Calamos S&P 500 Structured Alt Protection ETF - October
CPSO
11 hedge funds and large institutions have $9.28M invested in Calamos S&P 500 Structured Alt Protection ETF - October in 2025 Q3 according to their latest regulatory filings, with 1 funds opening new positions, 0 increasing their positions, 6 reducing their positions, and 1 closing their positions.
5.56% more ownership
Funds ownership: 52.15% → 57.71% (+5.6%)
0% more funds holding
Funds holding: 11 → 11 (0)
0% more first-time investments, than exits
New positions opened: 1 | Existing positions closed: 1
3% less capital invested
Capital invested by funds: $9.57M → $9.28M (-$295K)
100% less repeat investments, than reductions
Existing positions increased: 0 | Existing positions reduced: 6
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
RWA
Rooted Wealth Advisors
Bourbonnais,
Illinois
|
+$331K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
OMC
Old Mission Capital
Chicago,
Illinois
|
-$407K |
| 2 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
-$242K |
| 3 |
CWM
Calamos Wealth Management
Naperville,
Illinois
|
-$79.9K |
| 4 |
Calamos Advisors
Naperville,
Illinois
|
-$55.4K |
| 5 |
HI
Harbour Investments
Madison,
Wisconsin
|
-$26K |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
|
1
Calamos Advisors
Naperville,
Illinois
| $6.83M | -$55.4K | -2,089 | -0.8% |
|
2
Commonwealth Equity Services
Waltham,
Massachusetts
| $761K | -$13.1K | -495 | -2% |
|
|
CWM
3
Calamos Wealth Management
Naperville,
Illinois
| $418K | -$79.9K | -3,012 | -16% |
|
|
RWA
4
Rooted Wealth Advisors
Bourbonnais,
Illinois
| $335K | +$331K | +12,486 | New |
|
|
CAL
5
Capital Analysts LLC
Fort Washington,
Pennsylvania
| $299K | – | – | – |
|
|
SDH
6
Sloy Dahl & Holst
Vancouver,
Washington
| $288K | – | – | – |
|
|
7
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
| $201K | -$242K | -9,127 | -55% |
|
8
Morgan Stanley
New York
| $53.6K | – | – | – |
|
|
HI
9
Harbour Investments
Madison,
Wisconsin
| $42.3K | -$26K | -980 | -38% |
|
10
UBS Group
Zurich,
Switzerland
| $36.7K | -$2.15K | -81 | -6% |
|
|
CFD
11
Creative Financial Designs
Kokomo,
Indiana
| $13.5K | – | – | – |
|
|
OMC
12
Old Mission Capital
Chicago,
Illinois
| – | -$407K | -15,509 | Closed |
|
CPSO Hedge Fund Activity: Q3 2025 in Review
11 of the 7,620 institutional investors tracked by Wall St. Rank reported a position in Calamos S&P 500 Structured Alt Protection ETF - October (CPSO) for Q3 2025, worth a combined $9.28M — down 3.1% from $9.57M a quarter earlier.
Fund positioning in CPSO was balanced in Q3 2025: 1 fund opened new positions, 1 closed out, 0 added to existing stakes and 6 trimmed.
The largest buyer was Rooted Wealth Advisors, opening a new position worth an estimated $331K. The largest seller was Old Mission Capital, exiting entirely with an estimated $407K sold.
- 11 institutional investors held Calamos S&P 500 Structured Alt Protection ETF - October (CPSO) as of Q3 2025, unchanged from Q2 2025.
- Funds reported $9.28M of Calamos S&P 500 Structured Alt Protection ETF - October stock for Q3 2025, down 3.1% quarter-over-quarter.
- 1 fund opened new Calamos S&P 500 Structured Alt Protection ETF - October positions in Q3 2025 and 1 closed out, a net change of 0 holders.
- The largest Calamos S&P 500 Structured Alt Protection ETF - October buyer in Q3 2025 was Rooted Wealth Advisors, an estimated $331K added.
- The largest Calamos S&P 500 Structured Alt Protection ETF - October seller in Q3 2025 was Old Mission Capital, an estimated $407K sold.
Based on aggregated 13F filings for Q3 2025.