Cardio Diagnostics

CDIO

Market cap $5.3M

CDIO Hedge Fund Activity: Q1 2026 in Review

16 of the 8,150 institutional investors tracked by Wall St. Rank reported a position in Cardio Diagnostics (CDIO) for Q1 2026, worth a combined $538K — up 53% from $351K a quarter earlier.

Buyers outnumbered sellers: 6 funds opened new CDIO positions and 5 closed out — a net gain of 1 holder — while 3 added to existing stakes and 3 trimmed.

The largest buyer was Jane Street, opening a new position worth an estimated $213K. The largest seller was DRW Securities, exiting entirely with an estimated $110K sold.

• 16 institutional investors held Cardio Diagnostics (CDIO) as of Q1 2026, unchanged from Q4 2025.
• Funds reported $538K of Cardio Diagnostics stock for Q1 2026, up 53% quarter-over-quarter.
• 6 funds opened new Cardio Diagnostics positions in Q1 2026 and 5 closed out, a net change of +1 holder.
• The largest Cardio Diagnostics buyer in Q1 2026 was Jane Street, an estimated $213K added.
• The largest Cardio Diagnostics seller in Q1 2026 was DRW Securities, an estimated $110K sold.

Based on aggregated 13F filings for Q1 2026.