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 4 funds opening new positions, 4 increasing their positions, 4 reducing their positions, and 1 closing their positions.
300% more first-time investments, than exits
New positions opened: 4 | Existing positions closed: 1
77% more capital inflows, than outflows
Capital inflows: $1.32M | Capital outflows: $746K
17% more funds holding
Funds holding: 18 → 21 (+3)
8.48% more ownership
Funds ownership: 53.66% → 62.15% (+8.5%)
0% more repeat investments, than reductions
Existing positions increased: 4 | Existing positions reduced: 4
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Calamos Advisors
Naperville,
Illinois
|
+$804K |
| 2 |
Old Mission Capital
Chicago,
Illinois
|
+$229K |
| 3 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
+$190K |
| 4 |
Motiv8 Investments
Port St. Lucie,
Florida
|
+$36.7K |
| 5 |
Osaic Holdings
Scottsdale,
Arizona
|
+$24.6K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Harbour Investments
Madison,
Wisconsin
|
-$229K |
| 2 |
Worth Asset Management
Dallas,
Texas
|
-$213K |
| 3 |
Atria Investments
Charlotte,
North Carolina
|
-$193K |
| 4 |
Calamos Wealth Management
Naperville,
Illinois
|
-$101K |
| 5 |
Greenberg Financial Group
Tucson,
Arizona
|
-$9.6K |
CPSF Hedge Fund Activity: Q4 2025 in Review
21 of the 8,294 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 5.9% from $13.5M a quarter earlier.
Buyers outnumbered sellers: 4 funds opened new CPSF positions and 1 closed out — a net gain of 3 holders — while 4 added to existing stakes and 4 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 18 in Q3 2025.
- Funds reported $14.3M of Calamos S&P 500 Structured Alt Protection ETF - February stock for Q4 2025, up 5.9% quarter-over-quarter.
- 4 funds opened new Calamos S&P 500 Structured Alt Protection ETF - February positions in Q4 2025 and 1 closed out, a net change of +3 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.