9 institutions reported holding $2.7M of CALAMOS ETF TR (CBXA) in SEC 13F filings for 2026-03-31. Largest institutional holders: SUSQUEHANNA INTERNATIONAL GROUP, LLP ($691,819), TITLEIST ASSET MANAGEMENT, LLC ($590,725), JANE STREET GROUP, LLC ($572,009), OLD MISSION CAPITAL LLC ($377,290), Calamos Advisors LLC ($346,247). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $691,819 | 31,493 | New |
| 2 | TITLEIST ASSET MANAGEMENT, LLC | $590,725 | 26,891 | Trimmed |
| 3 | JANE STREET GROUP, LLC | $572,009 | 26,039 | Trimmed |
| 4 | OLD MISSION CAPITAL LLC | $377,290 | 17,175 | Added |
| 5 | Calamos Advisors LLC | $346,247 | 15,760 | Hold |
| 6 | IFP Advisors, Inc | $102,478 | 4,665 | New |
| 7 | Advisory Services Network, LLC | $36,027 | 1,640 | New |
| 8 | Ankerstar Wealth, LLC | $6,261 | 285 | Trimmed |
| 9 | UBS Group AG | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31