Who owns Calamos S&P 500 Structured Alt Protection ETF – July?
Institutional ownership of CPSJ from SEC Form 13F filings across 20 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
20
13F holders
$11.4M
value, 2026 filers
29.5%
of shares outstanding (439,591 sh)
4
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30· % of fund = share of the manager's own book · % of co. = share of CPSJ's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 93,360 | $2.6M | 0.0% | 6.3% | +341.6% |
| 2 | OSAIC HOLDINGS, INC. | 66,868 | $1.9M | 0.0% | 4.5% | +32.9% |
| 3 | Cetera Investment Advisers | 55,451 | $1.5M | 0.0% | 3.7% | 0.0% |
| 4 | COMMONWEALTH EQUITY SERVICES, LLC | 37,359 | $1.0M | 0.0% | 2.5% | -3.2% |
| 5 | Grantvest Financial Group LLC | 34,244 | $947,360 | 0.5% | 2.3% | -34.5% |
| 6 | Capital Analysts, LLC | 25,772 | $713 | 0.0% | 1.7% | -6.0% |
| 7 | HighTower Advisors, LLC | 19,484 | $539,025 | 0.0% | 1.3% | 0.0% |
| 8 | BANK OF AMERICA CORP /DE/NEW | 19,172 | $530,393 | 0.0% | 1.3% | new |
| 9 | OLD MISSION CAPITAL LLC | 17,573 | $486,157 | 0.0% | 1.2% | -23.5% |
| 10 | Ellis Investment Partners, LLC | 11,556 | $319,721 | 0.0% | 0.8% | 0.0% |
| 11 | PFG Advisors | 10,925 | $302,240 | 0.0% | 0.7% | 0.0% |
| 12 | CAP Partners, LLC | 10,790 | $298,505 | 0.1% | 0.7% | -4.4% |
| 13 | Sound Income Strategies, LLC | 9,465 | $261,849 | 0.0% | 0.6% | +30.3% |
| 14 | Sigma Planning Corp | 8,351 | $231,030 | 0.0% | 0.6% | 0.0% |
| 15 | Vestmark Advisory Solutions, Inc.NEW | 8,340 | $230,726 | 0.0% | 0.6% | new |
| 16 | FIDUCIARY FINANCIAL ADVISORSNEW | 3,307 | $91,461 | 0.0% | 0.2% | new |
| 17 | JPMORGAN CHASE & CO | 2,823 | $78,112 | 0.0% | 0.2% | -59.2% |
| 18 | NBZ Investment Advisors LLC | 2,033 | $56,243 | 0.0% | 0.1% | 0.0% |
| 19 | BURKETT FINANCIAL SERVICES, LLC | 1,678 | $46,421 | 0.0% | 0.1% | 0.0% |
| 20 | ASSETMARK, INCNEW | 1,040 | $28,772 | 0.0% | 0.1% | new |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.