Who owns Calamos Antetokounmpo Global Sustainable Equities ETF?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of SROI from SEC Form 13F filings across 10 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, 10 institutions disclosed 227,541 shares of Calamos Antetokounmpo Global Sustainable Equities ETF worth $8.5M — about 45.2% of shares outstanding; the largest disclosed holder is Arlington Financial Advisors, LLC. Source: SEC Form 13F filings, parsed by EvidInvest.
10
13F holders
$8.5M
value, 2026 filers
45.2%
of shares outstanding (227,541 sh)
2
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 SROI's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | Arlington Financial Advisors, LLC | 153,958 | $5.8M | 0.7% | 30.6% | -0.3% |
| 2 | JANE STREET GROUP, LLC | 32,070 | $1.2M | 0.0% | 6.4% | -15.5% |
| 3 | OSAIC HOLDINGS, INC. | 18,440 | $690,165 | 0.0% | 3.7% | +63.3% |
| 4 | Calamos Wealth Management LLC | 10,130 | $379,166 | 0.0% | 2% | 0.0% |
| 5 | CITADEL ADVISORS LLC | 6,465 | $241,961 | 0.0% | 1.3% | -88.1% |
| 6 | SITTNER & NELSON, LLC | 6,393 | $239,267 | 0.1% | 1.3% | 0.0% |
| 7 | HARBOUR INVESTMENTS, INC. | 30 | $1,123 | 0.0% | 0% | 0.0% |
| 8 | City State Bank | 20 | $749 | 0.0% | 0% | 0.0% |
| 9 | UBS Group AGNEW | 20 | $749 | 0.0% | 0% | new |
| 10 | SBI Securities Co., Ltd.NEW | 15 | $561 | 0.0% | 0% | 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.