Calamos S&P 500 Structured Alt Protection ETF - June
CPSU
10 hedge funds and large institutions have $9.5M invested in Calamos S&P 500 Structured Alt Protection ETF - June in 2025 Q4 according to their latest regulatory filings, with 2 funds opening new positions, 3 increasing their positions, 2 reducing their positions, and 2 closing their positions.
50% more repeat investments, than reductions
Existing positions increased: 3 | Existing positions reduced: 2
7% more capital invested
Capital invested by funds: $8.92M → $9.5M (+$584K)
4.27% more ownership
Funds ownership: 83.45% → 87.72% (+4.3%)
0% more funds holding
Funds holding: 10 → 10 (0)
0% more first-time investments, than exits
New positions opened: 2 | Existing positions closed: 2
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Calamos Advisors
Naperville,
Illinois
|
+$898K |
| 2 |
OMC
Old Mission Capital
Chicago,
Illinois
|
+$86.5K |
| 3 |
SIS
Sound Income Strategies
Ft Lauderdale,
Florida
|
+$76.8K |
| 4 |
FFA
Farther Finance Advisors
San Francisco,
California
|
+$40.3K |
| 5 |
CFD
Creative Financial Designs
Kokomo,
Indiana
|
+$1.96K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
-$480K |
| 2 |
ASN
Advisory Services Network
Atlanta,
Georgia
|
-$124K |
| 3 |
CF
Centaurus Financial
Anaheim,
California
|
-$18.8K |
| 4 |
BFS
Burkett Financial Services
Rock Hill,
South Carolina
|
-$18.1K |
CPSU Hedge Fund Activity: Q4 2025 in Review
10 of the 8,281 institutional investors tracked by Wall St. Rank reported a position in Calamos S&P 500 Structured Alt Protection ETF - June (CPSU) for Q4 2025, worth a combined $9.5M — up 6.5% from $8.92M a quarter earlier.
Fund positioning in CPSU was balanced in Q4 2025: 2 funds opened new positions, 2 closed out, 3 added to existing stakes and 2 trimmed.
The largest buyer was Calamos Advisors, adding an estimated $898K. The largest seller was Susquehanna International Group, exiting entirely with an estimated $480K sold.
- 10 institutional investors held Calamos S&P 500 Structured Alt Protection ETF - June (CPSU) as of Q4 2025, unchanged from Q3 2025.
- Funds reported $9.5M of Calamos S&P 500 Structured Alt Protection ETF - June stock for Q4 2025, up 6.5% quarter-over-quarter.
- 2 funds opened new Calamos S&P 500 Structured Alt Protection ETF - June positions in Q4 2025 and 2 closed out, a net change of 0 holders.
- The largest Calamos S&P 500 Structured Alt Protection ETF - June buyer in Q4 2025 was Calamos Advisors, an estimated $898K added.
- The largest Calamos S&P 500 Structured Alt Protection ETF - June seller in Q4 2025 was Susquehanna International Group, an estimated $480K sold.
Based on aggregated 13F filings for Q4 2025.