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 | $358.3M |
| 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 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 |
|---|---|---|---|---|---|
| Captrust Financial Advisors | 58 | $1.00K | 0.00% | 00.0% | Unchanged |
| Bellevue Asset Management, LLC | 88 | $2.00K | 0.00% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 158 | $3.00K | 0.00% | +69+77.5% | Added |
| TCI Wealth Advisors, Inc. | 169 | $3.00K | 0.00% | +169 | New |
| Total Clarity Wealth Management, Inc. | 200 | $4.00K | 0.00% | +200 | New |
| Parallel Advisors, LLC | 465 | $9.00K | 0.00% | 00.0% | Unchanged |
| US Bancorp | 834 | $16.0K | 0.00% | +834 | New |
| Penserra Capital Management LLC | 1,055 | $19.0K | 0.00% | +5+0.5% | Added |
| UBS Group AG | 1,221 | $23.0K | 0.00% | +1,221 | New |
| Point72 Hong Kong Ltd | 1,329 | $25.0K | 0.00% | +662+99.3% | Added |
| Royal Bank of Canada | 1,329 | $25.0K | 0.00% | +895+206.2% | Added |
| FourThought Financial, LLC | 1,759 | $33.0K | 0.00% | +25+1.4% | Added |
| Federated Hermes, Inc. | 2,074 | $39.0K | 0.00% | −15−0.7% | Reduced |
| Cutler Group LP | 2,560 | $48.0K | 0.00% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 2,741 | $52.0K | 0.00% | +67+2.5% | Added |
| Lazard Asset Management LLC | 2,795 | $52.0K | 0.00% | +2,795 | New |
| Tower Research Capital LLC (TRC) | 3,015 | $57.0K | 0.00% | −420−12.2% | Reduced |
| Group One Trading, L.P. | 3,110 | $59.0K | 0.00% | −4,500−59.1% | Reduced |
| Ameritas Investment Partners, Inc. | 3,400 | $64.0K | 0.00% | 00.0% | Unchanged |
| Meeder Asset Management Inc | 3,609 | $68.0K | 0.00% | +596+19.8% | Added |
| Quantbot Technologies LP | 4,800 | $90.0K | 0.01% | +3,900+433.3% | Added |
| Cubist Systematic Strategies, LLC | 5,513 | $104.0K | 0.00% | −22,987−80.7% | Reduced |
| HighMark Wealth Management LLC | 5,608 | $106.0K | 0.08% | +142+2.6% | Added |
| First Quadrant L P | 6,000 | $113.0K | 0.01% | 00.0% | Unchanged |
| American Portfolios Advisors | 8,025 | $151.6K | 0.01% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 10,514 | $198.6K | 0.00% | +6,002+133.0% | Added |
| Manchester Capital Management LLC | 10,561 | $199.0K | 0.03% | 00.0% | Unchanged |
| DekaBank Deutsche Girozentrale | 11,000 | $201.0K | 0.00% | 00.0% | Unchanged |
| Parametric Portfolio Associates LLC | 10,824 | $204.0K | 0.00% | −1,404−11.5% | Reduced |
| Virtus ETF Advisers LLC | 11,067 | $209.0K | 0.09% | −577−5.0% | Reduced |
| State Board of Administration of Florida Retirement System | 11,156 | $211.0K | 0.00% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 11,228 | $212.0K | 0.00% | −23,649−67.8% | Reduced |
| 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 |
| Metropolitan Life Insurance Co | 12,710 | $240.1K | 0.00% | +679+5.6% | Added |
| AQR Capital Management LLC | 14,519 | $274.0K | 0.00% | +14,519 | New |
| ProShare Advisors LLC | 15,414 | $291.0K | 0.00% | −4,108−21.0% | Reduced |
| MetLife Investment Management | 16,423 | $310.2K | 0.00% | 00.0% | Unchanged |
| Voya Investment Management LLC | 16,982 | $321.0K | 0.00% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 17,369 | $328.0K | 0.00% | 00.0% | Unchanged |
| Credit Suisse AG | 20,935 | $396.0K | 0.00% | +1,648+8.5% | Added |
| Manufacturers Life Insurance Company, The | 23,004 | $435.0K | 0.00% | −1,883−7.6% | Reduced |
| J. Goldman & Co LP | 23,227 | $439.0K | 0.04% | −48,213−67.5% | Reduced |
| American International Group, Inc. | 23,732 | $448.0K | 0.00% | −564−2.3% | Reduced |
| ExodusPoint Capital Management, LP | 25,259 | $477.0K | 0.01% | +25,259 | New |
| Boothbay Fund Management, LLC | 25,711 | $486.0K | 0.02% | −3,466−11.9% | Reduced |
| AlphaCentric Advisors LLC | 26,000 | $491.0K | 0.12% | −1,000−3.7% | Reduced |
| Morgan Stanley | 26,143 | $493.0K | 0.00% | −167,035−86.5% | Reduced |
| SG Americas Securities, LLC | 29,162 | $551.0K | 0.00% | +29,162 | New |
| Susquehanna International Group, LLP | 29,382 | $555.0K | 0.00% | −13,740−31.9% | Reduced |
| New York State Common Retirement Fund | 31,353 | $592.0K | 0.00% | −6,114−16.3% | Reduced |
| Algert Global LLC | 34,152 | $645.0K | 0.09% | +11,602+51.5% | Added |
| Bank of America Corp | 36,213 | $684.0K | 0.00% | +1,272+3.6% | Added |
| Susquehanna Fundamental Investments, LLC | 37,235 | $703.0K | 0.01% | −10,951−22.7% | Reduced |
| D. E. Shaw & Co., Inc. | 37,387 | $706.0K | 0.00% | +8,410+29.0% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 38,407 | $726.0K | 0.00% | +14,687+61.9% | Added |
| Los Angeles Capital Management LLC | 41,004 | $775.0K | 0.00% | −2,750−6.3% | Reduced |
| Citigroup Inc | 42,505 | $803.0K | 0.00% | −95,096−69.1% | Reduced |
| California State Teachers Retirement System | 49,799 | $941.0K | 0.00% | −9,995−16.7% | Reduced |
| Hudson Bay Capital Management LP | 50,000 | $945.0K | 0.01% | +25,000+100.0% | Added |
| Rhumbline Advisers | 55,236 | $1.04M | 0.00% | +2,025+3.8% | Added |
| Rafferty Asset Management, LLC | 55,709 | $1.05M | 0.01% | −32,460−36.8% | Reduced |
| Deutsche Bank AG | 55,754 | $1.05M | 0.00% | −800−1.4% | Reduced |
| State of Wisconsin Investment Board | 56,130 | $1.06M | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 56,719 | $1.07M | 0.00% | −6,429−10.2% | Reduced |
| Principal Financial Group Inc | 65,942 | $1.25M | 0.00% | −1,867−2.8% | Reduced |
| Swiss National Bank | 70,800 | $1.34M | 0.00% | 00.0% | Unchanged |
| Allianz Asset Management GmbH | 78,471 | $1.48M | 0.00% | +37,956+93.7% | Added |
| DAFNA Capital Management LLC | 85,000 | $1.61M | 0.43% | 00.0% | Unchanged |
| Massachusetts Financial Services Co | 91,798 | $1.73M | 0.00% | +91,798 | New |
| Charles Schwab Investment Management Inc | 107,873 | $2.04M | 0.00% | +3,875+3.7% | Added |
| Wells Fargo & Company | 112,820 | $2.13M | 0.00% | −27,349−19.5% | Reduced |
| Kennedy Capital Management, Inc. | 131,792 | $2.49M | 0.06% | −382−0.3% | Reduced |
| Ikarian Capital, LLC | 134,575 | $2.54M | 0.58% | −785−0.6% | Reduced |
| Victory Capital Management Inc | 137,081 | $2.59M | 0.00% | −1,233−0.9% | Reduced |
| International Biotechnology Trust PLC | 139,331 | $2.63M | 0.65% | 00.0% | Unchanged |
| Panagora Asset Management Inc | 154,133 | $2.91M | 0.02% | +2,613+1.7% | Added |
| Two Sigma Advisers, LP | 154,300 | $2.92M | 0.01% | +62,300+67.7% | Added |
| Verition Fund Management LLC | 163,007 | $3.08M | 0.05% | +58,687+56.3% | Added |
| Parkman Healthcare Partners LLC | 163,389 | $3.09M | 0.78% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 166,879 | $3.15M | 0.00% | +13,283+8.6% | Added |
| AJU IB Investment Co., Ltd. | 175,000 | $3.31M | 2.13% | 00.0% | Unchanged |
| Acadian Asset Management LLC | 182,288 | $3.44M | 0.01% | −40,181−18.1% | Reduced |
| Alliancebernstein L.P. | 204,677 | $3.87M | 0.00% | +94,320+85.5% | Added |
| Pentwater Capital Management LP | 210,000 | $3.97M | 0.05% | 00.0% | Unchanged |
| Millennium Management LLC | 214,583 | $4.05M | 0.01% | −263,537−55.1% | Reduced |
| Neuberger Berman Group LLC | 220,918 | $4.08M | 0.00% | +6,035+2.8% | Added |
| Janus Henderson Group PLC | 216,813 | $4.09M | 0.00% | +21,993+11.3% | Added |
| Woodline Partners LP | 219,511 | $4.15M | 0.07% | 00.0% | Unchanged |
| Nomura Holdings Inc | 221,738 | $4.28M | 0.03% | +209,238+1,673.9% | Added |
| Two Sigma Investments, LP | 227,481 | $4.30M | 0.01% | +23,437+11.5% | Added |
| Dimensional Fund Advisors LP | 251,081 | $4.74M | 0.00% | −87,106−25.8% | Reduced |
| Adage Capital Partners GP, L.L.C. | 275,000 | $5.20M | 0.01% | −50,000−15.4% | Reduced |
| Sphera Funds Management Ltd. | 294,825 | $5.57M | 0.55% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 326,157 | $6.16M | 0.00% | +274,151+527.2% | Added |
| Barclays PLC | 330,624 | $6.25M | 0.00% | +91,630+38.3% | Added |
| Invesco Ltd. | 345,237 | $6.52M | 0.00% | +8,947+2.7% | Added |
| Nuveen Asset Management, LLC | 358,261 | $6.77M | 0.00% | −47,934−11.8% | Reduced |
| Point72 Asset Management, L.P. | 375,000 | $7.08M | 0.03% | −761,600−67.0% | Reduced |
| Tekla Capital Management LLC | 400,147 | $7.56M | 0.24% | 00.0% | Unchanged |