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
- 55.6M
- −246.4K (−0.4%) vs. Q3 2023
- Total value
- $238.7M
- +$44.4M (+22.9%) vs. Q3 2023
- New holders
- 20
- 43 more added
- Sold out
- 15
- 29 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 | $358.3M |
| 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, 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 |
|---|---|---|---|---|---|
| Simplex Trading, LLC | 187 | $0 | 0.00% | +187 | New |
| Washington Trust Advisors, Inc. | 179 | $768 | 0.00% | 00.0% | Unchanged |
| Comerica Bank | 187 | $802 | 0.00% | −93−33.2% | Reduced |
| Federated Hermes, Inc. | 223 | $957 | 0.00% | −6,164−96.5% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 285 | $1.22K | 0.00% | −1,863−86.7% | Reduced |
| Parallel Advisors, LLC | 465 | $2.00K | 0.00% | −65−12.3% | Reduced |
| Bogart Wealth, LLC | 500 | $2.15K | 0.00% | 00.0% | Unchanged |
| Cape Investment Advisory, Inc. | 1,000 | $4.29K | 0.00% | +1,000 | New |
| Metropolitan Life Insurance Co | 1,086 | $4.66K | 0.00% | −1,867−63.2% | Reduced |
| Point72 Middle East FZE | 1,798 | $7.71K | 0.00% | +1,798 | New |
| HighMark Wealth Management LLC | 2,250 | $9.65K | 0.01% | 00.0% | Unchanged |
| Quantbot Technologies LP | 3,312 | $14.2K | 0.00% | +3,312 | New |
| Virtus Fund Advisers, LLC | 4,412 | $18.9K | 0.12% | 00.0% | Unchanged |
| Legal & General Group Plc | 4,960 | $21.3K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 4,967 | $21.3K | 0.00% | 00.0% | Unchanged |
| Amalgamated Bank | 5,114 | $22.0K | 0.00% | −584−10.2% | Reduced |
| Citigroup Inc | 8,673 | $37.2K | 0.00% | +7,848+951.3% | Added |
| Nisa Investment Advisors, LLC | 8,820 | $37.8K | 0.00% | +8,758+14,125.8% | Added |
| Tower Research Capital LLC (TRC) | 9,396 | $40.3K | 0.00% | −5,732−37.9% | Reduced |
| California State Teachers Retirement System | 9,900 | $42.5K | 0.00% | −3,372−25.4% | Reduced |
| Advisor Group Holdings, Inc. | 10,250 | $44.0K | 0.00% | 00.0% | Unchanged |
| Diversified Trust Co | 11,189 | $48.0K | 0.00% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 13,639 | $58.5K | 0.00% | −117−0.9% | Reduced |
| Squarepoint Ops LLC | 13,903 | $59.6K | 0.00% | +13,903 | New |
| Dynamic Technology Lab Private Ltd | 13,899 | $60.0K | 0.01% | +13,899 | New |
| Price T Rowe Associates Inc | 14,449 | $62.0K | 0.00% | +1,335+10.2% | Added |
| BNP Paribas Arbitrage, SA | 16,369 | $70.2K | 0.00% | −16,731−50.5% | Reduced |
| Virtu Financial LLC | 16,766 | $72.0K | 0.01% | +16,766 | New |
| State Board of Administration of Florida Retirement System | 17,273 | $74.1K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 18,829 | $81.0K | 0.00% | +8,710+86.1% | Added |
| Principal Financial Group Inc | 19,899 | $85.4K | 0.00% | −2,251−10.2% | Reduced |
| Wells Fargo & Company | 23,173 | $99.4K | 0.00% | +3,656+18.7% | Added |
| Manufacturers Life Insurance Company, The | 25,748 | $110.5K | 0.00% | 00.0% | Unchanged |
| Voya Investment Management LLC | 26,021 | $111.6K | 0.00% | +1,320+5.3% | Added |
| Susquehanna Portfolio Strategies, LLC | 26,668 | $114.4K | 0.00% | +26,668 | New |
| MetLife Investment Management | 28,380 | $121.8K | 0.00% | 00.0% | Unchanged |
| Kennedy Capital Management, Inc. | 29,845 | $128.0K | 0.00% | +29,845 | New |
| American International Group, Inc. | 29,896 | $128.3K | 0.00% | −121−0.4% | Reduced |
| State of Wisconsin Investment Board | 30,400 | $130.4K | 0.00% | −85,600−73.8% | Reduced |
| Invesco Ltd. | 30,624 | $131.4K | 0.00% | +9,238+43.2% | Added |
| Deutsche Bank AG | 32,568 | $139.7K | 0.00% | −1,214−3.6% | Reduced |
| Cornercap Investment Counsel Inc | 35,690 | $153.1K | 0.03% | 00.0% | Unchanged |
| Exchange Traded Concepts, LLC | 35,856 | $153.8K | 0.00% | +9,092+34.0% | Added |
| Susquehanna International Group, LLP | 37,237 | $159.7K | 0.00% | −83,168−69.1% | Reduced |
| Russell Investments Group, Ltd. | 38,224 | $164.0K | 0.00% | −70,371−64.8% | Reduced |
| SG Americas Securities, LLC | 40,779 | $175.0K | 0.00% | +8,314+25.6% | Added |
| American Century Companies Inc | 43,474 | $186.5K | 0.00% | +6,256+16.8% | Added |
| Aristides Capital LLC | 50,476 | $216.5K | 0.11% | +50,476 | New |
| HSBC Holdings PLC | 52,399 | $223.5K | 0.00% | +24,628+88.7% | Added |
| Prelude Capital Management, LLC | 53,535 | $229.7K | 0.02% | +34,600+182.7% | Added |
| Engineers Gate Manager LP | 56,580 | $242.7K | 0.01% | +56,580 | New |
| UBS Group AG | 59,591 | $255.6K | 0.00% | +23,618+65.7% | Added |
| Public Employees Retirement System of Ohio | 61,778 | $265.0K | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 66,140 | $283.7K | 0.00% | −10,684−13.9% | Reduced |
| Standard Life Aberdeen plc | 69,389 | $297.7K | 0.00% | +69,389 | New |
| Walleye Capital LLC | 73,271 | $314.3K | 0.00% | +73,271 | New |
| Alliancebernstein L.P. | 75,300 | $323.0K | 0.00% | 00.0% | Unchanged |
| Cubist Systematic Strategies, LLC | 76,126 | $326.6K | 0.00% | +76,126 | New |
| XTX Topco Ltd | 82,988 | $356.0K | 0.08% | +62,542+305.9% | Added |
| AQR Capital Management LLC | 83,626 | $358.8K | 0.00% | +59,868+252.0% | Added |
| FMR LLC | 85,587 | $367.2K | 0.00% | +5,327+6.6% | Added |
| Rhumbline Advisers | 91,589 | $392.9K | 0.00% | −309−0.3% | Reduced |
| Jane Street Group, LLC | 105,687 | $453.4K | 0.00% | +92,408+695.9% | Added |
| Bank of America Corp | 111,090 | $476.6K | 0.00% | +21,098+23.4% | Added |
| Man Group plc | 119,088 | $510.9K | 0.00% | – | – |
| Simplify Asset Management Inc. | 120,000 | $514.8K | 0.08% | 00.0% | Unchanged |
| Ameriprise Financial Inc | 131,242 | $563.0K | 0.00% | +25,662+24.3% | Added |
| Citadel Advisors LLC | 131,925 | $566.0K | 0.00% | +83,336+171.5% | Added |
| Barclays PLC | 132,059 | $566.5K | 0.00% | +69,480+111.0% | Added |
| Exome Asset Management LLC | 153,600 | $658.9K | 0.65% | +153,600 | New |
| Charles Schwab Investment Management Inc | 160,876 | $690.2K | 0.00% | 00.0% | Unchanged |
| Prudential Financial Inc | 169,220 | $726.0K | 0.00% | +64,230+61.2% | Added |
| Bridgeway Capital Management, LLC | 170,200 | $730.2K | 0.02% | +170,200 | New |
| Propel Bio Management, LLC | 195,000 | $836.5K | 0.69% | +195,000 | New |
| Fisher Asset Management, LLC | 196,517 | $843.1K | 0.00% | 00.0% | Unchanged |
| Nuveen Asset Management, LLC | 215,728 | $925.5K | 0.00% | +3,583+1.7% | Added |
| Morgan Stanley | 223,924 | $960.6K | 0.00% | +70,669+46.1% | Added |
| Tejara Capital Ltd | 226,953 | $973.6K | 0.41% | +138,271+155.9% | Added |
| Two Sigma Advisers, LP | 239,800 | $1.03M | 0.00% | +54,600+29.5% | Added |
| Bank of New York Mellon Corp | 262,624 | $1.13M | 0.00% | +1,173+0.4% | Added |
| DAFNA Capital Management LLC | 283,079 | $1.21M | 0.29% | 00.0% | Unchanged |
| Point72 Asset Management, L.P. | 285,696 | $1.23M | 0.00% | −247,453−46.4% | Reduced |
| Opaleye Management Inc. | 301,491 | $1.29M | 0.35% | +301,491 | New |
| Two Sigma Investments, LP | 323,192 | $1.39M | 0.00% | +323,192 | New |
| Schonfeld Strategic Advisors LLC | 338,600 | $1.45M | 0.01% | −16,400−4.6% | Reduced |
| Jacobs Levy Equity Management, Inc | 340,283 | $1.46M | 0.01% | −85,408−20.1% | Reduced |
| UBS Oconnor LLC | 378,340 | $1.62M | 0.05% | +48,340+14.6% | Added |
| Aquilo Capital Management, LLC | 420,649 | $1.80M | 1.27% | +420,649 | New |
| Pentwater Capital Management LP | 450,000 | $1.93M | 0.04% | +20,000+4.7% | Added |
| Panagora Asset Management Inc | 451,692 | $1.94M | 0.01% | +82,544+22.4% | Added |
| Northern Trust Corp | 481,184 | $2.06M | 0.00% | −4,638−1.0% | Reduced |
| Verition Fund Management LLC | 622,873 | $2.67M | 0.03% | −1,878,803−75.1% | Reduced |
| Sectoral Asset Management Inc | 623,684 | $2.68M | 1.15% | +191,345+44.3% | Added |
| Vontobel Holding Ltd. | 641,684 | $2.75M | 0.02% | +191,345+42.5% | Added |
| Renaissance Technologies LLC | 655,797 | $2.81M | 0.00% | +352,900+116.5% | Added |
| Candriam Luxembourg S.C.A. | 898,234 | $3.85M | 0.03% | −640,000−41.6% | Reduced |
| Acadian Asset Management LLC | 923,029 | $3.96M | 0.02% | +149,162+19.3% | Added |
| Eversept Partners, LP | 1,056,461 | $4.53M | 0.44% | +286,823+37.3% | Added |
| Goldman Sachs Group Inc | 1,060,582 | $4.55M | 0.00% | −30,809−2.8% | Reduced |
| Dimensional Fund Advisors LP | 1,140,760 | $4.89M | 0.00% | +10,937+1.0% | Added |