As of the latest SEC filings, CALAMOS S&P 500 STRUCTURED ALT PROTECTION ETF - OCTOBER (CPSO) is held by 1 institutional funds. The largest fund shareholder is Calamos Laddered S&P 500 Structured Alt Protection ETF (CPSL), holding an estimated $9,054,716.59 in market value, representing 8.33% of its portfolio.
Funds holding CALAMOS S&P 500 STRUCTURED ALT PROTECTION ETF - OCTOBER (CPSO)
Source: SEC Form N-PORT institutional portfolio disclosures
- Ticker:
- CPSO
- CIK:
| Fund | Type | Manager | Weight | Market Value | Shares |
Report Date
|
Filing Date
|
|---|---|---|---|---|---|---|---|
|
CPSL
Calamos Laddered S&P 500 Structured Alt Protection ETF
|
ETF | Calamos | 8.33% | $9,054,716.59 | 328,486 | Apr 30, 2026 | Jun 26, 2026 |
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