Calamos Russell 2000 Structured Alt Protection ETF - October
CPRO
20 hedge funds and large institutions have $14.3M invested in Calamos Russell 2000 Structured Alt Protection ETF - October in 2026 Q1 according to their latest regulatory filings, with 4 funds opening new positions, 3 increasing their positions, 5 reducing their positions, and 5 closing their positions.
5.02% more ownership
Funds ownership: 42.73% → 47.76% (+5%)
3% more capital invested
Capital invested by funds: $13.8M → $14.3M (+$447K)
5% less funds holding
Funds holding: 21 → 20 (-1)
20% less first-time investments, than exits
New positions opened: 4 | Existing positions closed: 5
40% less repeat investments, than reductions
Existing positions increased: 3 | Existing positions reduced: 5
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Calamos Advisors
Naperville,
Illinois
|
+$959K |
| 2 |
OMC
Old Mission Capital
Chicago,
Illinois
|
+$615K |
| 3 |
HI
Harbour Investments
Madison,
Wisconsin
|
+$185K |
| 4 |
FFA
Farther Finance Advisors
San Francisco,
California
|
+$55.1K |
| 5 |
UBS Group
Zurich,
Switzerland
|
+$4.85K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
-$735K |
| 2 |
T
TrustBank
Olney,
Illinois
|
-$287K |
| 3 |
CWM
Calamos Wealth Management
Naperville,
Illinois
|
-$228K |
| 4 |
KAS
Kestra Advisory Services
Austin,
Texas
|
-$71.9K |
| 5 |
Commonwealth Equity Services
Waltham,
Massachusetts
|
-$63.1K |
CPRO Hedge Fund Activity: Q1 2026 in Review
20 of the 8,191 institutional investors tracked by Wall St. Rank reported a position in Calamos Russell 2000 Structured Alt Protection ETF - October (CPRO) for Q1 2026, worth a combined $14.3M — up 3.2% from $13.8M a quarter earlier.
Sellers outnumbered buyers: 5 funds closed out of CPRO and 4 opened new positions — a net loss of 1 holder — while 5 trimmed existing stakes and 3 added.
The largest buyer was Calamos Advisors, opening a new position worth an estimated $959K. The largest seller was Susquehanna International Group, cutting an estimated $735K.
- 20 institutional investors held Calamos Russell 2000 Structured Alt Protection ETF - October (CPRO) as of Q1 2026, down from 21 in Q4 2025.
- Funds reported $14.3M of Calamos Russell 2000 Structured Alt Protection ETF - October stock for Q1 2026, up 3.2% quarter-over-quarter.
- 4 funds opened new Calamos Russell 2000 Structured Alt Protection ETF - October positions in Q1 2026 and 5 closed out, a net change of -1 holder.
- The largest Calamos Russell 2000 Structured Alt Protection ETF - October buyer in Q1 2026 was Calamos Advisors, an estimated $959K added.
- The largest Calamos Russell 2000 Structured Alt Protection ETF - October seller in Q1 2026 was Susquehanna International Group, an estimated $735K sold.
Based on aggregated 13F filings for Q1 2026.