Calamos S&P 500 Structured Alt Protection ETF - December
CPSD
32 hedge funds and large institutions have $29.5M invested in Calamos S&P 500 Structured Alt Protection ETF - December in 2026 Q1 according to their latest regulatory filings, with 5 funds opening new positions, 3 increasing their positions, 11 reducing their positions, and 5 closing their positions.
14% more capital invested
Capital invested by funds: $25.9M → $29.5M (+$3.55M)
8.26% more ownership
Funds ownership: 58.64% → 66.89% (+8.3%)
0% more first-time investments, than exits
New positions opened: 5 | Existing positions closed: 5
3% less funds holding
Funds holding: 33 → 32 (-1)
73% less repeat investments, than reductions
Existing positions increased: 3 | Existing positions reduced: 11
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Calamos Advisors
Naperville,
Illinois
|
+$3.58M |
| 2 |
Creative Planning
Overland Park,
Kansas
|
+$706K |
| 3 |
LWP
LeClair Wealth Partners
Dublin,
Ohio
|
+$651K |
| 4 |
OMC
Old Mission Capital
Chicago,
Illinois
|
+$416K |
| 5 |
Envestnet Asset Management
Chicago,
Illinois
|
+$409K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
-$944K |
| 2 |
Jane Street
New York
|
-$381K |
| 3 |
Osaic Holdings
Scottsdale,
Arizona
|
-$300K |
| 4 |
CWM
Calamos Wealth Management
Naperville,
Illinois
|
-$278K |
| 5 |
JWM
Jessup Wealth Management
Dayton,
Ohio
|
-$116K |
CPSD Hedge Fund Activity: Q1 2026 in Review
32 of the 8,191 institutional investors tracked by Wall St. Rank reported a position in Calamos S&P 500 Structured Alt Protection ETF - December (CPSD) for Q1 2026, worth a combined $29.5M — up 14% from $25.9M a quarter earlier.
Fund positioning in CPSD was balanced in Q1 2026: 5 funds opened new positions, 5 closed out, 3 added to existing stakes and 11 trimmed.
The largest buyer was Calamos Advisors, adding an estimated $3.58M. The largest seller was Susquehanna International Group, exiting entirely with an estimated $944K sold.
- 32 institutional investors held Calamos S&P 500 Structured Alt Protection ETF - December (CPSD) as of Q1 2026, down from 33 in Q4 2025.
- Funds reported $29.5M of Calamos S&P 500 Structured Alt Protection ETF - December stock for Q1 2026, up 14% quarter-over-quarter.
- 5 funds opened new Calamos S&P 500 Structured Alt Protection ETF - December positions in Q1 2026 and 5 closed out, a net change of 0 holders.
- The largest Calamos S&P 500 Structured Alt Protection ETF - December buyer in Q1 2026 was Calamos Advisors, an estimated $3.58M added.
- The largest Calamos S&P 500 Structured Alt Protection ETF - December seller in Q1 2026 was Susquehanna International Group, an estimated $944K sold.
Based on aggregated 13F filings for Q1 2026.