CBOA — Calamos ETF Tr Institutional Holders · Q2 2026
Who owns Calamos ETF Tr (CBOA)? 5 institutions reported holding $2.83M in SEC 13F filings for Q2 2026 (period ended 2026-06-30). Largest holders: Jane Street Group, LLC ($1.6M), Old Mission Capital LLC ($635,519), Calamos Advisors LLC ($579,821).
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | JANE STREET GROUP, LLC | $1.6M | 67,443 | Added |
| 2 | OLD MISSION CAPITAL LLC | $635,519 | 26,563 | Trimmed |
| 3 | Calamos Advisors LLC | $579,821 | 24,240 | Added |
| 4 | Ankerstar Wealth, LLC | $3,445 | 144 | Trimmed |
| 5 | Legacy Wealth Managment, LLC/ID | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30