CPSR

Calamos S&P 500 Structured Alt Protection ETF - March

Financial Services · USD

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26.25 USD -0.05 -0.19%

As of Oct 30, 2026 Extended hours 26.26 +0.02%

26.25 Day range 26.25

24.80 52-week range 26.31

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Updated 2026-10-26

Held by insiders 0.00%

Held by institutions 0.00%

Float held by institutions 0.00%

Institutions 0

Top institutional holders
Holder	% held	Shares	Value	Reported
Citadel Advisors LLC	5.93%	1,636,394	16.23M	Sep 29, 2021
Periscope Capital Inc.	5.26%	1,450,761	14.39M	Sep 29, 2021
Aristeia Capital, LLC	5.12%	1,412,642	14.01M	Sep 29, 2021
Marshall Wace LLP	4.36%	1,202,643	11.93M	Sep 29, 2021
Omni Partners US LLC	3.44%	950,377	9.43M	Sep 29, 2021
Glazer Capital LLC	3.36%	927,396	9.20M	Sep 29, 2021

Top mutual fund holders
Holder	% held	Shares	Value	Reported
Merger Fund, The	1.55%	428,525	4.25M	Sep 29, 2021
First Tr Exchange Traded Fd-First Trust Merger Arbitrage Fd	0.28%	78,008	773.84K	Sep 29, 2021
WCM Alternatives Event Driven Fd	0.25%	68,120	675.75K	Sep 29, 2021
Collaborative Inv Ser Tr-SPAC and New Issue ETF	0.17%	46,308	459.38K	Sep 29, 2021
JNL Series Trust-JNL/Westchester Capital Event Driven Fund	0.09%	25,714	255.08K	Sep 29, 2021
Brinker Capital Destinations Tr-Destinations Low Duration Fixed Inc Fd	0.06%	17,480	172.88K	Aug 30, 2021

No insider holdings on record

Funds holding CPSR, by value held
Fund	Value held	Weight in fund
CPSL	$13.61M	8.32%

Calamos S&P 500 Structured Alt Protection ETF – March