Who Owns Calamos S&P 500 Structured Alt Protection ETF – February (CPSF)?Hedge Fund & Institutional Holders

$25.63+0.01 (+0.04%)Financial ServicesNYSE_ARCA

Institutional Holders

21

as of Q4 2025

Total Institutional Value

$7.77100016280006e+64T

% of Float Held

—

QoQ Change in Holders

+9 / -0

Price History

$23.55$24.11$24.67$25.24$25.80Feb 25Aug 25Mar 26

CPSF — Biggest New Institutional Buyers This Quarter

FundActionShares AddedValue Added
Calamos Advisors LLCNew Position+304K+$7.8B
Calamos Wealth Management LLCNew Position+64K+$1.6B
JIM SAULNIER & ASSOCIATES, LLCNew Position+24K+$606.0M
OLD MISSION CAPITAL LLCNew Position+9K+$231.0M
Sarver Vrooman Wealth AdvisorsNew Position+1K+$25.0M
UBS Group AGIncreased+853+$21.7M
New England Capital Financial Advisors LLCNew Position+398+$10.0M
GREENBERG FINANCIAL GROUPNew Position+13K+$336K
CREATIVE FINANCIAL DESIGNS INC /ADVIncreased+13+$109K
OSAIC HOLDINGS, INC.New Position+970+$0
COMMONWEALTH EQUITY SERVICES, LLCNew Position+23K+$0
SUSQUEHANNA INTERNATIONAL GROUP, LLPIncreased+8K+$-794.2M

CPSF — Institutions Reducing or Closing Positions

FundActionShares SoldValue Sold
Atria Investments, IncDecreased-8K-$395.4M
HARBOUR INVESTMENTS, INC.Decreased-9K-$304.7M

Top Institutional Holders(Q4 2025)

#FundSharesValue% of PortfolioType
1Calamos Advisors LLC303,694$7.8B29.19%Share
2Calamos Wealth Management LLC63,625$1.6B0.06%Share
3JIM SAULNIER & ASSOCIATES, LLC23,714$606.0M0.31%Share
4PFG Advisors15,100$386.0M0.02%Share
5Camelot Portfolios, LLC10,431$266.0M0.16%Share
6OLD MISSION CAPITAL LLC9,037$231.0M0.01%Share
7Sarver Vrooman Wealth Advisors1,000$25.0M0.01%Share
8UBS Group AG984$25.0M0.00%Share
9CREATIVE FINANCIAL DESIGNS INC /ADV764$19.0M0.00%Share
10New England Capital Financial Advisors LLC398$10.0M0.00%Share
11Capital Analysts, LLC20,712$530K0.02%Share
12GREENBERG FINANCIAL GROUP13,169$336K0.14%Share
13HARBOUR INVESTMENTS, INC.3,090$79K0.00%Share
14Atria Investments, Inc8,099$00.00%Share
15COMMONWEALTH EQUITY SERVICES, LLC22,923$00.00%Share
16Aptus Capital Advisors, LLC2,072$00.00%Share
17CENTAURUS FINANCIAL, INC.10,112$00.00%Share
18RAYMOND JAMES FINANCIAL INC9,318$00.00%Share
19SUSQUEHANNA INTERNATIONAL GROUP, LLP20,749$00.00%Share
20OSAIC HOLDINGS, INC.970$00.00%Share
21SUSQUEHANNA INTERNATIONAL GROUP, LLP18,339$00.00%Share

CPSF Institutional Ownership History

QuarterHoldersTotal ValueChange
Q4 202520$11.0B+9
Q3 202511$2.4B-5
Q2 202516$13.1B+3
Q1 202513$11.7B—

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As of Q4 2025, 21 institutional investors hold CPSF (Calamos S&P 500 Structured Alt Protection ETF – February). The largest holder is Calamos Advisors LLC with $7.8B in shares. This quarter, 9 institutions opened new positions and 0 closed their positions.

Frequently Asked Questions

How many hedge funds own CPSF?

As of Q4 2025, 21 institutional investors report holding CPSF (Calamos S&P 500 Structured Alt Protection ETF – February) in their 13F filings.

Who is the largest institutional holder of CPSF?

The largest institutional holder of CPSF is Calamos Advisors LLC with $7.8B in shares.

Is institutional ownership of CPSF increasing or decreasing?

This quarter, 9 institutions opened new positions in CPSF and 0 closed their positions.