Calamos S&P 500 Structured Alt Protection ETF - March CPSR
26.25 USD 0.00 (+0.00%)
Nov 4, 2026, 10:45 AM EST
26.29 Day range 26.29
24.79 52-week range 26.32
- YTD
- +4.21%
- 1 year
- +5.34%
Calamos S&P 500 Structured Alt Protection ETF – March
- Issuer
- Calamos
- Asset class
- Equity
- Expense ratio
- 0.69%
- Assets under management
- $34.20M
- NAV
- 26.31
- Holdings
- 5
- Inception
- 2025-03-03
- Top 10 weight
- 100.00%
Top holdings
Sector weights
Updated 2026-11-04
Held by funds
1 US ETFs and mutual funds hold CPSR · largest positions
| Fund | Value held | Weight in fund |
|---|---|---|
| CPSL | 8.33% |
Top institutional holders
| Holder | % held | Shares | Value | Reported |
|---|---|---|---|---|
| Citadel Advisors LLC | 5.93% | 1,636,394 | 16.23M | Sep 29, 2021 |
| Periscope Capital Inc. | 5.26% | 1,450,761 | 14.39M | Sep 29, 2021 |
| Aristeia Capital, LLC | 5.12% | 1,412,642 | 14.01M | Sep 29, 2021 |
| Marshall Wace LLP | 4.36% | 1,202,643 | 11.93M | Sep 29, 2021 |
| Omni Partners US LLC | 3.44% | 950,377 | 9.43M | Sep 29, 2021 |
| Glazer Capital LLC | 3.36% | 927,396 | 9.20M | Sep 29, 2021 |
Top mutual fund holders
| Holder | % held | Shares | Value | Reported |
|---|---|---|---|---|
| Merger Fund, The | 1.55% | 428,525 | 4.25M | Sep 29, 2021 |
| First Tr Exchange Traded Fd-First Trust Merger Arbitrage Fd | 0.28% | 78,008 | 773.84K | Sep 29, 2021 |
| WCM Alternatives Event Driven Fd | 0.25% | 68,120 | 675.75K | Sep 29, 2021 |
| Collaborative Inv Ser Tr-SPAC and New Issue ETF | 0.17% | 46,308 | 459.38K | Sep 29, 2021 |
| JNL Series Trust-JNL/Westchester Capital Event Driven Fund | 0.09% | 25,714 | 255.08K | Sep 29, 2021 |
| Brinker Capital Destinations Tr-Destinations Low Duration Fixed Inc Fd | 0.06% | 17,480 | 172.88K | Aug 30, 2021 |