Sutro Biopharma, Inc. (STRO) Ownership & Trading Activity
Institutional holders, insider transactions, and congressional trades for STRO. 13F holdings as of 2026-06-30.
In 13F filings for the quarter ended June 30, 2026, 97 institutions reported holding STRO, with 16.5 million shares worth $545.7 million in aggregate.
Top Institutional Holders
| Institution | Shares | Value | Change |
|---|---|---|---|
| Perceptive Advisors | 1,304,846 | $43M | INCREASED |
| Bvf Inc/IL | 1,251,788 | $42M | UNCHANGED |
| Affinity Asset Advisors | 1,172,487 | $39M | INCREASED |
| BlackRock | 1,122,655 | $37M | INCREASED |
| Samsara Biocapital | 1,062,872 | $35M | UNCHANGED |
Full institutional holdings, insider history, and congressional trades for Sutro Biopharma, Inc. on SentiSense.