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, Q3 2023
Institutional positions in Sutro Biopharma, Inc. as of Sep 30, 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
- 109
- −10 vs. Q2 2023
- Shares held
- 55.9M
- +1.89M (+3.5%) vs. Q2 2023
- Total value
- $194.3M
- −$56.8M (−22.6%) vs. Q2 2023
- New holders
- 7
- 44 more added
- Sold out
- 17
- 32 more reduced
1 institution that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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 | $358.3M |
| Q4 2025 | 63 | $64.8M |
| Q3 2025 | 88 | $46.4M |
| Q2 2025 | 101 | $39.6M |
| Q1 2025 | 113 | $40.0M |
| Q4 2024 | 123 | $117.6M |
| Q3 2024 | 130 | $216.4M |
| Q2 2024 | 119 | $185.1M |
| Q1 2024 | 117 | $301.7M |
| Q4 2023 | 114 | $238.7M |
| Q3 2023 | 109 | $194.3M |
| Q2 2023 | 120 | $251.6M |
| Q1 2023 | 116 | $247.5M |
| Q4 2022 | 119 | $403.7M |
| Q3 2022 | 113 | $279.6M |
| Q2 2022 | 115 | $240.9M |
| Q1 2022 | 114 | $342.2M |
| Q4 2021 | 117 | $593.2M |
| Q3 2021 | 120 | $752.5M |
| Q2 2021 | 124 | $766.7M |
| Q1 2021 | 138 | $1.01B |
Institutions, Q3 2023
Shares, value and share of portfolio for each institution holding Sutro Biopharma, Inc.; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Nisa Investment Advisors, LLC | 62 | $215 | 0.00% | −3,978−98.5% | Reduced |
| Washington Trust Advisors, Inc. | 179 | $622 | 0.00% | 00.0% | Unchanged |
| Comerica Bank | 280 | $971 | 0.00% | +280 | New |
| Daiwa Securities Group Inc. | 158 | $1.00K | 0.00% | 00.0% | Unchanged |
| Bogart Wealth, LLC | 500 | $1.74K | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 530 | $1.84K | 0.00% | +1+0.2% | Added |
| Citigroup Inc | 825 | $2.86K | 0.00% | −18,154−95.7% | Reduced |
| China Universal Asset Management Co., Ltd. | 1,546 | $5.37K | 0.00% | +754+95.2% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 2,148 | $7.45K | 0.00% | −342−13.7% | Reduced |
| HighMark Wealth Management LLC | 2,250 | $7.81K | 0.01% | −325−12.6% | Reduced |
| Metropolitan Life Insurance Co | 2,953 | $10.2K | 0.00% | 00.0% | Unchanged |
| Virtus Fund Advisers, LLC | 4,412 | $15.3K | 0.11% | 00.0% | Unchanged |
| Qube Research & Technologies Ltd | 4,953 | $17.2K | 0.00% | +4,953 | New |
| Legal & General Group Plc | 4,960 | $17.2K | 0.00% | −825−14.3% | Reduced |
| Ameritas Investment Partners, Inc. | 4,967 | $17.2K | 0.00% | 00.0% | Unchanged |
| Amalgamated Bank | 5,698 | $20.0K | 0.00% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 6,387 | $22.2K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 10,119 | $35.0K | 0.00% | +3,844+61.3% | Added |
| Advisor Group Holdings, Inc. | 10,250 | $35.6K | 0.00% | +250+2.5% | Added |
| Manchester Capital Management LLC | 10,561 | $36.6K | 0.01% | 00.0% | Unchanged |
| Diversified Trust Co | 11,189 | $38.8K | 0.00% | 00.0% | Unchanged |
| ProShare Advisors LLC | 11,770 | $40.8K | 0.00% | +38+0.3% | Added |
| Price T Rowe Associates Inc | 13,114 | $46.0K | 0.00% | +1,566+13.6% | Added |
| California State Teachers Retirement System | 13,272 | $46.1K | 0.00% | −6,736−33.7% | Reduced |
| Jane Street Group, LLC | 13,279 | $46.1K | 0.00% | −132,683−90.9% | Reduced |
| New York State Common Retirement Fund | 13,756 | $47.7K | 0.00% | +257+1.9% | Added |
| Tower Research Capital LLC (TRC) | 15,128 | $52.5K | 0.00% | +11,708+342.3% | Added |
| State Board of Administration of Florida Retirement System | 17,273 | $59.9K | 0.00% | +200+1.2% | Added |
| Allspring Global Investments Holdings, LLC | 17,319 | $60.1K | 0.00% | −908−5.0% | Reduced |
| Prelude Capital Management, LLC | 18,935 | $65.7K | 0.01% | −11,237−37.2% | Reduced |
| Wells Fargo & Company | 19,517 | $67.7K | 0.00% | −8,058−29.2% | Reduced |
| Trexquant Investment LP | 20,421 | $70.9K | 0.00% | −82,127−80.1% | Reduced |
| XTX Topco Ltd | 20,446 | $70.9K | 0.01% | +20,446 | New |
| Invesco Ltd. | 21,386 | $74.2K | 0.00% | −396−1.8% | Reduced |
| Principal Financial Group Inc | 22,150 | $76.9K | 0.00% | +3,168+16.7% | Added |
| AQR Capital Management LLC | 23,758 | $82.4K | 0.00% | −57,943−70.9% | Reduced |
| Voya Investment Management LLC | 24,701 | $85.7K | 0.00% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 25,748 | $89.3K | 0.00% | 00.0% | Unchanged |
| Exchange Traded Concepts, LLC | 26,764 | $92.9K | 0.00% | +1,153+4.5% | Added |
| HSBC Holdings PLC | 27,771 | $97.6K | 0.00% | +27,771 | New |
| Virtus Investment Advisers, Inc. | 28,274 | $98.1K | 0.07% | 00.0% | Unchanged |
| MetLife Investment Management | 28,380 | $98.5K | 0.00% | 00.0% | Unchanged |
| American International Group, Inc. | 30,017 | $104.2K | 0.00% | +1,067+3.7% | Added |
| SG Americas Securities, LLC | 32,465 | $113.0K | 0.00% | +32,465 | New |
| BNP Paribas Arbitrage, SA | 33,100 | $114.9K | 0.00% | +6,481+24.3% | Added |
| Deutsche Bank AG | 33,782 | $117.2K | 0.00% | +5,848+20.9% | Added |
| Cornercap Investment Counsel Inc | 35,690 | $123.8K | 0.02% | −473−1.3% | Reduced |
| UBS Group AG | 35,973 | $124.8K | 0.00% | +5,909+19.7% | Added |
| American Century Companies Inc | 37,218 | $129.1K | 0.00% | +8,711+30.6% | Added |
| Mirae Asset Global Investments Co., Ltd. | 45,441 | $157.7K | 0.00% | +56+0.1% | Added |
| Citadel Advisors LLC | 48,589 | $168.6K | 0.00% | +20,261+71.5% | Added |
| Public Employees Retirement System of Ohio | 61,778 | $214.0K | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 62,579 | $217.1K | 0.00% | +18,093+40.7% | Added |
| Gsa Capital Partners LLP | 67,754 | $235.0K | 0.02% | +67,754 | New |
| Los Angeles Capital Management LLC | 68,324 | $237.1K | 0.00% | +11,800+20.9% | Added |
| Putnam Investments LLC | 68,393 | $237.3K | 0.00% | −593−0.9% | Reduced |
| Susquehanna Fundamental Investments, LLC | 71,113 | $246.8K | 0.02% | −1,872−2.6% | Reduced |
| Alliancebernstein L.P. | 75,300 | $261.3K | 0.00% | +3,490+4.9% | Added |
| JPMorgan Chase & Co | 76,824 | $266.6K | 0.00% | +2,115+2.8% | Added |
| FMR LLC | 80,260 | $278.5K | 0.00% | +750+0.9% | Added |
| Tejara Capital Ltd | 88,682 | $307.7K | 0.18% | 00.0% | Unchanged |
| Bank of America Corp | 89,992 | $312.3K | 0.00% | +21,807+32.0% | Added |
| Rhumbline Advisers | 91,898 | $318.9K | 0.00% | +2,250+2.5% | Added |
| Man Group plc | – | $353.3K | 0.00% | – | – |
| Prudential Financial Inc | 104,990 | $364.3K | 0.00% | +9,800+10.3% | Added |
| Ameriprise Financial Inc | 105,580 | $366.4K | 0.00% | −20,016−15.9% | Reduced |
| Russell Investments Group, Ltd. | 108,595 | $376.8K | 0.00% | −28,207−20.6% | Reduced |
| State of Wisconsin Investment Board | 116,000 | $402.5K | 0.00% | −16,700−12.6% | Reduced |
| Simplify Asset Management Inc. | 120,000 | $416.4K | 0.07% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 120,405 | $417.8K | 0.00% | −14,578−10.8% | Reduced |
| Morgan Stanley | 153,255 | $531.8K | 0.00% | −36,341−19.2% | Reduced |
| Charles Schwab Investment Management Inc | 160,876 | $558.2K | 0.00% | 00.0% | Unchanged |
| Two Sigma Advisers, LP | 185,200 | $642.6K | 0.00% | −164,500−47.0% | Reduced |
| Fisher Asset Management, LLC | 196,517 | $681.9K | 0.00% | 00.0% | Unchanged |
| Nuveen Asset Management, LLC | 212,145 | $736.1K | 0.00% | −1,474−0.7% | Reduced |
| Bank of New York Mellon Corp | 261,451 | $907.2K | 0.00% | +8,633+3.4% | Added |
| DAFNA Capital Management LLC | 283,079 | $982.3K | 0.31% | +40,300+16.6% | Added |
| Renaissance Technologies LLC | 302,897 | $1.05M | 0.00% | +33,400+12.4% | Added |
| UBS Oconnor LLC | 330,000 | $1.15M | 0.02% | +330,000 | New |
| Schonfeld Strategic Advisors LLC | 355,000 | $1.23M | 0.01% | −1,300−0.4% | Reduced |
| Panagora Asset Management Inc | 369,148 | $1.28M | 0.01% | +28,160+8.3% | Added |
| Jacobs Levy Equity Management, Inc | 425,691 | $1.48M | 0.01% | −145,702−25.5% | Reduced |
| Pentwater Capital Management LP | 430,000 | $1.49M | 0.01% | +30,000+7.5% | Added |
| Sectoral Asset Management Inc | 432,339 | $1.50M | 0.29% | +31,693+7.9% | Added |
| Vontobel Holding Ltd. | 450,339 | $1.56M | 0.01% | +34,693+8.3% | Added |
| Northern Trust Corp | 485,822 | $1.69M | 0.00% | +2,750+0.6% | Added |
| Point72 Asset Management, L.P. | 533,149 | $1.85M | 0.01% | +324,145+155.1% | Added |
| Eversept Partners, LP | 769,638 | $2.67M | 0.30% | +21,726+2.9% | Added |
| Acadian Asset Management LLC | 773,867 | $2.68M | 0.01% | +119,399+18.2% | Added |
| Frazier Life Sciences Management, L.P. | 780,000 | $2.71M | 0.18% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 1,091,391 | $3.79M | 0.00% | −7,483−0.7% | Reduced |
| State Street Corp | 1,105,785 | $3.84M | 0.00% | +11,664+1.1% | Added |
| Dimensional Fund Advisors LP | 1,129,823 | $3.92M | 0.00% | −81,965−6.8% | Reduced |
| Parkman Healthcare Partners LLC | 1,182,168 | $4.10M | 0.75% | +38,307+3.3% | Added |
| Geode Capital Management, LLC | 1,197,152 | $4.15M | 0.00% | +35,620+3.1% | Added |
| Millennium Management LLC | 1,239,251 | $4.30M | 0.00% | −264,343−17.6% | Reduced |
| Candriam Luxembourg S.C.A. | 1,538,234 | $5.34M | 0.04% | −90,000−5.5% | Reduced |
| Kynam Capital Management, LP | 1,552,675 | $5.39M | 0.90% | +52,675+3.5% | Added |
| Samsara BioCapital, LLC | 1,675,579 | $5.81M | 1.78% | 00.0% | Unchanged |
| Baillie Gifford & Co | 1,867,654 | $6.48M | 0.01% | 00.0% | Unchanged |