Calamos S&P 500 Structured Alt Protection ETF - November
CPSN
14 hedge funds and large institutions have $12.3M invested in Calamos S&P 500 Structured Alt Protection ETF - November in 2025 Q2 according to their latest regulatory filings, with 2 funds opening new positions, 1 increasing their positions, 2 reducing their positions, and 4 closing their positions.
9.5% less ownership
Funds ownership: 68.63% → 59.13% (-9.5%)
11% less capital invested
Capital invested by funds: $13.9M → $12.3M (-$1.54M)
13% less funds holding
Funds holding: 16 → 14 (-2)
50% less first-time investments, than exits
New positions opened: 2 | Existing positions closed: 4
50% less repeat investments, than reductions
Existing positions increased: 1 | Existing positions reduced: 2
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Calamos Advisors
Naperville,
Illinois
|
+$1.38M |
| 2 |
Morgan Stanley
New York
|
+$51K |
| 3 |
UBS Group
Zurich,
Switzerland
|
+$612 |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
-$1.82M |
| 2 |
OMC
Old Mission Capital
Chicago,
Illinois
|
-$668K |
| 3 |
Wolverine Trading
Chicago,
Illinois
|
-$387K |
| 4 |
CA
Claro Advisors
Boston,
Massachusetts
|
-$326K |
| 5 |
WAM
Worth Asset Management
Dallas,
Texas
|
-$140K |
CPSN Hedge Fund Activity: Q2 2025 in Review
14 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in Calamos S&P 500 Structured Alt Protection ETF - November (CPSN) for Q2 2025, worth a combined $12.3M — down 11% from $13.9M a quarter earlier.
Sellers outnumbered buyers: 4 funds closed out of CPSN and 2 opened new positions — a net loss of 2 holders — while 2 trimmed existing stakes and 1 added.
The largest buyer was Calamos Advisors, adding an estimated $1.38M. The largest seller was Susquehanna International Group, exiting entirely with an estimated $1.82M sold.
- 14 institutional investors held Calamos S&P 500 Structured Alt Protection ETF - November (CPSN) as of Q2 2025, down from 16 in Q1 2025.
- Funds reported $12.3M of Calamos S&P 500 Structured Alt Protection ETF - November stock for Q2 2025, down 11% quarter-over-quarter.
- 2 funds opened new Calamos S&P 500 Structured Alt Protection ETF - November positions in Q2 2025 and 4 closed out, a net change of -2 holders.
- The largest Calamos S&P 500 Structured Alt Protection ETF - November buyer in Q2 2025 was Calamos Advisors, an estimated $1.38M added.
- The largest Calamos S&P 500 Structured Alt Protection ETF - November seller in Q2 2025 was Susquehanna International Group, an estimated $1.82M sold.
Based on aggregated 13F filings for Q2 2025.