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Calamos S&P 500 Structured Alt Protection ETF - August

24 hedge funds and large institutions have $23.7M invested in Calamos S&P 500 Structured Alt Protection ETF - August in 2025 Q4 according to their latest regulatory filings, with 4 funds opening new positions, 3 increasing their positions, 13 reducing their positions, and 2 closing their positions.

New
Increased
Maintained
Reduced
Closed

100% more first-time investments, than exits

New positions opened: 4 | Existing positions closed: 2

9% more funds holding

Funds holding: 22 → 24 (+2)

2.58% more ownership

Funds ownership: 49.14% → 51.73% (+2.6%)

4% less capital inflows, than outflows

Capital inflows: $3.08M | Capital outflows: $3.21M

77% less repeat investments, than reductions

Existing positions increased: 3 | Existing positions reduced: 13

Holders
24
Holders Change
+2
Holders Change %
+9.09%
% of All Funds
0.29%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
4
Increased
3
Reduced
13
Closed
2
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

CPSA Hedge Fund Activity: Q4 2025 in Review

24 of the 8,307 institutional investors tracked by Wall St. Rank reported a position in Calamos S&P 500 Structured Alt Protection ETF - August (CPSA) for Q4 2025, worth a combined $23.7M — up 0.5% from $23.6M a quarter earlier.

Buyers outnumbered sellers: 4 funds opened new CPSA positions and 2 closed out — a net gain of 2 holders — while 3 added to existing stakes and 13 trimmed.

The largest buyer was Calamos Advisors, adding an estimated $796K. The largest seller was Susquehanna International Group, exiting entirely with an estimated $1M sold.

  • 24 institutional investors held Calamos S&P 500 Structured Alt Protection ETF - August (CPSA) as of Q4 2025, up from 22 in Q3 2025.
  • Funds reported $23.7M of Calamos S&P 500 Structured Alt Protection ETF - August stock for Q4 2025, up 0.5% quarter-over-quarter.
  • 4 funds opened new Calamos S&P 500 Structured Alt Protection ETF - August positions in Q4 2025 and 2 closed out, a net change of +2 holders.
  • The largest Calamos S&P 500 Structured Alt Protection ETF - August buyer in Q4 2025 was Calamos Advisors, an estimated $796K added.
  • The largest Calamos S&P 500 Structured Alt Protection ETF - August seller in Q4 2025 was Susquehanna International Group, an estimated $1M sold.

Based on aggregated 13F filings for Q4 2025.