Institutional Ownership
Calamos ETF Tr
CUSIP 12811T787S&P 500 STRUCTCPSYQ1 2026
13D / 13G Filings
0
Schedule 13D/13G on record
Beneficial Filers
0
Distinct reporting persons
Largest Stake
—
Max % of class reported
Institutional Holders
16
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
Schedule 13D (activist) & 13G (passive) 5%+ ownership filings
No 13D/13G filings on record yet
Schedule 13D/13G beneficial-ownership filings from 2020–present are ingested from SEC EDGAR. Coverage expands as the backfill and daily crawler run.
Top Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Calamos Advisors LLC | 372.1K | $9.31M |
| 2 | Cetera Investment Advisers | 38.0K | $951.8K |
| 3 | Jim Saulnier & Associates, LLC | 25.8K | $645.5K |
| 4 | Mariner, LLC | 25.6K | $640.0K |
| 5 | Sterling Financial Planning, Inc. | 25.0K | $624.8K |
| 6 | Susquehanna International Group, LLP | 22.9K | $571.8K |
| 7 | Calamos Wealth Management LLC | 15.4K | $384.9K |
| 8 | Old Mission Capital LLC | 12.6K | $315.2K |
| 9 | Harbour Investments, Inc. | 9.3K | $233.6K |
| 10 | Waverly Advisors, LLC | 8.5K | $213.0K |