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CPSM

Calamos S&P 500 Structured Alt Protection ETF - May

30 hedge funds and large institutions have $28.2M invested in Calamos S&P 500 Structured Alt Protection ETF - May in 2026 Q2 according to their latest regulatory filings, with 8 funds opening new positions, 7 increasing their positions, 6 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

17% more repeat investments, than reductions

Existing positions increased: 7 | Existing positions reduced: 6

15% more funds holding

Funds holding: 2630 (+4)

3% more capital invested

Capital invested by funds: $27.4M → $28.2M (+$835K)

0.81% more ownership

Funds ownership: 49.99%50.81% (+0.81%)

Holders
30
Holders Change
+4
Holders Change %
+15.38%
% of All Funds
0.36%
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
8
Increased
7
Reduced
6
Closed
4
Calls
Puts
Net Calls
Net Calls Change

CPSM Hedge Fund Activity: Q2 2026 in Review

30 of the 8,318 institutional investors tracked by Wall St. Rank reported a position in Calamos S&P 500 Structured Alt Protection ETF - May (CPSM) for Q2 2026, worth a combined $28.2M — up 3% from $27.4M a quarter earlier.

Buyers outnumbered sellers: 8 funds opened new CPSM positions and 4 closed out — a net gain of 4 holders — while 7 added to existing stakes and 6 trimmed.

The largest buyer was Grantvest Financial Group, opening a new position worth an estimated $1.22M. The largest seller was Old Mission Capital, exiting entirely with an estimated $690K sold.

  • 30 institutional investors held Calamos S&P 500 Structured Alt Protection ETF - May (CPSM) as of Q2 2026, up from 26 in Q1 2026.
  • Funds reported $28.2M of Calamos S&P 500 Structured Alt Protection ETF - May stock for Q2 2026, up 3% quarter-over-quarter.
  • 8 funds opened new Calamos S&P 500 Structured Alt Protection ETF - May positions in Q2 2026 and 4 closed out, a net change of +4 holders.
  • The largest Calamos S&P 500 Structured Alt Protection ETF - May buyer in Q2 2026 was Grantvest Financial Group, an estimated $1.22M added.
  • The largest Calamos S&P 500 Structured Alt Protection ETF - May seller in Q2 2026 was Old Mission Capital, an estimated $690K sold.

Based on aggregated 13F filings for Q2 2026.