Calamos S&P 500 Structured Alt Protection ETF - February
CPSF
22 hedge funds and large institutions have $17.6M invested in Calamos S&P 500 Structured Alt Protection ETF - February in 2026 Q2 according to their latest regulatory filings, with 3 funds opening new positions, 0 increasing their positions, 6 reducing their positions, and 2 closing their positions.
50% more first-time investments, than exits
New positions opened: 3 | Existing positions closed: 2
5% more funds holding
Funds holding: 21 → 22 (+1)
5.91% less ownership
Funds ownership: 57.53% → 51.62% (-5.9%)
8% less capital invested
Capital invested by funds: $19.1M → $17.6M (-$1.56M)
100% less repeat investments, than reductions
Existing positions increased: 0 | Existing positions reduced: 6
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
+$575K |
| 2 |
OMC
Old Mission Capital
Chicago,
Illinois
|
+$301K |
| 3 |
TAM
Tucker Asset Management
Littleton,
Colorado
|
+$15.1K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Calamos Advisors
Naperville,
Illinois
|
-$1.57M |
| 2 |
CWM
Calamos Wealth Management
Naperville,
Illinois
|
-$676K |
| 3 |
GFG
Grantvest Financial Group
Matawan,
New Jersey
|
-$259K |
| 4 |
NLP
Next Level Private
Harrison,
New York
|
-$247K |
| 5 |
CF
Centaurus Financial
Anaheim,
California
|
-$64.7K |
CPSF Hedge Fund Activity: Q2 2026 in Review
22 of the 8,318 institutional investors tracked by Wall St. Rank reported a position in Calamos S&P 500 Structured Alt Protection ETF - February (CPSF) for Q2 2026, worth a combined $17.6M — down 8.1% from $19.1M a quarter earlier.
Buyers outnumbered sellers: 3 funds opened new CPSF positions and 2 closed out — a net gain of 1 holder — while 0 added to existing stakes and 6 trimmed.
The largest buyer was Susquehanna International Group, opening a new position worth an estimated $575K. The largest seller was Calamos Advisors, cutting an estimated $1.57M.
- 22 institutional investors held Calamos S&P 500 Structured Alt Protection ETF - February (CPSF) as of Q2 2026, up from 21 in Q1 2026.
- Funds reported $17.6M of Calamos S&P 500 Structured Alt Protection ETF - February stock for Q2 2026, down 8.1% quarter-over-quarter.
- 3 funds opened new Calamos S&P 500 Structured Alt Protection ETF - February positions in Q2 2026 and 2 closed out, a net change of +1 holder.
- The largest Calamos S&P 500 Structured Alt Protection ETF - February buyer in Q2 2026 was Susquehanna International Group, an estimated $575K added.
- The largest Calamos S&P 500 Structured Alt Protection ETF - February seller in Q2 2026 was Calamos Advisors, an estimated $1.57M sold.
Based on aggregated 13F filings for Q2 2026.