Calamos S&P 500 Structured Alt Protection ETF - February
CPSF
21 hedge funds and large institutions have $14.3M invested in Calamos S&P 500 Structured Alt Protection ETF - February in 2025 Q4 according to their latest regulatory filings, with 5 funds opening new positions, 4 increasing their positions, 3 reducing their positions, and 1 closing their positions.
400% more first-time investments, than exits
New positions opened: 5 | Existing positions closed: 1
33% more repeat investments, than reductions
Existing positions increased: 4 | Existing positions reduced: 3
24% more funds holding
Funds holding: 17 → 21 (+4)
9.84% more ownership
Funds ownership: 52.31% → 62.15% (+9.8%)
9% more capital invested
Capital invested by funds: $13.2M → $14.3M (+$1.15M)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Calamos Advisors
Naperville,
Illinois
|
+$804K |
| 2 |
OMC
Old Mission Capital
Chicago,
Illinois
|
+$229K |
| 3 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
+$190K |
| 4 |
MI
Motiv8 Investments
Port St. Lucie,
Florida
|
+$36.7K |
| 5 |
Osaic Holdings
Scottsdale,
Arizona
|
+$24.6K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
HI
Harbour Investments
Madison,
Wisconsin
|
-$229K |
| 2 |
WAM
Worth Asset Management
Dallas,
Texas
|
-$213K |
| 3 |
AI
Atria Investments
Charlotte,
North Carolina
|
-$193K |
| 4 |
CWM
Calamos Wealth Management
Naperville,
Illinois
|
-$101K |
CPSF Hedge Fund Activity: Q4 2025 in Review
21 of the 8,270 institutional investors tracked by Wall St. Rank reported a position in Calamos S&P 500 Structured Alt Protection ETF - February (CPSF) for Q4 2025, worth a combined $14.3M — up 8.8% from $13.2M a quarter earlier.
Buyers outnumbered sellers: 5 funds opened new CPSF positions and 1 closed out — a net gain of 4 holders — while 4 added to existing stakes and 3 trimmed.
The largest buyer was Calamos Advisors, adding an estimated $804K. The largest seller was Harbour Investments, cutting an estimated $229K.
- 21 institutional investors held Calamos S&P 500 Structured Alt Protection ETF - February (CPSF) as of Q4 2025, up from 17 in Q3 2025.
- Funds reported $14.3M of Calamos S&P 500 Structured Alt Protection ETF - February stock for Q4 2025, up 8.8% quarter-over-quarter.
- 5 funds opened new Calamos S&P 500 Structured Alt Protection ETF - February positions in Q4 2025 and 1 closed out, a net change of +4 holders.
- The largest Calamos S&P 500 Structured Alt Protection ETF - February buyer in Q4 2025 was Calamos Advisors, an estimated $804K added.
- The largest Calamos S&P 500 Structured Alt Protection ETF - February seller in Q4 2025 was Harbour Investments, an estimated $229K sold.
Based on aggregated 13F filings for Q4 2025.