Calamos S&P 500 Alt SeptCPSTETF
13F holders, Q4 2024 (December 31)16holders +3
5new positions
1sold out
$25.32avg. 13F price*
At the end of Q4 2024, 16 institutions reported holding Calamos S&P 500 Alt Sept (CPST) in their 13F filings, up 3 from Q3 2024. 5 opened new positions and 1 sold out. The largest holders were Calamos Advisors LLC ($6.6M), Calamos Wealth Management LLC ($3.8M) and Osaic Holdings, Inc. ($893K).
- Company
- Calamos S&P 500 Alt Sept
- CUSIP
- 12811T886
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2024 → Q4 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 5 | $464K |
| Exits | 1 | $280K |
All 13F filers, Q3 2024 → Q4 2024: 150,844 shares bought and 21,071 shares sold, net +129,773 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 16 holders
| Calamos Advisors LLC | 0.04% | Add +47.0% | 259,485 | $6.6M |
| Calamos Wealth Management LLC | 0.19% | Reduce -1.1% | 151,194 | $3.8M |
| Osaic Holdings, Inc. | 0.00% | Add +2251.6% | 35,274 | $893K |
| Old Mission Capital LLC | 0.01% | Add +185.1% | 24,384 | $617K |
| Commonwealth Equity Services, LLC | 0.00% | No change | 20,560 | $521K |
| Flagstar Securities, Inc. | 0.13% | No change | 20,000 | $506K |
| Jane Street Group, LLC | 0.00% | Reduce -21.5% | 19,892 | $504K |
| Capital Analysts, LLC | 0.01% | No change | 14,625 | $370K |
| Hohimer Wealth Management, LLC | 0.05% | New | 9,899 | $251K |
| Wealth Enhancement Advisory Services, LLC | 0.00% | Reduce -22.9% | 9,648 | $244K |
| Mgo One Seven LLC | 0.01% | No change | 9,000 | $228K |
| J.W. Cole Advisors, Inc. | 0.01% | New | 7,922 | $201K |
| Burkett Financial Services, LLC | 0.06% | No change | 5,635 | $143K |
| Creative Financial Designs Inc. | 0.00% | New | 299 | $8K |
| Bank of America Corp. | 0.00% | New | 155 | $4K |
| AE Wealth Management LLC | 0.00% | New | 46 | $1K |
"% of holder's portfolio" is CPST's weight in each manager's 13F, not the share of Calamos S&P 500 Alt Sept the manager owns.