Calamos S&P 500 Structured Alt Protection ETF - April
CPSP
11 hedge funds and large institutions have $13.5M invested in Calamos S&P 500 Structured Alt Protection ETF - April in 2026 Q2 according to their latest regulatory filings, with 3 funds opening new positions, 1 increasing their positions, 1 reducing their positions, and 1 closing their positions.
200% more first-time investments, than exits
New positions opened: 3 | Existing positions closed: 1
22% more funds holding
Funds holding: 9 → 11 (+2)
4% more capital invested
Capital invested by funds: $13.1M → $13.5M (+$459K)
0% more repeat investments, than reductions
Existing positions increased: 1 | Existing positions reduced: 1
10.67% less ownership
Funds ownership: 82.51% → 71.84% (-11%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
CWM
Calamos Wealth Management
Naperville,
Illinois
|
+$616K |
| 2 |
OMC
Old Mission Capital
Chicago,
Illinois
|
+$311K |
| 3 |
T
TrustBank
Olney,
Illinois
|
+$283K |
| 4 |
APFP
Action Point Financial Planning
Grand Rapids,
Michigan
|
+$26.1K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Calamos Advisors
Naperville,
Illinois
|
-$1.01M |
| 2 |
UBS Group
Zurich,
Switzerland
|
-$14.4K |
CPSP Hedge Fund Activity: Q2 2026 in Review
11 of the 8,337 institutional investors tracked by Wall St. Rank reported a position in Calamos S&P 500 Structured Alt Protection ETF - April (CPSP) for Q2 2026, worth a combined $13.5M — up 3.5% from $13.1M a quarter earlier.
Buyers outnumbered sellers: 3 funds opened new CPSP positions and 1 closed out — a net gain of 2 holders — while 1 added to existing stakes and 1 trimmed.
The largest buyer was Calamos Wealth Management, adding an estimated $616K. The largest seller was Calamos Advisors, cutting an estimated $1.01M.
- 11 institutional investors held Calamos S&P 500 Structured Alt Protection ETF - April (CPSP) as of Q2 2026, up from 9 in Q1 2026.
- Funds reported $13.5M of Calamos S&P 500 Structured Alt Protection ETF - April stock for Q2 2026, up 3.5% quarter-over-quarter.
- 3 funds opened new Calamos S&P 500 Structured Alt Protection ETF - April positions in Q2 2026 and 1 closed out, a net change of +2 holders.
- The largest Calamos S&P 500 Structured Alt Protection ETF - April buyer in Q2 2026 was Calamos Wealth Management, an estimated $616K added.
- The largest Calamos S&P 500 Structured Alt Protection ETF - April seller in Q2 2026 was Calamos Advisors, an estimated $1.01M sold.
Based on aggregated 13F filings for Q2 2026.