Amendment to Monthly Portfolio Investments Report Form NPORT P/A

Item A.1. Information about the Registrant.

a. Name of Registrant	Calamos ETF Trust
b. Investment Company Act file number for Registrant: (e.g., 811-______)	811-22887
c. CIK number of Registrant	0001579881
d. LEI of Registrant	549300B2KP9WEFDULJ54

e. Address and telephone number of Registrant.

Street Address 1	2020 CALAMOS COURT
Street Address 2
City	NAPERVILLE
State, if applicable
Foreign country, if applicable
Zip / Postal Code	60563
Telephone number	630-245-7200

Item A.2. Information about the Series.

a. Name of Series.	Calamos Convertible Equity Alternative ETF
b. EDGAR series identifier (if any).	S000081270
c. LEI of Series.	5493000KIH3OQMJM3V23

Item A.3. Reporting period.

a. Date of fiscal year-end.	2024-07-31
b. Date as of which information is reported.	2024-04-30

Item A.4. Final filing

Does the Fund anticipate that this will be its final filing on Form N PORT?

Yes No

Report the following information for the Fund and its consolidated subsidiaries.

Item B.1. Assets and liabilities. Report amounts in U.S. dollars.

a. Total assets, including assets attributable to miscellaneous securities reported in Part D.	14514599.10
b. Total liabilities.	7604.18
c. Net assets.	13147085.42

Item B.2. Certain assets and liabilities. Report amounts in U.S. dollars.

a. Assets attributable to miscellaneous securities reported in Part D.	0.00000000
b. Assets invested in a Controlled Foreign Corporation for the purpose of investing in certain types of instruments such as, but not limited to, commodities.	0.00000000

c. Borrowings attributable to amounts payable for notes payable, bonds, and similar debt, as reported pursuant to rule 6-04(13)(a) of Regulation S-X [17 CFR 210.6-04(13)(a)].

Amounts payable within one year.
Banks or other financial institutions for borrowings.	0.00000000
Controlled companies.	0.00000000
Other affiliates.	0.00000000
Others.	0.00000000
Amounts payable after one year.
Banks or other financial institutions for borrowings.	0.00000000
Controlled companies.	0.00000000
Other affiliates.	0.00000000
Others.	0.00000000

d. Payables for investments purchased either (i) on a delayed delivery, when-issued, or other firm commitment basis, or (ii) on a standby commitment basis.

(i) On a delayed delivery, when-issued, or other firm commitment basis:	0.00000000
(ii) On a standby commitment basis:	0.00000000
e. Liquidation preference of outstanding preferred stock issued by the Fund.	0.00000000
f. Cash and cash equivalents not reported in Parts C and D.	179348.56000000

Item B.3. Portfolio level risk metrics.

If the average value of the Fund's debt securities positions for the previous three months, in the aggregate, exceeds 25% or more of the Fund's net asset value, provide:

Currency Metric: 1
ISO Currency code	United States Dollar

a. Interest Rate Risk (DV01). For each currency for which the Fund had a value of 1% or more of the Fund's net asset value, provide the change in value of the portfolio resulting from a 1 basis point change in interest rates, for each of the following maturities: 3 month, 1 year, 5 years, 10 years, and 30 years.

Maturity period.
3 month.	-5.80000000
1 year.	-172.74000000
5 years.	-415.24000000
10 years.	-0.32000000
30 years.	0.00000000

b. Interest Rate Risk (DV100). For each currency for which the Fund had a value of 1% or more of the Fund's net asset value, provide the change in value of the portfolio resulting from a 100 basis point change in interest rates, for each of the following maturities: 3 month, 1 year, 5 years, 10 years, and 30 years.

Maturity period.
3 month.	-578.09000000
1 year.	-17002.14000000
5 years.	-39761.79000000
10 years.	-31.60000000
30 years.	0.00000000

c. Credit Spread Risk (SDV01, CR01 or CS01). Provide the change in value of the portfolio resulting from a 1 basis point change in credit spreads where the shift is applied to the option adjusted spread, aggregated by investment grade and non-investment grade exposures, for each of the following maturities: 3 month, 1 year, 5 years, 10 years, and 30 years.

Investment grade.
Maturity period.
3 month.	-1.39000000
1 year.	-124.94000000
5 years.	-1.38000000
10 years.	0.00000000
30 years.	0.00000000
Non-Investment grade.
Maturity period.
3 month.	-43.88000000
1 year.	-975.42000000
5 years.	-1288.13000000
10 years.	-0.38000000
30 years.	0.00000000

For purposes of Item B.3., calculate value as the sum of the absolute values of:
(i) the value of each debt security,
(ii) the notional value of each swap, including, but not limited to, total return swaps, interest rate swaps, and credit default swaps, for which the underlying reference asset or assets are debt securities or an interest rate;
(iii) the notional value of each futures contract for which the underlying reference asset or assets are debt securities or an interest rate; and
(iv) the delta-adjusted notional value of any option for which the underlying reference asset is an asset described in clause (i),(ii), or (iii).

Report zero for maturities to which the Fund has no exposure. For exposures that fall between any of the listed maturities in (a) and (b), use linear interpolation to approximate exposure to each maturity listed above. For exposures outside of the range of maturities listed above, include those exposures in the nearest maturity.

Item B.4. Securities lending.

a. For each borrower in any securities lending transaction, provide the following information:

Borrower Information Record: 1
i. Name of borrower.	WELLS FARGO SECURITIES, LLC
ii. LEI (if any) of borrower	VYVVCKR63DVZZN70PB21
iii. Aggregate value of all securities on loan to the borrower.	810147.93000000
Borrower Information Record: 2
i. Name of borrower.	BOFA SECURITIES, INC.
ii. LEI (if any) of borrower	549300HN4UKV1E2R3U73
iii. Aggregate value of all securities on loan to the borrower.	484912.32000000
Borrower Information Record: 3
i. Name of borrower.	UBS AG
ii. LEI (if any) of borrower	BFM8T61CT2L1QCEMIK50
iii. Aggregate value of all securities on loan to the borrower.	19723.00000000

b. Did any securities lending counterparty provide any non-cash collateral?

Yes No

Item B.5. Return information.

a. Monthly total returns of the Fund for each of the preceding three months. If the Fund is a Multiple Class Fund, report returns for each class. Such returns shall be calculated in accordance with the methodologies outlined in Item 26(b) (1) of Form N-1A, Instruction 13 to sub-Item 1 of Item 4 of Form N-2, or Item 26(b) (i) of Form N-3, as applicable.

Monthly Total Return Record: 1
Monthly total returns of the Fund for each of the preceding three months - Month 1.	3.54000000
Monthly total returns of the Fund for each of the preceding three months - Month 2.	2.47000000
Monthly total returns of the Fund for each of the preceding three months - Month 3.	-5.46000000
b. Class identification number(s) (if any) of the Class(es) for which returns are reported.	C000243953

c. For each of the preceding three months, monthly net realized gain (loss) and net change in unrealized appreciation (or depreciation) attributable to derivatives for each of the following categories: commodity contracts, credit contracts, equity contracts, foreign exchange contracts, interest rate contracts, and other contracts. Within each such asset category, further report the same information for each of the following types of derivatives instrument: forward, future, option, swaption, swap, warrant, and other. Report in U.S. dollars. Losses and depreciation shall be reported as negative numbers.

Asset category.

d. For each of the preceding three months, monthly net realized gain (loss) and net change in unrealized appreciation (or depreciation) attributable to investment other than derivatives. Report in U.S. dollars. Losses and depreciation shall be reported as negative numbers.
Month 1

Monthly net realized gain(loss) - Month 1	-54240.35000000
Monthly net change in unrealized appreciation (or depreciation) - Month 1	682074.85000000

Month 2
Monthly net realized gain(loss) - Month 2	8474.82000000
Monthly net change in unrealized appreciation (or depreciation) - Month 2	286840.74000000

Month 3
Monthly net realized gain(loss) - Month 3	42964.05000000
Monthly net change in unrealized appreciation (or depreciation) - Month 3	-809981.23000000

Item B.6. Flow information.

Provide the aggregate dollar amounts for sales and redemptions/repurchases of Fund shares during each of the preceding three months. If shares of the Fund are held in omnibus accounts, for purposes of calculating the Fund's sales, redemptions, and repurchases, use net sales or redemptions/repurchases from such omnibus accounts. The amounts to be reported under this Item should be after any front-end sales load has been deducted and before any deferred or contingent deferred sales load or charge has been deducted. Shares sold shall include shares sold by the Fund to a registered unit investment trust. For mergers and other acquisitions, include in the value of shares sold any transaction in which the Fund acquired the assets of another investment company or of a personal holding company in exchange for its own shares. For liquidations, include in the value of shares redeemed any transaction in which the Fund liquidated all or part of its assets. Exchanges are defined as the redemption or repurchase of shares of one Fund or series and the investment of all or part of the proceeds in shares of another Fund or series in the same family of investment companies.

Month 1

a. Total net asset value of shares sold (including exchanges but excluding reinvestment of dividends and distributions).	0.00000000
b. Total net asset value of shares sold in connection with reinvestments of dividends and distributions.	0.00000000
c. Total net asset value of shares redeemed or repurchased, including exchanges.	0.00000000

Month 2

a. Total net asset value of shares sold (including exchanges but excluding reinvestment of dividends and distributions).	0.00000000
b. Total net asset value of shares sold in connection with reinvestments of dividends and distributions.	0.00000000
c. Total net asset value of shares redeemed or repurchased, including exchanges.	5411567.80000000

Month 3

a. Total net asset value of shares sold (including exchanges but excluding reinvestment of dividends and distributions).	0.00000000
b. Total net asset value of shares sold in connection with reinvestments of dividends and distributions.	0.00000000
c. Total net asset value of shares redeemed or repurchased, including exchanges.	0.00000000

Item B.7. Highly Liquid Investment Minimum information.

a. If applicable, provide the Fund's current Highly Liquid Investment Minimum.
b. If applicable, provide the number of days that the Fund's holdings in Highly Liquid Investments fell below the Fund's Highly Liquid Investment Minimum during the reporting period.
c. Did the Fund's Highly Liquid Investment Minimum change during the reporting period?	Yes No N/A

Item B.8. Derivatives Transactions.

For portfolio investments of open-end management investment companies, provide the percentage of the Fund's Highly Liquid Investments that it has segregated to cover or pledged to satisfy margin requirements in connection with derivatives transactions that are classified among the following categories as specified in rule 22e-4 [17 CFR 270.22e-4]:

(1) Moderately Liquid Investments
(2) Less Liquid Investments
(3) Illiquid Investments
Classification

The Fund may provide any information it believes would be helpful in understanding the information reported in response to any Item of this Form. The Fund may also explain any assumptions that it made in responding to any Item of this Form. To the extent responses relate to a particular Item, provide the Item number(s), as applicable.

Note Item

B.5.a

Explanatory Notes

Monthly returns presented in Item B.5(a) have been calculated without deducting any applicable sales loads or redemption fees.

The Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Registrant:	Calamos ETF Trust
By (Signature):	Stephen Atkins
Name:	Stephen Atkins
Title:	Treasurer
Date:	2024-11-08