CALAMOS ETF TR S&P 500 STR MARC is a security (CUSIP 12811T761) tracked across SEC portfolio filings. 21 institutional managers reported $16.4M on Form 13F as of 2026-06-30.
Showing 15 of 21 managers by value.
| Manager | Location | Value | Shares |
|---|---|---|---|
| Calamos Advisors LLC | NAPERVILLE, IL | $9.6M | 371,322 |
| Calamos Wealth Management LLC | NAPERVILLE, IL | $1.9M | 72,288 |
| COMMONWEALTH EQUITY SERVICES, LLC | WALTHAM, MA | $718K | 27,797 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | BALA CYNWYD, PA | $713K | 28,207 |
| Farther Finance Advisors, LLC | SAN FRANCISCO, CA | $463K | 17,921 |
| Blue Water Asset Management | GRAND RAPIDS, MI | $431K | 16,665 |
| Fortitude Advisory Group L.L.C. | GIG HARBOR, WA | $393K | 15,189 |
| STOLZ & ASSOCIATES, PS | TACOMA, WA | $296K | 11,455 |
| Cetera Investment Advisers | SCHAUMBURG, IL | $293K | 11,580 |
| JIM SAULNIER & ASSOCIATES, LLC | FORT COLLINS, CO | $282K | 10,901 |
| ADAMSBROWN WEALTH CONSULTANTS LLC | GREAT BEND, KS | $276K | 10,665 |
| Garden State Investment Advisory Services LLC | Red Bank, NJ | $268K | 10,605 |
| JANE STREET GROUP, LLC | NEW YORK, NY | $253K | 10,008 |
| Waverly Advisors, LLC | BIRMINGHAM, AL | $244K | 9,660 |
| MML INVESTORS SERVICES, LLC | SPRINGFIELD, MA | $201K | 7,935 |