Calamos S&P 500 Structured Alt Protection ETF - May
CPSM
28 hedge funds and large institutions have $26.9M invested in Calamos S&P 500 Structured Alt Protection ETF - May in 2025 Q4 according to their latest regulatory filings, with 6 funds opening new positions, 1 increasing their positions, 11 reducing their positions, and 4 closing their positions.
50% more first-time investments, than exits
New positions opened: 6 | Existing positions closed: 4
8% more funds holding
Funds holding: 26 → 28 (+2)
1.2% less ownership
Funds ownership: 48.27% → 47.07% (-1.2%)
10% less capital invested
Capital invested by funds: $30M → $26.9M (-$3.1M)
91% less repeat investments, than reductions
Existing positions increased: 1 | Existing positions reduced: 11
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Calamos Advisors
Naperville,
Illinois
|
+$912K |
| 2 |
FFA
Farther Finance Advisors
San Francisco,
California
|
+$79.6K |
| 3 |
MI
Motiv8 Investments
Port St. Lucie,
Florida
|
+$36.2K |
| 4 |
PWPS
Pinnacle Wealth Planning Services
Mansfield,
Ohio
|
+$11.4K |
| 5 |
UBS Group
Zurich,
Switzerland
|
+$2.98K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
HI
Harbour Investments
Madison,
Wisconsin
|
-$1.83M |
| 2 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
-$867K |
| 3 |
HF
HRT Financial
New York
|
-$440K |
| 4 |
OMC
Old Mission Capital
Chicago,
Illinois
|
-$347K |
| 5 |
WCP
Wick Capital Partners
Wayne,
Pennsylvania
|
-$316K |
CPSM Hedge Fund Activity: Q4 2025 in Review
28 of the 8,270 institutional investors tracked by Wall St. Rank reported a position in Calamos S&P 500 Structured Alt Protection ETF - May (CPSM) for Q4 2025, worth a combined $26.9M — down 10% from $30M a quarter earlier.
Buyers outnumbered sellers: 6 funds opened new CPSM positions and 4 closed out — a net gain of 2 holders — while 1 added to existing stakes and 11 trimmed.
The largest buyer was Calamos Advisors, adding an estimated $912K. The largest seller was Harbour Investments, cutting an estimated $1.83M.
- 28 institutional investors held Calamos S&P 500 Structured Alt Protection ETF - May (CPSM) as of Q4 2025, up from 26 in Q3 2025.
- Funds reported $26.9M of Calamos S&P 500 Structured Alt Protection ETF - May stock for Q4 2025, down 10% quarter-over-quarter.
- 6 funds opened new Calamos S&P 500 Structured Alt Protection ETF - May positions in Q4 2025 and 4 closed out, a net change of +2 holders.
- The largest Calamos S&P 500 Structured Alt Protection ETF - May buyer in Q4 2025 was Calamos Advisors, an estimated $912K added.
- The largest Calamos S&P 500 Structured Alt Protection ETF - May seller in Q4 2025 was Harbour Investments, an estimated $1.83M sold.
Based on aggregated 13F filings for Q4 2025.