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Calamos S&P 500 Structured Alt Protection ETF - August
CPSA

15 hedge funds and large institutions have $18M invested in Calamos S&P 500 Structured Alt Protection ETF - August in 2025 Q2 according to their latest regulatory filings, with 0 funds opening new positions, 3 increasing their positions, 7 reducing their positions, and 1 closing their positions.

New
Increased
Maintained
Reduced
Closed

0.26% more ownership

Funds ownership: 45.87% → 46.13% (+0.26%)

6% less funds holding

Funds holding: 16 → 15 (-1)

14% less capital inflows, than outflows

Capital inflows: $1.45M | Capital outflows: $1.7M

57% less repeat investments, than reductions

Existing positions increased: 3 | Existing positions reduced: 7

100% less first-time investments, than exits

New positions opened: 0 | Existing positions closed: 1

Holders
15
Holders Change
-1
Holders Change %
-6.25%
% of All Funds
0.2%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
–
Increased
3
Reduced
7
Closed
1
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
Calamos Advisors
Calamos Advisors
Illinois
+$1.37M
2
UBS Group
UBS Group
Switzerland
+$81.4K
3
Calamos Wealth Management
Calamos Wealth Management
Illinois
+$2.98K

Top Sellers

Rank Fund Capital Flow
1
Osaic Holdings
Osaic Holdings
Arizona
-$729K
2
Harbour Investments
Harbour Investments
Wisconsin
-$490K
3
Old Mission Capital
Old Mission Capital
Illinois
-$208K
4
Susquehanna International Group
Susquehanna International Group
Pennsylvania
-$208K
5
Cambridge Investment Research Advisors
Cambridge Investment Research Advisors
Iowa
-$36.5K

CPSA Hedge Fund Activity: Q2 2025 in Review

15 of the 7,630 institutional investors tracked by Wall St. Rank reported a position in Calamos S&P 500 Structured Alt Protection ETF - August (CPSA) for Q2 2025, worth a combined $18M — up 2.8% from $17.5M a quarter earlier.

Sellers outnumbered buyers: 1 fund closed out of CPSA and 0 opened new positions — a net loss of 1 holder — while 7 trimmed existing stakes and 3 added.

The largest buyer was Calamos Advisors, adding an estimated $1.37M. The largest seller was Osaic Holdings, cutting an estimated $729K.

  • 15 institutional investors held Calamos S&P 500 Structured Alt Protection ETF - August (CPSA) as of Q2 2025, down from 16 in Q1 2025.
  • Funds reported $18M of Calamos S&P 500 Structured Alt Protection ETF - August stock for Q2 2025, up 2.8% quarter-over-quarter.
  • 0 funds opened new Calamos S&P 500 Structured Alt Protection ETF - August positions in Q2 2025 and 1 closed out, a net change of -1 holder.
  • The largest Calamos S&P 500 Structured Alt Protection ETF - August buyer in Q2 2025 was Calamos Advisors, an estimated $1.37M added.
  • The largest Calamos S&P 500 Structured Alt Protection ETF - August seller in Q2 2025 was Osaic Holdings, an estimated $729K sold.

Based on aggregated 13F filings for Q2 2025.