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Calamos S&P 500 Structured Alt Protection ETF - August

16 hedge funds and large institutions have $17.5M invested in Calamos S&P 500 Structured Alt Protection ETF - August in 2025 Q1 according to their latest regulatory filings, with 3 funds opening new positions, 3 increasing their positions, 5 reducing their positions, and 4 closing their positions.

New
Increased
Maintained
Reduced
Closed

3.37% more ownership

Funds ownership: 42.5% → 45.87% (+3.4%)

6% less funds holding

Funds holding: 17 → 16 (-1)

17% less capital inflows, than outflows

Capital inflows: $2.56M | Capital outflows: $3.07M

25% less first-time investments, than exits

New positions opened: 3 | Existing positions closed: 4

40% less repeat investments, than reductions

Existing positions increased: 3 | Existing positions reduced: 5

Holders
16
Holders Change
-1
Holders Change %
-5.88%
% of All Funds
0.21%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
3
Increased
3
Reduced
5
Closed
4
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

CPSA Hedge Fund Activity: Q1 2025 in Review

16 of the 7,489 institutional investors tracked by Wall St. Rank reported a position in Calamos S&P 500 Structured Alt Protection ETF - August (CPSA) for Q1 2025, worth a combined $17.5M — down 3.5% from $18.1M a quarter earlier.

Sellers outnumbered buyers: 4 funds closed out of CPSA and 3 opened new positions — a net loss of 1 holder — while 5 trimmed existing stakes and 3 added.

The largest buyer was Osaic Holdings, adding an estimated $681K. The largest seller was Calamos Advisors, cutting an estimated $1.4M.

  • 16 institutional investors held Calamos S&P 500 Structured Alt Protection ETF - August (CPSA) as of Q1 2025, down from 17 in Q4 2024.
  • Funds reported $17.5M of Calamos S&P 500 Structured Alt Protection ETF - August stock for Q1 2025, down 3.5% quarter-over-quarter.
  • 3 funds opened new Calamos S&P 500 Structured Alt Protection ETF - August positions in Q1 2025 and 4 closed out, a net change of -1 holder.
  • The largest Calamos S&P 500 Structured Alt Protection ETF - August buyer in Q1 2025 was Osaic Holdings, an estimated $681K added.
  • The largest Calamos S&P 500 Structured Alt Protection ETF - August seller in Q1 2025 was Calamos Advisors, an estimated $1.4M sold.

Based on aggregated 13F filings for Q1 2025.