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CPSO — Calamos ETF Tr Institutional Holders · Q2 2026

Who owns Calamos ETF Tr (CPSO)? 23 institutions reported holding $16.09M in SEC 13F filings for Q2 2026 (period ended 2026-06-30). Largest holders: Calamos Advisors LLC ($9.6M), Susquehanna International Group, LLP ($1.6M), Commonwealth Equity Services, LLC ($669,880).

RankInstitutionValueSharesChange
1Calamos Advisors LLC$9.6M344,453Trimmed
2SUSQUEHANNA INTERNATIONAL GROUP, LLP$1.6M57,083Added
3COMMONWEALTH EQUITY SERVICES, LLC$669,88024,062Hold
4Blue Water Asset Management$570,19120,481Trimmed
5Calamos Wealth Management LLC$553,09719,867Trimmed
6Rooted Wealth Advisors, Inc.$347,61012,486Hold
7Grantvest Financial Group LLC$330,96211,888Trimmed
8HARBOUR INVESTMENTS, INC.$320,41111,509Trimmed
9OLD MISSION CAPITAL LLC$319,38011,472Trimmed
10Cambridge Investment Research Advisors, Inc.$317,00011,385Hold
11Capital Analysts, LLC$310,00011,151Hold
12ACTION POINT FINANCIAL PLANNING, LLC$307,60411,049New
13Sloy Dahl & Holst, LLC$299,00210,740Hold
14Security Financial Services, INC.$282,07510,132Hold
15Spire Wealth Management$66,8442,401Hold
16OSAIC HOLDINGS, INC.$56,9602,046Hold
17MORGAN STANLEY$55,6802,000Hold
18TUCKER ASSET MANAGEMENT LLC$49,6111,782New
19Regatta Research & Money Management$29,9561,076New
20CREATIVE FINANCIAL DESIGNS INC /ADV$13,697492Trimmed
21New England Capital Financial Advisors LLC$11,359408Hold
22Advisory Services Network, LLC$00Exited
23LeClair Wealth Partners LLC$00Exited

Source: SEC Form 13F filings · as of 2026-06-30