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 2021
Institutional positions in Sutro Biopharma, Inc. as of Dec 31, 2021. 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
- 117
- −3 vs. Q3 2021
- Shares held
- 39.9M
- +27.5K (+0.1%) vs. Q3 2021
- Total value
- $593.2M
- −$159.4M (−21.2%) vs. Q3 2021
- New holders
- 14
- 44 more added
- Sold out
- 17
- 39 more reduced
Compare with Q3 2021: 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 2021
Shares, value and share of portfolio for each institution holding Sutro Biopharma, Inc.; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 3,700,043 | $55.1M | 0.00% | +43,566+1.2% | Added |
| Franklin Resources Inc | 3,267,947 | $48.6M | 0.02% | +315,093+10.7% | Added |
| Eventide Asset Management, LLC | 2,708,975 | $40.3M | 0.52% | +338,000+14.3% | Added |
| Suvretta Capital Management, LLC | 2,437,795 | $36.3M | 0.70% | +204,100+9.1% | Added |
| First Light Asset Management, LLC | 2,246,588 | $33.4M | 2.39% | +55,149+2.5% | Added |
| Vanguard Group Inc | 2,117,807 | $31.5M | 0.00% | +2,776+0.1% | Added |
| Baillie Gifford & Co | 1,855,250 | $27.6M | 0.02% | +60,310+3.4% | Added |
| SV Health Investors, LLC | 1,824,542 | $27.1M | 17.55% | 00.0% | Unchanged |
| Frazier Management LLC | 1,776,479 | $26.4M | 2.04% | +307,816+21.0% | Added |
| Samsara BioCapital, LLC | 1,675,579 | $24.9M | 4.97% | 00.0% | Unchanged |
| State Street Corp | 1,590,837 | $23.7M | 0.00% | −111,513−6.6% | Reduced |
| Holocene Advisors, LP | 1,583,579 | $23.6M | 0.13% | −23,887−1.5% | Reduced |
| Loomis Sayles & Co L P | 1,115,835 | $16.6M | 0.02% | −453,970−28.9% | Reduced |
| BVF Inc | 925,148 | $13.8M | 0.50% | +98,323+11.9% | Added |
| Geode Capital Management, LLC | 743,679 | $11.1M | 0.00% | +51,703+7.5% | Added |
| FMR LLC | 737,300 | $11.0M | 0.00% | 00.0% | Unchanged |
| Opaleye Management Inc. | 680,000 | $10.1M | 2.15% | +142,200+26.4% | Added |
| Citadel Advisors LLC | 596,770 | $8.88M | 0.01% | −72,873−10.9% | Reduced |
| Northern Trust Corp | 545,224 | $8.11M | 0.00% | +9,200+1.7% | Added |
| Lombard Odier Asset Management (Switzerland) SA | 528,442 | $7.86M | 0.50% | +44,679+9.2% | Added |
| Goldman Sachs Group Inc | 362,553 | $5.39M | 0.00% | +36,396+11.2% | Added |
| Dimensional Fund Advisors LP | 360,765 | $5.37M | 0.00% | +109,684+43.7% | Added |
| Barclays PLC | 354,387 | $5.27M | 0.00% | +23,763+7.2% | Added |
| Tekla Capital Management LLC | 327,850 | $4.88M | 0.16% | −72,297−18.1% | Reduced |
| Sphera Funds Management Ltd. | 281,702 | $4.19M | 0.50% | −13,123−4.5% | Reduced |
| Pentwater Capital Management LP | 230,000 | $3.42M | 0.05% | +20,000+9.5% | Added |
| Nomura Holdings Inc | 221,434 | $3.30M | 0.02% | −304−0.1% | Reduced |
| Parkman Healthcare Partners LLC | 221,219 | $3.29M | 0.74% | +57,830+35.4% | Added |
| Janus Henderson Group PLC | 220,045 | $3.28M | 0.00% | +3,232+1.5% | Added |
| Alliancebernstein L.P. | 215,566 | $3.21M | 0.00% | +10,889+5.3% | Added |
| Verition Fund Management LLC | 184,765 | $2.75M | 0.03% | +21,758+13.3% | Added |
| Nuveen Asset Management, LLC | 182,200 | $2.71M | 0.00% | −176,061−49.1% | Reduced |
| AJU IB Investment Co., Ltd. | 175,000 | $2.60M | 3.63% | 00.0% | Unchanged |
| Victory Capital Management Inc | 173,957 | $2.59M | 0.00% | +36,876+26.9% | Added |
| Invesco Ltd. | 166,222 | $2.47M | 0.00% | −179,015−51.9% | Reduced |
| Adage Capital Partners GP, L.L.C. | 160,000 | $2.38M | 0.00% | −115,000−41.8% | Reduced |
| Bank of New York Mellon Corp | 149,615 | $2.23M | 0.00% | −17,264−10.3% | Reduced |
| Millennium Management LLC | 145,635 | $2.17M | 0.00% | −68,948−32.1% | Reduced |
| Panagora Asset Management Inc | 145,351 | $2.16M | 0.01% | −8,782−5.7% | Reduced |
| Neuberger Berman Group LLC | 146,745 | $2.14M | 0.00% | −74,173−33.6% | Reduced |
| Acadian Asset Management LLC | 143,718 | $2.14M | 0.01% | −38,570−21.2% | Reduced |
| International Biotechnology Trust PLC | 139,331 | $2.07M | 0.46% | 00.0% | Unchanged |
| Kennedy Capital Management, Inc. | 127,925 | $1.90M | 0.04% | −3,867−2.9% | Reduced |
| Bank of America Corp | 116,430 | $1.73M | 0.00% | +80,217+221.5% | Added |
| Two Sigma Investments, LP | 113,083 | $1.68M | 0.00% | −114,398−50.3% | Reduced |
| Endurant Capital Management LP | 111,803 | $1.66M | 0.45% | +111,803 | New |
| Charles Schwab Investment Management Inc | 109,549 | $1.63M | 0.00% | +1,676+1.6% | Added |
| Hudson Bay Capital Management LP | 101,500 | $1.51M | 0.02% | +51,500+103.0% | Added |
| Two Sigma Advisers, LP | 94,300 | $1.40M | 0.00% | −60,000−38.9% | Reduced |
| Rafferty Asset Management, LLC | 81,129 | $1.21M | 0.01% | +25,420+45.6% | Added |
| Walleye Capital LLC | 75,412 | $1.12M | 0.04% | +75,412 | New |
| Citigroup Inc | 72,942 | $1.08M | 0.00% | +30,437+71.6% | Added |
| Gsa Capital Partners LLP | 71,412 | $1.06M | 0.13% | +71,412 | New |
| Swiss National Bank | 70,800 | $1.05M | 0.00% | 00.0% | Unchanged |
| Morgan Stanley | 63,497 | $946.0K | 0.00% | +37,354+142.9% | Added |
| Deutsche Bank AG | 57,150 | $850.0K | 0.00% | +1,396+2.5% | Added |
| JPMorgan Chase & Co | 56,156 | $836.0K | 0.00% | −563−1.0% | Reduced |
| State of Wisconsin Investment Board | 56,130 | $835.0K | 0.00% | 00.0% | Unchanged |
| Rhumbline Advisers | 55,973 | $833.0K | 0.00% | +737+1.3% | Added |
| Wells Fargo & Company | 52,217 | $777.0K | 0.00% | −60,603−53.7% | Reduced |
| Allianz Asset Management GmbH | 51,511 | $768.0K | 0.00% | −26,960−34.4% | Reduced |
| California State Teachers Retirement System | 50,877 | $757.0K | 0.00% | +1,078+2.2% | Added |
| Renaissance Technologies LLC | 48,700 | $725.0K | 0.00% | +48,700 | New |
| ExodusPoint Capital Management, LP | 48,013 | $714.0K | 0.01% | +22,754+90.1% | Added |
| DAFNA Capital Management LLC | 45,000 | $670.0K | 0.17% | −40,000−47.1% | Reduced |
| Los Angeles Capital Management LLC | 41,004 | $610.0K | 0.00% | 00.0% | Unchanged |
| HRT Financial LP | 39,377 | $585.0K | 0.00% | +39,377 | New |
| Principal Financial Group Inc | 37,769 | $562.0K | 0.00% | −28,173−42.7% | Reduced |
| Susquehanna International Group, LLP | 37,758 | $562.0K | 0.00% | +8,376+28.5% | Added |
| Squarepoint Ops LLC | 37,800 | $562.0K | 0.00% | +26,572+236.7% | Added |
| Connective Portfolio Management, LLC | 35,000 | $527.0K | 0.93% | +35,000 | New |
| Allspring Global Investments Holdings, LLC | 34,902 | $519.0K | 0.00% | +34,902 | New |
| New York State Common Retirement Fund | 31,278 | $465.0K | 0.00% | −75−0.2% | Reduced |
| Martingale Asset Management L P | 30,617 | $457.0K | 0.01% | +30,617 | New |
| D. E. Shaw & Co., Inc. | 30,664 | $456.0K | 0.00% | −6,723−18.0% | Reduced |
| Algert Global LLC | 30,262 | $450.0K | 0.06% | −3,890−11.4% | Reduced |
| Credit Suisse AG | 28,312 | $421.0K | 0.00% | +7,377+35.2% | Added |
| Parametric Portfolio Associates LLC | 23,208 | $345.0K | 0.00% | +12,384+114.4% | Added |
| American International Group, Inc. | 23,042 | $343.0K | 0.00% | −690−2.9% | Reduced |
| Manufacturers Life Insurance Company, The | 22,872 | $340.0K | 0.00% | −132−0.6% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 21,894 | $326.0K | 0.00% | −16,513−43.0% | Reduced |
| Susquehanna Fundamental Investments, LLC | 17,988 | $268.0K | 0.01% | −19,247−51.7% | Reduced |
| Russell Investments Group, Ltd. | 17,369 | $258.0K | 0.00% | 00.0% | Unchanged |
| Voya Investment Management LLC | 17,110 | $255.0K | 0.00% | +128+0.8% | Added |
| BNP Paribas Arbitrage, SA | 17,011 | $253.1K | 0.00% | +6,497+61.8% | Added |
| MetLife Investment Management | 16,423 | $244.4K | 0.00% | 00.0% | Unchanged |
| ProShare Advisors LLC | 15,990 | $238.0K | 0.00% | +576+3.7% | Added |
| Ergoteles LLC | 16,015 | $238.0K | 0.01% | +16,015 | New |
| Trexquant Investment LP | 14,041 | $209.0K | 0.01% | +14,041 | New |
| SG Americas Securities, LLC | 12,446 | $185.0K | 0.00% | −16,716−57.3% | Reduced |
| State Board of Administration of Florida Retirement System | 11,923 | $177.0K | 0.00% | +767+6.9% | Added |
| Virtus ETF Advisers LLC | 11,305 | $168.0K | 0.06% | +238+2.2% | Added |
| Legal & General Group Plc | 11,270 | $167.0K | 0.00% | 00.0% | Unchanged |
| Manchester Capital Management LLC | 10,561 | $157.0K | 0.02% | 00.0% | Unchanged |
| Qube Research & Technologies Ltd | 10,092 | $150.0K | 0.00% | +10,092 | New |
| Metropolitan Life Insurance Co | 9,833 | $146.3K | 0.00% | −2,877−22.6% | Reduced |
| Royal Bank of Canada | 8,920 | $132.0K | 0.00% | +7,591+571.2% | Added |
| American Portfolios Advisors | 8,025 | $119.4K | 0.00% | 00.0% | Unchanged |
| First Quadrant L P | 6,100 | $91.0K | 0.01% | +100+1.7% | Added |
| Tower Research Capital LLC (TRC) | 5,443 | $81.0K | 0.00% | +2,428+80.5% | Added |