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Calamos S&P 500 Structured Alt Protection ETF - August

22 hedge funds and large institutions have $26.5M invested in Calamos S&P 500 Structured Alt Protection ETF - August in 2026 Q1 according to their latest regulatory filings, with 2 funds opening new positions, 2 increasing their positions, 11 reducing their positions, and 3 closing their positions.

New
Increased
Maintained
Reduced
Closed

78% more capital inflows, than outflows

Capital inflows: $6.6M | Capital outflows: $3.7M

9.85% more ownership

Funds ownership: 51.73% → 61.57% (+9.8%)

8% less funds holding

Funds holding: 24 → 22 (-2)

33% less first-time investments, than exits

New positions opened: 2 | Existing positions closed: 3

82% less repeat investments, than reductions

Existing positions increased: 2 | Existing positions reduced: 11

Holders
22
Holders Change
-2
Holders Change %
-8.33%
% of All Funds
0.27%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
2
Increased
2
Reduced
11
Closed
3
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

CPSA Hedge Fund Activity: Q1 2026 in Review

22 of the 8,232 institutional investors tracked by Wall St. Rank reported a position in Calamos S&P 500 Structured Alt Protection ETF - August (CPSA) for Q1 2026, worth a combined $26.5M — up 12% from $23.7M a quarter earlier.

Sellers outnumbered buyers: 3 funds closed out of CPSA and 2 opened new positions — a net loss of 1 holder — while 11 trimmed existing stakes and 2 added.

The largest buyer was Calamos Advisors, adding an estimated $4.22M. The largest seller was Osaic Holdings, cutting an estimated $728K.

  • 22 institutional investors held Calamos S&P 500 Structured Alt Protection ETF - August (CPSA) as of Q1 2026, down from 24 in Q4 2025.
  • Funds reported $26.5M of Calamos S&P 500 Structured Alt Protection ETF - August stock for Q1 2026, up 12% quarter-over-quarter.
  • 2 funds opened new Calamos S&P 500 Structured Alt Protection ETF - August positions in Q1 2026 and 3 closed out, a net change of -1 holder.
  • The largest Calamos S&P 500 Structured Alt Protection ETF - August buyer in Q1 2026 was Calamos Advisors, an estimated $4.22M added.
  • The largest Calamos S&P 500 Structured Alt Protection ETF - August seller in Q1 2026 was Osaic Holdings, an estimated $728K sold.

Based on aggregated 13F filings for Q1 2026.