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CPSM

Calamos S&P 500 Structured Alt Protection ETF - May

26 hedge funds and large institutions have $32M invested in Calamos S&P 500 Structured Alt Protection ETF - May in 2025 Q2 according to their latest regulatory filings, with 8 funds opening new positions, 5 increasing their positions, 9 reducing their positions, and 4 closing their positions.

New
Increased
Maintained
Reduced
Closed

100% more first-time investments, than exits

New positions opened: 8 | Existing positions closed: 4

13% more funds holding

Funds holding: 2326 (+3)

5% more capital invested

Capital invested by funds: $30.4M → $32M (+$1.63M)

2.16% more ownership

Funds ownership: 47.07%49.23% (+2.2%)

44% less repeat investments, than reductions

Existing positions increased: 5 | Existing positions reduced: 9

Holders
26
Holders Change
+3
Holders Change %
+13.04%
% of All Funds
0.34%
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
8
Increased
5
Reduced
9
Closed
4
Calls
Puts
Net Calls
Net Calls Change

CPSM Hedge Fund Activity: Q2 2025 in Review

26 of the 7,613 institutional investors tracked by Wall St. Rank reported a position in Calamos S&P 500 Structured Alt Protection ETF - May (CPSM) for Q2 2025, worth a combined $32M — up 5.4% from $30.4M a quarter earlier.

Buyers outnumbered sellers: 8 funds opened new CPSM positions and 4 closed out — a net gain of 4 holders — while 5 added to existing stakes and 9 trimmed.

The largest buyer was Centaurus Financial, opening a new position worth an estimated $3.75M. The largest seller was Amplius Wealth Advisors, cutting an estimated $6.93M.

  • 26 institutional investors held Calamos S&P 500 Structured Alt Protection ETF - May (CPSM) as of Q2 2025, up from 23 in Q1 2025.
  • Funds reported $32M of Calamos S&P 500 Structured Alt Protection ETF - May stock for Q2 2025, up 5.4% quarter-over-quarter.
  • 8 funds opened new Calamos S&P 500 Structured Alt Protection ETF - May positions in Q2 2025 and 4 closed out, a net change of +4 holders.
  • The largest Calamos S&P 500 Structured Alt Protection ETF - May buyer in Q2 2025 was Centaurus Financial, an estimated $3.75M added.
  • The largest Calamos S&P 500 Structured Alt Protection ETF - May seller in Q2 2025 was Amplius Wealth Advisors, an estimated $6.93M sold.

Based on aggregated 13F filings for Q2 2025.