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, Q2 2021
Institutional positions in Sutro Biopharma, Inc. as of Jun 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
- 124
- −14 vs. Q1 2021
- Shares held
- 41.2M
- −3.14M (−7.1%) vs. Q1 2021
- Total value
- $766.7M
- −$242.8M (−24.1%) vs. Q1 2021
- New holders
- 12
- 50 more added
- Sold out
- 26
- 44 more reduced
Compare with Q1 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, Q2 2021
Shares, value and share of portfolio for each institution holding Sutro Biopharma, Inc.; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Simplex Trading, LLC | 21 | $0 | 0.00% | −7,106−99.7% | Reduced |
| Captrust Financial Advisors | 58 | $1.00K | 0.00% | −12−17.1% | Reduced |
| Daiwa Securities Group Inc. | 89 | $2.00K | 0.00% | 00.0% | Unchanged |
| Bellevue Asset Management, LLC | 88 | $2.00K | 0.00% | −13−12.9% | Reduced |
| Royal Bank of Canada | 434 | $8.00K | 0.00% | −2,282−84.0% | Reduced |
| Parallel Advisors, LLC | 465 | $9.00K | 0.00% | 00.0% | Unchanged |
| Point72 Hong Kong Ltd | 667 | $12.0K | 0.00% | −162−19.5% | Reduced |
| Geneos Wealth Management Inc. | 700 | $13.0K | 0.00% | 00.0% | Unchanged |
| Quantbot Technologies LP | 900 | $16.0K | 0.00% | +900 | New |
| Penserra Capital Management LLC | 1,050 | $19.0K | 0.00% | +35+3.4% | Added |
| FourThought Financial, LLC | 1,734 | $32.0K | 0.00% | −86−4.7% | Reduced |
| Federated Hermes, Inc. | 2,089 | $39.0K | 0.00% | −326,685−99.4% | Reduced |
| Cutler Group LP | 2,560 | $47.0K | 0.00% | −1,000−28.1% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 2,674 | $50.0K | 0.00% | +102+4.0% | Added |
| Meeder Asset Management Inc | 3,013 | $56.0K | 0.00% | +1,389+85.5% | Added |
| Ameritas Investment Partners, Inc. | 3,400 | $63.0K | 0.00% | +756+28.6% | Added |
| Tower Research Capital LLC (TRC) | 3,435 | $64.0K | 0.00% | −126−3.5% | Reduced |
| BNP Paribas Arbitrage, SA | 4,512 | $83.9K | 0.00% | −23,542−83.9% | Reduced |
| Legal & General Group Plc | 4,921 | $92.0K | 0.00% | +1,511+44.3% | Added |
| HighMark Wealth Management LLC | 5,466 | $102.0K | 0.07% | +4,181+325.4% | Added |
| First Quadrant L P | 6,000 | $112.0K | 0.01% | 00.0% | Unchanged |
| Group One Trading, L.P. | 7,610 | $141.0K | 0.00% | −1,574−17.1% | Reduced |
| American Portfolios Advisors | 8,025 | $149.2K | 0.01% | +375+4.9% | Added |
| Manchester Capital Management LLC | 10,561 | $196.0K | 0.03% | 00.0% | Unchanged |
| DekaBank Deutsche Girozentrale | 11,000 | $196.0K | 0.00% | 00.0% | Unchanged |
| Winton Group Ltd | 10,653 | $198.0K | 0.01% | −223−2.1% | Reduced |
| State Board of Administration of Florida Retirement System | 11,156 | $207.0K | 0.00% | +2,366+26.9% | Added |
| Virtus ETF Advisers LLC | 11,644 | $216.0K | 0.09% | −2,168−15.7% | Reduced |
| Metropolitan Life Insurance Co | 12,031 | $223.7K | 0.00% | +3,393+39.3% | Added |
| Parametric Portfolio Associates LLC | 12,228 | $227.0K | 0.00% | −4,112−25.2% | Reduced |
| Nomura Holdings Inc | 12,500 | $233.0K | 0.00% | 00.0% | Unchanged |
| Blueshift Asset Management, LLC | 13,189 | $245.0K | 0.01% | +13,189 | New |
| Engineers Gate Manager LP | 14,500 | $270.0K | 0.02% | +14,500 | New |
| Qube Research & Technologies Ltd | 15,339 | $285.0K | 0.00% | +3,892+34.0% | Added |
| Dynamic Technology Lab Private Ltd | 15,548 | $289.0K | 0.03% | +15,548 | New |
| MetLife Investment Management | 16,423 | $305.3K | 0.00% | +3,340+25.5% | Added |
| Voya Investment Management LLC | 16,982 | $316.0K | 0.00% | +3,367+24.7% | Added |
| Russell Investments Group, Ltd. | 17,369 | $322.0K | 0.00% | −38,165−68.7% | Reduced |
| Credit Suisse AG | 19,287 | $358.0K | 0.00% | +19,287 | New |
| ProShare Advisors LLC | 19,522 | $363.0K | 0.00% | +4,611+30.9% | Added |
| Algert Global LLC | 22,550 | $419.0K | 0.14% | −23,240−50.8% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 23,720 | $441.0K | 0.00% | +9,258+64.0% | Added |
| American International Group, Inc. | 24,296 | $452.0K | 0.00% | +5,353+28.3% | Added |
| Manufacturers Life Insurance Company, The | 24,887 | $463.0K | 0.00% | +6,054+32.1% | Added |
| Hudson Bay Capital Management LP | 25,000 | $465.0K | 0.01% | +25,000 | New |
| AlphaCentric Advisors LLC | 27,000 | $502.0K | 0.14% | +23,000+575.0% | Added |
| Cubist Systematic Strategies, LLC | 28,500 | $530.0K | 0.01% | −10,660−27.2% | Reduced |
| D. E. Shaw & Co., Inc. | 28,977 | $539.0K | 0.00% | −13,629−32.0% | Reduced |
| Boothbay Fund Management, LLC | 29,177 | $542.0K | 0.02% | +7,485+34.5% | Added |
| Squarepoint Ops LLC | 34,877 | $648.0K | 0.00% | +34,877 | New |
| Bank of America Corp | 34,941 | $649.0K | 0.00% | +11,005+46.0% | Added |
| New York State Common Retirement Fund | 37,467 | $697.0K | 0.00% | +13,967+59.4% | Added |
| Allianz Asset Management GmbH | 40,515 | $753.0K | 0.00% | +40,515 | New |
| Susquehanna International Group, LLP | 43,122 | $802.0K | 0.00% | −23,453−35.2% | Reduced |
| Los Angeles Capital Management LLC | 43,754 | $813.0K | 0.00% | +43,754 | New |
| Marshall Wace North America L.P. | 43,759 | $814.0K | 0.00% | −133,584−75.3% | Reduced |
| Susquehanna Fundamental Investments, LLC | 48,186 | $896.0K | 0.02% | −2,763−5.4% | Reduced |
| Goldman Sachs Group Inc | 52,006 | $967.0K | 0.00% | −21,387−29.1% | Reduced |
| Rhumbline Advisers | 53,211 | $989.0K | 0.00% | +23,960+81.9% | Added |
| State of Wisconsin Investment Board | 56,130 | $1.04M | 0.00% | +19,700+54.1% | Added |
| Deutsche Bank AG | 56,554 | $1.05M | 0.00% | −60,253−51.6% | Reduced |
| California State Teachers Retirement System | 59,794 | $1.11M | 0.00% | +10,770+22.0% | Added |
| Balyasny Asset Management LLC | 61,432 | $1.14M | 0.01% | +61,432 | New |
| JPMorgan Chase & Co | 63,148 | $1.17M | 0.00% | +4,061+6.9% | Added |
| Principal Financial Group Inc | 67,809 | $1.26M | 0.00% | +67,809 | New |
| Swiss National Bank | 70,800 | $1.32M | 0.00% | +70,800 | New |
| J. Goldman & Co LP | 71,440 | $1.33M | 0.08% | +22,524+46.0% | Added |
| Driehaus Capital Management LLC | 79,700 | $1.48M | 0.02% | −139,100−63.6% | Reduced |
| DAFNA Capital Management LLC | 85,000 | $1.58M | 0.33% | 00.0% | Unchanged |
| Rafferty Asset Management, LLC | 88,169 | $1.64M | 0.01% | −49,134−35.8% | Reduced |
| Two Sigma Advisers, LP | 92,000 | $1.71M | 0.00% | +32,200+53.8% | Added |
| Charles Schwab Investment Management Inc | 103,998 | $1.93M | 0.00% | +22,600+27.8% | Added |
| Verition Fund Management LLC | 104,320 | $1.94M | 0.03% | −367,012−77.9% | Reduced |
| Alliancebernstein L.P. | 110,357 | $2.05M | 0.00% | +21,533+24.2% | Added |
| Marshall Wace, LLP | 114,895 | $2.14M | 0.01% | −205,549−64.1% | Reduced |
| Kennedy Capital Management, Inc. | 132,174 | $2.46M | 0.05% | −9,116−6.5% | Reduced |
| Ikarian Capital, LLC | 135,360 | $2.52M | 0.45% | 00.0% | Unchanged |
| Citigroup Inc | 137,601 | $2.56M | 0.00% | −31,993−18.9% | Reduced |
| Victory Capital Management Inc | 138,314 | $2.57M | 0.00% | −7,960−5.4% | Reduced |
| International Biotechnology Trust PLC | 139,331 | $2.59M | 0.69% | 00.0% | Unchanged |
| Wells Fargo & Company | 140,169 | $2.61M | 0.00% | −3,566−2.5% | Reduced |
| Panagora Asset Management Inc | 151,520 | $2.82M | 0.02% | +84,255+125.3% | Added |
| Bank of New York Mellon Corp | 153,596 | $2.86M | 0.00% | +52,198+51.5% | Added |
| Parkman Healthcare Partners LLC | 163,389 | $3.04M | 0.66% | −39,307−19.4% | Reduced |
| AJU IB Investment Co., Ltd. | 175,000 | $3.25M | 1.88% | 00.0% | Unchanged |
| Morgan Stanley | 193,178 | $3.59M | 0.00% | −579,928−75.0% | Reduced |
| Janus Henderson Group PLC | 194,820 | $3.63M | 0.00% | +32,348+19.9% | Added |
| Two Sigma Investments, LP | 204,044 | $3.79M | 0.01% | +85,534+72.2% | Added |
| Pentwater Capital Management LP | 210,000 | $3.90M | 0.04% | +25,499+13.8% | Added |
| Neuberger Berman Group LLC | 214,883 | $3.99M | 0.00% | +2,674+1.3% | Added |
| Woodline Partners LP | 219,511 | $4.08M | 0.08% | +3,537+1.6% | Added |
| Acadian Asset Management LLC | 222,469 | $4.13M | 0.02% | −14,924−6.3% | Reduced |
| Barclays PLC | 238,994 | $4.44M | 0.00% | −21,129−8.1% | Reduced |
| Sphera Funds Management Ltd. | 294,825 | $5.48M | 0.52% | 00.0% | Unchanged |
| Adage Capital Partners GP, L.L.C. | 325,000 | $6.04M | 0.01% | −125,300−27.8% | Reduced |
| Invesco Ltd. | 336,290 | $6.25M | 0.00% | +43,257+14.8% | Added |
| Dimensional Fund Advisors LP | 338,187 | $6.29M | 0.00% | −23,990−6.6% | Reduced |
| Candriam Luxembourg S.C.A. | 366,207 | $6.81M | 0.05% | −1,903−0.5% | Reduced |
| Tekla Capital Management LLC | 400,147 | $7.44M | 0.24% | −173,676−30.3% | Reduced |
| Nuveen Asset Management, LLC | 406,195 | $7.55M | 0.00% | +20,967+5.4% | Added |