Calamos S&P 500 Structured Alt Protection ETF - December
CPSD
33 hedge funds and large institutions have $25.9M invested in Calamos S&P 500 Structured Alt Protection ETF - December in 2025 Q4 according to their latest regulatory filings, with 10 funds opening new positions, 6 increasing their positions, 6 reducing their positions, and 5 closing their positions.
100% more first-time investments, than exits
New positions opened: 10 | Existing positions closed: 5
18% more funds holding
Funds holding: 28 → 33 (+5)
2.23% more ownership
Funds ownership: 56.4% → 58.64% (+2.2%)
0% more repeat investments, than reductions
Existing positions increased: 6 | Existing positions reduced: 6
55% less capital inflows, than outflows
Capital inflows: $3.89M | Capital outflows: $8.65M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Calamos Advisors
Naperville,
Illinois
|
+$713K |
| 2 |
Jane Street
New York
|
+$378K |
| 3 |
Adamsbrown Wealth Consultants
Wichita,
Kansas
|
+$271K |
| 4 |
Grantvest Financial Group
Matawan,
New Jersey
|
+$227K |
| 5 |
Calamos Wealth Management
Naperville,
Illinois
|
+$181K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Cambridge Investment Research Advisors
Fairfield,
Iowa
|
-$5.94M |
| 2 |
Worth Asset Management
Dallas,
Texas
|
-$909K |
| 3 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
-$848K |
| 4 |
Old Mission Capital
Chicago,
Illinois
|
-$416K |
| 5 |
Harbour Investments
Madison,
Wisconsin
|
-$249K |
CPSD Hedge Fund Activity: Q4 2025 in Review
33 of the 8,296 institutional investors tracked by Wall St. Rank reported a position in Calamos S&P 500 Structured Alt Protection ETF - December (CPSD) for Q4 2025, worth a combined $25.9M — down 14% from $30.2M a quarter earlier.
Buyers outnumbered sellers: 10 funds opened new CPSD positions and 5 closed out — a net gain of 5 holders — while 6 added to existing stakes and 6 trimmed.
The largest buyer was Calamos Advisors, adding an estimated $713K. The largest seller was Cambridge Investment Research Advisors, exiting entirely with an estimated $5.94M sold.
- 33 institutional investors held Calamos S&P 500 Structured Alt Protection ETF - December (CPSD) as of Q4 2025, up from 28 in Q3 2025.
- Funds reported $25.9M of Calamos S&P 500 Structured Alt Protection ETF - December stock for Q4 2025, down 14% quarter-over-quarter.
- 10 funds opened new Calamos S&P 500 Structured Alt Protection ETF - December positions in Q4 2025 and 5 closed out, a net change of +5 holders.
- The largest Calamos S&P 500 Structured Alt Protection ETF - December buyer in Q4 2025 was Calamos Advisors, an estimated $713K added.
- The largest Calamos S&P 500 Structured Alt Protection ETF - December seller in Q4 2025 was Cambridge Investment Research Advisors, an estimated $5.94M sold.
Based on aggregated 13F filings for Q4 2025.