08/28/2026 | Press release | Distributed by Public on 08/28/2026 10:34
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D. C. 20549
FORM N-CSRS
CERTIFIED SHAREHOLDER REPORT OF
REGISTERED MANAGEMENT INVESTMENT COMPANIES
Investment Company Act file number: 811-06073
Government Cash Management Portfolio
(Exact Name of Registrant as Specified in Charter)
875 Third Avenue
New York, NY 10022-6225
(Address of Principal Executive Offices) (Zip Code)
Registrant's Telephone Number, including Area Code: (212) 454-4500
Diane Kenneally
100 Summer Street
Boston, MA 02110
(Name and Address of Agent for Service)
| Date of fiscal year end: | 12/31 |
| Date of reporting period: | 6/30/2026 |
| Item 1. | Reports to Stockholders. |
| (a) Not applicable |
| (b) Not applicable | |
| 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. |
| Not applicable | |
| Item 7. | Financial Statements and Financial Highlights for Open-End Management Investment Companies. |
| (a) |
|
DWS Government Money Market Series
|
|
|
3
|
Statement of Assets and Liabilities
|
|
4
|
Statement of Operations
|
|
5
|
Statements of Changes in Net Assets
|
|
6
|
Financial Highlights
|
|
7
|
Notes to Financial Statements
|
|
Government Cash Management Portfolio
|
|
|
13
|
Investment Portfolio
|
|
22
|
Statement of Assets and Liabilities
|
|
23
|
Statement of Operations
|
|
24
|
Statements of Changes in Net Assets
|
|
25
|
Financial Highlights
|
|
26
|
Notes to Financial Statements
|
|
31
|
Advisory Agreement Board Considerations and Fee Evaluation
|
|
2
|
|
|
DWS Government Money Market Series
|
|
Assets
|
|
|
Investment in Government Cash Management Portfolio, at value
|
$34,364,025,189
|
|
Receivable for Fund shares sold
|
1,552,567
|
|
Other assets
|
24,970
|
|
Total assets
|
34,365,602,726
|
|
Liabilities
|
|
|
Payable for Fund shares redeemed
|
72,771
|
|
Distributions payable
|
52,275,997
|
|
Accrued Trustees' fees
|
1,759
|
|
Other accrued expenses and payables
|
328,836
|
|
Total liabilities
|
52,679,363
|
|
Net assets, at value
|
$34,312,923,363
|
|
Net Assets Consist of
|
|
|
Distributable earnings (loss)
|
(7,406,689
)
|
|
Paid-in capital
|
34,320,330,052
|
|
Net assets, at value
|
$34,312,923,363
|
|
Net Asset Value
|
|
|
Institutional Shares
|
|
|
Net Asset Value, offering and redemption price per share
($34,312,923,363 ÷ 34,320,742,145 outstanding shares of beneficial
interest, $.01 par value, unlimited number of shares authorized)
|
$1.00
|
|
DWS Government Money Market Series
|
|
|
3
|
|
Investment Income
|
|
|
Income and expenses allocated from Government Cash
Management Portfolio:
|
|
|
Interest
|
$559,926,378
|
|
Expenses*
|
(14,832,441
)
|
|
Net investment income allocated from Government Cash
Management Portfolio
|
545,093,937
|
|
Expenses:
|
|
|
Administration fee
|
14,704,039
|
|
Services to shareholders
|
2,750,504
|
|
Professional fees
|
23,052
|
|
Reports to shareholders
|
10,324
|
|
Registration fees
|
47,832
|
|
Trustees' fees and expenses
|
8,026
|
|
Other
|
120,718
|
|
Total expenses before expense reductions
|
17,664,495
|
|
Expense reductions
|
(17,664,495
)
|
|
Total expenses after expense reductions
|
0
|
|
Net investment income
|
545,093,937
|
|
Net realized gain (loss) allocated from Government Cash
Management Portfolio
|
(6
)
|
|
Net increase (decrease) in net assets resulting from operations
|
$545,093,931
|
|
*
|
Net of $5,607,551 Advisor reimbursement allocated from Government Cash
Management Portfolio for the six months ended June 30, 2026.
|
|
4
|
|
|
DWS Government Money Market Series
|
|
Six Months
Ended
June 30, 2026
|
Year Ended
December 31,
|
|
|
Increase (Decrease) in Net Assets
|
(Unaudited)
|
2025
|
|
Operations:
|
||
|
Net investment income
|
$545,093,937
|
$1,410,971,291
|
|
Net realized gain (loss)
|
(6
)
|
3,000,390
|
|
Net increase (decrease) in net assets resulting
from operations
|
545,093,931
|
1,413,971,681
|
|
Distributions to shareholders:
Institutional Shares
|
(545,093,945
)
|
(1,410,971,284
)
|
|
Fund share transactions:
|
||
|
Proceeds from shares sold
|
206,496,109,147
|
418,495,870,305
|
|
Reinvestment of distributions
|
245,108,247
|
766,561,003
|
|
Payments for shares redeemed
|
(204,647,410,535
)
|
(419,068,725,241
)
|
|
Net increase (decrease) in net assets from Fund
share transactions
|
2,093,806,859
|
193,706,067
|
|
Increase (decrease) in net assets
|
2,093,806,845
|
196,706,464
|
|
Net assets at beginning of period
|
32,219,116,518
|
32,022,410,054
|
|
Net assets at end of period
|
$34,312,923,363
|
$32,219,116,518
|
|
Other Information:
|
||
|
Shares outstanding at beginning of period
|
32,226,951,436
|
32,033,245,369
|
|
Shares sold
|
206,496,109,147
|
418,495,870,305
|
|
Shares issued to shareholders in reinvestment
of distributions
|
245,108,247
|
766,561,003
|
|
Shares redeemed
|
(204,647,426,685
)
|
(419,068,725,241
)
|
|
Net increase (decrease) in Fund shares
|
2,093,790,709
|
193,706,067
|
|
Shares outstanding at end of period
|
34,320,742,145
|
32,226,951,436
|
|
DWS Government Money Market Series
|
|
|
5
|
|
DWS Government Money Market Series - Institutional Shares
|
||||||
|
Six Months
Ended 6/30/26
|
Years Ended December 31,
|
|||||
|
(Unaudited)
|
2025
|
2024
|
2023
|
2022
|
2021
|
|
|
Selected Per Share Data
|
||||||
|
Net asset value, beginning
of period
|
$1.00
|
$1.00
|
$1.00
|
$1.00
|
$1.00
|
$1.00
|
|
Income (loss) from
investment operations:
|
||||||
|
Net investment income
|
.018
|
.042
|
.051
|
.050
|
.016
|
.000
*
|
|
Net realized gain (loss)
|
(.000
)*
|
.000
*
|
.000
*
|
.000
*
|
(.000
)*
|
.000
*
|
|
Total from
investment operations
|
.018
|
.042
|
.051
|
.050
|
.016
|
.000
*
|
|
Less distributions from:
|
||||||
|
Net investment income
|
(.018
)
|
(.042
)
|
(.051
)
|
(.050
)
|
(.016
)
|
(.000
)*
|
|
Net asset value, end
of period
|
$1.00
|
$1.00
|
$1.00
|
$1.00
|
$1.00
|
$1.00
|
|
Total Return (%)a
|
1.80
**
|
4.25
|
5.23
|
5.08
|
1.62
|
.03
|
|
Ratios to Average Net Assets and Supplemental Data
|
||||||
|
Net assets, end of period
($ millions)
|
34,313
|
32,219
|
32,022
|
37,742
|
31,982
|
33,285
|
|
Ratio of expenses before
expense reductions, including
expenses allocated from
Government Cash
Management Portfolio (%)
|
.25
***
|
.25
|
.25
|
.25
|
.25
|
.25
|
|
Ratio of expenses after
expense reductions, including
expenses allocated from
Government Cash
Management Portfolio (%)
|
.10
b***
|
.12
b
|
.11
b
|
.09
|
.06
|
.03
|
|
Ratio of net investment
income (%)
|
3.60
***
|
4.18
|
5.10
|
5.01
|
1.68
|
.03
|
|
a
|
Total return would have been lower had certain expenses not been reduced.
|
|
b
|
The ratio of expenses would have been .08%, .03% and .03% higher had the Advisor
not voluntarily waived or reimbursed certain operating expenses for the periods ended
June 30, 2026, December 31, 2025 and December 31, 2024, respectively.
|
|
*
|
Amount is less than $.0005.
|
|
**
|
Not annualized
|
|
***
|
Annualized
|
|
6
|
|
|
DWS Government Money Market Series
|
|
DWS Government Money Market Series
|
|
|
7
|
|
8
|
|
|
DWS Government Money Market Series
|
|
First $3.0 billion of the Fund's average daily net assets
|
.1200%
|
|
Next $4.5 billion of such net assets
|
.1025%
|
|
Over $7.5 billion of such net assets
|
.0900%
|
|
DWS Government Money Market Series
|
|
|
9
|
|
10
|
|
|
DWS Government Money Market Series
|
|
DWS Government Money Market Series
|
|
|
11
|
|
12
|
|
|
DWS Government Money Market Series
|
|
Principal
Amount ($)
|
Value ($)
|
||
|
Government & Agency Obligations 47.1%
|
|||
|
U.S. Government Sponsored Agencies 26.8%
|
|||
|
Federal Farm Credit Banks Funding Corp.:
|
|||
|
1 day USD SOFR + 0.025%, 3.645% (a),
12/1/2026
|
151,000,000
|
151,000,000
|
|
|
1 day USD SOFR + 0.03%, 3.65% (a), 12/8/2026
|
80,000,000
|
80,000,000
|
|
|
1 day USD SOFR + 0.03%, 3.65% (a), 1/19/2027
|
83,500,000
|
83,500,000
|
|
|
1 day USD SOFR + 0.04%, 3.66% (a), 12/24/2026
|
170,000,000
|
170,000,000
|
|
|
1 day USD SOFR + 0.04%, 3.66% (a), 3/1/2027
|
90,000,000
|
90,000,000
|
|
|
1 day USD SOFR + 0.04%, 3.66% (a), 4/7/2027
|
244,250,000
|
244,250,000
|
|
|
1 day USD SOFR + 0.045%, 3.665% (a),
4/19/2027
|
50,000,000
|
50,000,000
|
|
|
1 day USD SOFR + 0.05%, 3.67% (a), 4/23/2027
|
113,000,000
|
113,000,000
|
|
|
1 day USD SOFR + 0.05%, 3.67% (a), 6/3/2027
|
115,000,000
|
115,000,000
|
|
|
1 day USD SOFR + 0.055%, 3.675% (a),
5/24/2027
|
127,000,000
|
127,000,000
|
|
|
1 day USD SOFR + 0.065%, 3.685% (a),
9/18/2026
|
25,000,000
|
25,000,000
|
|
|
1 day USD SOFR + 0.1%, 3.72% (a), 1/8/2027
|
86,000,000
|
86,000,000
|
|
|
1 day USD SOFR + 0.1%, 3.72% (a), 5/27/2027
|
68,800,000
|
68,800,000
|
|
|
1 day USD SOFR + 0.1%, 3.72% (a), 7/9/2027
|
129,000,000
|
129,000,000
|
|
|
1 day USD SOFR + 0.115%, 3.735% (a),
7/30/2027
|
63,500,000
|
63,500,000
|
|
|
1 day USD SOFR + 0.125%, 3.745% (a),
8/18/2027
|
127,250,000
|
127,250,000
|
|
|
1 day USD SOFR + 0.13%, 3.75% (a), 2/3/2027
|
176,000,000
|
176,000,000
|
|
|
1 day USD SOFR + 0.135%, 3.755% (a),
12/18/2026
|
59,000,000
|
59,000,000
|
|
|
1 day USD SOFR + 0.135%, 3.755% (a), 1/8/2027
|
260,000,000
|
260,000,000
|
|
|
1 day USD SOFR + 0.14%, 3.76% (a), 8/26/2026
|
86,500,000
|
86,500,000
|
|
|
1 day USD SOFR + 0.145%, 3.765% (a), 9/3/2027
|
247,000,000
|
247,000,000
|
|
|
Federal Farm Credit Discount Notes:
|
|||
|
3.67% (b), 7/16/2026
|
183,000,000
|
182,723,975
|
|
|
3.691% (b), 8/7/2026
|
145,000,000
|
144,457,539
|
|
|
Federal Home Loan Banks:
|
|||
|
3.478% (b), 7/1/2026
|
35,607,000
|
35,607,000
|
|
|
3.5%, 3/1/2027
|
166,250,000
|
166,184,740
|
|
|
3.604% (b), 1/29/2027
|
650,000
|
636,392
|
|
|
1 day USD SOFR + 0.01%, 3.63% (a), 8/28/2026
|
124,000,000
|
124,000,000
|
|
|
1 day USD SOFR + 0.01%, 3.63% (a), 9/3/2026
|
206,500,000
|
206,500,000
|
|
|
1 day USD SOFR + 0.01%, 3.63% (a), 9/4/2026
|
122,750,000
|
122,750,000
|
|
|
Government Cash Management Portfolio
|
|
|
13
|
|
Principal
Amount ($)
|
Value ($)
|
||
|
1 day USD SOFR + 0.015%, 3.635% (a),
9/10/2026
|
124,000,000
|
124,000,000
|
|
|
1 day USD SOFR + 0.015%, 3.635% (a),
9/18/2026
|
124,500,000
|
124,500,000
|
|
|
3.64% (b), 12/7/2026
|
208,500,000
|
205,194,059
|
|
|
1 day USD SOFR + 0.025%, 3.645% (a),
11/25/2026
|
205,000,000
|
205,000,000
|
|
|
3.65% (b), 11/6/2026
|
311,500,000
|
307,512,800
|
|
|
3.65% (b), 11/17/2026
|
311,500,000
|
307,170,150
|
|
|
3.655% (b), 8/20/2026
|
330,000,000
|
328,347,708
|
|
|
1 day USD SOFR + 0.035%, 3.655% (a),
12/17/2026
|
206,250,000
|
206,250,000
|
|
|
1 day USD SOFR + 0.035%, 3.655% (a),
12/21/2026
|
273,000,000
|
273,000,000
|
|
|
3.66% (b), 7/30/2026
|
29,500,000
|
29,414,213
|
|
|
3.66% (b), 10/21/2026
|
220,000,000
|
217,529,156
|
|
|
1 day USD SOFR + 0.04%, 3.66% (a), 5/3/2027
|
125,500,000
|
125,500,000
|
|
|
1 day USD SOFR + 0.04%, 3.66% (a), 6/1/2027
|
163,500,000
|
163,500,000
|
|
|
3.67% (b), 8/6/2026
|
17,500,000
|
17,436,650
|
|
|
3.67% (b), 8/27/2026
|
325,000,000
|
323,137,208
|
|
|
1 day USD SOFR + 0.055%, 3.675% (a), 6/1/2027
|
331,000,000
|
331,000,000
|
|
|
1 day USD SOFR + 0.06%, 3.68% (a), 7/20/2027
|
208,250,000
|
208,250,000
|
|
|
1 day USD SOFR + 0.065%, 3.685% (a),
8/12/2026
|
128,500,000
|
128,500,000
|
|
|
1 day USD SOFR + 0.075%, 3.695% (a),
12/2/2027
|
165,000,000
|
165,000,000
|
|
|
3.701% (b), 8/14/2026
|
20,000,000
|
19,910,778
|
|
|
1 day USD SOFR + 0.085%, 3.705% (a), 4/6/2028
|
163,500,000
|
163,500,000
|
|
|
1 day USD SOFR + 0.095%, 3.715% (a),
6/17/2027
|
50,000,000
|
50,000,000
|
|
|
1 day USD SOFR + 0.12%, 3.74% (a), 4/9/2027
|
87,500,000
|
87,500,000
|
|
|
1 day USD SOFR + 0.17%, 3.79% (a), 9/22/2027
|
125,000,000
|
125,000,000
|
|
|
1 day USD SOFR + 0.17%, 3.79% (a), 9/24/2027
|
84,000,000
|
84,000,000
|
|
|
Federal Home Loan Mortgage Corp.:
|
|||
|
1 day USD SOFR + 0.095%, 3.715% (a), 5/5/2027
|
73,500,000
|
73,500,000
|
|
|
1 day USD SOFR + 0.14%, 3.76% (a), 9/4/2026
|
55,000,000
|
55,000,000
|
|
|
1 day USD SOFR + 0.14%, 3.76% (a), 10/6/2027
|
200,000,000
|
200,000,000
|
|
|
Federal National Mortgage Association:
|
|||
|
3.5%, 2/16/2027
|
123,000,000
|
122,938,500
|
|
|
1 day USD SOFR + 0.12%, 3.74% (a), 7/29/2026
|
60,000,000
|
60,000,000
|
|
|
1 day USD SOFR + 0.135%, 3.755% (a),
8/21/2026
|
213,250,000
|
213,250,000
|
|
|
1 day USD SOFR + 0.14%, 3.76% (a), 9/11/2026
|
367,000,000
|
367,000,000
|
|
|
14
|
|
|
Government Cash Management Portfolio
|
|
Principal
Amount ($)
|
Value ($)
|
||
|
1 day USD SOFR + 0.14%, 3.76% (a), 10/23/2026
|
73,750,000
|
73,750,000
|
|
|
1 day USD SOFR + 0.14%, 3.76% (a), 12/11/2026
|
237,500,000
|
237,500,000
|
|
|
9,257,750,868
|
|||
|
U.S. Treasury Obligations 20.3%
|
|||
|
U.S. Treasury Bills:
|
|||
|
3.45% (b), 2/18/2027
|
145,000,000
|
141,820,553
|
|
|
3.49% (b), 12/24/2026
|
80,750,000
|
79,390,977
|
|
|
3.514% (b), 7/9/2026
|
162,500,000
|
162,374,839
|
|
|
3.549% (b), 8/13/2026
|
280,500,000
|
279,327,187
|
|
|
3.554% (b), 9/10/2026
|
286,000,000
|
284,022,986
|
|
|
3.57% (b), 7/23/2026
|
300,000,000
|
299,354,483
|
|
|
3.572% (b), 8/27/2026
|
282,500,000
|
280,924,191
|
|
|
3.645% (b), 11/5/2026
|
412,500,000
|
407,268,526
|
|
|
3.646% (b), 7/21/2026
|
426,000,000
|
425,148,828
|
|
|
3.647% (b), 7/14/2026
|
475,000,000
|
474,383,015
|
|
|
3.651% (b), 7/7/2026
|
299,500,000
|
299,320,250
|
|
|
3.66% (b), 10/8/2026
|
404,000,000
|
399,989,290
|
|
|
3.661% (b), 8/4/2026
|
607,500,000
|
605,428,189
|
|
|
3.661% (b), 9/22/2026
|
823,000,000
|
816,149,177
|
|
|
3.663% (b), 10/1/2026
|
285,500,000
|
282,864,280
|
|
|
3.665% (b), 3/18/2027
|
146,250,000
|
142,431,603
|
|
|
3.681% (b), 12/3/2026
|
445,000,000
|
438,044,064
|
|
|
3.693% (b), 11/19/2026
|
420,000,000
|
414,008,087
|
|
|
U.S. Treasury Floating Rate Notes, 3 mo. Treasury
money market yield + 0.16%, 3.936% (a),
4/30/2027
|
785,250,000
|
785,955,704
|
|
|
7,018,206,229
|
|||
|
Total Government & Agency Obligations (Cost $16,275,957,097)
|
16,275,957,097
|
||
|
Repurchase Agreements 52.8%
|
|||
|
Banco Santander SA, 3.65%, dated 6/30/2026, to be
repurchased at $750,076,042 on 7/1/2026 (c)
|
750,000,000
|
750,000,000
|
|
|
BNP Paribas, 3.65%, dated 6/30/2026, to be
repurchased at $2,220,225,083 on 7/1/2026 (d)
|
2,220,000,000
|
2,220,000,000
|
|
|
Citigroup Global Markets, Inc., 3.64%, dated
6/30/2026, to be repurchased at $40,004,044 on
7/1/2026 (e)
|
40,000,000
|
40,000,000
|
|
|
Fixed Income Clearing Corp.:
|
|||
|
3.5%, dated 6/30/2026, to be repurchased at
$123,812,036 on 7/1/2026 (f)
|
123,800,000
|
123,800,000
|
|
|
3.65%, dated 6/30/2026, to be repurchased at
$400,040,556 on 7/1/2026 (g)
|
400,000,000
|
400,000,000
|
|
|
Government Cash Management Portfolio
|
|
|
15
|
|
Principal
Amount ($)
|
Value ($)
|
||
|
3.65%, dated 6/30/2026, to be repurchased at
$3,350,339,653 on 7/1/2026 (h)
|
3,350,000,000
|
3,350,000,000
|
|
|
3.66%, dated 6/30/2026, to be repurchased at
$3,100,315,167 on 7/1/2026 (i)
|
3,100,000,000
|
3,100,000,000
|
|
|
3.68%, dated 6/30/2026, to be repurchased at
$350,035,778 on 7/1/2026 (j)
|
350,000,000
|
350,000,000
|
|
|
3.7%, dated 6/30/2026, to be repurchased at
$600,061,667 on 7/1/2026 (k)
|
600,000,000
|
600,000,000
|
|
|
Goldman Sachs & Co.:
|
|||
|
3.64%, dated 6/30/2026, to be repurchased at
$750,075,833 on 7/1/2026 (l)
|
750,000,000
|
750,000,000
|
|
|
3.65%, dated 6/30/2026, to be repurchased at
$600,060,833 on 7/1/2026 (m)
|
600,000,000
|
600,000,000
|
|
|
HSBC Securities, Inc., 3.64%, dated 6/30/2026, to
be repurchased at $550,055,611 on 7/1/2026 (n)
|
550,000,000
|
550,000,000
|
|
|
JPMorgan Securities, Inc.:
|
|||
|
3.64%, dated 6/30/2026, to be repurchased at
$94,909,595 on 7/1/2026 (o)
|
94,900,000
|
94,900,000
|
|
|
3.65%, dated 6/30/2026, to be repurchased at
$498,050,492 on 7/1/2026 (p)
|
498,000,000
|
498,000,000
|
|
|
Merrill Lynch & Co., Inc.:
|
|||
|
3.59%, dated 6/30/2026, to be repurchased at
$100,009,972 on 7/1/2026 (q)
|
100,000,000
|
100,000,000
|
|
|
3.64%, dated 6/30/2026, to be repurchased at
$150,015,167 on 7/1/2026 (r)
|
150,000,000
|
150,000,000
|
|
|
Royal Bank of Canada:
|
|||
|
3.63%, dated 6/30/2026, to be repurchased at
$2,573,259,444 on 7/1/2026 (s)
|
2,573,000,000
|
2,573,000,000
|
|
|
3.64%, dated 6/30/2026, to be repurchased at
$1,146,115,873 on 7/1/2026 (t)
|
1,146,000,000
|
1,146,000,000
|
|
|
Wells Fargo Bank:
|
|||
|
3.64%, dated 6/30/2026, to be repurchased at
$274,127,715 on 7/1/2026 (u)
|
274,100,000
|
274,100,000
|
|
|
3.65%, dated 6/30/2026, to be repurchased at
$602,361,067 on 7/1/2026 (v)
|
602,300,000
|
602,300,000
|
|
|
Total Repurchase Agreements (Cost $18,272,100,000)
|
18,272,100,000
|
||
|
% of Net
Assets
|
Value ($)
|
||
|
Total Investment Portfolio (Cost $34,548,057,097)
|
99.9
|
34,548,057,097
|
|
|
Other Assets and Liabilities, Net
|
0.1
|
37,477,903
|
|
|
Net Assets
|
100.0
|
34,585,535,000
|
|
(a)
|
Floating rate security. These securities are shown at their current rate as of
June 30, 2026.
|
|
16
|
|
|
Government Cash Management Portfolio
|
|
(b)
|
Annualized yield at time of purchase; not a coupon rate.
|
|
(c)
|
Collateralized by:
|
|
Principal
Amount ($)
|
Security
|
Rate (%)
|
Maturity Date
|
Collateral
Value ($)
|
|
105,552,300
|
U.S. Treasury Notes
|
4.125
|
2/15/2036
|
104,965,776
|
|
310,850,263
|
Federal Home Loan
Mortgage Corporation
|
2.0-6.5
|
3/1/2041-6/1/2056
|
300,902,425
|
|
319,843,156
|
Federal National
Mortgage Association
|
2.5-6.5
|
5/1/2039-6/1/2063
|
317,595,999
|
|
43,741,621
|
Government National
Mortgage Association
|
4.0
|
10/20/2052
|
41,535,828
|
|
Total Collateral Value
|
765,000,028
|
|||
|
(d)
|
Collateralized by:
|
|
Principal
Amount ($)
|
Security
|
Rate (%)
|
Maturity Date
|
Collateral
Value ($)
|
|
904,339,000
|
U.S. Treasury Bills
|
Zero Coupon
|
7/7/2026-6/10/2027
|
887,400,445
|
|
20,574,900
|
U.S. Treasury Bonds
|
6.5-6.75
|
8/15/2026-11/15/2026
|
20,949,417
|
|
476,699,300
|
U.S. Treasury Notes
|
0.625-4.625
|
8/15/2026-6/30/2033
|
476,609,979
|
|
684,773,200
|
U.S. Treasury Inflation
Index Notes
|
0.125-1.875
|
10/15/2026-1/15/2036
|
826,250,046
|
|
87,690,895
|
U.S. Treasury STRIPS
|
Zero Coupon
|
8/15/2026-5/15/2053
|
53,190,185
|
|
Total Collateral Value
|
2,264,400,072
|
|||
|
(e)
|
Collateralized by:
|
|
Principal
Amount ($)
|
Security
|
Rate (%)
|
Maturity Date
|
Collateral
Value ($)
|
|
1,033,600
|
U.S. Treasury Bonds
|
1.75-5.25
|
11/15/2028-8/15/2047
|
1,066,506
|
|
800
|
U.S. Treasury Inflation
Index Notes
|
0.125
|
7/15/2031
|
914
|
|
39,814,000
|
U.S. Treasury Notes
|
1.25-4.625
|
7/31/2026-3/31/2031
|
39,732,581
|
|
Total Collateral Value
|
40,800,001
|
|||
|
(f)
|
Collateralized by:
|
|
Principal
Amount ($)
|
Security
|
Rate (%)
|
Maturity Date
|
Collateral
Value ($)
|
|
126,094,900
|
U.S. Treasury Notes
|
3.5
|
9/30/2027
|
126,276,088
|
|
(g)
|
Collateralized by:
|
|
Principal
Amount ($)
|
Security
|
Rate (%)
|
Maturity Date
|
Collateral
Value ($)
|
|
408,000,000
|
U.S. Treasury Notes
|
4.125
|
6/30/2031
|
408,000,000
|
|
Government Cash Management Portfolio
|
|
|
17
|
|
(h)
|
Collateralized by:
|
|
Principal
Amount ($)
|
Security
|
Rate (%)
|
Maturity Date
|
Collateral
Value ($)
|
|
3,042,428,000
|
U.S. Treasury Notes
|
1.25-4.25
|
2/28/2031-8/31/2032
|
2,860,307,612
|
|
500,112,900
|
U.S. Treasury Inflation
Index Notes
|
0.125-0.625
|
7/15/2031-7/15/2032
|
556,692,391
|
|
Total Collateral Value
|
3,417,000,003
|
|||
|
(i)
|
Collateralized by:
|
|
Principal
Amount ($)
|
Security
|
Rate (%)
|
Maturity Date
|
Collateral
Value ($)
|
|
3,232,744,500
|
U.S. Treasury Notes
|
3.5-3.625
|
9/30/2030-11/30/2030
|
3,162,000,000
|
|
(j)
|
Collateralized by:
|
|
Principal
Amount ($)
|
Security
|
Rate (%)
|
Maturity Date
|
Collateral
Value ($)
|
|
365,041,400
|
U.S. Treasury Notes
|
3.5
|
11/30/2030
|
357,000,000
|
|
(k)
|
Collateralized by:
|
|
Principal
Amount ($)
|
Security
|
Rate (%)
|
Maturity Date
|
Collateral
Value ($)
|
|
608,499,500
|
U.S. Treasury Notes
|
3.5
|
1/31/2028
|
612,000,000
|
|
(l)
|
Collateralized by:
|
|
Principal
Amount ($)
|
Security
|
Rate (%)
|
Maturity Date
|
Collateral
Value ($)
|
|
764,790,500
|
U.S. Treasury Notes
|
4.125
|
6/30/2028
|
765,000,053
|
|
(m)
|
Collateralized by:
|
|
Principal
Amount ($)
|
Security
|
Rate (%)
|
Maturity Date
|
Collateral
Value ($)
|
|
245,871,981
|
Federal Home Loan
Mortgage Corporation
|
0.0-6.5
|
2/25/2027-6/1/2056
|
173,168,261
|
|
695,385,739
|
Federal National
Mortgage Association
|
0.0-7.0
|
11/25/2027-2/25/2056
|
344,658,453
|
|
96,584,738
|
Government National
Mortgage Association
|
4.5-6.0
|
7/20/2052-6/20/2056
|
94,173,287
|
|
Total Collateral Value
|
612,000,001
|
|||
|
18
|
|
|
Government Cash Management Portfolio
|
|
(n)
|
Collateralized by:
|
|
Principal
Amount ($)
|
Security
|
Rate (%)
|
Maturity Date
|
Collateral
Value ($)
|
|
51,005,700
|
U.S. Treasury Bonds
|
1.125-5.25
|
2/15/2029-5/15/2054
|
38,650,200
|
|
3,100,100
|
U.S. Treasury Inflation
Index Notes
|
0.125-1.125
|
1/15/2030-10/15/2030
|
3,281,968
|
|
223,738,200
|
U.S. Treasury Notes
|
0.625-4.625
|
1/31/2027-2/15/2034
|
226,992,786
|
|
660,517,903
|
U.S. Treasury STRIPS
|
Zero Coupon
|
7/31/2026-5/15/2056
|
292,075,047
|
|
Total Collateral Value
|
561,000,001
|
|||
|
(o)
|
Collateralized by:
|
|
Principal
Amount ($)
|
Security
|
Rate (%)
|
Maturity Date
|
Collateral
Value ($)
|
|
3,014,000
|
U.S. Treasury Bonds
|
1.375-4.625
|
11/15/2040-5/15/2044
|
2,946,696
|
|
200
|
U.S. Treasury Floating
Rate Notes
|
3.875
|
1/31/2028
|
201
|
|
1,346,400
|
U.S. Treasury Inflation
Index Notes
|
0.125-1.625
|
10/15/2026-4/15/2031
|
1,620,516
|
|
24,904,400
|
U.S. Treasury Notes
|
0.875-4.625
|
10/15/2026-5/31/2033
|
24,779,358
|
|
70,574,595
|
U.S. Treasury STRIPS
|
Zero Coupon
|
5/15/2027-5/15/2056
|
67,451,229
|
|
Total Collateral Value
|
96,798,000
|
|||
|
(p)
|
Collateralized by:
|
|
Principal
Amount ($)
|
Security
|
Rate (%)
|
Maturity Date
|
Collateral
Value ($)
|
|
553,221,554
|
Federal National
Mortgage Association
|
2.5-7.5
|
10/1/2050-6/1/2055
|
507,960,000
|
|
(q)
|
Collateralized by:
|
|
Principal
Amount ($)
|
Security
|
Rate (%)
|
Maturity Date
|
Collateral
Value ($)
|
|
109,691,100
|
U.S. Treasury Bonds
|
3.625-4.625
|
2/15/2046-5/15/2053
|
102,000,037
|
|
(r)
|
Collateralized by:
|
|
Principal
Amount ($)
|
Security
|
Rate (%)
|
Maturity Date
|
Collateral
Value ($)
|
|
12,300,000
|
U.S. Treasury Bonds
|
4.75
|
5/15/2055
|
12,136,625
|
|
269,430,556
|
U.S. Treasury STRIPS
|
Zero Coupon
|
2/15/2040-8/15/2042
|
140,863,376
|
|
Total Collateral Value
|
153,000,001
|
|||
|
Government Cash Management Portfolio
|
|
|
19
|
|
(s)
|
Collateralized by:
|
|
Principal
Amount ($)
|
Security
|
Rate (%)
|
Maturity Date
|
Collateral
Value ($)
|
|
100
|
U.S. Treasury Bills
|
Zero Coupon
|
7/28/2026
|
100
|
|
625,294,700
|
U.S. Treasury Bonds
|
1.125-5.0
|
8/15/2040-11/15/2055
|
511,739,849
|
|
204,626,700
|
U.S. Treasury Inflation
Index Bonds
|
0.125-3.875
|
4/15/2029-2/15/2052
|
230,440,305
|
|
180,773,600
|
U.S. Treasury Inflation
Index Notes
|
1.625-2.375
|
10/15/2027-7/15/2034
|
191,912,199
|
|
1,602,253,900
|
U.S. Treasury Notes
|
0.5-4.875
|
7/31/2026-8/15/2035
|
1,566,677,673
|
|
275,885,743
|
U.S. Treasury STRIPS
|
Zero Coupon
|
5/15/2029-2/15/2049
|
123,954,588
|
|
Total Collateral Value
|
2,624,724,714
|
|||
|
(t)
|
Collateralized by:
|
|
Principal
Amount ($)
|
Security
|
Rate (%)
|
Maturity Date
|
Collateral
Value ($)
|
|
733,600
|
U.S. Treasury Bills
|
Zero Coupon
|
7/14/2026-8/27/2026
|
731,575
|
|
95,655,300
|
U.S. Treasury Bonds
|
1.375-4.0
|
5/15/2048-11/15/2052
|
55,295,479
|
|
300
|
U.S. Treasury Inflation
Index Bonds
|
0.125
|
2/15/2052
|
188
|
|
25,001,700
|
U.S. Treasury Notes
|
3.5-3.875
|
11/30/2027-2/15/2033
|
25,015,619
|
|
1,805
|
U.S. Treasury STRIPS
|
Zero Coupon
|
2/15/2034-2/15/2046
|
1,189
|
|
586,844,857
|
Federal Home Loan
Mortgage Corporation
|
1.5-7.0
|
3/1/2028-7/1/2056
|
577,750,203
|
|
307,834,714
|
Federal National
Mortgage Association
|
2.0-6.5
|
9/1/2033-6/1/2056
|
303,034,068
|
|
205,608,268
|
Government National
Mortgage Association
|
2.0-7.0
|
8/15/2028-10/20/2067
|
207,209,877
|
|
Total Collateral Value
|
1,169,038,198
|
|||
|
(u)
|
Collateralized by:
|
|
Principal
Amount ($)
|
Security
|
Rate (%)
|
Maturity Date
|
Collateral
Value ($)
|
|
315,807,125
|
U.S. Treasury Bonds
|
1.875-4.75
|
2/15/2038-11/15/2044
|
279,582,016
|
|
20
|
|
|
Government Cash Management Portfolio
|
|
(v)
|
Collateralized by:
|
|
Principal
Amount ($)
|
Security
|
Rate (%)
|
Maturity Date
|
Collateral
Value ($)
|
|
628,968,927
|
Federal National
Mortgage Association
|
1.5-7.5
|
10/1/2029-4/1/2059
|
614,346,000
|
|
SOFR:
|
Secured Overnight Financing Rate
|
|
STRIPS:
|
Separate Trading of Registered Interest and Principal Securities
|
|
Assets
|
Level 1
|
Level 2
|
Level 3
|
Total
|
|
Investments in Securities (a)
|
$-
|
$16,275,957,097
|
$-
|
$16,275,957,097
|
|
Repurchase Agreements
|
-
|
18,272,100,000
|
-
|
18,272,100,000
|
|
Total
|
$-
|
$34,548,057,097
|
$-
|
$34,548,057,097
|
|
(a)
|
See Investment Portfolio for additional detailed categorizations.
|
|
Government Cash Management Portfolio
|
|
|
21
|
|
Assets
|
|
|
Investments in non-affiliated securities, valued at amortized cost
|
$16,275,957,097
|
|
Repurchase agreements, valued at amortized cost
|
18,272,100,000
|
|
Cash
|
95,944
|
|
Interest receivable
|
40,225,463
|
|
Other assets
|
363,477
|
|
Total assets
|
34,588,741,981
|
|
Liabilities
|
|
|
Accrued investment advisory fee
|
1,648,964
|
|
Accrued Trustees' fees
|
77,879
|
|
Other accrued expenses and payables
|
1,480,138
|
|
Total liabilities
|
3,206,981
|
|
Net assets, at value
|
$34,585,535,000
|
|
22
|
|
|
Government Cash Management Portfolio
|
|
Investment Income
|
|
|
Income:
|
|
|
Interest
|
$563,667,436
|
|
Expenses:
|
|
|
Management fee
|
14,478,677
|
|
Administration fee
|
4,584,479
|
|
Custodian fee
|
64,508
|
|
Professional fees
|
212,124
|
|
Reports to shareholders
|
17,919
|
|
Trustees' fees and expenses
|
550,325
|
|
Other
|
668,576
|
|
Total expenses before expense reductions
|
20,576,608
|
|
Expense reductions
|
(5,645,150
)
|
|
Total expenses after expense reductions
|
14,931,458
|
|
Net investment income
|
548,735,978
|
|
Net realized gain (loss) from investments
|
(6
)
|
|
Net increase (decrease) in net assets resulting from operations
|
$548,735,972
|
|
Government Cash Management Portfolio
|
|
|
23
|
|
Six Months
Ended
June 30, 2026
|
Year Ended
December 31,
|
|
|
Increase (Decrease) in Net Assets
|
(Unaudited)
|
2025
|
|
Operations:
|
||
|
Net investment income
|
$548,735,978
|
$1,419,592,020
|
|
Net realized gain (loss)
|
(6
)
|
3,019,548
|
|
Net increase (decrease) in net assets resulting
from operations
|
548,735,972
|
1,422,611,568
|
|
Capital transactions in shares of beneficial interest:
|
||
|
Proceeds from capital invested
|
79,639,044,125
|
160,638,508,194
|
|
Value of capital withdrawn
|
(78,060,430,691
)
|
(161,869,430,071
)
|
|
Net increase (decrease) in net assets from capital
transactions in shares of beneficial interest
|
1,578,613,434
|
(1,230,921,877
)
|
|
Increase (decrease) in net assets
|
2,127,349,406
|
191,689,691
|
|
Net assets at beginning of period
|
32,458,185,594
|
32,266,495,903
|
|
Net assets at end of period
|
$34,585,535,000
|
$32,458,185,594
|
|
24
|
|
|
Government Cash Management Portfolio
|
|
Government Cash Management Portfolio
|
||||||
|
Six Months
Ended 6/30/26
|
Years Ended December 31,
|
|||||
|
(Unaudited)
|
2025
|
2024
|
2023
|
2022
|
2021
|
|
|
Ratios to Average Net Assets and Supplemental Data
|
||||||
|
Net assets, end of period
($ millions)
|
34,586
|
32,458
|
32,266
|
37,970
|
32,214
|
33,649
|
|
Ratio of expenses before
expense reductions (%)
|
.13
*
|
.13
|
.13
|
.13
|
.14
|
.13
|
|
Ratio of expenses after
expense reductions (%)
|
.10
a*
|
.11
a
|
.11
a
|
.09
|
.06
|
.03
|
|
Ratio of net investment
income (%)
|
3.59
*
|
4.17
|
5.09
|
5.00
|
1.67
|
.03
|
|
Total Return (%)b,c
|
1.80
**
|
4.26
|
5.23
|
5.08
|
1.62
|
.03
|
|
a
|
The ratio of expenses would have been .04%, .02% and .02% higher had the Advisor
not voluntarily waived or reimbursed certain operating expenses for the periods ended
June 30, 2026, December 31, 2025 and December 31, 2024, respectively.
|
|
b
|
Total return for the Portfolio was derived from the performance of DWS Government
Money Market Series.
|
|
c
|
Total return would have been lower had certain expenses not been reduced.
|
|
*
|
Annualized
|
|
**
|
Not annualized
|
|
Government Cash Management Portfolio
|
|
|
25
|
|
26
|
|
|
Government Cash Management Portfolio
|
|
Government Cash Management Portfolio
|
|
|
27
|
|
28
|
|
|
Government Cash Management Portfolio
|
|
First $3.0 billion of the Portfolio's average daily net assets
|
.1200%
|
|
Next $4.5 billion of such net assets
|
.1025%
|
|
Over $7.5 billion of such net assets
|
.0900%
|
|
Government Cash Management Portfolio
|
|
|
29
|
|
30
|
|
|
Government Cash Management Portfolio
|
|
DWS Government Money Market Series
|
|
|
31
|
|
32
|
|
|
DWS Government Money Market Series
|
|
DWS Government Money Market Series
|
|
|
33
|
|
34
|
|
|
DWS Government Money Market Series
|
|
DWS Government Money Market Series
|
|
|
35
|
| (b) The Financial Highlights are included with the Financial Statements under Item 7(a). | ||
| 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. | |
| See Item 7(a) | ||
| Item 11. | Statement Regarding Basis for Approval of Investment Advisory Contract. | |
| See Item 7(a) | ||
| 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 Fund's Board. The primary function of the Nominating and Governance Committee is to identify and recommend individuals for membership on the Board and oversee the administration of the Board Governance Guidelines. Shareholders may recommend candidates for Board positions by forwarding their correspondence by U.S. mail or courier service to Keith R. Fox, DWS Funds Board Chair, c/o Thomas R. Hiller, Ropes & Gray LLP, Prudential Tower, 800 Boylston Street, Boston, MA 02199-3600. | ||
| Item 16. | Controls and Procedures. | |
| (a) | The Chief Executive and Financial Officers concluded that the Registrant's Disclosure Controls and Procedures are effective based on the evaluation of the Disclosure Controls and Procedures as of a date within 90 days of the filing date of this report. | |
| (b) | There have been no changes 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 controls 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) | Certification pursuant to Rule 30a-2(a) under the Investment Company Act of 1940 (17 CFR 270.30a-2(a)) is filed and 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)) is furnished and 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: | Government Cash Management Portfolio |
| By: |
/s/Hepsen Uzcan Hepsen Uzcan Principal Executive Officer |
| Date: | 8/28/2026 |
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: |
/s/Hepsen Uzcan Hepsen Uzcan Principal Executive Officer |
| Date: | 8/28/2026 |
| By: |
/s/Diane Kenneally Diane Kenneally Principal Financial Officer |
| Date: | 8/28/2026 |