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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| PERCEPTIVE ADVISORS LLC | History | Added to | 1,304,846 | 43,320 | 0.65% | 0.35% | 1 | +589,539 | 82.42% | Q2 2026 | Aug 14, 2026 |
| BVF INC/IL | History | No change | 1,251,788 | 41,559 | 1.06% | 0.99% | 2 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Affinity Asset Advisors, LLC | History | Added to | 1,172,487 | 38,926 | 1.76% | 1.38% | 3 | +102,968 | 9.63% | Q2 2026 | Aug 13, 2026 |
| BlackRock, Inc. | History | Added to | 1,122,655 | 37,272 | 0.0% | 0.0% | 4 | +889,971 | 382.48% | Q2 2026 | Aug 07, 2026 |
| Samsara BioCapital, LLC | History | No change | 1,062,872 | 35,287 | 2.9% | 2.57% | 5 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Kynam Capital Management, LP | History | No change | 872,558 | 28,968 | 1.6% | 1.34% | 6 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| ORBIMED ADVISORS LLC | History | Reduced | 743,944 | 24,698 | 0.46% | 0.4% | 7 | -57,200 | -7.14% | Q2 2026 | Aug 14, 2026 |
| BALYASNY ASSET MANAGEMENT L.P. | History | Added to | 711,162 | 23,610 | 0.03% | 0.02% | 8 | +245,370 | 52.68% | Q2 2026 | Aug 14, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | History | Reduced | 694,219 | 23,048 | 0.0% | 0.0% | 9 | -26,223 | -3.64% | Q2 2026 | Aug 13, 2026 |
| EVENTIDE ASSET MANAGEMENT, LLC | History | Reduced | 585,262 | 19,430 | 0.26% | 0.29% | 10 | -130,045 | -18.18% | Q2 2026 | Aug 14, 2026 |
| Velan Capital Investment Management LP | History | No change | 512,160 | 17,003 | 10.35% | 7.99% | 11 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Woodline Partners LP | History | Added to | 458,029 | 15,206 | 0.05% | 0.04% | 12 | +588 | 0.13% | Q2 2026 | Aug 14, 2026 |
| ADAR1 Capital Management, LLC | History | Reduced | 404,014 | 13,413 | 0.61% | 0.77% | 13 | -120,427 | -22.96% | Q2 2026 | Aug 14, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Added to | 389,692 | 12,940 | 0.0% | 0.0% | 14 | +218,306 | 127.38% | Q2 2026 | Aug 12, 2026 |
| ACADIAN ASSET MANAGEMENT LLC | History | Added to | 373,839 | 12,405 | 0.01% | 0.01% | 15 | +38,026 | 11.32% | Q2 2026 | Aug 13, 2026 |
| MILLENNIUM MANAGEMENT LLC | History | Added to | 365,972 | 12,150 | 0.0% | 0.0% | 16 | +155,594 | 73.96% | Q2 2026 | Aug 14, 2026 |
| STATE STREET CORP | History | Added to | 305,979 | 10,158 | 0.0% | 0.0% | 17 | +253,861 | 487.09% | Q2 2026 | Aug 07, 2026 |
| Merck & Co., Inc. | History | No change | 272,351 | 9,042 | 1.72% | 1.94% | 18 | 0 | 0.0% | Q2 2026 | Aug 07, 2026 |
| ACUTA CAPITAL PARTNERS, LLC | History | Added to | 270,251 | 8,972 | 6.25% | 4.73% | 19 | +826 | 0.31% | Q2 2026 | Aug 14, 2026 |
| AMERIPRISE FINANCIAL INC | History | New | 244,669 | 8,123 | 0.0% | — | 20 | +244,669 | New | Q2 2026 | Aug 14, 2026 |
| Point72 Asset Management, L.P. | History | Reduced | 237,827 | 7,895 | 0.01% | 0.02% | 21 | -454,284 | -65.64% | Q2 2026 | Aug 14, 2026 |
| KVP Capital Advisors, LP | History | No change | 226,575 | 7,522 | 5.52% | 4.21% | 22 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| UBS Group AG | History | Reduced | 208,512 | 6,922 | 0.0% | 0.0% | 23 | -184,359 | -46.93% | Q2 2026 | Aug 13, 2026 |
| TWO SIGMA INVESTMENTS, LP | History | Added to | 201,688 | 6,696 | 0.0% | 0.0% | 24 | +136,512 | 209.45% | Q2 2026 | Aug 14, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | History | New | 197,562 | 6,559 | 0.0% | — | 25 | +197,562 | New | Q2 2026 | Aug 13, 2026 |
| MARSHALL WACE, LLP | History | Reduced | 175,246 | 5,818 | 0.0% | 0.01% | 26 | -47,388 | -21.29% | Q2 2026 | Aug 13, 2026 |
| Nuveen, LLC | History | New | 167,997 | 5,577 | 0.0% | — | 27 | +167,997 | New | Q2 2026 | Aug 11, 2026 |
| JPMORGAN CHASE & CO | History | New | 159,627 | 5,323 | 0.0% | — | 28 | +159,627 | New | Q2 2026 | Aug 12, 2026 |
| GOLDMAN SACHS GROUP INC | History | Added to | 149,216 | 4,953 | 0.0% | 0.0% | 29 | +122,029 | 448.85% | Q2 2026 | Aug 14, 2026 |
| NORTHERN TRUST CORP | History | Added to | 125,933 | 4,180 | 0.0% | 0.0% | 30 | +92,767 | 279.71% | Q2 2026 | Aug 13, 2026 |
| Seven Fleet Capital Management LP | History | New | 159,118 | 3,794 | 0.63% | — | 31 | +159,118 | New | Q2 2026 | Aug 14, 2026 |
| Qube Research & Technologies Ltd | History | New | 106,610 | 3,539 | 0.0% | — | 32 | +106,610 | New | Q2 2026 | Aug 14, 2026 |
| VANGUARD FIDUCIARY TRUST CO | History | Added to | 104,232 | 3,460 | 0.0% | 0.0% | 33 | +9,394 | 9.91% | Q2 2026 | Aug 13, 2026 |
| CITADEL ADVISORS LLC | History | Reduced | 101,965 | 3,385 | 0.0% | 0.0% | 34 | -40,372 | -28.36% | Q2 2026 | Sep 02, 2026 |
| MACKENZIE FINANCIAL CORP | History | New | 94,767 | 3,146 | 0.0% | — | 35 | +94,767 | New | Q2 2026 | Aug 13, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | History | Reduced | 86,324 | 2,865 | 0.0% | 0.0% | 36 | -11,500 | -11.76% | Q2 2026 | Aug 13, 2026 |
| Invesco Ltd. | History | Added to | 57,305 | 1,902 | 0.0% | 0.0% | 37 | +40,140 | 233.85% | Q2 2026 | Aug 14, 2026 |
| Y-Intercept (Hong Kong) Ltd | History | New | 55,879 | 1,855 | 0.04% | — | 38 | +55,879 | New | Q2 2026 | Jul 13, 2026 |
| Squarepoint Ops LLC | History | New | 55,539 | 1,843 | 0.0% | — | 39 | +55,539 | New | Q2 2026 | Aug 14, 2026 |
| XTX Topco Ltd | History | Added to | 52,169 | 1,732 | 0.02% | 0.0% | 40 | +43,966 | 535.97% | Q2 2026 | Aug 14, 2026 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | History | Added to | 49,302 | 1,636 | 0.0% | 0.0% | 41 | +38,725 | 366.12% | Q2 2026 | Aug 14, 2026 |
| Sigma Planning Corp | History | Added to | 45,020 | 1,494 | 0.04% | 0.01% | 42 | +32,500 | 259.58% | Q2 2026 | Aug 07, 2026 |
| Bank of New York Mellon Corp | History | New | 41,369 | 1,373 | 0.0% | — | 43 | +41,369 | New | Q2 2026 | Aug 06, 2026 |
| BARCLAYS PLC | History | Added to | 36,954 | 1,226 | 0.0% | 0.0% | 44 | +36,815 | 26485.61% | Q2 2026 | Aug 14, 2026 |
| BANK OF AMERICA CORP /DE/ | History | Added to | 36,140 | 1,199 | 0.0% | 0.0% | 45 | +17,267 | 91.49% | Q2 2026 | Aug 14, 2026 |
| Fisher Asset Management, LLC | History | No change | 35,295 | 1,171 | 0.0% | 0.0% | 46 | 0 | 0.0% | Q2 2026 | Aug 04, 2026 |
| Elmind Capital, LP | History | New | 32,037 | 1,063 | 0.27% | — | 47 | +32,037 | New | Q2 2026 | Aug 14, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | History | Reduced | 30,526 | 1,013 | 0.0% | 0.0% | 48 | -90,976 | -74.88% | Q2 2026 | Aug 14, 2026 |
| D. E. Shaw & Co., Inc. | History | New | 30,128 | 1,000 | 0.0% | — | 49 | +30,128 | New | Q2 2026 | Aug 14, 2026 |
| Trexquant Investment LP | History | Reduced | 27,636 | 917 | 0.01% | 0.01% | 50 | -6,707 | -19.53% | Q2 2026 | Aug 14, 2026 |
| BNP PARIBAS FINANCIAL MARKETS | History | Added to | 27,383 | 909 | 0.0% | 0.0% | 51 | +27,272 | 24569.37% | Q2 2026 | Aug 13, 2026 |
| RHUMBLINE ADVISERS | History | New | 20,628 | 684 | 0.0% | — | 52 | +20,628 | New | Q2 2026 | Aug 11, 2026 |
| GSA CAPITAL PARTNERS LLP | History | Reduced | 19,749 | 656 | 0.04% | 0.04% | 53 | -6,073 | -23.52% | Q2 2026 | Aug 06, 2026 |
| SEI INVESTMENTS CO | History | New | 16,387 | 544 | 0.0% | — | 54 | +16,387 | New | Q2 2026 | Aug 14, 2026 |
| Informed Momentum Co LLC | History | New | 16,232 | 538 | 0.05% | — | 55 | +16,232 | New | Q2 2026 | Aug 13, 2026 |
| DEUTSCHE BANK AG\ | History | New | 15,563 | 516 | 0.0% | — | 56 | +15,563 | New | Q2 2026 | Aug 07, 2026 |
| RBF Capital, LLC | History | No change | 15,272 | 507 | 0.02% | 0.02% | 57 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| PRICE T ROWE ASSOCIATES INC /MD/ | History | New | 13,597 | 452 | 0.0% | — | 58 | +13,597 | New | Q2 2026 | Aug 14, 2026 |
| WELLS FARGO & COMPANY/MN | History | New | 13,544 | 449 | 0.0% | — | 59 | +13,544 | New | Q2 2026 | Aug 14, 2026 |
| AJU IB Investment Co., Ltd. | History | No change | 17,500 | 435 | 1.43% | 1.43% | 60 | 0 | 0.0% | Q1 2026 | May 08, 2026 |
| MORGAN STANLEY | History | Added to | 12,356 | 410 | 0.0% | 0.0% | 61 | +1,827 | 17.35% | Q2 2026 | Aug 13, 2026 |
| WELLINGTON MANAGEMENT GROUP LLP | History | New | 10,800 | 358 | 0.0% | — | 62 | +10,800 | New | Q2 2026 | Aug 14, 2026 |
| MetLife Investment Management, LLC | History | New | 9,401 | 312 | 0.0% | — | 63 | +9,401 | New | Q2 2026 | Aug 13, 2026 |
| Walleye Capital LLC | History | New | 9,306 | 308 | 0.0% | — | 64 | +9,306 | New | Q2 2026 | Aug 03, 2026 |
| Integrated Quantitative Investments LLC | History | New | 8,939 | 296 | 0.05% | — | 65 | +8,939 | New | Q2 2026 | Aug 14, 2026 |
| Lighthouse Investment Partners, LLC | History | New | 8,368 | 277 | 0.01% | — | 66 | +8,368 | New | Q2 2026 | Aug 14, 2026 |
| CITIGROUP INC | History | Reduced | 7,456 | 247 | 0.0% | 0.0% | 67 | -11,389 | -60.44% | Q2 2026 | Aug 03, 2026 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | History | New | 7,313 | 242 | 0.0% | — | 69 | +7,313 | New | Q2 2026 | Aug 14, 2026 |
| ALLIANCEBERNSTEIN L.P. | History | New | 7,300 | 242 | 0.0% | — | 68 | +7,300 | New | Q2 2026 | Aug 14, 2026 |
| STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM | History | New | 7,001 | 232 | 0.0% | — | 70 | +7,001 | New | Q2 2026 | Aug 10, 2026 |
| Persistent Asset Partners Ltd | History | Reduced | 6,569 | 218 | 0.07% | 0.07% | 71 | -842 | -11.36% | Q2 2026 | Aug 06, 2026 |
| Verdad Advisers, LP | History | New | 6,400 | 212 | 0.2% | — | 72 | +6,400 | New | Q2 2026 | Aug 14, 2026 |
| HSBC HOLDINGS PLC | History | New | 6,234 | 205 | 0.0% | — | 73 | +6,234 | New | Q2 2026 | Aug 14, 2026 |
| NEW YORK STATE COMMON RETIREMENT FUND | History | New | 5,600 | 185 | 0.0% | — | 74 | +5,600 | New | Q2 2026 | Jul 29, 2026 |
| Vanguard Global Advisers, LLC | History | Reduced | 5,445 | 180 | 0.0% | 0.0% | 75 | -1,737 | -24.19% | Q2 2026 | Aug 13, 2026 |
| Police & Firemen's Retirement System of New Jersey | History | New | 4,704 | 156 | 0.0% | — | 76 | +4,704 | New | Q2 2026 | Jul 23, 2026 |
| Legal & General Group Plc | History | New | 3,462 | 114 | 0.0% | — | 77 | +3,462 | New | Q2 2026 | Aug 14, 2026 |
| State of Wyoming | History | New | 1,618 | 53 | 0.01% | — | 78 | +1,618 | New | Q2 2026 | Aug 06, 2026 |
| Ameritas Investment Partners, Inc. | History | New | 1,448 | 48 | 0.0% | — | 79 | +1,448 | New | Q2 2026 | Aug 13, 2026 |
| FMR LLC | History | Added to | 1,339 | 44 | 0.0% | 0.0% | 80 | +289 | 27.52% | Q2 2026 | Aug 13, 2026 |
| Russell Investments Group, Ltd. | History | New | 1,275 | 42 | 0.0% | — | 81 | +1,275 | New | Q2 2026 | Aug 06, 2026 |
| FNY Investment Advisers, LLC | History | No change | 1,000 | 33 | 0.01% | 0.01% | 82 | 0 | 0.0% | Q2 2026 | Jul 08, 2026 |
| Tower Research Capital LLC (TRC) | History | New | 866 | 28 | 0.0% | — | 83 | +866 | New | Q2 2026 | Aug 11, 2026 |
| CWM, LLC | History | No change | 983 | 24 | 0.0% | 0.0% | 84 | 0 | 0.0% | Q1 2026 | May 14, 2026 |
| ROYAL BANK OF CANADA | History | Added to | 687 | 23 | 0.0% | — | 85 | +675 | 5625.0% | Q2 2026 | Aug 14, 2026 |
| Owl Creek Wealth Partners LLC | History | No change | 491 | 16 | 0.0% | 0.0% | 86 | 0 | 0.0% | Q2 2026 | Jul 20, 2026 |
| Sterling Capital Management LLC | History | New | 281 | 9 | 0.0% | — | 87 | +281 | New | Q2 2026 | Jul 28, 2026 |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | History | New | 220 | 7 | 0.0% | — | 88 | +220 | New | Q2 2026 | Aug 24, 2026 |
| Quantbot Technologies LP | History | New | 201 | 6 | 0.0% | — | 90 | +201 | New | Q2 2026 | Aug 12, 2026 |
| Physician Wealth Advisors, Inc. | History | No change | 182 | 6 | 0.0% | 0.0% | 89 | 0 | 0.0% | Q2 2026 | Jul 20, 2026 |
| OSAIC HOLDINGS, INC. | History | Reduced | 100 | 3 | 0.0% | 0.0% | 91 | -1,180 | -92.19% | Q2 2026 | Aug 14, 2026 |
| PNC FINANCIAL SERVICES GROUP, INC. | History | No change | 62 | 2 | 0.0% | 0.0% | 92 | 0 | 0.0% | Q2 2026 | Aug 07, 2026 |
| Avion Wealth | History | Reduced | 46 | 1 | 0.0% | 0.0% | 96 | -26 | -36.11% | Q2 2026 | Jul 31, 2026 |
| NISA INVESTMENT ADVISORS, LLC | History | No change | 44 | 1 | 0.0% | 0.0% | 93 | 0 | 0.0% | Q2 2026 | Aug 10, 2026 |
| Parallel Advisors, LLC | History | No change | 47 | 1 | 0.0% | 0.0% | 94 | 0 | 0.0% | Q2 2026 | Aug 05, 2026 |
| Bogart Wealth, LLC | History | No change | 50 | 1 | 0.0% | 0.0% | 95 | 0 | 0.0% | Q2 2026 | Jul 24, 2026 |
| Fortitude Family Office, LLC | History | No change | 56 | 1 | 0.0% | 0.0% | 97 | 0 | 0.0% | Q2 2026 | Jul 20, 2026 |
| RA CAPITAL MANAGEMENT, L.P. | History | Closed out | 0 | 0 | — | 0.19% | — | -715,307 | -100.0% | Q2 2026 | Aug 14, 2026 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | History | Closed out | 0 | 0 | — | 0.01% | — | -200,000 | -100.0% | Q2 2026 | Aug 14, 2026 |
| Opaleye Management Inc. | History | Closed out | 0 | 0 | — | 0.63% | — | -190,671 | -100.0% | Q2 2026 | Aug 14, 2026 |
| Eversept Partners, LP | History | Closed out | 0 | 0 | — | 0.1% | — | -73,161 | -100.0% | Q2 2026 | Aug 14, 2026 |
| Burkehill Global Management, LP | History | Closed out | 0 | 0 | — | 0.09% | — | -71,530 | -100.0% | Q2 2026 | Aug 14, 2026 |
| JANE STREET GROUP, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -27,760 | -100.0% | Q2 2026 | Aug 14, 2026 |
| STEMPOINT CAPITAL LP | History | Closed out | 0 | 0 | — | 0.11% | — | -23,295 | -100.0% | Q2 2026 | Aug 14, 2026 |
| Brevan Howard Capital Management LP | History | Closed out | 0 | 0 | — | 0.0% | — | -18,791 | -100.0% | Q2 2026 | Aug 14, 2026 |
| Hudson Bay Capital Management LP | History | Closed out | 0 | 0 | — | 0.0% | — | -14,768 | -100.0% | Q2 2026 | Aug 14, 2026 |
| Jump Financial, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -12,385 | -100.0% | Q2 2026 | Aug 13, 2026 |
| OMERS ADMINISTRATION Corp | History | Closed out | 0 | 0 | — | 0.0% | — | -8,700 | -100.0% | Q2 2026 | Aug 13, 2026 |
| AQR CAPITAL MANAGEMENT LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -8,605 | -100.0% | Q2 2026 | Aug 14, 2026 |
| State of Tennessee, Department of Treasury | History | Closed out | 0 | 0 | — | 0.0% | — | -7,400 | -100.0% | Q2 2026 | Aug 14, 2026 |
| SIMPLEX TRADING, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -62 | -100.0% | Q2 2026 | Aug 12, 2026 |
| Arax Advisory Partners | History | Reduced | 16 | 0 | — | — | — | -25 | -60.98% | Q2 2026 | Aug 10, 2026 |
| EverSource Wealth Advisors, LLC | History | Closed out | 0 | 0 | — | — | — | -19 | -100.0% | Q2 2026 | Jul 24, 2026 |
| Advisory Services Network, LLC | History | Closed out | 0 | 0 | — | — | — | -15 | -100.0% | Q2 2026 | Aug 12, 2026 |
| Steward Partners Investment Advisory, LLC | History | New | 2 | 0 | — | — | — | +2 | New | Q2 2026 | Aug 13, 2026 |
| Optiver Holding B.V. | History | New | 2 | 0 | — | — | — | +2 | New | Q2 2026 | Aug 12, 2026 |
| FIFTH THIRD BANCORP | History | No change | 2 | 0 | — | — | — | 0 | 0.0% | Q2 2026 | Aug 05, 2026 |
| HighMark Wealth Management LLC | History | No change | 23 | 0 | — | — | — | 0 | 0.0% | Q2 2026 | Aug 12, 2026 |