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 2021
Institutional positions in Sutro Biopharma, Inc. as of Sep 30, 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
- 120
- −4 vs. Q2 2021
- Shares held
- 39.8M
- −1.40M (−3.4%) vs. Q2 2021
- Total value
- $752.5M
- −$14.1M (−1.8%) vs. Q2 2021
- New holders
- 10
- 45 more added
- Sold out
- 14
- 37 more reduced
Compare with Q2 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, Q3 2021
Shares, value and share of portfolio for each institution holding Sutro Biopharma, Inc.; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 3,656,477 | $69.1M | 0.00% | +29,678+0.8% | Added |
| Franklin Resources Inc | 2,952,854 | $55.8M | 0.02% | +104,375+3.7% | Added |
| Eventide Asset Management, LLC | 2,370,975 | $44.8M | 0.59% | 00.0% | Unchanged |
| Suvretta Capital Management, LLC | 2,233,695 | $42.2M | 0.72% | +518,314+30.2% | Added |
| First Light Asset Management, LLC | 2,191,439 | $41.4M | 2.73% | +118,564+5.7% | Added |
| Vanguard Group Inc | 2,115,031 | $40.0M | 0.00% | +51,836+2.5% | Added |
| SV Health Investors, LLC | 1,824,542 | $34.5M | 16.87% | 00.0% | Unchanged |
| Baillie Gifford & Co | 1,794,940 | $33.9M | 0.02% | +7670.0% | Added |
| State Street Corp | 1,702,350 | $32.2M | 0.00% | −531,342−23.8% | Reduced |
| Samsara BioCapital, LLC | 1,675,579 | $31.7M | 5.25% | 00.0% | Unchanged |
| Holocene Advisors, LP | 1,607,466 | $30.4M | 0.18% | +10,584+0.7% | Added |
| Loomis Sayles & Co L P | 1,569,805 | $29.7M | 0.04% | +241,791+18.2% | Added |
| Frazier Management LLC | 1,468,663 | $27.7M | 2.22% | +467,242+46.7% | Added |
| BVF Inc | 826,825 | $15.6M | 0.61% | 00.0% | Unchanged |
| FMR LLC | 737,300 | $13.9M | 0.00% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 691,976 | $13.1M | 0.00% | +14,270+2.1% | Added |
| Citadel Advisors LLC | 669,643 | $12.7M | 0.01% | −90,351−11.9% | Reduced |
| Opaleye Management Inc. | 537,800 | $10.2M | 1.90% | +40,900+8.2% | Added |
| Northern Trust Corp | 536,024 | $10.1M | 0.00% | −18,375−3.3% | Reduced |
| Lombard Odier Asset Management (Switzerland) SA | 483,763 | $9.14M | 0.57% | +55,924+13.1% | Added |
| Tekla Capital Management LLC | 400,147 | $7.56M | 0.24% | 00.0% | Unchanged |
| Point72 Asset Management, L.P. | 375,000 | $7.08M | 0.03% | −761,600−67.0% | Reduced |
| Nuveen Asset Management, LLC | 358,261 | $6.77M | 0.00% | −47,934−11.8% | Reduced |
| Invesco Ltd. | 345,237 | $6.52M | 0.00% | +8,947+2.7% | Added |
| Barclays PLC | 330,624 | $6.25M | 0.00% | +91,630+38.3% | Added |
| Goldman Sachs Group Inc | 326,157 | $6.16M | 0.00% | +274,151+527.2% | Added |
| Sphera Funds Management Ltd. | 294,825 | $5.57M | 0.55% | 00.0% | Unchanged |
| Adage Capital Partners GP, L.L.C. | 275,000 | $5.20M | 0.01% | −50,000−15.4% | Reduced |
| Dimensional Fund Advisors LP | 251,081 | $4.74M | 0.00% | −87,106−25.8% | Reduced |
| Two Sigma Investments, LP | 227,481 | $4.30M | 0.01% | +23,437+11.5% | Added |
| Nomura Holdings Inc | 221,738 | $4.28M | 0.03% | +209,238+1,673.9% | Added |
| Woodline Partners LP | 219,511 | $4.15M | 0.07% | 00.0% | Unchanged |
| Janus Henderson Group PLC | 216,813 | $4.09M | 0.00% | +21,993+11.3% | Added |
| Neuberger Berman Group LLC | 220,918 | $4.08M | 0.00% | +6,035+2.8% | Added |
| Millennium Management LLC | 214,583 | $4.05M | 0.01% | −263,537−55.1% | Reduced |
| Pentwater Capital Management LP | 210,000 | $3.97M | 0.05% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 204,677 | $3.87M | 0.00% | +94,320+85.5% | Added |
| Acadian Asset Management LLC | 182,288 | $3.44M | 0.01% | −40,181−18.1% | Reduced |
| AJU IB Investment Co., Ltd. | 175,000 | $3.31M | 2.13% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 166,879 | $3.15M | 0.00% | +13,283+8.6% | Added |
| Parkman Healthcare Partners LLC | 163,389 | $3.09M | 0.78% | 00.0% | Unchanged |
| Verition Fund Management LLC | 163,007 | $3.08M | 0.05% | +58,687+56.3% | Added |
| Two Sigma Advisers, LP | 154,300 | $2.92M | 0.01% | +62,300+67.7% | Added |
| Panagora Asset Management Inc | 154,133 | $2.91M | 0.02% | +2,613+1.7% | Added |
| International Biotechnology Trust PLC | 139,331 | $2.63M | 0.63% | 00.0% | Unchanged |
| Victory Capital Management Inc | 137,081 | $2.59M | 0.00% | −1,233−0.9% | Reduced |
| Ikarian Capital, LLC | 134,575 | $2.54M | 0.58% | −785−0.6% | Reduced |
| Kennedy Capital Management, Inc. | 131,792 | $2.49M | 0.06% | −382−0.3% | Reduced |
| Wells Fargo & Company | 112,820 | $2.13M | 0.00% | −27,349−19.5% | Reduced |
| Charles Schwab Investment Management Inc | 107,873 | $2.04M | 0.00% | +3,875+3.7% | Added |
| Massachusetts Financial Services Co | 91,798 | $1.73M | 0.00% | +91,798 | New |
| DAFNA Capital Management LLC | 85,000 | $1.61M | 0.43% | 00.0% | Unchanged |
| Allianz Asset Management GmbH | 78,471 | $1.48M | 0.00% | +37,956+93.7% | Added |
| Swiss National Bank | 70,800 | $1.34M | 0.00% | 00.0% | Unchanged |
| Principal Financial Group Inc | 65,942 | $1.25M | 0.00% | −1,867−2.8% | Reduced |
| JPMorgan Chase & Co | 56,719 | $1.07M | 0.00% | −6,429−10.2% | Reduced |
| State of Wisconsin Investment Board | 56,130 | $1.06M | 0.00% | 00.0% | Unchanged |
| Deutsche Bank AG | 55,754 | $1.05M | 0.00% | −800−1.4% | Reduced |
| Rafferty Asset Management, LLC | 55,709 | $1.05M | 0.01% | −32,460−36.8% | Reduced |
| Rhumbline Advisers | 55,236 | $1.04M | 0.00% | +2,025+3.8% | Added |
| Hudson Bay Capital Management LP | 50,000 | $945.0K | 0.01% | +25,000+100.0% | Added |
| California State Teachers Retirement System | 49,799 | $941.0K | 0.00% | −9,995−16.7% | Reduced |
| Citigroup Inc | 42,505 | $803.0K | 0.00% | −95,096−69.1% | Reduced |
| Los Angeles Capital Management LLC | 41,004 | $775.0K | 0.00% | −2,750−6.3% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 38,407 | $726.0K | 0.00% | +14,687+61.9% | Added |
| D. E. Shaw & Co., Inc. | 37,387 | $706.0K | 0.00% | +8,410+29.0% | Added |
| Susquehanna Fundamental Investments, LLC | 37,235 | $703.0K | 0.01% | −10,951−22.7% | Reduced |
| Bank of America Corp | 36,213 | $684.0K | 0.00% | +1,272+3.6% | Added |
| Algert Global LLC | 34,152 | $645.0K | 0.09% | +11,602+51.5% | Added |
| New York State Common Retirement Fund | 31,353 | $592.0K | 0.00% | −6,114−16.3% | Reduced |
| Susquehanna International Group, LLP | 29,382 | $555.0K | 0.00% | −13,740−31.9% | Reduced |
| SG Americas Securities, LLC | 29,162 | $551.0K | 0.00% | +29,162 | New |
| Morgan Stanley | 26,143 | $493.0K | 0.00% | −167,035−86.5% | Reduced |
| AlphaCentric Advisors LLC | 26,000 | $491.0K | 0.12% | −1,000−3.7% | Reduced |
| Boothbay Fund Management, LLC | 25,711 | $486.0K | 0.02% | −3,466−11.9% | Reduced |
| ExodusPoint Capital Management, LP | 25,259 | $477.0K | 0.01% | +25,259 | New |
| American International Group, Inc. | 23,732 | $448.0K | 0.00% | −564−2.3% | Reduced |
| J. Goldman & Co LP | 23,227 | $439.0K | 0.04% | −48,213−67.5% | Reduced |
| Manufacturers Life Insurance Company, The | 23,004 | $435.0K | 0.00% | −1,883−7.6% | Reduced |
| Credit Suisse AG | 20,935 | $396.0K | 0.00% | +1,648+8.5% | Added |
| Russell Investments Group, Ltd. | 17,369 | $328.0K | 0.00% | 00.0% | Unchanged |
| Voya Investment Management LLC | 16,982 | $321.0K | 0.00% | 00.0% | Unchanged |
| MetLife Investment Management | 16,423 | $310.2K | 0.00% | 00.0% | Unchanged |
| ProShare Advisors LLC | 15,414 | $291.0K | 0.00% | −4,108−21.0% | Reduced |
| AQR Capital Management LLC | 14,519 | $274.0K | 0.00% | +14,519 | New |
| Metropolitan Life Insurance Co | 12,710 | $240.1K | 0.00% | +679+5.6% | Added |
| Legal & General Group Plc | 11,270 | $213.0K | 0.00% | +6,349+129.0% | Added |
| Bailard, Inc. | 11,300 | $213.0K | 0.01% | +11,300 | New |
| Squarepoint Ops LLC | 11,228 | $212.0K | 0.00% | −23,649−67.8% | Reduced |
| State Board of Administration of Florida Retirement System | 11,156 | $211.0K | 0.00% | 00.0% | Unchanged |
| Virtus ETF Advisers LLC | 11,067 | $209.0K | 0.09% | −577−5.0% | Reduced |
| Parametric Portfolio Associates LLC | 10,824 | $204.0K | 0.00% | −1,404−11.5% | Reduced |
| DekaBank Deutsche Girozentrale | 11,000 | $201.0K | 0.00% | 00.0% | Unchanged |
| Manchester Capital Management LLC | 10,561 | $199.0K | 0.03% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 10,514 | $198.6K | 0.00% | +6,002+133.0% | Added |
| American Portfolios Advisors | 8,025 | $151.6K | 0.01% | 00.0% | Unchanged |
| First Quadrant L P | 6,000 | $113.0K | 0.01% | 00.0% | Unchanged |
| HighMark Wealth Management LLC | 5,608 | $106.0K | 0.08% | +142+2.6% | Added |
| Cubist Systematic Strategies, LLC | 5,513 | $104.0K | 0.00% | −22,987−80.7% | Reduced |
| Quantbot Technologies LP | 4,800 | $90.0K | 0.01% | +3,900+433.3% | Added |