SUTRO BIOPHARMA, INC. - STRO
Detailed investor-level table based on 13F positions.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| BVF INC/IL | History | New | 1,251,788 | 31,182 | 0.99% | — | 1 | +1,251,788 | New | Q1 2026 | May 15, 2026 |
| Affinity Asset Advisors, LLC | History | Added to | 1,069,519 | 26,641 | 1.38% | 0.49% | 2 | +321,137 | 42.91% | Q1 2026 | May 14, 2026 |
| Samsara BioCapital, LLC | History | Added to | 1,062,872 | 26,476 | 2.57% | 0.24% | 3 | +858,369 | 419.73% | Q1 2026 | May 15, 2026 |
| Kynam Capital Management, LP | History | Added to | 872,558 | 21,735 | 1.34% | 0.35% | 4 | +392,968 | 81.94% | Q1 2026 | May 15, 2026 |
| ORBIMED ADVISORS LLC | History | New | 801,144 | 19,956 | 0.4% | — | 5 | +801,144 | New | Q1 2026 | May 15, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | History | New | 720,442 | 17,946 | 0.0% | — | 6 | +720,442 | New | Q1 2026 | May 15, 2026 |
| PERCEPTIVE ADVISORS LLC | History | New | 715,307 | 17,818 | 0.35% | — | 7 | +715,307 | New | Q1 2026 | May 29, 2026 |
| RA CAPITAL MANAGEMENT, L.P. | History | New | 715,307 | 17,818 | 0.19% | — | 8 | +715,307 | New | Q1 2026 | May 15, 2026 |
| EVENTIDE ASSET MANAGEMENT, LLC | History | New | 715,307 | 17,818 | 0.29% | — | 9 | +715,307 | New | Q1 2026 | May 15, 2026 |
| Point72 Asset Management, L.P. | History | Added to | 692,111 | 17,240 | 0.02% | 0.0% | 10 | +513,023 | 286.46% | Q1 2026 | May 15, 2026 |
| ADAR1 Capital Management, LLC | History | Added to | 524,441 | 13,063 | 0.77% | 0.06% | 11 | +457,364 | 681.85% | Q1 2026 | May 15, 2026 |
| Velan Capital Investment Management LP | History | Added to | 512,160 | 12,757 | 7.99% | 2.09% | 12 | +200,160 | 64.15% | Q1 2026 | May 15, 2026 |
| BALYASNY ASSET MANAGEMENT L.P. | History | Added to | 465,792 | 11,602 | 0.02% | 0.0% | 13 | +235,743 | 102.48% | Q1 2026 | May 15, 2026 |
| Woodline Partners LP | History | New | 457,441 | 11,394 | 0.04% | — | 14 | +457,441 | New | Q1 2026 | May 15, 2026 |
| UBS Group AG | History | Added to | 392,871 | 9,786 | 0.0% | 0.0% | 15 | +385,001 | 4892.01% | Q1 2026 | May 05, 2026 |
| ACADIAN ASSET MANAGEMENT LLC | History | Reduced | 335,813 | 8,363 | 0.01% | 0.01% | 16 | -2,140 | -0.63% | Q1 2026 | May 13, 2026 |
| Merck & Co., Inc. | History | No change | 272,351 | 6,784 | 1.94% | 1.14% | 17 | 0 | 0.0% | Q1 2026 | May 13, 2026 |
| ACUTA CAPITAL PARTNERS, LLC | History | Added to | 269,425 | 6,711 | 4.73% | 0.53% | 18 | +201,974 | 299.44% | Q1 2026 | May 15, 2026 |
| BlackRock, Inc. | History | Added to | 232,684 | 5,796 | 0.0% | 0.0% | 19 | +115,247 | 98.14% | Q1 2026 | May 13, 2026 |
| KVP Capital Advisors, LP | History | New | 226,575 | 5,643 | 4.21% | — | 20 | +226,575 | New | Q1 2026 | May 13, 2026 |
| MARSHALL WACE, LLP | History | Added to | 222,634 | 5,545 | 0.01% | 0.0% | 21 | +137,019 | 160.04% | Q1 2026 | May 14, 2026 |
| MILLENNIUM MANAGEMENT LLC | History | Reduced | 210,378 | 5,240 | 0.0% | 0.0% | 22 | -207,818 | -49.69% | Q1 2026 | May 15, 2026 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | History | No change | 200,000 | 4,982 | 0.01% | 0.0% | 23 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| Opaleye Management Inc. | History | No change | 190,671 | 4,749 | 0.63% | 0.29% | 24 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| VANGUARD GROUP INC | History | No change | 375,786 | 4,347 | 0.0% | 0.0% | 25 | 0 | 0.0% | Q4 2025 | Jan 29, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Added to | 171,386 | 4,272 | 0.0% | 0.0% | 26 | +87,407 | 104.08% | Q1 2026 | May 15, 2026 |
| CITADEL ADVISORS LLC | History | Added to | 142,337 | 3,545 | 0.0% | 0.0% | 27 | +110,252 | 343.62% | Q1 2026 | May 15, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | History | New | 121,502 | 3,026 | 0.0% | — | 28 | +121,502 | New | Q1 2026 | May 15, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | History | Reduced | 97,824 | 2,436 | 0.0% | 0.0% | 29 | -25,041 | -20.38% | Q1 2026 | May 14, 2026 |
| VANGUARD FIDUCIARY TRUST CO | History | New | 94,838 | 2,362 | 0.0% | — | 30 | +94,838 | New | Q1 2026 | May 08, 2026 |
| Eversept Partners, LP | History | Reduced | 73,161 | 1,822 | 0.1% | 0.11% | 31 | -120,410 | -62.2% | Q1 2026 | May 15, 2026 |
| Burkehill Global Management, LP | History | New | 71,530 | 1,781 | 0.09% | — | 32 | +71,530 | New | Q1 2026 | May 15, 2026 |
| TWO SIGMA INVESTMENTS, LP | History | Added to | 65,176 | 1,623 | 0.0% | 0.0% | 33 | +18,684 | 40.19% | Q1 2026 | May 15, 2026 |
| STATE STREET CORP | History | Added to | 52,118 | 1,298 | 0.0% | 0.0% | 34 | +17,852 | 52.1% | Q1 2026 | May 15, 2026 |
| Fisher Asset Management, LLC | History | Reduced | 35,295 | 879 | 0.0% | 0.0% | 35 | -10 | -0.03% | Q1 2026 | May 05, 2026 |
| Trexquant Investment LP | History | New | 34,343 | 855 | 0.01% | — | 36 | +34,343 | New | Q1 2026 | May 15, 2026 |
| NORTHERN TRUST CORP | History | Added to | 33,166 | 826 | 0.0% | 0.0% | 37 | +18,787 | 130.66% | Q1 2026 | May 14, 2026 |
| JANE STREET GROUP, LLC | History | Added to | 27,760 | 691 | 0.0% | 0.0% | 38 | +4,815 | 20.98% | Q1 2026 | May 12, 2026 |
| GOLDMAN SACHS GROUP INC | History | Added to | 27,187 | 677 | 0.0% | 0.0% | 39 | +11,518 | 73.51% | Q1 2026 | May 15, 2026 |
| GSA CAPITAL PARTNERS LLP | History | Reduced | 25,822 | 643 | 0.04% | 0.09% | 40 | -63,245 | -71.01% | Q1 2026 | May 08, 2026 |
| STEMPOINT CAPITAL LP | History | New | 23,295 | 580 | 0.11% | — | 41 | +23,295 | New | Q1 2026 | May 15, 2026 |
| BANK OF AMERICA CORP /DE/ | History | Added to | 18,873 | 470 | 0.0% | 0.0% | 42 | +14,661 | 348.08% | Q1 2026 | May 15, 2026 |
| CITIGROUP INC | History | Added to | 18,845 | 469 | 0.0% | 0.0% | 43 | +17,802 | 1706.81% | Q1 2026 | May 11, 2026 |
| Brevan Howard Capital Management LP | History | New | 18,791 | 468 | 0.0% | — | 44 | +18,791 | New | Q1 2026 | May 15, 2026 |
| AJU IB Investment Co., Ltd. | History | No change | 17,500 | 435 | 1.43% | 0.89% | 45 | 0 | 0.0% | Q1 2026 | May 08, 2026 |
| Invesco Ltd. | History | Added to | 17,165 | 427 | 0.0% | 0.0% | 46 | +195 | 1.15% | Q1 2026 | May 12, 2026 |
| RBF Capital, LLC | History | No change | 15,272 | 380 | 0.02% | 0.01% | 47 | 0 | 0.0% | Q1 2026 | May 18, 2026 |
| Hudson Bay Capital Management LP | History | New | 14,768 | 367 | 0.0% | — | 48 | +14,768 | New | Q1 2026 | May 13, 2026 |
| Sigma Planning Corp | History | New | 12,520 | 311 | 0.01% | — | 49 | +12,520 | New | Q1 2026 | May 04, 2026 |
| Jump Financial, LLC | History | New | 12,385 | 308 | 0.0% | — | 50 | +12,385 | New | Q1 2026 | May 14, 2026 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | History | New | 10,577 | 263 | 0.0% | — | 51 | +10,577 | New | Q1 2026 | May 15, 2026 |
| MORGAN STANLEY | History | Reduced | 10,529 | 262 | 0.0% | 0.0% | 52 | -5,393 | -33.87% | Q1 2026 | May 15, 2026 |
| OMERS ADMINISTRATION Corp | History | Reduced | 8,700 | 216 | 0.0% | 0.0% | 53 | -2,323 | -21.07% | Q1 2026 | May 15, 2026 |
| AQR CAPITAL MANAGEMENT LLC | History | Reduced | 8,605 | 214 | 0.0% | 0.0% | 54 | -9,429 | -52.28% | Q1 2026 | May 15, 2026 |
| XTX Topco Ltd | History | New | 8,203 | 204 | 0.0% | — | 55 | +8,203 | New | Q1 2026 | May 15, 2026 |
| TWO SIGMA ADVISERS, LP | History | No change | 17,580 | 203 | 0.0% | 0.0% | 56 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| Persistent Asset Partners Ltd | History | New | 7,411 | 184 | 0.07% | — | 58 | +7,411 | New | Q1 2026 | May 12, 2026 |
| State of Tennessee, Department of Treasury | History | No change | 7,400 | 184 | 0.0% | 0.0% | 57 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| Vanguard Global Advisers, LLC | History | New | 7,182 | 178 | 0.0% | — | 59 | +7,182 | New | Q1 2026 | May 08, 2026 |
| OSAIC HOLDINGS, INC. | History | Reduced | 1,280 | 31 | 0.0% | 0.0% | 60 | -58 | -4.33% | Q1 2026 | May 15, 2026 |
| FMR LLC | History | Reduced | 1,050 | 26 | 0.0% | 0.0% | 61 | -58 | -5.23% | Q1 2026 | May 15, 2026 |
| CWM, LLC | History | Reduced | 983 | 24 | 0.0% | 0.0% | 62 | -516 | -34.42% | Q1 2026 | May 14, 2026 |
| FNY Investment Advisers, LLC | History | No change | 1,000 | 24 | 0.01% | 0.0% | 63 | 0 | 0.0% | Q1 2026 | Apr 15, 2026 |
| Owl Creek Wealth Partners LLC | History | New | 491 | 12 | 0.0% | — | 64 | +491 | New | Q1 2026 | May 13, 2026 |
| Physician Wealth Advisors, Inc. | History | No change | 182 | 4 | 0.0% | 0.0% | 65 | 0 | 0.0% | Q1 2026 | Apr 24, 2026 |
| BARCLAYS PLC | History | New | 139 | 3 | 0.0% | — | 66 | +139 | New | Q1 2026 | May 14, 2026 |
| BNP PARIBAS FINANCIAL MARKETS | History | No change | 111 | 2 | 0.0% | 0.0% | 67 | 0 | 0.0% | Q1 2026 | May 12, 2026 |
| SIMPLEX TRADING, LLC | History | New | 62 | 1 | 0.0% | — | 74 | +62 | New | Q1 2026 | May 14, 2026 |
| PNC FINANCIAL SERVICES GROUP, INC. | History | No change | 62 | 1 | 0.0% | — | 68 | 0 | 0.0% | Q1 2026 | May 08, 2026 |
| NISA INVESTMENT ADVISORS, LLC | History | No change | 44 | 1 | 0.0% | — | 69 | 0 | 0.0% | Q1 2026 | Apr 30, 2026 |
| Parallel Advisors, LLC | History | No change | 47 | 1 | 0.0% | — | 70 | 0 | 0.0% | Q1 2026 | Jun 02, 2026 |
| Bogart Wealth, LLC | History | No change | 50 | 1 | 0.0% | — | 71 | 0 | 0.0% | Q1 2026 | Apr 28, 2026 |
| Avion Wealth | History | No change | 72 | 1 | 0.0% | — | 72 | 0 | 0.0% | Q1 2026 | May 01, 2026 |
| Fortitude Family Office, LLC | History | No change | 56 | 1 | 0.0% | — | 73 | 0 | 0.0% | Q1 2026 | Apr 15, 2026 |
| Vestal Point Capital, LP | History | Closed out | 0 | 0 | — | 0.1% | — | -243,000 | -100.0% | Q1 2026 | May 15, 2026 |
| TANG CAPITAL MANAGEMENT LLC | History | Closed out | 0 | 0 | — | 0.08% | — | -139,617 | -100.0% | Q1 2026 | May 15, 2026 |
| Spruce Street Capital LP | History | Closed out | 0 | 0 | — | 0.29% | — | -75,594 | -100.0% | Q1 2026 | May 14, 2026 |
| Shay Capital LLC | History | Closed out | 0 | 0 | — | 0.03% | — | -24,255 | -100.0% | Q1 2026 | May 15, 2026 |
| JPMORGAN CHASE & CO | History | Closed out | 0 | 0 | — | 0.0% | — | -741 | -100.0% | Q1 2026 | May 13, 2026 |
| WELLS FARGO & COMPANY/MN | History | Closed out | 0 | 0 | — | 0.0% | — | -100 | -100.0% | Q1 2026 | May 11, 2026 |
| Arax Advisory Partners | History | Added to | 41 | 0 | — | — | — | +38 | 1266.67% | Q1 2026 | May 13, 2026 |
| Advisory Services Network, LLC | History | New | 15 | 0 | — | — | — | +15 | New | Q1 2026 | May 15, 2026 |
| EverSource Wealth Advisors, LLC | History | Reduced | 19 | 0 | — | — | — | -12 | -38.71% | Q1 2026 | May 15, 2026 |
| Essential Partners LLC | History | Closed out | 0 | 0 | — | — | — | -4 | -100.0% | Q1 2026 | May 21, 2026 |
| FIFTH THIRD BANCORP | History | New | 2 | 0 | — | — | — | +2 | New | Q1 2026 | May 01, 2026 |
| GROUP ONE TRADING LLC | History | Closed out | 0 | 0 | — | — | — | -2 | -100.0% | Q1 2026 | May 13, 2026 |
| ROYAL BANK OF CANADA | History | Added to | 12 | 0 | — | — | — | +1 | 9.09% | Q1 2026 | May 15, 2026 |
| COMERICA BANK | History | No change | 3 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Jan 29, 2026 |
| HighMark Wealth Management LLC | History | No change | 23 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 05, 2026 |