Sutro Biopharma, Inc.
STRO- Exchange
- Nasdaq
- Industry
- Biological Products, (No Diagnostic Substances)
- SEC CIK
- 0001382101
No open-market purchases or sales by Sutro Biopharma, Inc. insiders were filed in the last 90 days; 100 institutions reported holding it in 13F filings for Q2 2026, worth $545.7M in total; no superinvestor holds it.
13F holders, Q4 2023
Institutional positions in Sutro Biopharma, Inc. as of Dec 31, 2023. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 114
- +5 vs. Q3 2023
- Shares held
- 55.9M
- +43.7K (+0.1%) vs. Q3 2023
- Total value
- $240.0M
- +$45.7M (+23.5%) vs. Q3 2023
- New holders
- 20
- 44 more added
- Sold out
- 15
- 28 more reduced
Compare with Q3 2023: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting STRO on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 100 | $545.7M |
| Q1 2026 | 78 | $358.9M |
| Q4 2025 | 63 | $65.0M |
| Q3 2025 | 88 | $46.4M |
| Q2 2025 | 101 | $39.8M |
| Q1 2025 | 113 | $40.0M |
| Q4 2024 | 123 | $117.6M |
| Q3 2024 | 130 | $216.6M |
| Q2 2024 | 119 | $185.2M |
| Q1 2024 | 117 | $308.2M |
| Q4 2023 | 114 | $240.0M |
| Q3 2023 | 109 | $194.3M |
| Q2 2023 | 120 | $251.6M |
| Q1 2023 | 116 | $247.9M |
| Q4 2022 | 119 | $403.7M |
| Q3 2022 | 113 | $286.6M |
| Q2 2022 | 115 | $240.9M |
| Q1 2022 | 114 | $342.2M |
| Q4 2021 | 117 | $599.0M |
| Q3 2021 | 120 | $752.5M |
| Q2 2021 | 124 | $766.7M |
| Q1 2021 | 138 | $1.01B |
Institutions, Q4 2023
Shares, value and share of portfolio for each institution holding Sutro Biopharma, Inc.; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 5,823,922 | $25.0M | 0.00% | −162,678−2.7% | Reduced |
| Suvretta Capital Management, LLC | 5,778,188 | $24.8M | 1.13% | −105,505−1.8% | Reduced |
| Adage Capital Partners GP, L.L.C. | 4,467,796 | $19.2M | 0.04% | +1,362,664+43.9% | Added |
| BVF Inc | 3,347,946 | $14.4M | 0.36% | 00.0% | Unchanged |
| Rubric Capital Management LP | 3,344,810 | $14.3M | 0.54% | 00.0% | Unchanged |
| Vanguard Group Inc | 2,890,000 | $12.4M | 0.00% | +21,238+0.7% | Added |
| Franklin Resources Inc | 2,762,636 | $11.9M | 0.01% | −71,725−2.5% | Reduced |
| Kynam Capital Management, LP | 2,001,727 | $8.59M | 0.97% | +449,052+28.9% | Added |
| Baillie Gifford & Co | 1,866,850 | $8.01M | 0.01% | −8040.0% | Reduced |
| Samsara BioCapital, LLC | 1,675,579 | $7.19M | 1.12% | 00.0% | Unchanged |
| Millennium Management LLC | 1,535,869 | $6.59M | 0.01% | +296,618+23.9% | Added |
| Geode Capital Management, LLC | 1,259,237 | $5.40M | 0.00% | +62,085+5.2% | Added |
| Parkman Healthcare Partners LLC | 1,202,431 | $5.16M | 0.73% | +20,263+1.7% | Added |
| State Street Corp | 1,161,465 | $4.98M | 0.00% | +55,680+5.0% | Added |
| Dimensional Fund Advisors LP | 1,140,760 | $4.89M | 0.00% | +10,937+1.0% | Added |
| Goldman Sachs Group Inc | 1,060,582 | $4.55M | 0.00% | −30,809−2.8% | Reduced |
| Eversept Partners, LP | 1,056,461 | $4.53M | 0.44% | +286,823+37.3% | Added |
| Acadian Asset Management LLC | 923,029 | $3.96M | 0.02% | +149,162+19.3% | Added |
| Candriam Luxembourg S.C.A. | 898,234 | $3.85M | 0.03% | −640,000−41.6% | Reduced |
| Renaissance Technologies LLC | 655,797 | $2.81M | 0.00% | +352,900+116.5% | Added |
| Vontobel Holding Ltd. | 641,684 | $2.75M | 0.02% | +191,345+42.5% | Added |
| Sectoral Asset Management Inc | 623,684 | $2.68M | 1.15% | +191,345+44.3% | Added |
| Verition Fund Management LLC | 622,873 | $2.67M | 0.03% | −1,878,803−75.1% | Reduced |
| Northern Trust Corp | 481,184 | $2.06M | 0.00% | −4,638−1.0% | Reduced |
| Panagora Asset Management Inc | 451,692 | $1.94M | 0.01% | +82,544+22.4% | Added |
| Pentwater Capital Management LP | 450,000 | $1.93M | 0.04% | +20,000+4.7% | Added |
| Morgan Stanley | 447,848 | $1.92M | 0.00% | +294,593+192.2% | Added |
| Aquilo Capital Management, LLC | 420,649 | $1.80M | 1.27% | +420,649 | New |
| UBS Oconnor LLC | 378,340 | $1.62M | 0.05% | +48,340+14.6% | Added |
| Jacobs Levy Equity Management, Inc | 340,283 | $1.46M | 0.01% | −85,408−20.1% | Reduced |
| Schonfeld Strategic Advisors LLC | 338,600 | $1.45M | 0.01% | −16,400−4.6% | Reduced |
| Two Sigma Investments, LP | 323,192 | $1.39M | 0.00% | +323,192 | New |
| Opaleye Management Inc. | 301,491 | $1.29M | 0.34% | +301,491 | New |
| Point72 Asset Management, L.P. | 285,696 | $1.23M | 0.00% | −247,453−46.4% | Reduced |
| DAFNA Capital Management LLC | 283,079 | $1.21M | 0.29% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 262,624 | $1.13M | 0.00% | +1,173+0.4% | Added |
| Two Sigma Advisers, LP | 239,800 | $1.03M | 0.00% | +54,600+29.5% | Added |
| Tejara Capital Ltd | 226,953 | $973.6K | 0.41% | +138,271+155.9% | Added |
| Nuveen Asset Management, LLC | 215,728 | $925.5K | 0.00% | +3,583+1.7% | Added |
| Fisher Asset Management, LLC | 196,517 | $843.1K | 0.00% | 00.0% | Unchanged |
| Propel Bio Management, LLC | 195,000 | $836.5K | 0.69% | +195,000 | New |
| Bridgeway Capital Management, LLC | 170,200 | $730.2K | 0.02% | +170,200 | New |
| Prudential Financial Inc | 169,220 | $726.0K | 0.00% | +64,230+61.2% | Added |
| Charles Schwab Investment Management Inc | 160,876 | $690.2K | 0.00% | 00.0% | Unchanged |
| Exome Asset Management LLC | 153,600 | $658.9K | 0.65% | +153,600 | New |
| JPMorgan Chase & Co | 132,280 | $567.5K | 0.00% | +55,456+72.2% | Added |
| Barclays PLC | 132,059 | $566.5K | 0.00% | +69,480+111.0% | Added |
| Citadel Advisors LLC | 131,925 | $566.0K | 0.00% | +83,336+171.5% | Added |
| Ameriprise Financial Inc | 131,242 | $563.0K | 0.00% | +25,662+24.3% | Added |
| Simplify Asset Management Inc. | 120,000 | $514.8K | 0.08% | 00.0% | Unchanged |
| Man Group plc | 119,088 | $510.9K | 0.00% | – | – |
| Bank of America Corp | 111,090 | $476.6K | 0.00% | +21,098+23.4% | Added |
| Jane Street Group, LLC | 105,687 | $453.4K | 0.00% | +92,408+695.9% | Added |
| Rhumbline Advisers | 91,589 | $392.9K | 0.00% | −309−0.3% | Reduced |
| FMR LLC | 85,587 | $367.2K | 0.00% | +5,327+6.6% | Added |
| AQR Capital Management LLC | 83,626 | $358.8K | 0.00% | +59,868+252.0% | Added |
| XTX Topco Ltd | 82,988 | $356.0K | 0.08% | +62,542+305.9% | Added |
| Cubist Systematic Strategies, LLC | 76,126 | $326.6K | 0.00% | +76,126 | New |
| Alliancebernstein L.P. | 75,300 | $323.0K | 0.00% | 00.0% | Unchanged |
| Walleye Capital LLC | 73,271 | $314.3K | 0.00% | +73,271 | New |
| Standard Life Aberdeen plc | 69,389 | $297.7K | 0.00% | +69,389 | New |
| Public Employees Retirement System of Ohio | 61,778 | $265.0K | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 59,591 | $255.6K | 0.00% | +23,618+65.7% | Added |
| Engineers Gate Manager LP | 56,580 | $242.7K | 0.01% | +56,580 | New |
| Prelude Capital Management, LLC | 53,535 | $229.7K | 0.02% | +34,600+182.7% | Added |
| HSBC Holdings PLC | 52,399 | $223.5K | 0.00% | +24,628+88.7% | Added |
| Aristides Capital LLC | 50,476 | $216.5K | 0.11% | +50,476 | New |
| American Century Companies Inc | 43,474 | $186.5K | 0.00% | +6,256+16.8% | Added |
| SG Americas Securities, LLC | 40,779 | $175.0K | 0.00% | +8,314+25.6% | Added |
| Russell Investments Group, Ltd. | 38,224 | $164.0K | 0.00% | −70,371−64.8% | Reduced |
| Susquehanna International Group, LLP | 37,237 | $159.7K | 0.00% | −83,168−69.1% | Reduced |
| Exchange Traded Concepts, LLC | 35,856 | $153.8K | 0.00% | +9,092+34.0% | Added |
| Cornercap Investment Counsel Inc | 35,690 | $153.1K | 0.03% | 00.0% | Unchanged |
| Deutsche Bank AG | 32,568 | $139.7K | 0.00% | −1,214−3.6% | Reduced |
| Invesco Ltd. | 30,624 | $131.4K | 0.00% | +9,238+43.2% | Added |
| State of Wisconsin Investment Board | 30,400 | $130.4K | 0.00% | −85,600−73.8% | Reduced |
| American International Group, Inc. | 29,896 | $128.3K | 0.00% | −121−0.4% | Reduced |
| Kennedy Capital Management, Inc. | 29,845 | $128.0K | 0.00% | +29,845 | New |
| MetLife Investment Management | 28,380 | $121.8K | 0.00% | 00.0% | Unchanged |
| Susquehanna Portfolio Strategies, LLC | 26,668 | $114.4K | 0.00% | +26,668 | New |
| Voya Investment Management LLC | 26,021 | $111.6K | 0.00% | +1,320+5.3% | Added |
| Manufacturers Life Insurance Company, The | 25,748 | $110.5K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 23,173 | $99.4K | 0.00% | +3,656+18.7% | Added |
| Principal Financial Group Inc | 19,899 | $85.4K | 0.00% | −2,251−10.2% | Reduced |
| Royal Bank of Canada | 18,829 | $81.0K | 0.00% | +8,710+86.1% | Added |
| State Board of Administration of Florida Retirement System | 17,273 | $74.1K | 0.00% | 00.0% | Unchanged |
| Virtu Financial LLC | 16,766 | $72.0K | 0.01% | +16,766 | New |
| BNP Paribas Arbitrage, SA | 16,369 | $70.2K | 0.00% | −16,731−50.5% | Reduced |
| Price T Rowe Associates Inc | 14,449 | $62.0K | 0.00% | +1,335+10.2% | Added |
| Dynamic Technology Lab Private Ltd | 13,899 | $60.0K | 0.01% | +13,899 | New |
| Squarepoint Ops LLC | 13,903 | $59.6K | 0.00% | +13,903 | New |
| New York State Common Retirement Fund | 13,639 | $58.5K | 0.00% | −117−0.9% | Reduced |
| Diversified Trust Co | 11,189 | $48.0K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 10,250 | $44.0K | 0.00% | 00.0% | Unchanged |
| California State Teachers Retirement System | 9,900 | $42.5K | 0.00% | −3,372−25.4% | Reduced |
| Tower Research Capital LLC (TRC) | 9,396 | $40.3K | 0.00% | −5,732−37.9% | Reduced |
| Nisa Investment Advisors, LLC | 8,820 | $37.8K | 0.00% | +8,758+14,125.8% | Added |
| Citigroup Inc | 8,673 | $37.2K | 0.00% | +7,848+951.3% | Added |
| Amalgamated Bank | 5,114 | $22.0K | 0.00% | −584−10.2% | Reduced |
| Ameritas Investment Partners, Inc. | 4,967 | $21.3K | 0.00% | 00.0% | Unchanged |