Institutional Ownership
Calamos ETF Tr
CUSIP 12811T811S&P 500 STRCTURDCPSNQ1 2026
13D / 13G Filings
0
Schedule 13D/13G on record
Beneficial Filers
0
Distinct reporting persons
Largest Stake
—
Max % of class reported
Institutional Holders
19
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 | 356.8K | $9.55M |
| 2 | Harbour Investments, Inc. | 60.3K | $1.61M |
| 3 | Commonwealth Equity Services, LLC | 48.1K | $1.29M |
| 4 | Advisor Os, LLC | 39.4K | $1.05M |
| 5 | Calamos Wealth Management LLC | 24.6K | $657.5K |
| 6 | Old Mission Capital LLC | 15.0K | $401.7K |
| 7 | Jim Saulnier & Associates, LLC | 13.2K | $353.1K |
| 8 | Susquehanna International Group, LLP | 10.4K | $278.4K |
| 9 | Grantvest Financial Group LLC | 9.0K | $241.8K |
| 10 | Next Level Private LLC | 8.4K | $224.5K |