Calamos S&P 500 Structured Alt Protection ETF - March
CPSR
19 hedge funds and large institutions have $16.3M invested in Calamos S&P 500 Structured Alt Protection ETF - March in 2026 Q2 according to their latest regulatory filings, with 2 funds opening new positions, 1 increasing their positions, 5 reducing their positions, and 4 closing their positions.
7.23% less ownership
Funds ownership: 59.7% → 52.47% (-7.2%)
10% less funds holding
Funds holding: 21 → 19 (-2)
10% less capital invested
Capital invested by funds: $18.1M → $16.3M (-$1.84M)
50% less first-time investments, than exits
New positions opened: 2 | Existing positions closed: 4
80% less repeat investments, than reductions
Existing positions increased: 1 | Existing positions reduced: 5
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
OMC
Old Mission Capital
Chicago,
Illinois
|
+$228K |
| 2 |
APFP
Action Point Financial Planning
Grand Rapids,
Michigan
|
+$151K |
| 3 |
NECFA
New England Capital Financial Advisors
Meriden,
Connecticut
|
+$3.7K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Calamos Advisors
Naperville,
Illinois
|
-$1.49M |
| 2 |
LWP
LeClair Wealth Partners
Dublin,
Ohio
|
-$421K |
| 3 |
Cetera Investment Advisers
Schaumburg,
Illinois
|
-$293K |
| 4 |
Jane Street
New York
|
-$253K |
| 5 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
-$39.7K |
CPSR Hedge Fund Activity: Q2 2026 in Review
19 of the 8,318 institutional investors tracked by Wall St. Rank reported a position in Calamos S&P 500 Structured Alt Protection ETF - March (CPSR) for Q2 2026, worth a combined $16.3M — down 10% from $18.1M a quarter earlier.
Sellers outnumbered buyers: 4 funds closed out of CPSR and 2 opened new positions — a net loss of 2 holders — while 5 trimmed existing stakes and 1 added.
The largest buyer was Old Mission Capital, opening a new position worth an estimated $228K. The largest seller was Calamos Advisors, cutting an estimated $1.49M.
- 19 institutional investors held Calamos S&P 500 Structured Alt Protection ETF - March (CPSR) as of Q2 2026, down from 21 in Q1 2026.
- Funds reported $16.3M of Calamos S&P 500 Structured Alt Protection ETF - March stock for Q2 2026, down 10% quarter-over-quarter.
- 2 funds opened new Calamos S&P 500 Structured Alt Protection ETF - March positions in Q2 2026 and 4 closed out, a net change of -2 holders.
- The largest Calamos S&P 500 Structured Alt Protection ETF - March buyer in Q2 2026 was Old Mission Capital, an estimated $228K added.
- The largest Calamos S&P 500 Structured Alt Protection ETF - March seller in Q2 2026 was Calamos Advisors, an estimated $1.49M sold.
Based on aggregated 13F filings for Q2 2026.