Sutro BiopharmaSTRO
13F holders, Q2 2026 (June 30)97holders +26
41new positions
14sold out
6famous investors
$33.11avg. 13F price*
At the end of Q2 2026, 97 institutions reported holding Sutro Biopharma Inc. (STRO) in their 13F filings, up 26 from Q1 2026. 41 opened new positions and 14 sold out. The largest holders were Perceptive Advisors LLC ($43.3M), BVF Inc. ($41.6M) and Affinity Asset Advisors, LLC ($38.9M). 6 famous investors held it, including Steve Cohen (0.0% of Point72 Asset Management's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).
- Company
- Sutro Biopharma Inc.
- CUSIP
- 869367201
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 41 | $58.8M |
| Exits | 14 | $34.2M |
All 13F filers, Q1 2026 → Q2 2026: 4,909,572 shares bought and 2,523,888 shares sold, net +2,385,684 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 97 holders
| Perceptive Advisors LLC | 0.67% | Add +82.4% | 1,304,846 | $43.3M |
| BVF Inc. | 1.06% | No change | 1,251,788 | $41.6M |
| Affinity Asset Advisors, LLC | 1.94% | Add +9.6% | 1,172,487 | $38.9M |
| BlackRock, Inc. | 0.00% | Add +382.5% | 1,122,655 | $37.3M |
| Samsara Biocapital, LLC | 2.90% | No change | 1,062,872 | $35.3M |
| Kynam Capital Management, LP | 1.60% | No change | 872,558 | $29.0M |
| Orbimed Advisors LLC | 0.47% | Reduce -7.1% | 743,944 | $24.7M |
| Balyasny Asset Management L.P. | 0.04% | Add +52.7% | 711,162 | $23.6M |
| Vanguard Capital Management LLC | 0.00% | Reduce -3.6% | 694,219 | $23.0M |
| Eventide Asset Management, LLC | 0.26% | Reduce -18.2% | 585,262 | $19.4M |
| Velan Capital Investment Management LP | 10.42% | No change | 512,160 | $17.0M |
| Woodline Partners LP | 0.05% | Add +0.1% | 458,029 | $15.2M |
| ADAR1 Capital Management, LLC | 0.64% | Reduce -23.0% | 404,014 | $13.4M |
| Geode Capital Management, LLC | 0.00% | Add +127.4% | 389,692 | $12.9M |
| Acadian Asset Management LLC | 0.01% | Add +11.3% | 373,839 | $12.4M |
| Millennium Management | 0.01% | Add +74.0% | 365,972 | $12.2M |
| State Street Corp. | 0.00% | Add +487.1% | 305,979 | $10.2M |
| Merck & Co., Inc. | 1.72% | New | 272,351 | $9.0M |
| Acuta Capital Partners, LLC | 6.25% | Add +0.3% | 270,251 | $9.0M |
| Ameriprise Financial Inc. | 0.00% | New | 244,669 | $8.1M |
| Point72 Asset Management | 0.01% | Reduce -65.6% | 237,827 | $7.9M |
| KVP Capital Advisors, LP | 5.52% | No change | 226,575 | $7.5M |
| UBS Group AG | 0.00% | Reduce -46.9% | 208,512 | $6.9M |
| Two Sigma Investments, LP | 0.01% | Add +209.4% | 201,688 | $6.7M |
| Vanguard Portfolio Management LLC | 0.00% | New | 197,562 | $6.6M |
| Marshall Wace, LLP | 0.00% | Reduce -21.3% | 175,246 | $5.8M |
| Nuveen, LLC | 0.00% | New | 167,997 | $5.6M |
| JPMorgan Chase & Co. | 0.00% | New | 159,627 | $5.3M |
| Goldman Sachs Group Inc. | 0.00% | Add +448.9% | 149,216 | $5.0M |
| Northern Trust Corp. | 0.00% | Add +279.7% | 125,933 | $4.2M |
| Seven Fleet Capital Management LP | 0.63% | New | 159,118 | $3.8M |
| Qube Research & Technologies Ltd | 0.00% | New | 106,610 | $3.5M |
| Vanguard Fiduciary Trust Co. | 0.00% | Add +9.9% | 104,232 | $3.5M |
| Citadel Advisors | 0.00% | Reduce -13.3% | 101,965 | $3.4M |
| Mackenzie Financial Corp. | 0.00% | New | 94,767 | $3.1M |
| Renaissance Technologies | 0.00% | Reduce -11.8% | 86,324 | $2.9M |
| Invesco Ltd. | 0.00% | Add +233.8% | 57,305 | $1.9M |
| Y-Intercept (Hong Kong) Ltd | 0.04% | New | 55,879 | $1.9M |
| Squarepoint Ops LLC | 0.00% | New | 55,539 | $1.8M |
| XTX Topco Ltd | 0.02% | Add +536.0% | 52,169 | $1.7M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +366.1% | 49,302 | $1.6M |
| Sigma Planning Corp | 0.04% | Add +259.6% | 45,020 | $1.5M |
| Bank of New York Mellon Corp | 0.00% | New | 41,369 | $1.4M |
| Barclays PLC | 0.00% | Add +26485.6% | 36,954 | $1.2M |
| Bank of America Corp. | 0.00% | Add +91.5% | 36,140 | $1.2M |
| Fisher Asset Management | 0.00% | No change | 35,295 | $1.2M |
| Elmind Capital, LP | 0.27% | New | 32,037 | $1.1M |
| D. E. Shaw & Co. | 0.00% | New | 30,128 | $1.0M |
| Trexquant Investment LP | 0.01% | Reduce -19.5% | 27,636 | $918K |
| BNP Paribas Financial Markets | 0.00% | Add +24569.4% | 27,383 | $909K |
| Rhumbline Advisers | 0.00% | New | 20,628 | $685K |
| Gsa Capital Partners LLP | 0.04% | Reduce -23.5% | 19,749 | $656K |
| Sei Investments Co. | 0.00% | New | 16,387 | $544K |
| Informed Momentum Co LLC | 0.05% | New | 16,232 | $539K |
| Deutsche Bank AG | 0.00% | New | 15,563 | $517K |
| RBF Capital, LLC | 0.02% | No change | 15,272 | $507K |
| T. Rowe Price Associates Inc. | 0.00% | New | 13,597 | $452K |
| Wells Fargo & Company | 0.00% | New | 13,544 | $450K |
| Morgan Stanley | 0.00% | Add +17.4% | 12,356 | $410K |
| Wellington Management Group LLP | 0.00% | New | 10,800 | $359K |
| MetLife Investment Management, LLC | 0.00% | New | 9,401 | $312K |
| Walleye Capital LLC | 0.00% | New | 9,306 | $309K |
| Integrated Quantitative Investments LLC | 0.05% | New | 8,939 | $297K |
| Susquehanna International Group, LLP | 0.00% | Reduce -90.1% | 8,426 | $280K |
| Lighthouse Investment Partners, LLC | 0.01% | New | 8,368 | $278K |
| Citigroup Inc. | 0.00% | Reduce -60.4% | 7,456 | $248K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | New | 7,313 | $243K |
| Alliancebernstein L.P. | 0.00% | New | 7,300 | $242K |
| State Board of Administration of Florida Retirement System | 0.00% | New | 7,001 | $232K |
| Persistent Asset Partners Ltd | 0.07% | Reduce -11.4% | 6,569 | $218K |
| Verdad Advisers, LP | 0.20% | New | 6,400 | $212K |
| HSBC Holdings PLC | 0.00% | New | 6,234 | $206K |
| New York State Common Retirement Fund | 0.00% | New | 5,600 | $186K |
| Vanguard Global Advisers, LLC | 0.00% | Reduce -24.2% | 5,445 | $181K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | New | 4,704 | $156K |
| Legal & General Group Plc | 0.00% | New | 3,462 | $115K |
| State of Wyoming | 0.01% | New | 1,618 | $54K |
| Ameritas Investment Partners, Inc. | 0.00% | New | 1,448 | $48K |
| FMR LLC | 0.00% | Add +27.5% | 1,339 | $44K |
| Russell Investments Group, Ltd. | 0.00% | New | 1,275 | $42K |
| FNY Investment Advisers, LLC | 0.01% | No change | 1,000 | $33K |
| Tower Research Capital LLC (TRC) | 0.00% | New | 866 | $29K |
| Royal Bank of Canada | 0.00% | Add +5625.0% | 687 | $23K |
| Owl Creek Wealth Partners LLC | 0.00% | No change | 491 | $16K |
| Sterling Capital Management LLC | 0.00% | New | 281 | $9K |
| California State Teachers Retirement System | 0.00% | New | 220 | $7K |
| Quantbot Technologies LP | 0.00% | New | 201 | $7K |
| Physician Wealth Advisors, Inc. | 0.00% | No change | 182 | $6K |
| Osaic Holdings, Inc. | 0.00% | Reduce -92.2% | 100 | $3K |
| PNC Financial Services Group, Inc. | 0.00% | No change | 62 | $2K |
| Nisa Investment Advisors, LLC | 0.00% | No change | 44 | $1K |
| Avion Wealth | 0.00% | Reduce -36.1% | 46 | $1K |
| HighMark Wealth Management LLC | 0.00% | No change | 23 | $763 |
| Arax Advisory Partners | 0.00% | Reduce -61.0% | 16 | $531 |
| Fifth Third Bancorp | 0.00% | No change | 2 | $66 |
| Steward Partners Investment Advisory, LLC | 0.00% | New | 2 | $66 |
| Optiver Holding B.V. | 0.00% | New | 2 | $66 |
"% of holder's portfolio" is STRO's weight in each manager's 13F, not the share of Sutro Biopharma Inc. the manager owns.