Who owns Calamos Russell 2000 Structured Alt Protection ETF – April?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of CPRA from SEC Form 13F filings across 9 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.
As of the 2026-06-30 reporting period, 9 institutions disclosed 272,831 shares of Calamos Russell 2000 Structured Alt Protection ETF – April worth $4.9M — about 99.8% of shares outstanding; the largest disclosed holder is CENTAURUS FINANCIAL, INC.. Source: SEC Form 13F filings, parsed by EvidInvest.
9
13F holders
$4.9M
value, 2026 filers
99.8%
of shares outstanding (272,831 sh)
3
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 CPRA's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | CENTAURUS FINANCIAL, INC. | 91,422 | $2,529 | 0.0% | 33.4% | +1099.6% |
| 2 | HARBOUR INVESTMENTS, INC.NEW | 89,974 | $2.5M | 0.0% | 32.9% | new |
| 3 | STOLZ & ASSOCIATES, PS | 37,060 | $1.0M | 0.6% | 13.6% | 0.0% |
| 4 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 23,902 | $661,129 | 0.0% | 8.7% | +20.7% |
| 5 | Calamos Wealth Management LLC | 22,485 | $621,935 | 0.0% | 8.2% | -0.1% |
| 6 | Capital Analysts, LLC | 4,762 | $132 | 0.0% | 1.7% | 0.0% |
| 7 | UBS Group AG | 1,380 | $38,171 | 0.0% | 0.5% | -26.6% |
| 8 | BURKETT FINANCIAL SERVICES, LLCNEW | 1,325 | $36,649 | 0.0% | 0.5% | new |
| 9 | CREATIVE FINANCIAL DESIGNS INC /ADVNEW | 521 | $14,411 | 0.0% | 0.2% | 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.