Calamos S&P 500 Structured Alt Protection ETF - November
CPSN
22 hedge funds and large institutions have $16.4M invested in Calamos S&P 500 Structured Alt Protection ETF - November in 2025 Q4 according to their latest regulatory filings, with 8 funds opening new positions, 6 increasing their positions, 1 reducing their positions, and 1 closing their positions.
700% more first-time investments, than exits
New positions opened: 8 | Existing positions closed: 1
500% more repeat investments, than reductions
Existing positions increased: 6 | Existing positions reduced: 1
330% more capital inflows, than outflows
Capital inflows: $4.53M | Capital outflows: $1.06M
47% more funds holding
Funds holding: 15 → 22 (+7)
21.59% less ownership
Funds ownership: 68.4% → 46.81% (-22%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Harbour Investments
Madison,
Wisconsin
|
+$1.21M |
| 2 |
Calamos Advisors
Naperville,
Illinois
|
+$848K |
| 3 |
Calamos Wealth Management
Naperville,
Illinois
|
+$594K |
| 4 |
Old Mission Capital
Chicago,
Illinois
|
+$539K |
| 5 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
+$435K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Worth Asset Management
Dallas,
Texas
|
-$837K |
| 2 |
Jim Saulnier & Associates
Fort Collins,
Colorado
|
-$218K |
CPSN Hedge Fund Activity: Q4 2025 in Review
22 of the 8,303 institutional investors tracked by Wall St. Rank reported a position in Calamos S&P 500 Structured Alt Protection ETF - November (CPSN) for Q4 2025, worth a combined $16.4M — up 29% from $12.7M a quarter earlier.
Buyers outnumbered sellers: 8 funds opened new CPSN positions and 1 closed out — a net gain of 7 holders — while 6 added to existing stakes and 1 trimmed.
The largest buyer was Harbour Investments, adding an estimated $1.21M. The largest seller was Worth Asset Management, exiting entirely with an estimated $837K sold.
- 22 institutional investors held Calamos S&P 500 Structured Alt Protection ETF - November (CPSN) as of Q4 2025, up from 15 in Q3 2025.
- Funds reported $16.4M of Calamos S&P 500 Structured Alt Protection ETF - November stock for Q4 2025, up 29% quarter-over-quarter.
- 8 funds opened new Calamos S&P 500 Structured Alt Protection ETF - November positions in Q4 2025 and 1 closed out, a net change of +7 holders.
- The largest Calamos S&P 500 Structured Alt Protection ETF - November buyer in Q4 2025 was Harbour Investments, an estimated $1.21M added.
- The largest Calamos S&P 500 Structured Alt Protection ETF - November seller in Q4 2025 was Worth Asset Management, an estimated $837K sold.
Based on aggregated 13F filings for Q4 2025.