23 institutions reported holding $5.8M of CALAMOS ETF TR (CBOJ) in SEC 13F filings for 2026-03-31. Largest institutional holders: SUSQUEHANNA INTERNATIONAL GROUP, LLP ($1.3M), HARBOUR INVESTMENTS, INC. ($764,927), EVEXIA WEALTH LLC ($647,133), OLD MISSION CAPITAL LLC ($628,308), Calamos Advisors LLC ($565,369). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $1.3M | 53,598 | Added |
| 2 | HARBOUR INVESTMENTS, INC. | $764,927 | 32,211 | Trimmed |
| 3 | EVEXIA WEALTH LLC | $647,133 | 27,071 | Added |
| 4 | OLD MISSION CAPITAL LLC | $628,308 | 26,458 | Trimmed |
| 5 | Calamos Advisors LLC | $565,369 | 23,805 | Added |
| 6 | Markin Asset Management, LP | $363,430 | 15,304 | Trimmed |
| 7 | ATX Financial Planning, LLC | $355,230 | 14,959 | Trimmed |
| 8 | GOLDMAN SACHS GROUP INC | $251,414 | 10,587 | New |
| 9 | PFG Advisors | $249,348 | 10,500 | New |
| 10 | Moors & Cabot, Inc. | $206,602 | 8,700 | Trimmed |
| 11 | Sigma Planning Corp | $203,563 | 8,572 | New |
| 12 | Ankerstar Wealth, LLC | $194,088 | 8,173 | Added |
| 13 | CENTAURUS FINANCIAL, INC. | $104,000 | 4,392 | Hold |
| 14 | Farther Finance Advisors, LLC | $3,921 | 165 | Trimmed |
| 15 | DHJJ Financial Advisors, Ltd. | $190 | 8 | Hold |
| 16 | IFP Advisors, Inc | $0 | 0 | Exited |
| 17 | Camelot Portfolios, LLC | $0 | 0 | Exited |
| 18 | Ausdal Financial Partners, Inc. | $0 | 0 | Exited |
| 19 | Kestra Advisory Services, LLC | $0 | 0 | Exited |
| 20 | UBS Group AG | $0 | 0 | Exited |
| 21 | NewEdge Advisors, LLC | $0 | 0 | Exited |
| 22 | Delta Investment Management, LLC | $0 | 0 | Exited |
| 23 | Truvestments Capital LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31