Calamos Russell 2000 Structured Alt Protection ETF - October

CPRO

Market cap $28.3M

CPRO Hedge Fund Activity: Q1 2026 in Review

20 of the 8,127 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.

Fund positioning in CPRO was balanced in Q1 2026: 4 funds opened new positions, 4 closed out, 3 added to existing stakes and 5 trimmed.

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 4 closed out, a net change of 0 holders.
• 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.