CALAMOS ETF TR S&P 500 STR SEPT is a security (CUSIP 12811T886) tracked across SEC portfolio filings. 20 institutional managers reported $19.7M on Form 13F as of 2026-06-30.
Showing 15 of 20 managers by value.
| Manager | Location | Value | Shares |
|---|---|---|---|
| Calamos Advisors LLC | NAPERVILLE, IL | $9.6M | 345,128 |
| OSAIC HOLDINGS, INC. | PHOENIX, AZ | $2.8M | 104,344 |
| Calamos Wealth Management LLC | NAPERVILLE, IL | $2.7M | 97,729 |
| OLD MISSION CAPITAL LLC | CHICAGO, IL | $770K | 28,562 |
| Camelot Portfolios, LLC | Maumee, OH | $693K | 24,917 |
| COMMONWEALTH EQUITY SERVICES, LLC | WALTHAM, MA | $570K | 20,483 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | BALA CYNWYD, PA | $519K | 19,245 |
| Blue Water Asset Management | GRAND RAPIDS, MI | $450K | 16,190 |
| Grantvest Financial Group LLC | MATAWAN, NJ | $329K | 12,212 |
| HARBOUR INVESTMENTS, INC. | MADISON, WI | $312K | 11,556 |
| Spartan Wealth Advisory Services LLC | BINGHAM FARMS, MI | $298K | 10,709 |
| HOHIMER WEALTH MANAGEMENT, LLC | SEATTLE, WA | $219K | 7,878 |
| Sterling Financial Planning, Inc. | SPARTA, NJ | $216K | 8,018 |
| Innovative Asset Advisors Group, LLC | SHELTON, CT | $112K | 4,035 |
| BURKETT FINANCIAL SERVICES, LLC | ROCK HILL, SC | $95K | 3,420 |