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Sutro Biopharma
STRO

Fund managers haven’t disclosed any holdings of STRO yet.

STRO Hedge Fund Activity: Q1 2026 in Review

78 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in Sutro Biopharma (STRO) for Q1 2026, worth a combined $358M — up 453% from $64.8M a quarter earlier.

Buyers outnumbered sellers: 26 funds opened new STRO positions and 9 closed out — a net gain of 17 holders — while 23 added to existing stakes and 13 trimmed.

The largest buyer was BVF Inc, opening a new position worth an estimated $22.6M. The largest seller was Millennium Management, cutting an estimated $3.76M.

  • 78 institutional investors held Sutro Biopharma (STRO) as of Q1 2026, up from 63 in Q4 2025.
  • Funds reported $358M of Sutro Biopharma stock for Q1 2026, up 453% quarter-over-quarter.
  • 26 funds opened new Sutro Biopharma positions in Q1 2026 and 9 closed out, a net change of +17 holders.
  • The largest Sutro Biopharma buyer in Q1 2026 was BVF Inc, an estimated $22.6M added.
  • The largest Sutro Biopharma seller in Q1 2026 was Millennium Management, an estimated $3.76M sold.

Based on aggregated 13F filings for Q1 2026.