Calamos S&P 500 Structured Alt Protection ETF - February
CPSF
21 hedge funds and large institutions have $19.1M invested in Calamos S&P 500 Structured Alt Protection ETF - February in 2026 Q1 according to their latest regulatory filings, with 7 funds opening new positions, 9 increasing their positions, 3 reducing their positions, and 4 closing their positions.
200% more repeat investments, than reductions
Existing positions increased: 9 | Existing positions reduced: 3
75% more first-time investments, than exits
New positions opened: 7 | Existing positions closed: 4
34% more capital invested
Capital invested by funds: $14.3M → $19.1M (+$4.87M)
0% more funds holding
Funds holding: 21 → 21 (0)
4.61% less ownership
Funds ownership: 62.15% → 57.53% (-4.6%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Calamos Advisors
Naperville,
Illinois
|
+$3.14M |
| 2 |
BFS
Bradley Foster & Sargent
Hartford,
Connecticut
|
+$1.18M |
| 3 |
GFG
Grantvest Financial Group
Matawan,
New Jersey
|
+$958K |
| 4 |
MML Investors Services
Springfield,
Massachusetts
|
+$406K |
| 5 |
CWM
Calamos Wealth Management
Naperville,
Illinois
|
+$310K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
-$1M |
| 2 |
OMC
Old Mission Capital
Chicago,
Illinois
|
-$231K |
| 3 |
AI
Atria Investments
Charlotte,
North Carolina
|
-$207K |
| 4 |
JSA
Jim Saulnier & Associates
Fort Collins,
Colorado
|
-$160K |
| 5 |
HI
Harbour Investments
Madison,
Wisconsin
|
-$75.1K |
CPSF Hedge Fund Activity: Q1 2026 in Review
21 of the 8,127 institutional investors tracked by Wall St. Rank reported a position in Calamos S&P 500 Structured Alt Protection ETF - February (CPSF) for Q1 2026, worth a combined $19.1M — up 34% from $14.3M a quarter earlier.
Buyers outnumbered sellers: 7 funds opened new CPSF positions and 4 closed out — a net gain of 3 holders — while 9 added to existing stakes and 3 trimmed.
The largest buyer was Calamos Advisors, adding an estimated $3.14M. The largest seller was Susquehanna International Group, exiting entirely with an estimated $1M sold.
- 21 institutional investors held Calamos S&P 500 Structured Alt Protection ETF - February (CPSF) as of Q1 2026, unchanged from Q4 2025.
- Funds reported $19.1M of Calamos S&P 500 Structured Alt Protection ETF - February stock for Q1 2026, up 34% quarter-over-quarter.
- 7 funds opened new Calamos S&P 500 Structured Alt Protection ETF - February positions in Q1 2026 and 4 closed out, a net change of +3 holders.
- The largest Calamos S&P 500 Structured Alt Protection ETF - February buyer in Q1 2026 was Calamos Advisors, an estimated $3.14M added.
- The largest Calamos S&P 500 Structured Alt Protection ETF - February seller in Q1 2026 was Susquehanna International Group, an estimated $1M sold.
Based on aggregated 13F filings for Q1 2026.