Biodesix

BDSX

Market cap $209M

BDSX Hedge Fund Activity: Q1 2026 in Review

40 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in Biodesix (BDSX) for Q1 2026, worth a combined $56.6M — up 411% from $11.1M a quarter earlier.

Buyers outnumbered sellers: 24 funds opened new BDSX positions and 9 closed out — a net gain of 15 holders — while 6 added to existing stakes and 2 trimmed.

The largest buyer was AIGH Capital Management, opening a new position worth an estimated $9.4M. The largest seller was Monashee Investment Management, exiting entirely with an estimated $764K sold.

• 40 institutional investors held Biodesix (BDSX) as of Q1 2026, up from 26 in Q4 2025.
• Funds reported $56.6M of Biodesix stock for Q1 2026, up 411% quarter-over-quarter.
• 24 funds opened new Biodesix positions in Q1 2026 and 9 closed out, a net change of +15 holders.
• The largest Biodesix buyer in Q1 2026 was AIGH Capital Management, an estimated $9.4M added.
• The largest Biodesix seller in Q1 2026 was Monashee Investment Management, an estimated $764K sold.

Based on aggregated 13F filings for Q1 2026.