Institutional Ownership
Calamos ETF Tr
CUSIP 12811T829S&P 500 STRUCTURCPSOQ1 2026
13D / 13G Filings
0
Schedule 13D/13G on record
Beneficial Filers
0
Distinct reporting persons
Largest Stake
—
Max % of class reported
Institutional Holders
20
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 | 356.0K | $9.61M |
| 2 | Blue Water Asset Management | 30.8K | $831.8K |
| 3 | Leclair Wealth Partners LLC | 30.8K | $831.8K |
| 4 | Susquehanna International Group, LLP | 26.6K | $719.3K |
| 5 | Calamos Wealth Management LLC | 25.5K | $687.3K |
| 6 | Commonwealth Equity Services, LLC | 24.1K | $649.8K |
| 7 | Old Mission Capital LLC | 18.9K | $510.9K |
| 8 | Grantvest Financial Group LLC | 14.7K | $396.4K |
| 9 | Harbour Investments, Inc. | 14.4K | $387.9K |
| 10 | Rooted Wealth Advisors, Inc. | 12.5K | $343.1K |