Columbia Funds Series Trust

11/06/2025 | Press release | Distributed by Public on 11/06/2025 14:59

Semi-Annual Report by Investment Company (Form N-CSRS)

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM
N-CSR
CERTIFIED SHAREHOLDER REPORT OF REGISTERED MANAGEMENT INVESTMENT COMPANIES
Investment Company Act file number
811-09645
Columbia Funds Series Trust
(Exact name of registrant as specified in charter)
290 Congress Street
Boston, MA 02210
(Address of principal executive offices) (Zip code)

Michael G. Clarke
c/o Columbia Management Investment Advisers, LLC
290 Congress Street
Boston, MA 02210

Ryan C. Larrenaga, Esq.
c/o Columbia Management Investment Advisers, LLC
290 Congress Street
Boston, MA 02210

(Name and address of agent for service)
Registrant's telephone number, including area code:
(800) 345-6611
Date of fiscal year end:
Last Day of February
Date of reporting period:
August 31, 2025
Form N-CSR is to be used by management investment companies to file reports with the Commission not later than 10 days after the transmission to stockholders of any report that is required to be transmitted to stockholders under Rule 30e-1 under the Investment Company Act of 1940 (17 CFR 270.30e-1). The Commission may use the information provided on Form N-CSR in its regulatory, disclosure review, inspection, and policymaking roles.
A registrant is required to disclose the information specified by Form N-CSR, and the Commission will make this information public. A registrant is not required to respond to the collection of information contained in Form N-CSR unless the Form displays a currently valid Office of Management and Budget ("OMB") control number. Please direct comments concerning the accuracy of the information collection burden estimate and any suggestions for reducing the burden to Secretary, Securities and Exchange Commission, 100 F Street, NE, Washington, DC 20549. The OMB has reviewed this collection of information under the clearance requirements of 44 U.S.C. § 3507.
Item 1. Reports to Stockholders
Columbia Large Cap Growth Opportunity Fund
Class A / NFEAX
Semi-Annual Shareholder Report | August 31, 2025
This semi-annual shareholder report contains important information about Columbia Large Cap Growth Opportunity Fund (the Fund) for the period of March 1, 2025 to August 31, 2025. You can find additional information about the Fund at
columbiathreadneedleus.com/resources/literature
. You can also request more information by contacting us at
1-800-345-6611.
What were the Fund costs for the reporting period?
(Based on a hypothetical $10,000 investment)
Class Cost of a $10,000 investment Cost paid as a percentage of a $10,000 investment
Class A
$
55
1.05
%
(a)
(a)
Annualized.
Key Fund Statistics
Fund net assets
$
1,291,815,058
Total number of portfolio holdings
40
Portfolio turnover for the reporting period
33%
Graphical Representation of Fund Holdings
The tables below show the investment makeup of the Fund represented as a percentage of Fund net assets. Derivatives are excluded from the tables unless otherwise noted. The Fund's portfolio composition is subject
to
change.
Top Holdings
Microsoft Corp. 13.4
%
NVIDIA Corp. 13.1
%
Amazon.com, Inc. 7.4
%
Alphabet, Inc., Class A 6.0
%
Meta Platforms, Inc., Class A 5.8
%
Apple, Inc. 5.7
%
Broadcom, Inc. 5.2
%
Visa, Inc., Class A 3.0
%
Eli Lilly & Co. 2.7
%
Costco Wholesale Corp. 2.2
%
Equity Sector Allocation
Information Technology Sub-industry Allocation
Availability of Additional Information
For additional information about the Fund, including its prospectus, financial information, holdings, federal tax
information
and proxy voting information, visit the Fund's website included at the beginning of this report or scan the QR code below.
The Fund is distributed by Columbia Management Investment Distributors, Inc., member
FINRA
, and managed by Columbia Management Investment Advisers, LLC. Columbia Threadneedle Investments
®
(Columbia Threadneedle) is the global brand name of the Columbia and Threadneedle group of companies. All rights reserved.
© 2025 Columbia Management Investment Advisers, LLC.
Not FDIC or NCUA Insured • No Financial Institution Guarantee • May Lose Value
Columbia Large Cap Growth Opportunity Fund | Class A | SSR186_01_(10/25)
Columbia Large Cap Growth Opportunity Fund
Institutional Class / NFEPX
Semi-Annual Shareholder Report | August 31, 2025
This semi-annual shareholder report contains important information about Columbia Large Cap Growth Opportunity Fund (the Fund) for the period of March 1, 2025 to August 31, 2025. You can find additional information about the Fund at
columbiathreadneedleus.com/resources/literature
. You can also request more information by contacting us at
1-800-345-6611.
What were the Fund costs for the reporting period?
(Based on a hypothetical $10,000 investment)
Class Cost of a $10,000 investment Cost paid as a percentage of a $10,000 investment
Institutional Class
$
42
0.80
%
(a)
(a)
Annualized.
Key Fund Statistics
Fund net assets
$
1,291,815,058
Total number of portfolio holdings
40
Portfolio turnover for the reporting period
33%
Graphical Representation of Fund Holdings
The tables below show the investment makeup of the Fund represented as a percentage
of
Fund net assets. Derivatives are excluded from the tables unless otherwise noted. The Fund's portfolio composition is subject to change.
Top Holdings
Microsoft Corp. 13.4
%
NVIDIA Corp. 13.1
%
Amazon.com, Inc. 7.4
%
Alphabet, Inc., Class A 6.0
%
Meta Platforms, Inc., Class A 5.8
%
Apple, Inc. 5.7
%
Broadcom, Inc. 5.2
%
Visa, Inc., Class A 3.0
%
Eli Lilly & Co. 2.7
%
Costco Wholesale Corp. 2.2
%
Equity Sector Allocation
Information Technology Sub-industry Allocation
Availability of Additional Information
For additional information about the Fund, including its prospectus, financial information, holdings, federal
tax
information and proxy voting information, visit the Fund's website included at the beginning of this report or scan the QR code below.
The Fund is distributed by Columbia Management Investment Distributors,
Inc
., member FINRA, and managed by Columbia Management Investment Advisers, LLC. Columbia Threadneedle Investments
®
(Columbia Threadneedle) is the global brand name of the Columbia and Threadneedle group of companies. All rights reserved.
© 2025 Columbia Management Investment Advisers, LLC.
Not FDIC or NCUA Insured • No Financial Institution Guarantee • May Lose Value
Columbia Large Cap Growth Opportunity Fund | Institutional Class | SSR186_08_(10/25)
Columbia Large Cap Growth Opportunity Fund
Institutional 2 Class / CADRX
Semi-Annual Shareholder Report | August 31, 2025
This semi-annual shareholder report contains important information about Columbia Large Cap Growth Opportunity Fund (the Fund) for the period of March 1, 2025 to August 31, 2025. You can find additional information about the Fund at
columbiathreadneedleus.com/resources/literature
. You can also request more information by contacting us at
1-800-345-6611.
What were the Fund costs for the reporting period?
(Based on a hypothetical $10,000 investment)
Class Cost of a $10,000 investment Cost paid as a percentage of a $10,000 investment
Institutional 2 Class
$
39
0.74
%
(a)
(a)
Annualized.
Key Fund Statistics
Fund net assets
$
1,291,815,058
Total number of portfolio holdings
40
Portfolio turnover for the reporting period
33%
Graphical Representation of Fund Holdings
The tables below show the investment makeup of the Fund represented as a percentage
of
Fund net assets. Derivatives are excluded from the tables unless otherwise noted. The Fund's portfolio composition is subject to change.
Top Holdings
Microsoft Corp. 13.4
%
NVIDIA Corp. 13.1
%
Amazon.com, Inc. 7.4
%
Alphabet, Inc., Class A 6.0
%
Meta Platforms, Inc., Class A 5.8
%
Apple, Inc. 5.7
%
Broadcom, Inc. 5.2
%
Visa, Inc., Class A 3.0
%
Eli Lilly & Co. 2.7
%
Costco Wholesale Corp. 2.2
%
Equity Sector Allocation
Information Technology Sub-industry Allocation
Availability of Additional Information
For additional information about the Fund, including its prospectus, financial information, holdings, federal
tax
information and proxy voting information, visit the Fund's website included at the beginning of this report or scan the QR code below.
The Fund is distributed by Columbia Management Investment Distributors, Inc., member FINRA, and managed by Columbia Management Investment Advisers, LLC. Columbia Threadneedle Investments
®
(Columbia Threadneedle) is the global brand name of the Columbia and Threadneedle group of companies. All rights reserved.
© 2025 Columbia Management Investment Advisers, LLC.
Not FDIC or NCUA Insured • No Financial Institution Guarantee • May Lose Value
Columbia Large Cap Growth Opportunity Fund | Institutional 2 Class | SSR186_15_(10/25)
Columbia Large Cap Growth Opportunity Fund
Institutional 3 Class / CLRYX
Semi-Annual Shareholder Report | August 31, 2025
This semi-annual shareholder report contains important information about Columbia Large Cap Growth Opportunity Fund (the Fund) for the period of March 1, 2025 to August 31, 2025. You can find additional information about the Fund at
columbiathreadneedleus.com/resources/literature
. You can also request more information by contacting us at
1-800-345-6611.
What were the Fund costs for the reporting period?
(Based on a hypothetical $10,000 investment)
Class Cost of a $10,000 investment Cost paid as a percentage of a $10,000 investment
Institutional 3 Class
$
37
0.70
%
(a)
(a)
Annualized.
Key Fund Statistics
Fund net assets
$
1,291,815,058
Total number of portfolio holdings
40
Portfolio turnover for the reporting period
33%
Graphical Representation of Fund Holdings
The tables below show the investment makeup of the Fund represented as a percentage
of
Fund net assets. Derivatives are excluded from the tables unless otherwise noted. The Fund's portfolio composition is subject to change.
Top Holdings
Microsoft Corp. 13.4
%
NVIDIA Corp. 13.1
%
Amazon.com, Inc. 7.4
%
Alphabet, Inc., Class A 6.0
%
Meta Platforms, Inc., Class A 5.8
%
Apple, Inc. 5.7
%
Broadcom, Inc. 5.2
%
Visa, Inc., Class A 3.0
%
Eli Lilly & Co. 2.7
%
Costco Wholesale Corp. 2.2
%
Equity Sector Allocation
Information Technology Sub-industry Allocation
Availability of Additional Information
For additional information about the Fund, including its prospectus, financial information,
holdings
, federal tax information and proxy voting information, visit the Fund's website included at the beginning of this report or scan the QR code below.
The Fund is distributed by Columbia Management Investment Distributors, Inc., member FINRA, and managed by Columbia Management Investment Advisers, LLC. Columbia Threadneedle Investments
®
(Columbia Threadneedle) is the global brand name of the Columbia and Threadneedle group of companies. All rights reserved.
© 2025 Columbia Management Investment Advisers, LLC.
Not FDIC or NCUA Insured • No Financial Institution Guarantee • May Lose Value
Columbia Large Cap Growth Opportunity Fund | Institutional 3 Class | SSR186_17_(10/25)
Columbia Large Cap Growth Opportunity Fund
Class R / CLGPX
Semi-Annual Shareholder Report | August 31, 2025
This semi-annual shareholder report contains important information about Columbia Large Cap Growth Opportunity Fund (the Fund) for the period of March 1, 2025 to August 31, 2025. You can find additional information about the Fund at
columbiathreadneedleus.com/resources/literature
. You can also request more information by contacting us at
1-800-345-6611.
What were the Fund costs for the reporting period?
(Based on a hypothetical $10,000 investment)
Class Cost of a $10,000 investment Cost paid as a percentage of a $10,000 investment
Class R
$
68
1.30
%
(a)
(a)
Annualized.
Key Fund Statistics
Fund net assets
$
1,291,815,058
Total number of portfolio holdings
40
Portfolio turnover for the reporting period
33%
Graphical Representation of Fund Holdings
The tables below show the investment makeup of the Fund represented as a percentage of Fund
net
assets. Derivatives are excluded from the tables unless otherwise noted. The Fund's portfolio composition is subject to change.
Top Holdings
Microsoft Corp. 13.4
%
NVIDIA Corp. 13.1
%
Amazon.com, Inc. 7.4
%
Alphabet, Inc., Class A 6.0
%
Meta Platforms, Inc., Class A 5.8
%
Apple, Inc. 5.7
%
Broadcom, Inc. 5.2
%
Visa, Inc., Class A 3.0
%
Eli Lilly & Co. 2.7
%
Costco Wholesale Corp. 2.2
%
Equity Sector Allocation
Information Technology Sub-industry Allocation
Availability of Additional Information
For additional information about the Fund, including its prospectus, financial information, holdings, federal
tax
information and proxy voting information, visit the Fund's website included at the beginning of this report or scan the QR code below.
The Fund is distributed by Columbia Management Investment Distributors, Inc., member FINRA, and managed by Columbia Management Investment Advisers, LLC. Columbia Threadneedle Investments
®
(Columbia Threadneedle) is the global brand name of the Columbia and Threadneedle group of companies. All rights reserved.
© 2025 Columbia Management Investment Advisers, LLC.
Not FDIC or NCUA Insured • No Financial Institution Guarantee • May Lose Value
Columbia Large Cap Growth Opportunity Fund | Class R | SSR186_12_(10/25)
Columbia Large Cap Growth Opportunity Fund
Class S / NFEDX
Semi-Annual Shareholder Report | August 31, 2025
This semi-annual shareholder report contains important information about Columbia Large Cap Growth Opportunity Fund (the Fund) for the period of March 1, 2025 to August 31, 2025. You can find additional information about the Fund at
columbiathreadneedleus.com/resources/literature
. You can also request more information by contacting us at
1-800-345-6611.
What were the Fund costs for the reporting period?
(Based on a hypothetical $10,000 investment)
Class Cost of a $10,000 investment Cost paid as a percentage of a $10,000 investment
Class S
$
42
0.80
%
(a)
(a)
Annualized.
Key Fund Statistics
Fund net assets
$
1,291,815,058
Total number of portfolio holdings
40
Portfolio turnover for the reporting period
33%
Graphical Representation of Fund Holdings
The tables below show the investment makeup of the Fund represented as a percentage of Fund net assets. Derivatives are excluded from the tables unless otherwise noted. The Fund's portfolio composition is subject
to
change.
Top Holdings
Microsoft Corp. 13.4
%
NVIDIA Corp. 13.1
%
Amazon.com, Inc. 7.4
%
Alphabet, Inc., Class A 6.0
%
Meta Platforms, Inc., Class A 5.8
%
Apple, Inc. 5.7
%
Broadcom, Inc. 5.2
%
Visa, Inc., Class A 3.0
%
Eli Lilly & Co. 2.7
%
Costco Wholesale Corp. 2.2
%
Equity Sector Allocation
Information Technology Sub-industry Allocation
Availability of Additional Information
For additional information about the Fund, including its prospectus, financial information,
holdings
, federal tax information and proxy voting information, visit the Fund's website included at the beginning of this report or scan the QR code below.
The Fund is distributed by Columbia Management Investment Distributors, Inc., member FINRA, and managed by Columbia Management Investment Advisers, LLC. Columbia Threadneedle Investments
®
(Columbia Threadneedle) is the global brand name of the Columbia and Threadneedle group of companies. All rights reserved.
© 2025 Columbia Management Investment Advisers, LLC.
Not FDIC or NCUA Insured • No Financial Institution Guarantee • May Lose Value
Columbia Large Cap Growth Opportunity Fund | Class S | SSR186_16_(10/25)

Item 2. Code of Ethics.

Not applicable.


Item 3. Audit Committee Financial Expert.

Not applicable.


Item 4. Principal Accountant Fees and Services.

Not applicable.


Item 5. Audit Committee of Listed Registrants.

Not applicable.


Item 6. Investments.

(a) The registrant's "Schedule I - Investments in securities of unaffiliated issuers" (as set forth in 17 CFR 210.12-12) is included in Item 7 of this Form N-CSR.

(b) Not applicable.


Item 7. Financial Statements and Financial Highlights for Open-End Management Investment Companies.


Columbia Large Cap Growth Opportunity Fund
Semi-Annual Financial Statements and Additional Information
August 31, 2025 (Unaudited)
Not FDIC or NCUA Insured
No Financial Institution Guarantee
May Lose Value
Table of Contents
Portfolio of Investments
3
Statement of Assets and Liabilities
6
Statement of Operations
7
Statement of Changes in Net Assets
8
Financial Highlights
10
Notes to Financial Statements
14
Approval of Management Agreement
22
Columbia Large Cap Growth Opportunity Fund | 2025
Portfolio of Investments August 31, 2025 (Unaudited)
(Percentages represent value of investments compared to net assets)
Investments in securities
Common Stocks 99.8%
Issuer
Shares
Value ($)
Communication Services 12.9%
Entertainment 1.1%
TKO Group Holdings, Inc.
77,462
14,683,697
Interactive Media & Services 11.8%
Alphabet, Inc., Class A
360,845
76,827,509
Meta Platforms, Inc., Class A
102,026
75,366,606
Total
152,194,115
Total Communication Services
166,877,812
Consumer Discretionary 14.0%
Automobiles 1.7%
Tesla, Inc.(a)
65,595
21,900,203
Broadline Retail 7.4%
Amazon.com, Inc.(a)
419,698
96,110,842
Hotels, Restaurants & Leisure 2.4%
Expedia Group, Inc.
72,639
15,602,857
Hilton Worldwide Holdings, Inc.
54,555
15,060,453
Total
30,663,310
Specialty Retail 1.5%
TJX Companies, Inc. (The)
138,589
18,932,643
Textiles, Apparel & Luxury Goods 1.0%
NIKE, Inc., Class B
166,810
12,906,090
Total Consumer Discretionary
180,513,088
Consumer Staples 3.2%
Consumer Staples Distribution & Retail 2.2%
Costco Wholesale Corp.
30,437
28,711,831
Household Products 1.0%
Procter & Gamble Co. (The)
78,557
12,336,591
Total Consumer Staples
41,048,422
Financials 5.6%
Banks 1.3%
Bank of America Corp.
327,002
16,592,081
Capital Markets 1.3%
Goldman Sachs Group, Inc. (The)
23,174
17,270,424
Common Stocks (continued)
Issuer
Shares
Value ($)
Financial Services 3.0%
Visa, Inc., Class A
110,255
38,785,504
Total Financials
72,648,009
Health Care 7.7%
Biotechnology 2.0%
Insmed, Inc.(a)
69,794
9,498,963
Merus NV(a)
107,827
7,099,330
Vertex Pharmaceuticals, Inc.(a)
23,665
9,253,488
Total
25,851,781
Health Care Equipment & Supplies 1.3%
Intuitive Surgical, Inc.(a)
36,938
17,482,571
Health Care Providers & Services 1.1%
Cencora, Inc.
50,453
14,712,599
Life Sciences Tools & Services 0.6%
Adaptive Biotechnologies Corp.(a)
561,058
7,394,745
Pharmaceuticals 2.7%
Eli Lilly & Co.
46,809
34,291,337
Total Health Care
99,733,033
Industrials 5.5%
Commercial Services & Supplies 1.3%
Cintas Corp.
78,893
16,569,897
Electrical Equipment 2.3%
AMETEK, Inc.
74,471
13,762,241
Eaton Corp. PLC
46,070
16,084,880
Total
29,847,121
Ground Transportation 1.9%
Uber Technologies, Inc.(a)
265,884
24,926,625
Total Industrials
71,343,643
Information Technology 50.2%
Electronic Equipment, Instruments & Components 1.6%
TE Connectivity PLC
101,626
20,985,769
The accompanying Notes to Financial Statements are an integral part of this statement.
Columbia Large Cap Growth Opportunity Fund | 2025
3
Portfolio of Investments (continued) August 31, 2025 (Unaudited)
Common Stocks (continued)
Issuer
Shares
Value ($)
Semiconductors & Semiconductor Equipment 19.3%
Broadcom, Inc.
225,459
67,049,252
NVIDIA Corp.
974,048
169,659,680
ON Semiconductor Corp.(a)
253,808
12,586,339
Total
249,295,271
Software 23.6%
Atlassian Corp., Class A(a)
79,386
14,113,243
Crowdstrike Holdings, Inc., Class A(a)
44,663
18,923,713
Datadog, Inc., Class A(a)
114,104
15,595,735
Gitlab, Inc., Class A(a)
164,093
7,879,746
Microsoft Corp.
341,435
173,001,700
Palo Alto Networks, Inc.(a)
123,983
23,621,241
ServiceNow, Inc.(a)
28,623
26,260,457
Synopsys, Inc.(a)
40,611
24,509,551
Total
303,905,386
Technology Hardware, Storage & Peripherals 5.7%
Apple, Inc.
315,967
73,348,580
Total Information Technology
647,535,006
Common Stocks (continued)
Issuer
Shares
Value ($)
Real Estate 0.7%
Specialized REITs 0.7%
Equinix, Inc.
11,823
9,295,124
Total Real Estate
9,295,124
Total Common Stocks
(Cost $776,644,491)
1,288,994,137
Money Market Funds 0.2%
Shares
Value ($)
Columbia Short-Term Cash Fund, 4.463%(b),(c)
3,306,532
3,305,540
Total Money Market Funds
(Cost $3,305,516)
3,305,540
Total Investments in Securities
(Cost: $779,950,007)
1,292,299,677
Other Assets & Liabilities, Net
(484,619
)
Net Assets
1,291,815,058
Notes to Portfolio of Investments
(a)
Non-income producing investment.
(b)
The rate shown is the seven-day current annualized yield at August 31, 2025.
(c)
Under Section 2(a)(3) of the Investment Company Act of 1940, an affiliated company is one in which the Fund owns 5% or more of the company's outstanding voting securities, or a company which is under common ownership or control with the Fund. The value of the holdings and transactions in these affiliated companies during the period ended August 31, 2025 are as follows:
Affiliated issuers
Beginning
of period($)
Purchases($)
Sales($)
Net change in
unrealized
appreciation
(depreciation)($)
End of
period($)
Realized gain
(loss)($)
Dividends($)
End of
period shares
Columbia Short-Term Cash Fund, 4.463%
5,643,751
95,809,110
(98,146,678
)
(643
)
3,305,540
(127
)
145,607
3,306,532
Fair value measurements
The Fund categorizes its fair value measurements according to a three-level hierarchy that maximizes the use of observable inputs and minimizes the use of unobservable inputs by prioritizing that the most observable input be used when available. Observable inputs are those that market participants would use in pricing an investment based on market data obtained from sources independent of the reporting entity. Unobservable inputs are those that reflect the Fund's assumptions about the information market participants would use in pricing an investment. An investment's level within the fair value hierarchy is based on the lowest level of any input that is deemed significant to the asset's or liability's fair value measurement. The input levels are not necessarily an indication of the risk or liquidity associated with investments at that level. For example, certain U.S. government securities are generally high quality and liquid, however, they are reflected as Level 2 because the inputs used to determine fair value may not always be quoted prices in an active market.
Fair value inputs are summarized in the three broad levels listed below:

Level 1 - Valuations based on quoted prices for investments in active markets that the Fund has the ability to access at the measurement date. Valuation adjustments are not applied to Level 1 investments.

Level 2 - Valuations based on other significant observable inputs (including quoted prices for similar securities, interest rates, prepayment speeds, credit risks, etc.).

Level 3 - Valuations based on significant unobservable inputs (including the Fund's own assumptions and judgment in determining the fair value of investments).
The accompanying Notes to Financial Statements are an integral part of this statement.
4
Columbia Large Cap Growth Opportunity Fund | 2025
Portfolio of Investments (continued) August 31, 2025 (Unaudited)
Fair value measurements (continued)
Inputs that are used in determining fair value of an investment may include price information, credit data, volatility statistics, and other factors. These inputs can be either observable or unobservable. The availability of observable inputs can vary between investments, and is affected by various factors such as the type of investment, and the volume and level of activity for that investment or similar investments in the marketplace. The inputs will be considered by the Investment Manager, along with any other relevant factors in the calculation of an investment's fair value. The Fund uses prices and inputs that are current as of the measurement date, which may include periods of market dislocations. During these periods, the availability of prices and inputs may be reduced for many investments. This condition could cause an investment to be reclassified between the various levels within the hierarchy.
Investments falling into the Level 3 category, if any, are primarily supported by quoted prices from brokers and dealers participating in the market for those investments. However, these may be classified as Level 3 investments due to lack of market transparency and corroboration to support these quoted prices. Additionally, valuation models may be used as the pricing source for any remaining investments classified as Level 3. These models may rely on one or more significant unobservable inputs and/or significant assumptions by the Investment Manager. Inputs used in valuations may include, but are not limited to, financial statement analysis, capital account balances, discount rates and estimated cash flows, and comparable company data.
The Fund's Board of Trustees (the Board) has designated the Investment Manager, through its Valuation Committee (the Committee), as valuation designee, responsible for determining the fair value of the assets of the Fund for which market quotations are not readily available using valuation procedures approved by the Board. The Committee consists of voting and non-voting members from various groups within the Investment Manager's organization, including operations and accounting, trading and investments, compliance, risk management and legal.
The Committee meets at least monthly to review and approve valuation matters, which may include a description of specific valuation determinations, data regarding pricing information received from approved pricing vendors and brokers and the results of Board-approved valuation policies and procedures (the Policies). The Policies address, among other things, instances when market quotations are or are not readily available, including recommendations of third party pricing vendors and a determination of appropriate pricing methodologies; events that require specific valuation determinations and assessment of fair value techniques; securities with a potential for stale pricing, including those that are illiquid, restricted, or in default; and the effectiveness of third party pricing vendors, including periodic reviews of vendors. The Committee meets more frequently, as needed, to discuss additional valuation matters, which may include the need to review back-testing results, review time-sensitive information or approve related valuation actions. Representatives of Columbia Management Investment Advisers, LLC report to the Board at each of its regularly scheduled meetings to discuss valuation matters and actions during the period, similar to those described earlier.
The following table is a summary of the inputs used to value the Fund's investments at August 31, 2025:
Level 1 ($)
Level 2 ($)
Level 3 ($)
Total ($)
Investments in Securities
Common Stocks
Communication Services
166,877,812
-
-
166,877,812
Consumer Discretionary
180,513,088
-
-
180,513,088
Consumer Staples
41,048,422
-
-
41,048,422
Financials
72,648,009
-
-
72,648,009
Health Care
99,733,033
-
-
99,733,033
Industrials
71,343,643
-
-
71,343,643
Information Technology
647,535,006
-
-
647,535,006
Real Estate
9,295,124
-
-
9,295,124
Total Common Stocks
1,288,994,137
-
-
1,288,994,137
Money Market Funds
3,305,540
-
-
3,305,540
Total Investments in Securities
1,292,299,677
-
-
1,292,299,677
See the Portfolio of Investments for all investment classifications not indicated in the table.
The accompanying Notes to Financial Statements are an integral part of this statement.
Columbia Large Cap Growth Opportunity Fund | 2025
5
Statement of Assets and Liabilities August 31, 2025 (Unaudited)
Assets
Investments in securities, at value
Unaffiliated issuers (cost $776,644,491)
$1,288,994,137
Affiliated issuers (cost $3,305,516)
3,305,540
Receivable for:
Capital shares sold
10,265
Dividends
835,434
Foreign tax reclaims
18,039
Expense reimbursement due from Investment Manager
2,142
Prepaid expenses
9,890
Other assets
1,881
Total assets
1,293,177,328
Liabilities
Payable for:
Capital shares redeemed
647,860
Management services fees
26,073
Distribution and/or service fees
6,648
Transfer agent fees
128,075
Compensation of chief compliance officer
117
Compensation of board members
3,114
Other expenses
36,639
Deferred compensation of board members
513,744
Total liabilities
1,362,270
Net assets applicable to outstanding capital stock
$1,291,815,058
Represented by
Paid in capital
762,683,521
Total distributable earnings (loss)
529,131,537
Total - representing net assets applicable to outstanding capital stock
$1,291,815,058
Class A
Net assets
$926,707,762
Shares outstanding
52,030,069
Net asset value per share
$17.81
Maximum sales charge
5.75%
Maximum offering price per share (calculated by dividing the net asset value per share by 1.0 minus the maximum sales charge for Class A shares)
$18.90
Institutional Class
Net assets
$279,215,224
Shares outstanding
12,773,599
Net asset value per share
$21.86
Institutional 2 Class
Net assets
$28,313,803
Shares outstanding
1,181,054
Net asset value per share
$23.97
Institutional 3 Class
Net assets
$1,575,586
Shares outstanding
70,811
Net asset value per share
$22.25
Class R
Net assets
$15,705,456
Shares outstanding
882,797
Net asset value per share
$17.79
Class S
Net assets
$40,297,227
Shares outstanding
1,843,390
Net asset value per share
$21.86
The accompanying Notes to Financial Statements are an integral part of this statement.
6
Columbia Large Cap Growth Opportunity Fund | 2025
Statement of Operations Six Months Ended August 31, 2025 (Unaudited)
Net investment income
Income:
Dividends - unaffiliated issuers
$3,140,294
Dividends - affiliated issuers
145,607
Total income
3,285,901
Expenses:
Management services fees
4,402,814
Distribution and/or service fees
Class A
1,076,988
Class R
36,939
Transfer agent fees
Class A
475,225
Institutional Class
144,105
Institutional 2 Class
6,897
Institutional 3 Class
62
Class R
8,153
Class S
21,089
Custodian fees
4,441
Printing and postage fees
28,585
Registration fees
50,044
Accounting services fees
16,480
Legal fees
15,001
Compensation of chief compliance officer
98
Compensation of board members
12,047
Deferred compensation of board members
16,762
Other
23,433
Total expenses
6,339,163
Fees waived or expenses reimbursed by Investment Manager and its affiliates
(423,002
)
Total net expenses
5,916,161
Net investment loss
(2,630,260
)
Realized and unrealized gain (loss) - net
Net realized gain (loss) on:
Investments - unaffiliated issuers
22,262,041
Investments - affiliated issuers
(127
)
Net realized gain
22,261,914
Net change in unrealized appreciation (depreciation) on:
Investments - unaffiliated issuers
102,629,090
Investments - affiliated issuers
(643
)
Net change in unrealized appreciation (depreciation)
102,628,447
Net realized and unrealized gain
124,890,361
Net increase in net assets resulting from operations
$122,260,101
The accompanying Notes to Financial Statements are an integral part of this statement.
Columbia Large Cap Growth Opportunity Fund | 2025
7
Statement of Changes in Net Assets
Six Months Ended
August 31, 2025
(Unaudited)
Year Ended
February 28, 2025
Operations
Net investment loss
$(2,630,260
)
$(6,183,306
)
Net realized gain
22,261,914
56,929,913
Net change in unrealized appreciation (depreciation)
102,628,447
123,555,974
Net increase in net assets resulting from operations
122,260,101
174,302,581
Distributions to shareholders
Net investment income and net realized gains
Class A
(31,485,670
)
(34,551,170
)
Advisor Class
-
(427,215
)
Institutional Class
(7,828,994
)
(9,286,614
)
Institutional 2 Class
(698,300
)
(730,999
)
Institutional 3 Class
(43,820
)
(32,283
)
Class R
(528,933
)
(653,049
)
Class S
(1,148,922
)
(413,317
)
Total distributions to shareholders
(41,734,639
)
(46,094,647
)
Decrease in net assets from capital stock activity
(52,108,694
)
(141,076,187
)
Total increase (decrease) in net assets
28,416,768
(12,868,253
)
Net assets at beginning of period
1,263,398,290
1,276,266,543
Net assets at end of period
$1,291,815,058
$1,263,398,290
The accompanying Notes to Financial Statements are an integral part of this statement.
8
Columbia Large Cap Growth Opportunity Fund | 2025
Statement of Changes in Net Assets (continued)
Six Months Ended
Year Ended
August 31, 2025 (Unaudited)
February 28, 2025
Shares
Dollars ($)
Shares
Dollars ($)
Capital stock activity
Class A
Shares sold
727,090
11,759,166
1,153,342
18,646,203
Distributions reinvested
1,343,623
21,927,937
1,447,767
23,886,134
Shares redeemed
(4,145,527
)
(67,037,999
)
(8,386,361
)
(135,409,741
)
Net decrease
(2,074,814
)
(33,350,896
)
(5,785,252
)
(92,877,404
)
Advisor Class
Shares sold
-
-
152,701
3,044,733
Distributions reinvested
-
-
20,499
423,723
Shares redeemed
-
-
(1,170,342
)
(25,320,397
)
Net decrease
-
-
(997,142
)
(21,851,941
)
Institutional Class
Shares sold
406,080
7,939,791
1,701,580
34,331,780
Distributions reinvested
314,976
6,305,816
381,350
7,619,911
Shares redeemed
(1,487,843
)
(29,327,894
)
(5,329,081
)
(104,699,097
)
Net decrease
(766,787
)
(15,082,287
)
(3,246,151
)
(62,747,406
)
Institutional 2 Class
Shares sold
78,623
1,774,025
213,197
4,448,203
Distributions reinvested
31,799
698,300
33,413
730,999
Shares redeemed
(90,944
)
(1,996,750
)
(278,529
)
(5,878,138
)
Net increase (decrease)
19,478
475,575
(31,919
)
(698,936
)
Institutional 3 Class
Shares sold
13,678
267,848
32,361
647,731
Distributions reinvested
2,111
43,022
1,526
31,001
Shares redeemed
(6,147
)
(126,731
)
(31,607
)
(612,127
)
Net increase
9,642
184,139
2,280
66,605
Class R
Shares sold
55,899
941,261
159,865
2,578,014
Distributions reinvested
32,430
528,933
39,539
653,049
Shares redeemed
(154,046
)
(2,498,828
)
(361,682
)
(5,914,106
)
Net decrease
(65,717
)
(1,028,634
)
(162,278
)
(2,683,043
)
Class S
Shares sold
1,428
28,573
2,127,458
42,132,963
Distributions reinvested
57,389
1,148,922
19,188
413,317
Shares redeemed
(225,542
)
(4,484,086
)
(136,531
)
(2,830,342
)
Net increase (decrease)
(166,725
)
(3,306,591
)
2,010,115
39,715,938
Total net decrease
(3,044,923
)
(52,108,694
)
(8,210,347
)
(141,076,187
)
The accompanying Notes to Financial Statements are an integral part of this statement.
Columbia Large Cap Growth Opportunity Fund | 2025
9
Financial Highlights
The following table is intended to help you understand the Fund's financial performance. Certain information reflects financial results for a single share of a class held for the periods shown. Per share net investment income (loss) amounts are calculated based on average shares outstanding during the period. Total return assumes reinvestment of all dividends and distributions, if any. Total return does not reflect payment of sales charges, if any. Total return and portfolio turnover are not annualized for periods of less than one year. The ratios of expenses and net investment income are annualized for periods of less than one year. The portfolio turnover rate is calculated without regard to purchase and sales transactions of short-term instruments and certain derivatives, if any. If such transactions were included, the Fund's portfolio turnover rate may be higher. A zero balance may reflect an amount rounding to less than $0.01 or 0.01%.
Net asset value,
beginning of
period
Net
investment
income
(loss)
Net
realized
and
unrealized
gain (loss)
Total from
investment
operations
Distributions
from net
realized
gains
Total
distributions to
shareholders
Class A
Six Months Ended 8/31/2025 (Unaudited)
$16.71
(0.04
)
1.75
1.71
(0.61
)
(0.61
)
Year Ended 2/28/2025
$15.16
(0.09
)
2.25
2.16
(0.61
)
(0.61
)
Year Ended 2/29/2024
$11.39
(0.01
)
3.78
3.77
-
-
Year Ended 2/28/2023
$16.74
(0.02
)
(2.75
)
(2.77
)
(2.58
)
(2.58
)
Year Ended 2/28/2022
$23.37
(0.09
)
1.57
1.48
(8.11
)
(8.11
)
Year Ended 2/28/2021
$17.67
(0.03
)
8.53
8.50
(2.80
)
(2.80
)
Institutional Class
Six Months Ended 8/31/2025 (Unaudited)
$20.35
(0.03
)
2.15
2.12
(0.61
)
(0.61
)
Year Ended 2/28/2025
$18.30
(0.06
)
2.72
2.66
(0.61
)
(0.61
)
Year Ended 2/29/2024
$13.71
0.03
4.56
4.59
-
-
Year Ended 2/28/2023
$19.45
0.02
(3.18
)
(3.16
)
(2.58
)
(2.58
)
Year Ended 2/28/2022
$26.05
(0.03
)
1.65
1.62
(8.22
)
(8.22
)
Year Ended 2/28/2021
$19.39
0.02
9.44
9.46
(2.80
)
(2.80
)
Institutional 2 Class
Six Months Ended 8/31/2025 (Unaudited)
$22.25
(0.02
)
2.35
2.33
(0.61
)
(0.61
)
Year Ended 2/28/2025
$19.94
(0.05
)
2.97
2.92
(0.61
)
(0.61
)
Year Ended 2/29/2024
$14.94
0.04
4.96
5.00
-
-
Year Ended 2/28/2023
$20.90
0.03
(3.41
)
(3.38
)
(2.58
)
(2.58
)
Year Ended 2/28/2022
$27.46
(0.02
)
1.70
1.68
(8.24
)
(8.24
)
Year Ended 2/28/2021
$20.31
0.04
9.91
9.95
(2.80
)
(2.80
)
Institutional 3 Class
Six Months Ended 8/31/2025 (Unaudited)
$20.69
(0.02
)
2.19
2.17
(0.61
)
(0.61
)
Year Ended 2/28/2025
$18.58
(0.04
)
2.76
2.72
(0.61
)
(0.61
)
Year Ended 2/29/2024
$13.90
0.04
4.64
4.68
-
-
Year Ended 2/28/2023
$19.67
0.04
(3.23
)
(3.19
)
(2.58
)
(2.58
)
Year Ended 2/28/2022
$26.27
(0.01
)
1.67
1.66
(8.26
)
(8.26
)
Year Ended 2/28/2021
$19.52
0.05
9.50
9.55
(2.80
)
(2.80
)
Class R
Six Months Ended 8/31/2025 (Unaudited)
$16.71
(0.06
)
1.75
1.69
(0.61
)
(0.61
)
Year Ended 2/28/2025
$15.20
(0.13
)
2.25
2.12
(0.61
)
(0.61
)
Year Ended 2/29/2024
$11.45
(0.04
)
3.79
3.75
-
-
Year Ended 2/28/2023
$16.85
(0.05
)
(2.77
)
(2.82
)
(2.58
)
(2.58
)
Year Ended 2/28/2022
$23.44
(0.15
)
1.57
1.42
(8.01
)
(8.01
)
Year Ended 2/28/2021
$17.75
(0.08
)
8.57
8.49
(2.80
)
(2.80
)
The accompanying Notes to Financial Statements are an integral part of this statement.
10
Columbia Large Cap Growth Opportunity Fund | 2025
Financial Highlights (continued)
Net
asset
value,
end of
period
Total
return
Total gross
expense
ratio to
average
net assets(a)
Total net
expense
ratio to
average
net assets(a),(b)
Net investment
income (loss)
ratio to
average
net assets
Portfolio
turnover
Net
assets,
end of
period
(000's)
Class A
Six Months Ended 8/31/2025 (Unaudited)
$17.81
10.55%
1.12%
1.05%
(0.50%
)
33%
$926,708
Year Ended 2/28/2025
$16.71
14.32%
1.11%
1.05%
(c)
(0.54%
)
35%
$904,058
Year Ended 2/29/2024
$15.16
33.10%
1.13%
(d)
1.05%
(c),(d)
(0.09%
)
100%
$907,931
Year Ended 2/28/2023
$11.39
(15.76%
)
1.12%
(d)
1.05%
(c),(d)
(0.13%
)
74%
$766,362
Year Ended 2/28/2022
$16.74
2.77%
1.08%
(d)
1.04%
(c),(d)
(0.38%
)
93%
$1,094,509
Year Ended 2/28/2021
$23.37
50.88%
1.11%
(d)
1.04%
(c),(d)
(0.15%
)
44%
$1,197,121
Institutional Class
Six Months Ended 8/31/2025 (Unaudited)
$21.86
10.68%
0.87%
0.80%
(0.25%
)
33%
$279,215
Year Ended 2/28/2025
$20.35
14.60%
0.86%
0.80%
(c)
(0.30%
)
35%
$275,482
Year Ended 2/29/2024
$18.30
33.48%
0.88%
(d)
0.80%
(c),(d)
0.16%
100%
$307,125
Year Ended 2/28/2023
$13.71
(15.55%
)
0.86%
(d)
0.80%
(c),(d)
0.12%
74%
$282,203
Year Ended 2/28/2022
$19.45
2.99%
0.83%
(d)
0.79%
(c),(d)
(0.14%
)
93%
$468,670
Year Ended 2/28/2021
$26.05
51.34%
0.86%
(d)
0.79%
(c),(d)
0.10%
44%
$536,602
Institutional 2 Class
Six Months Ended 8/31/2025 (Unaudited)
$23.97
10.71%
0.81%
0.74%
(0.19%
)
33%
$28,314
Year Ended 2/28/2025
$22.25
14.70%
0.81%
0.74%
(0.24%
)
35%
$25,843
Year Ended 2/29/2024
$19.94
33.47%
0.82%
(d)
0.74%
(d)
0.22%
100%
$23,803
Year Ended 2/28/2023
$14.94
(15.51%
)
0.81%
(d)
0.74%
(d)
0.18%
74%
$20,199
Year Ended 2/28/2022
$20.90
3.09%
0.77%
(d)
0.74%
(d)
(0.08%
)
93%
$31,012
Year Ended 2/28/2021
$27.46
51.43%
0.79%
(d)
0.73%
(d)
0.15%
44%
$34,108
Institutional 3 Class
Six Months Ended 8/31/2025 (Unaudited)
$22.25
10.75%
0.77%
0.70%
(0.15%
)
33%
$1,576
Year Ended 2/28/2025
$20.69
14.70%
0.77%
0.70%
(0.19%
)
35%
$1,266
Year Ended 2/29/2024
$18.58
33.67%
0.78%
(d)
0.70%
(d)
0.26%
100%
$1,094
Year Ended 2/28/2023
$13.90
(15.52%
)
0.77%
(d)
0.70%
(d)
0.24%
74%
$993
Year Ended 2/28/2022
$19.67
3.14%
0.73%
(d)
0.69%
(d)
(0.03%
)
93%
$1,406
Year Ended 2/28/2021
$26.27
51.47%
0.75%
(d)
0.69%
(d)
0.20%
44%
$1,618
Class R
Six Months Ended 8/31/2025 (Unaudited)
$17.79
10.43%
1.37%
1.30%
(0.76%
)
33%
$15,705
Year Ended 2/28/2025
$16.71
14.01%
1.36%
1.30%
(c)
(0.79%
)
35%
$15,851
Year Ended 2/29/2024
$15.20
32.75%
1.38%
(d)
1.30%
(c),(d)
(0.34%
)
100%
$16,883
Year Ended 2/28/2023
$11.45
(15.98%
)
1.37%
(d)
1.30%
(c),(d)
(0.38%
)
74%
$14,256
Year Ended 2/28/2022
$16.85
2.50%
1.33%
(d)
1.29%
(c),(d)
(0.64%
)
93%
$20,484
Year Ended 2/28/2021
$23.44
50.57%
1.36%
(d)
1.29%
(c),(d)
(0.40%
)
44%
$24,892
The accompanying Notes to Financial Statements are an integral part of this statement.
Columbia Large Cap Growth Opportunity Fund | 2025
11
Financial Highlights (continued)
Net asset value,
beginning of
period
Net
investment
income
(loss)
Net
realized
and
unrealized
gain (loss)
Total from
investment
operations
Distributions
from net
realized
gains
Total
distributions to
shareholders
Class S
Six Months Ended 8/31/2025 (Unaudited)
$20.35
(0.03
)
2.15
2.12
(0.61
)
(0.61
)
Year Ended 2/28/2025(e)
$19.56
(0.02
)
1.01
0.99
(0.20
)
(0.20
)
Notes to Financial Highlights
(a)
In addition to the fees and expenses that the Fund bears directly, the Fund indirectly bears a pro rata share of the fees and expenses of any other funds in which it invests. Such indirect expenses are not included in the Fund's reported expense ratios.
(b)
Total net expenses include the impact of certain fee waivers/expense reimbursements made by the Investment Manager and certain of its affiliates, if applicable.
(c)
The benefits derived from expense reductions had an impact of less than 0.01%.
(d)
Ratios include interfund lending expense which is less than 0.01%.
(e)
Class S shares commenced operations on October 2, 2024. Per share data and total return reflect activity from that date.
The accompanying Notes to Financial Statements are an integral part of this statement.
12
Columbia Large Cap Growth Opportunity Fund | 2025
Financial Highlights (continued)
Net
asset
value,
end of
period
Total
return
Total gross
expense
ratio to
average
net assets(a)
Total net
expense
ratio to
average
net assets(a),(b)
Net investment
income (loss)
ratio to
average
net assets
Portfolio
turnover
Net
assets,
end of
period
(000's)
Class S
Six Months Ended 8/31/2025 (Unaudited)
$21.86
10.68%
0.87%
0.80%
(0.25%
)
33%
$40,297
Year Ended 2/28/2025
(e)
$20.35
5.01%
0.88%
0.80%
(0.29%
)
35%
$40,899
The accompanying Notes to Financial Statements are an integral part of this statement.
Columbia Large Cap Growth Opportunity Fund | 2025
13
Notes to Financial Statements August 31, 2025 (Unaudited)
Note 1. Organization
Columbia Large Cap Growth Opportunity Fund (the Fund), a series of Columbia Funds Series Trust (the Trust), is a diversified fund. The Trust is registered under the Investment Company Act of 1940, as amended (the 1940 Act), as an open-end management investment company organized as a Delaware statutory trust.
Fund shares
The Trust may issue an unlimited number of shares (without par value). The Fund offers each of the share classes listed in the Statement of Assets and Liabilities. Although all share classes generally have identical voting, dividend and liquidation rights, each share class votes separately when required by the Trust's organizational documents or by law. Each share class has its own expense and sales charge structure. Different share classes may have different minimum initial investment amounts and pay different net investment income distribution amounts to the extent the expenses of distributing such share classes vary. Distributions to shareholders in a liquidation will be proportional to the net asset value of each share class.
As described in the Fund's prospectus, Class A shares are offered to the general public for investment. Institutional Class, Institutional 2 Class, Institutional 3 Class, Class R and Class S shares are available for purchase through authorized investment professionals to omnibus retirement plans or to institutional investors and to certain other investors as also described in the Fund's prospectus.
Note 2. Summary of significant accounting policies
Basis of preparation
The Fund is an investment company that applies the accounting and reporting guidance in the Financial Accounting Standards Board (FASB) Accounting Standards Codification Topic 946, Financial Services - Investment Companies(ASC 946). The financial statements are prepared in accordance with U.S. generally accepted accounting principles (GAAP), which requires management to make certain estimates and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of income and expenses during the reporting period. Actual results could differ from those estimates.
The following is a summary of significant accounting policies followed by the Fund in the preparation of its financial statements.
Segment reporting
The intent of FASB Accounting Standards Update 2023-07, Segment Reporting (Topic 280) - Improvements to Reportable Segment Disclosures is to enable investors to better understand an entity's overall performance and to assess its potential future cash flows through improved segment disclosures. The chief operating decision maker (CODM) for the Fund is Columbia Management Investment Advisers, LLC through its Investment Oversight Committee and Global Executive Group, which are responsible for assessing performance and making decisions about resource allocation. The CODM has determined that the Fund has a single operating segment because the CODM monitors the operating results of the Fund as a whole and the Fund's long-term strategic asset allocation is pre-determined in accordance with the terms of its prospectus, based on a defined investment strategy which is executed by the Fund's portfolio managers as a team. The financial information provided to and reviewed by the CODM is consistent with that presented within the Fund's financial statements.
Security valuation
Equity securities listed on an exchange are valued at the closing price or last trade price on their primary exchange at the close of business of the New York Stock Exchange. Securities with a closing price not readily available or not listed on any exchange are valued at the mean between the closing bid and ask prices. Listed preferred stocks convertible into common stocks are valued using an evaluated price from a pricing service.
14
Columbia Large Cap Growth Opportunity Fund | 2025
Notes to Financial Statements (continued) August 31, 2025 (Unaudited)
Foreign equity securities are valued based on the closing price or last trade price on their primary exchange at the close of business of the New York Stock Exchange. If any foreign equity security closing prices are not readily available, the securities are valued at the mean of the latest quoted bid and ask prices on such exchanges or markets. Foreign currency exchange rates are determined at the scheduled closing time of the New York Stock Exchange. Many securities markets and exchanges outside the U.S. close prior to the close of the New York Stock Exchange; therefore, the closing prices for securities in such markets or on such exchanges may not fully reflect events that occur after such close but before the close of the New York Stock Exchange. In those situations, foreign securities will be fair valued pursuant to a policy approved by the Board of Trustees. Under the policy, the Fund may utilize a third-party pricing service to determine these fair values. The third-party pricing service takes into account multiple factors, including relevant general and sector indices, currency fluctuations, depositary receipts, and futures, as applicable, to determine a good faith estimate that reasonably reflects the current market conditions as of the close of the New York Stock Exchange. The fair value of a security is likely to be different from the quoted or published price, if available.
Investments in open-end investment companies (other than exchange-traded funds (ETFs)), are valued at the latest net asset value reported by those companies as of the valuation time.
Investments for which market quotations are not readily available, or that have quotations which management believes are not reflective of market value or reliable, are valued at fair value as determined in good faith under procedures approved by the Board of Trustees. If a security or class of securities (such as foreign securities) is valued at fair value, such value is likely to be different from the quoted or published price for the security, if available.
The determination of fair value often requires significant judgment. To determine fair value, management may use assumptions including but not limited to future cash flows and estimated risk premiums. Multiple inputs from various sources may be used to determine fair value.
GAAP requires disclosure regarding the inputs and valuation techniques used to measure fair value and any changes in valuation inputs or techniques. In addition, investments shall be disclosed by major category. This information is disclosed following the Fund's Portfolio of Investments.
Security transactions
Security transactions are accounted for on the trade date. Cost is determined and gains (losses) are based upon the specific identification method for both financial statement and federal income tax purposes.
Income recognition
Corporate actions and dividend income are generally recorded net of any non-reclaimable tax withholdings, on the ex-dividend date or upon receipt of an ex-dividend notification in the case of certain foreign securities.
The Fund may receive distributions from holdings in equity securities, business development companies (BDCs), exchange-traded funds (ETFs), limited partnerships (LPs), other regulated investment companies (RICs), and real estate investment trusts (REITs), which report information as to the tax character of their distributions annually. These distributions are allocated to dividend income, capital gain and return of capital based on actual information reported. Return of capital is recorded as a reduction of the cost basis of securities held. If the Fund no longer owns the applicable securities, return of capital is recorded as a realized gain. With respect to REITs, to the extent actual information has not yet been reported, estimates for return of capital are made by Columbia Management Investment Advisers, LLC (the Investment Manager), a wholly-owned subsidiary of Ameriprise Financial, Inc. (Ameriprise Financial). The Investment Manager's estimates are subsequently adjusted when the actual character of the distributions is disclosed by the REITs, which could result in a proportionate change in return of capital to shareholders.
Awards from class action litigation are recorded as a reduction of cost basis if the Fund still owns the applicable securities on the payment date. If the Fund no longer owns the applicable securities on the payment date, the proceeds are recorded as realized gains.
Columbia Large Cap Growth Opportunity Fund | 2025
15
Notes to Financial Statements (continued) August 31, 2025 (Unaudited)
Expenses
General expenses of the Trust are allocated to the Fund and other funds of the Trust based upon relative net assets or other expense allocation methodologies determined by the nature of the expense. Expenses directly attributable to the Fund are charged to the Fund. Expenses directly attributable to a specific class of shares are charged to that share class.
Determination of class net asset value
All income, expenses (other than class-specific expenses, which are charged to that share class, as shown in the Statement of Operations) and realized and unrealized gains (losses) are allocated to each class of the Fund on a daily basis, based on the relative net assets of each class, for purposes of determining the net asset value of each class.
Federal income tax status
The Fund intends to qualify each year as a regulated investment company under Subchapter M of the Internal Revenue Code, as amended, and will distribute substantially all of its investment company taxable income and net capital gain, if any, for its tax year, and as such will not be subject to federal income taxes. In addition, the Fund intends to distribute in each calendar year substantially all of its ordinary income, capital gain net income and certain other amounts, if any, such that the Fund should not be subject to federal excise tax. Therefore, no federal income or excise tax provision is recorded.
Distributions to shareholders
Distributions from net investment income, if any, are declared and paid semi-annually. Net realized capital gains, if any, are distributed at least annually. Income distributions and capital gain distributions are determined in accordance with federal income tax regulations, which may differ from GAAP.
Guarantees and indemnifications
Under the Trust's organizational documents and, in some cases, by contract, its officers and trustees are indemnified against certain liabilities arising out of the performance of their duties to the Trust or its funds. In addition, certain of the Fund's contracts with its service providers contain general indemnification clauses. The Fund's maximum exposure under these arrangements is unknown since the amount of any future claims that may be made against the Fund cannot be determined, and the Fund has no historical basis for predicting the likelihood of any such claims.
Recent accounting pronouncements and regulatory updates
Accounting Standards Update 2023-09 Income Taxes (Topic 740)
In December 2023, the FASB issued Accounting Standards Update No. 2023-09 Income Taxes (Topic 740) Improvements to Income Tax Disclosures. The amendments were issued to enhance the transparency and decision usefulness of income tax disclosures primarily related to rate reconciliation and income taxes paid information. The amendments are effective for annual periods beginning after December 15, 2024, with early adoption permitted. Management expects that the adoption of the amendments will not have a material impact on its financial statements.
Note 3. Fees and other transactions with affiliates
Management services fees
The Fund has entered into a Management Agreement with Columbia Management Investment Advisers, LLC (the Investment Manager), a wholly-owned subsidiary of Ameriprise Financial, Inc. (Ameriprise Financial). Under the ManagementAgreement, the Investment Manager provides the Fund with investment research and advice, as well as administrative and accounting services. The management services fee is an annual fee that is equal to a percentage of the Fund's daily net assets that declines from 0.77% to 0.57% as the Fund's net assets increase. The annualized effective management services fee rate for the six months ended August 31, 2025 was 0.73% of the Fund's average daily net assets.
16
Columbia Large Cap Growth Opportunity Fund | 2025
Notes to Financial Statements (continued) August 31, 2025 (Unaudited)
Compensation of Board members
Members of the Board of Trustees who are not officers or employees of the Investment Manager or Ameriprise Financial are compensated for their services to the Fund as disclosed in the Statement of Operations. Under a Deferred Compensation Plan (the Deferred Plan), these members of the Board of Trustees may elect to defer payment of up to 100% of their compensation. Deferred amounts are treated as though equivalent dollar amounts had been invested in shares of certain funds managed by the Investment Manager. The Fund's liability for these amounts is adjusted for market value changes and remains in the Fund until distributed in accordance with the Deferred Plan. All amounts payable under the Deferred Plan constitute a general unsecured obligation of the Fund. The expense for the Deferred Plan, which includes Trustees' fees deferred during the current period as well as any gains or losses on the Trustees' deferred compensation balances as a result of market fluctuations, is included in "Deferred compensation of board members" in the Statement of Operations.
Compensation of Chief Compliance Officer
The Board of Trustees has appointed a Chief Compliance Officer for the Fund in accordance with federal securities regulations. As disclosed in the Statement of Operations, a portion of the Chief Compliance Officer's total compensation is allocated to the Fund, along with other allocations to affiliated registered investment companies managed by the Investment Manager and its affiliates, based on relative net assets.
Transfer agency fees
Under a Transfer and Dividend Disbursing Agent Agreement, Columbia Management Investment Services Corp. (the Transfer Agent), an affiliate of the Investment Manager and a wholly-owned subsidiary of Ameriprise Financial, is responsible for providing transfer agency services to the Fund. The Transfer Agent has contracted with SS&C GIDS, Inc. (SS&C GIDS) to serve as sub-transfer agent. The Transfer Agent pays the fees of SS&C GIDS for services as sub-transfer agent and SS&C GIDS is not entitled to reimbursement for such fees from the Fund (with the exception of out-of-pocket fees).
The Fund pays the Transfer Agent a monthly transfer agency fee based on the number or the average value of accounts, depending on the type of account. In addition, the Fund pays the Transfer Agent a fee for shareholder services based on the number of accounts or on a percentage of the average aggregate value of the Fund's shares maintained in omnibus accounts up to the lesser of the amount charged by the financial intermediary or a cap established by the Board of Trustees from time to time.
The Transfer Agent also receives compensation from the Fund for various shareholder services and reimbursements for certain out-of-pocket fees. Total transfer agency fees for Institutional 2 Class and Institutional 3 Class shares are subject to an annual limitation of not more than 0.07% and 0.02%, respectively, of the average daily net assets attributable to each share class.
For the six months ended August 31, 2025, the Fund's annualized effective transfer agency fee rates as a percentage of average daily net assets of each class were as follows:
Effective rate (%)
Class A
0.11
Institutional Class
0.11
Institutional 2 Class
0.05
Institutional 3 Class
0.01
Class R
0.11
Class S
0.11
An annual minimum account balance fee of $20 may apply to certain accounts with a value below the applicable share class's initial minimum investment requirements to reduce the impact of small accounts on transfer agency fees. These minimum account balance fees are remitted to the Fund and recorded as part of expense reductions in the Statement of Operations. For the six months ended August 31, 2025, no minimum account balance fees were charged by the Fund.
Columbia Large Cap Growth Opportunity Fund | 2025
17
Notes to Financial Statements (continued) August 31, 2025 (Unaudited)
Distribution and service fees
The Fund has entered into an agreement with Columbia Management Investment Distributors, Inc. (the Distributor), an affiliate of the Investment Manager and a wholly-owned subsidiary of Ameriprise Financial, for distribution and shareholder services. The Board of Trustees has approved, and the Fund has adopted, distribution and shareholder service plans (the Plans) applicable to certain share classes, which set the distribution and service fees for the Fund. These fees are calculated daily and are intended to compensate the Distributor and/or eligible selling and/or servicing agents for selling shares of the Fund and providing services to investors.
Under the Plans, the Fund pays a monthly combined distribution and service fee to the Distributor at the maximum annual rate of 0.25% of the average daily net assets attributable to Class A shares of the Fund. Also under the Plans, the Fund pays a monthly distribution fee to the Distributor at the maximum annual rate of 0.50% of the average daily net assets attributable to Class R shares of the Fund.
Sales charges
Sales charges, including front-end charges and contingent deferred sales charges (CDSCs), received by the Distributor for distributing Fund shares for the six months ended August 31, 2025, if any, are listed below:
Front End (%)
CDSC (%)
Amount ($)
Class A
5.75
0.50 - 1.00
(a)
25,072
(a)
This charge is imposed on certain investments of between $1 million and $50 million redeemed within 18 months after purchase, as follows: 1.00% if redeemed within 12 months after purchase, and 0.50% if redeemed more than 12, but less than 18, months after purchase, with certain limited exceptions.
The Fund's other share classes are not subject to sales charges.
Expenses waived/reimbursed by the Investment Manager and its affiliates
The Investment Manager and certain of its affiliates have contractually agreed to waive fees and/or reimburse expenses (excluding certain fees and expenses described below) for the period(s) disclosed below, unless sooner terminated at the sole discretion of the Board of Trustees, so that the Fund's net operating expenses, after giving effect to fees waived/expensesreimbursed and any balance credits and/or overdraft charges from the Fund's custodian, do not exceed the following annual rate(s) as a percentage of the classes' average daily net assets:
Fee rate(s) contractual
through
June 30, 2026 (%)
Class A
1.05
Institutional Class
0.80
Institutional 2 Class
0.74
Institutional 3 Class
0.70
Class R
1.30
Class S
0.80
Under the agreement governing these fee waivers and/or expense reimbursement arrangements, the following fees and expenses are excluded from the waiver/reimbursement commitment, and therefore will be paid by the Fund, if applicable: taxes (including foreign transaction taxes), expenses associated with investments in affiliated and non-affiliated pooled investment vehicles (including mutual funds and exchange-traded funds), transaction costs and brokerage commissions, costs related to any securities lending program, dividend expenses associated with securities sold short, inverse floater program fees and expenses, transaction charges and interest on borrowed money, interest, costs associated with shareholder meetings, infrequent and/or unusual expenses and any other expenses the exclusion of which is specifically approved by the Board of Trustees. This agreement may be modified or amended only with approval from the Investment Manager, certain of its affiliates and the Fund. Any fees waived and/or expenses reimbursed under the expense reimbursement arrangements described above are not recoverable by the Investment Manager or its affiliates in future periods.
18
Columbia Large Cap Growth Opportunity Fund | 2025
Notes to Financial Statements (continued) August 31, 2025 (Unaudited)
Note 4. Federal tax information
The timing and character of income and capital gain distributions are determined in accordance with income tax regulations, which may differ from GAAP because of temporary or permanent book to tax differences.
At August 31, 2025, the approximate cost of all investments for federal income tax purposes and the aggregate gross approximate unrealized appreciation and depreciation based on that cost was:
Federal
tax cost ($)
Gross unrealized
appreciation ($)
Gross unrealized
(depreciation) ($)
Net unrealized
appreciation ($)
779,950,000
513,375,000
(1,025,000
)
512,350,000
Tax cost of investments and unrealized appreciation/(depreciation) may also include timing differences that do not constitute adjustments to tax basis.
Under current tax rules, regulated investment companies can elect to treat certain late-year ordinary losses incurred and post-October capital losses (capital losses realized after October 31) as arising on the first day of the following taxable year. The Fund will elect to treat the following late-year ordinary losses and post-October capital losses at February 28, 2025 as arising on March 1, 2025.
Late year
ordinary losses ($)
Post-October
capital losses ($)
925,348
-
Management of the Fund has concluded that there are no significant uncertain tax positions in the Fund that would require recognition in the financial statements. However, management's conclusion may be subject to review and adjustment at a later date based on factors including, but not limited to, new tax laws, regulations, and administrative interpretations (including relevant court decisions). Generally, the Fund's federal tax returns for the prior three fiscal years remain subject to examination by the Internal Revenue Service.
Note 5. Portfolio information
The cost of purchases and proceeds from sales of securities, excluding short-term investments and derivatives, if any, aggregated to $403,956,573 and $498,006,646, respectively, for the six months ended August 31, 2025. The amount of purchase and sale activity impacts the portfolio turnover rate reported in the Financial Highlights.
Note 6. Affiliated money market fund
The Fund invests in Columbia Short-Term Cash Fund, an affiliated money market fund established for the exclusive use by the Fund and other affiliated funds (the Affiliated MMF). The income earned by the Fund from such investments is included as Dividends - affiliated issuers in the Statement of Operations. As an investing fund, the Fund indirectly bears its proportionate share of the expenses of the Affiliated MMF. The Affiliated MMF prices its shares with a floating net asset value. The Securities and Exchange Commission has adopted amendments to money market fund rules requiring institutional prime money market funds like the Affiliated MMF to be subject to a discretionary liquidity fee of up to 2% if the imposition of such a fee is determined to be in the best interest of the Affiliated MMF and to a mandatory liquidity fee if daily net redemptions exceed 5% of net assets.
Note 7. Interfund lending
Pursuant to an exemptive order granted by the Securities and Exchange Commission, the Fund participates in a program (the Interfund Program) allowing each participating Columbia Fund (each, a Participating Fund) to lend money directly to and, except for closed-end funds and money market funds, borrow money directly from other Participating Funds for temporary purposes. The amounts eligible for borrowing and lending under the Interfund Program are subject to certain restrictions.
Columbia Large Cap Growth Opportunity Fund | 2025
19
Notes to Financial Statements (continued) August 31, 2025 (Unaudited)
Interfund loans are subject to the risk that the borrowing fund could be unable to repay the loan when due, and a delay in repayment to the lending fund could result in lost opportunities and/or additional lending costs. The exemptive order is subject to conditions intended to mitigate conflicts of interest arising from the Investment Manager's relationship with each Participating Fund.
The Fund did not borrow or lend money under the Interfund Program during the six months ended August 31, 2025.
Note 8. Line of credit
The Fund has access to a revolving credit facility with a syndicate of banks led by JPMorgan Chase Bank, N.A., Citibank, N.A. and Wells Fargo Bank, N.A. whereby the Fund may borrow for the temporary funding of shareholder redemptions or for other temporary or emergency purposes. Pursuant to an October 23, 2025 amendment and restatement, the credit facility, which is an agreement between the Fund and certain other funds managed by the Investment Manager or an affiliated investment manager, severally and not jointly, permits aggregate borrowings up to $750 million. Interest is currently charged to each participating fund based on its borrowings at a rate equal to the higher of (i) the federal funds effective rate, (ii) the secured overnight financing rate plus 0.10% and (iii) the overnight bank funding rate, plus 1.00% in each case. Each borrowing under the credit facility matures no later than 60 days after the date of borrowing. The Fund also pays a commitment fee equal to its pro rata share of the unused amount of the credit facility at a rate of 0.15% per annum. The commitment fee is included in other expenses in the Statement of Operations. This agreement expires annually in October unless extended or renewed. Prior to the October 23, 2025 amendment and restatement, the Fund had access to a revolving credit facility with a syndicate of banks led by JPMorgan Chase Bank, N.A., Citibank, N.A. and Wells Fargo Bank, N.A. which permitted collective borrowings up to $900 million. Interest was charged to each participating fund based on its borrowings at a rate equal to the higher of (i) the federal funds effective rate, (ii) the secured overnight financing rate plus 0.10% and (iii) the overnight bank funding rate, plus 1.00% in each case.
The Fund had no borrowings during the six months ended August 31, 2025.
Note 9. Risks and uncertainties
An investment in the Fund involves risks, including market risk and concentration risk, among others. The value of the Fund's holdings and the Fund's NAV may go down. These declines may be due to factors affecting a particular issuer, or the result of, among other things, political, regulatory, market, economic or social developments affecting the relevant market(s) more generally.
Global economies and financial markets are increasingly interconnected, and conditions and events in one country, region or financial market may adversely impact issuers in a different country, region or financial market. These risks may be magnified if certain events or developments adversely interrupt the global supply chain; in these and other circumstances, such risks might affect companies worldwide. As a result, local, regional or global events such as terrorism, war, other conflicts, natural disasters, disease/virus outbreaks and epidemics or other public health issues, recessions, depressions or other events - or the potential for such events - could have a significant negative impact on global economic and market conditions.
To the extent that the Fund concentrates its investment in particular issuers, countries, geographic regions, industries or sectors, the Fund may be subject to greater risks of adverse developments in such areas of focus than a fund that invests in a wider variety of issuers, countries, geographic regions, industries, sectors or investments.
Additional risk factors of the Fund are described more fully in the Fund's Prospectus and Statement of Additional Information.
Shareholder concentration risk
At August 31, 2025, one unaffiliated shareholder of record owned 25.6% of the outstanding shares of the Fund in one or more accounts. The Fund has no knowledge about whether any portion of those shares was owned beneficially. Fund shares sold to or redeemed by concentrated accounts may have a significant effect on the operations of the Fund. In the
20
Columbia Large Cap Growth Opportunity Fund | 2025
Notes to Financial Statements (continued) August 31, 2025 (Unaudited)
case of a large redemption, the Fund may be forced to sell investments at inopportune times, including its liquid positions, which may result in Fund losses and the Fund holding a higher percentage of less liquid positions. Large redemptions could result in decreased economies of scale and increased operating expenses for non-redeeming Fund shareholders.
Note 10. Subsequent events
Management has evaluated the events and transactions that have occurred through the date the financial statements were issued. Other than as noted below, there were no items requiring adjustment of the financial statements or additional disclosure.
The Board of Trustees of the Fund approved a custody agreement with State Street Bank and Trust Company (State Street). The transition of custody services to State Street is expected to be completed by December, 2026. In addition, the Board approved the engagement by the Investment Manager of State Street as sub-administrator. In such capacity, and subject to the supervision and direction of the Investment Manager, State Street will provide certain sub-administration services to the Fund, including fund accounting and financial reporting services.
Note 11. Information regarding pending and settled legal proceedings
Ameriprise Financial and certain of its affiliates are involved, in the normal course of business, in legal proceedings that include regulatory inquiries, arbitration and litigation (including class actions) concerning matters arising in connection with the conduct of their activities as part of a diversified financial services firm. Ameriprise Financial believes that the Fund is not currently the subject of, and that neither Ameriprise Financial nor any of its affiliates are the subject of, any pending legal, arbitration or regulatory proceedings that are likely to have a material adverse effect on the Fund or the ability of Ameriprise Financial or its affiliates to perform under their contracts with the Fund. Ameriprise Financial is required to make quarterly (10-Q), annual (10-K) and, as necessary, 8-K filings with the Securities and Exchange Commission (SEC) on legal and regulatory matters that relate to Ameriprise Financial and its affiliates. Copies of these filings may be obtained by accessing the SEC website at www.sec.gov.
There can be no assurance that these matters, or the adverse publicity associated with them, will not result in increased Fund redemptions, reduced sale of Fund shares or other adverse consequences to the Fund. Further, although we believe proceedings are not likely to have a material adverse effect on the Fund or the ability of Ameriprise Financial or its affiliates to perform under their contracts with the Fund, these proceedings are subject to uncertainties and, as such, it is inherently difficult to determine whether any loss is probable or even reasonably possible, or to reasonably estimate the amount of any loss that may result from such matters. An adverse outcome in one or more of these proceedings could result in adverse judgments, settlements, fines, penalties or other relief, and may lead to further claims, examinations, adverse publicity or reputational damage, each of which could have a material adverse effect on the consolidated financial condition or results of operations or financial condition of Ameriprise Financial or one or more of its affiliates that provide services to the Fund.
Columbia Large Cap Growth Opportunity Fund | 2025
21
Approval of Management Agreement
(Unaudited)
Columbia Management Investment Advisers, LLC (the Investment Manager, and together with its domestic and global affiliates, Columbia Threadneedle Investments), a wholly-owned subsidiary of Ameriprise Financial, Inc. (Ameriprise Financial), serves as the investment manager to Columbia Large Cap Growth Opportunity Fund (the Fund). Under a management agreement (the Management Agreement), the Investment Manager provides investment advice and other services to the Fund and other funds distributed by Columbia Management Investment Distributors, Inc. (collectively, the Funds).
On an annual basis, the Fund's Board of Trustees (the Board), including the independent Board members (the Independent Trustees), considers renewal of the Management Agreement. The Investment Manager prepared detailed reports for the Board and its Contracts Committee (including its Contracts Subcommittee) in March, April and June 2025, including reports providing the results of analyses performed by a third-party data provider, Broadridge Financial Solutions, Inc. (Broadridge), and comprehensive responses by the Investment Manager to written requests for information by independent legal counsel to the Independent Trustees (Independent Legal Counsel), to assist the Board in making this determination. In addition, throughout the year, the Board (or its committees or subcommittees) regularly meets with portfolio management teams and senior management personnel and reviews information prepared by the Investment Manager addressing the services the Investment Manager provides and Fund performance. The Board also accords appropriate weight to the work, deliberations and conclusions of the various committees (including their subcommittees), such as the Contracts Committee, the Investment Review Committee, the Audit Committee and the Compliance Committee in determining whether to continue the Management Agreement.
The Board, at its June 26, 2025 Board meeting (the June Meeting), considered the renewal of the Management Agreement for an additional one-year term. At the June Meeting, Independent Legal Counsel reviewed with the Independent Trustees various factors relevant to the Board's consideration of advisory agreements and the Board's legal responsibilities related to such consideration. The Independent Trustees considered such information as they, their legal counsel or the Investment Manager believed reasonably necessary to evaluate and to approve the continuation of the Management Agreement. Among other things, the information and factors considered included the following:

Information on the investment performance of the Fund relative to the performance of a group of mutual funds determined to be comparable to the Fund by Broadridge, as well as performance relative to one or more benchmarks;

Information on the Fund's management fees and total expenses, including information comparing the Fund's expenses to those of a group of comparable mutual funds, as determined by Broadridge;

The Investment Manager's agreement to contractually limit or cap total operating expenses for the Fund so that total operating expenses (excluding certain fees and expenses, such as transaction costs and certain other investment related expenses, interest, taxes, acquired fund fees and expenses and infrequent and/or unusual expenses) would not exceed a specified annual rate, as a percentage of the Fund's net assets;

Terms of the Management Agreement;

Descriptions of other agreements and arrangements with affiliates of the Investment Manager relating to the operations of the Fund, including agreements with respect to the provision of transfer agency and shareholder services to the Fund;

Descriptions of various services performed by the Investment Manager under the Management Agreement, including portfolio management and portfolio trading practices;

Information regarding any recently negotiated management fees of similarly-managed portfolios of other institutional clients of the Investment Manager;

Information regarding the resources of the Investment Manager, including information regarding senior management, portfolio managers and other personnel;

Information regarding the capabilities of the Investment Manager with respect to compliance monitoring services;

The profitability to the Investment Manager and its affiliates from their relationships with the Fund; and
22
Columbia Large Cap Growth Opportunity Fund | 2025
Approval of Management Agreement (continued) (Unaudited)

Report provided by the Board's independent fee consultant, JDL Consultants, LLC (JDL).
Following an analysis and discussion of the foregoing, and the factors identified below, the Board, including all of the Independent Trustees, approved the renewal of the Management Agreement.
Nature, extent and quality of services provided by the Investment Manager
The Board analyzed various reports and presentations it had received detailing the services performed by the Investment Manager, as well as its history, expertise, resources and relative capabilities, and the qualifications of its personnel.
The Board specifically considered the many developments during recent years concerning the services provided by the Investment Manager. Among other things, the Board noted the organization and depth of the equity and credit research departments. The Board further observed the enhancements to the investment risk management department's processes, systems and oversight over the past several years. The Board also took into account the broad scope of services provided by the Investment Manager to the Fund, including, among other services, investment, risk and compliance oversight. The Board also took into account the information it received concerning the Investment Manager's ability to attract and retain key portfolio management personnel and that it has sufficient resources to provide competitive and adequate compensationto investment personnel.
In connection with the Board's evaluation of the overall package of services provided by the Investment Manager, the Board also considered the nature, quality and range of administrative services provided to the Fund by the Investment Manager, as well as the achievements in 2024 in the performance of administrative services, and noted the various enhancements anticipated for 2025. In evaluating the quality of services provided under the Management Agreement, the Board also took into account the organization and strength of the Fund's and its service providers' compliance programs. The Board also reviewed the financial condition of the Investment Manager and its affiliates and each entity's ability to carry out its responsibilities under the Management Agreement and the Fund's other service agreements.
In addition, the Board discussed the acceptability of the terms of the Management Agreement, noting that no changes were proposed from the form of agreement previously approved. The Board also noted the wide array of legal and compliance services provided to the Fund under the Management Agreement.
After reviewing these and related factors (including investment performance as discussed below), the Board concluded, within the context of their overall conclusions, that the nature, extent and quality of the services provided to the Fund under the Management Agreement supported the continuation of the Management Agreement.
Investment performance
The Board carefully reviewed the investment performance of the Fund, including detailed reports providing the results of analyses performed by each of the Investment Manager, Broadridge and JDL collectively showing, for various periods (including since manager inception): (i) the performance of the Fund, (ii) the Fund's performance relative to peers and benchmarks and (iii) the net assets of the Fund. The Board observed the Fund's underperformance for certain periods, noting that appropriate steps (such as changes to the Fund's management team) had been taken to help improve the Fund's performance.
The Board also reviewed a description of the third-party data provider's methodology for identifying the Fund's peer groups for purposes of performance and expense comparisons.
The Board also considered the Investment Manager's performance and reputation generally, and the Investment Manager's willingness to take steps intended to improve performance. After reviewing these and related factors, the Board concluded, within the context of their overall conclusions, that the performance of the Fund and the Investment Manager, in light of other considerations, supported the continuation of the Management Agreement.
Columbia Large Cap Growth Opportunity Fund | 2025
23
Approval of Management Agreement (continued) (Unaudited)
Comparative fees, costs of services provided and the profits realized by the Investment Manager and its affiliates from their relationships with the Fund
The Board reviewed comparative fees and the costs of services provided under the Management Agreement. The Board members considered detailed comparative information set forth in an annual report on fees and expenses, including, among other things, data (based on analyses conducted by Broadridge and JDL) showing a comparison of the Fund's expenses with median expenses paid by funds in its comparative peer universe, as well as data showing the Fund's contribution to the Investment Manager's profitability. The Board reviewed the fees charged to comparable institutional or other accounts/vehiclesmanaged by the Investment Manager and discussed differences in how the products are managed and operated, thus explaining many of the differences in fees.
The Board considered the reports of JDL, which assisted in the Board's analysis of the Funds' performance and expenses and the reasonableness of the Funds' fee rates. The Board accorded particular weight to the notion that a primary objective of the level of fees is to achieve a rational pricing model applied consistently across the various product lines in the Fund family, while assuring that the overall fees for each Fund (with certain exceptions) are generally in line with the current "pricing philosophy" such that Fund total expense ratios, in general, approximate or are lower than the median expense ratios of funds in the same Lipper comparison universe. The Board took into account that the Fund's total expense ratio (after considering proposed expense caps/waivers) approximated the peer universe's median expense ratio.
After reviewing these and related factors, the Board concluded, within the context of their overall conclusions, that the levels of management fees and expenses of the Fund, in light of other considerations, supported the continuation of the Management Agreement.
The Board also considered the profitability of the Investment Manager and its affiliates in connection with the Investment Manager providing management services to the Fund. With respect to the profitability of the Investment Manager and its affiliates, the Independent Trustees referred to information discussing the profitability to the Investment Manager and Ameriprise Financial from managing, operating and distributing the Funds. The Board considered that the profitability generated by the Investment Manager in 2024 had increased from 2023 levels due to a variety of factors, including the increased assets under management of the Funds. It also took into account the indirect economic benefits flowing to the Investment Manager or its affiliates in connection with managing or distributing the Funds, such as the enhanced ability to offer various other financial products to Ameriprise Financial customers, soft dollar benefits and overall reputational advantages. The Board noted that the fees paid by the Fund should permit the Investment Manager to offer competitive compensation to its personnel, make necessary investments in its business and earn an appropriate profit. After reviewing these and related factors, the Board concluded, within the context of their overall conclusions, that the costs of services provided and the profitability to the Investment Manager and its affiliates from their relationships with the Fund supported the continuation of the Management Agreement.
Economies of scale
The Board considered the potential existence of economies of scale in the provision by the Investment Manager of services to the Fund, and whether those economies of scale were shared with the Fund through breakpoints in investment management fees or other means, such as expense limitation arrangements and additional investments by the Investment Manager in investment, trading, compliance and other resources. The Board considered the economies of scale that might be realized as the Fund's net asset level grows and took note of the extent to which Fund shareholders might also benefit from such growth. In this regard, the Board took into account that management fees decline as Fund assets exceed various breakpoints, all of which have not been surpassed. The Board observed that the Management Agreement thus provides for breakpoints in the management fee rate schedule that allow opportunities for shareholders to realize lower fees as Fund assets grow and that there are additional opportunities through other means for sharing economies of scale with shareholders.
Conclusion
The Board reviewed all of the above considerations in reaching its decision to approve the continuation of the Management Agreement. In reaching its conclusions, no single factor was determinative.
24
Columbia Large Cap Growth Opportunity Fund | 2025
Approval of Management Agreement (continued) (Unaudited)
On June 26, 2025, the Board, including all of the Independent Trustees, determined that fees payable under the Management Agreement were fair and reasonable in light of the extent and quality of services provided and approved the renewal of the Management Agreement.
Columbia Large Cap Growth Opportunity Fund | 2025
25
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Columbia Large Cap Growth Opportunity Fund
P.O. Box 219104
Kansas City, MO 64121-9104
Please read and consider the investment objectives, risks, charges and expenses for any fund carefully before investing. For a prospectus and summary prospectus, which contains this and other important information about the Fund, go to
columbiathreadneedleus.com/investor/. The Fund is distributed by Columbia Management Investment Distributors, Inc., member FINRA, and managed by Columbia Management Investment Advisers, LLC.
Columbia Threadneedle Investments® (Columbia Threadneedle) is the global brand name of the Columbia and Threadneedle group of companies. All rights reserved.
© 2025 Columbia Management Investment Advisers, LLC.
columbiathreadneedleus.com/investor/
SAR186_02_R01_(10/25)


Item 8. Changes in and Disagreements with Accountants for Open-End Management Investment Companies.

Not applicable.


Item 9. Proxy Disclosures for Open-End Management Investment Companies.

Not applicable.


Item 10. Remuneration Paid to Directors, Officers, and Others of Open-End Management Investment Companies.

The fees and expenses of the independent trustees are included in "Compensation of board members" and "Deferred compensation of board members" on each Fund's Statement of Operations as part of the Registrant's financial statements filed under Item 7 of this Form N-CSR. Additionally, the compensation paid by the Trust to the Chief Compliance Officer is included in "Compensation of chief compliance officer" on each Fund's Statement of Operations as part of the Registrant's financial statements filed under Item 7 of this Form N-CSR.


Item 11. Statement Regarding Basis for Approval of Investment Advisory Contract.

Statement regarding basis for approval of Investment Advisory Contract is included in Item 7 of this Form N-CSR.


Item 12. Disclosure of Proxy Voting Policies and Procedures for Closed-End Management Investment Companies.

Not applicable.


Item 13. Portfolio Managers of Closed-End Management Investment Companies.

Not applicable.


Item 14. Purchases of Equity Securities by Closed-End Management Investment Company and Affiliated Purchasers.

Not applicable.


Item 15. Submission of Matters to a Vote of Security Holders.

There were no material changes to the procedures by which shareholders may recommend nominees to the registrant's board of trustees implemented since the registrant last provided disclosure as to such procedures in response to the requirements of Item 407(c)(2)(iv) of Regulation S-K or Item 15 of Form N-CSR.


Item 16. Controls and Procedures.

(a) The registrant's principal executive officer and principal financial officer, based on their evaluation of the registrant's disclosure controls and procedures as of a date within 90 days of the filing of this report, have concluded that such controls and procedures are effective and adequately designed to ensure that information required to be disclosed by the registrant in Form N-CSR is accumulated and communicated to the registrant's management, including the principal executive officer and principal financial officer, or persons performing similar functions, as appropriate to allow timely decisions regarding required disclosure.

(b) There was no change in the registrant's internal control over financial reporting that occurred during the period covered by this report that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting.


Item 17. Disclosure of Securities Lending Activities for Closed-End Management Investment Companies.

Not applicable.


Item 18. Recovery of Erroneously Awarded Compensation.

Not applicable.


Item 19. Exhibits.

(a)(1) Not applicable.

(a)(2) Certifications pursuant to Rule 30a-2(a) under the Investment Company Act of 1940 (17 CFR 270.30a-2(a)) attached hereto as Exhibit 99.CERT.

(b) Certification pursuant to Rule 30a-2(b) under the Investment Company Act of 1940 (17 CFR 270.30a-2(b)) attached hereto as Exhibit 99.906CERT.


SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

(registrant) Columbia Funds Series Trust

By (Signature and Title) /s/ Michael G. Clarke
Michael G. Clarke, President and Principal Executive Officer

Date October 24, 2025

Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the dates indicated.

By (Signature and Title) /s/ Michael G. Clarke
Michael G. Clarke, President and Principal Executive Officer

Date October 24, 2025

By (Signature and Title) /s/ Charles H. Chiesa
Charles H. Chiesa, Treasurer, Chief Financial Officer, Chief Accounting
Officer and Principal Financial Officer

Date October 24, 2025

Columbia Funds Series Trust published this content on November 06, 2025, and is solely responsible for the information contained herein. Distributed via Edgar on November 06, 2025 at 21:00 UTC. If you believe the information included in the content is inaccurate or outdated and requires editing or removal, please contact us at [email protected]