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Calamos S&P 500 Structured Alt Protection ETF - June

9 hedge funds and large institutions have $9.25M invested in Calamos S&P 500 Structured Alt Protection ETF - June in 2025 Q4 according to their latest regulatory filings, with 2 funds opening new positions, 3 increasing their positions, 2 reducing their positions, and 2 closing their positions.

New
Increased
Maintained
Reduced
Closed

72% more capital inflows, than outflows

Capital inflows: $1.1M | Capital outflows: $641K

50% more repeat investments, than reductions

Existing positions increased: 3 | Existing positions reduced: 2

4.27% more ownership

Funds ownership: 81.1% → 85.37% (+4.3%)

0% more funds holding

Funds holding: 9 → 9 (0)

0% more first-time investments, than exits

New positions opened: 2 | Existing positions closed: 2

Holders
9
Holders Change
–
Holders Change %
0%
% of All Funds
0.11%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
2
Increased
3
Reduced
2
Closed
2
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

CPSU Hedge Fund Activity: Q4 2025 in Review

9 of the 8,307 institutional investors tracked by Wall St. Rank reported a position in Calamos S&P 500 Structured Alt Protection ETF - June (CPSU) for Q4 2025, worth a combined $9.25M — up 6.7% from $8.67M a quarter earlier.

Fund positioning in CPSU was balanced in Q4 2025: 2 funds opened new positions, 2 closed out, 3 added to existing stakes and 2 trimmed.

The largest buyer was Calamos Advisors, adding an estimated $898K. The largest seller was Susquehanna International Group, exiting entirely with an estimated $480K sold.

  • 9 institutional investors held Calamos S&P 500 Structured Alt Protection ETF - June (CPSU) as of Q4 2025, unchanged from Q3 2025.
  • Funds reported $9.25M of Calamos S&P 500 Structured Alt Protection ETF - June stock for Q4 2025, up 6.7% quarter-over-quarter.
  • 2 funds opened new Calamos S&P 500 Structured Alt Protection ETF - June positions in Q4 2025 and 2 closed out, a net change of 0 holders.
  • The largest Calamos S&P 500 Structured Alt Protection ETF - June buyer in Q4 2025 was Calamos Advisors, an estimated $898K added.
  • The largest Calamos S&P 500 Structured Alt Protection ETF - June seller in Q4 2025 was Susquehanna International Group, an estimated $480K sold.

Based on aggregated 13F filings for Q4 2025.