Filing Flows › Sutro Biopharma (STRO) › Who owns the stock
Who owns Sutro Biopharma (STRO) stock
89 funds reported Sutro Biopharma (STRO) shares in their latest 13F filings, worth $540M in all. The largest holder is Perceptive Advisors LLC ($43.3M). Last quarter 58 funds added to their stakes and 31 cut them.
Largest holders (13F)
| Fund | Shares | Value | Change | Quarter |
|---|---|---|---|---|
| Perceptive Advisors LLC | 1,304,846 | $43.3M | increase | 2026-06-30 |
| BVF | 1,251,788 | $41.6M | unchanged | 2026-06-30 |
| Affinity Asset Advisors, LLC | 1,172,487 | $38.9M | increase | 2026-06-30 |
| BlackRock | 1,122,655 | $37.3M | increase | 2026-06-30 |
| Samsara BioCapital, LLC | 1,062,872 | $35.3M | unchanged | 2026-06-30 |
| Kynam Capital Management, LP | 872,558 | $29.0M | unchanged | 2026-06-30 |
| Orbimed Advisors LLC | 743,944 | $24.7M | decrease | 2026-06-30 |
| Balyasny Asset Management L.P. | 711,162 | $23.6M | increase | 2026-06-30 |
| Vanguard Capital Management LLC | 694,219 | $23.0M | decrease | 2026-06-30 |
| Eventide Asset Management, LLC | 585,262 | $19.4M | decrease | 2026-06-30 |
| Velan Capital Investment Management LP | 512,160 | $17.0M | unchanged | 2026-06-30 |
| Woodline Partners LP | 458,029 | $15.2M | increase | 2026-06-30 |
| ADAR1 Capital Management, LLC | 404,014 | $13.4M | decrease | 2026-06-30 |
| Geode Capital Management, LLC | 389,692 | $12.9M | increase | 2026-06-30 |
| Acadian Asset Management LLC | 373,839 | $12.4M | increase | 2026-06-30 |
Sutro Biopharma's latest quarter
Sutro Biopharma, Q2 2026: revenue $9.8M (-85% year over year), operating margin -303.8%, net loss $38.5M, operating cash flow −$38.3M. The chart follows the revenue to costs, profit and cash.
Questions
Who owns the most STRO stock?
By the latest 13F filings: Perceptive Advisors LLC ($43.3M); BVF ($41.6M); Affinity Asset Advisors, LLC ($38.9M); BlackRock ($37.3M); Samsara BioCapital, LLC ($35.3M).
What is the short interest in STRO?
1,960,929 shares were sold short at the 2026-10-15 settlement, 6.14% of the float.
Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.