Calamos S&P 500 Structured Alt Protection ETF - December
CPSD
28 hedge funds and large institutions have $30.2M invested in Calamos S&P 500 Structured Alt Protection ETF - December in 2025 Q3 according to their latest regulatory filings, with 2 funds opening new positions, 5 increasing their positions, 7 reducing their positions, and 5 closing their positions.
1.94% more ownership
Funds ownership: 54.46% → 56.4% (+1.9%)
2% more capital invested
Capital invested by funds: $29.7M → $30.2M (+$516K)
10% less funds holding
Funds holding: 31 → 28 (-3)
29% less repeat investments, than reductions
Existing positions increased: 5 | Existing positions reduced: 7
60% less first-time investments, than exits
New positions opened: 2 | Existing positions closed: 5
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
+$1.74M |
| 2 |
OMC
Old Mission Capital
Chicago,
Illinois
|
+$175K |
| 3 |
Commonwealth Equity Services
Waltham,
Massachusetts
|
+$90.5K |
| 4 |
Cetera Investment Advisers
Schaumburg,
Illinois
|
+$52K |
| 5 |
SPIA
Steward Partners Investment Advisory
New York
|
+$15.6K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
CIM
Cambria Investment Management
Manhattan Beach,
California
|
-$563K |
| 2 |
EF
Empowered Funds
Havertown,
Pennsylvania
|
-$563K |
| 3 |
SIC
Samalin Investment Counsel
Chappaqua,
New York
|
-$371K |
| 4 |
Cambridge Investment Research Advisors
Fairfield,
Iowa
|
-$264K |
| 5 |
WAM
Worth Asset Management
Dallas,
Texas
|
-$221K |
CPSD Hedge Fund Activity: Q3 2025 in Review
28 of the 7,620 institutional investors tracked by Wall St. Rank reported a position in Calamos S&P 500 Structured Alt Protection ETF - December (CPSD) for Q3 2025, worth a combined $30.2M — up 1.7% from $29.7M a quarter earlier.
Sellers outnumbered buyers: 5 funds closed out of CPSD and 2 opened new positions — a net loss of 3 holders — while 7 trimmed existing stakes and 5 added.
The largest buyer was Susquehanna International Group, opening a new position worth an estimated $1.74M. The largest seller was Cambria Investment Management, exiting entirely with an estimated $563K sold.
- 28 institutional investors held Calamos S&P 500 Structured Alt Protection ETF - December (CPSD) as of Q3 2025, down from 31 in Q2 2025.
- Funds reported $30.2M of Calamos S&P 500 Structured Alt Protection ETF - December stock for Q3 2025, up 1.7% quarter-over-quarter.
- 2 funds opened new Calamos S&P 500 Structured Alt Protection ETF - December positions in Q3 2025 and 5 closed out, a net change of -3 holders.
- The largest Calamos S&P 500 Structured Alt Protection ETF - December buyer in Q3 2025 was Susquehanna International Group, an estimated $1.74M added.
- The largest Calamos S&P 500 Structured Alt Protection ETF - December seller in Q3 2025 was Cambria Investment Management, an estimated $563K sold.
Based on aggregated 13F filings for Q3 2025.