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 2024
Institutional positions in Sutro Biopharma, Inc. as of Dec 31, 2024. 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
- 123
- −6 vs. Q3 2024
- Shares held
- 63.9M
- +1.39M (+2.2%) vs. Q3 2024
- Total value
- $117.6M
- −$98.8M (−45.7%) vs. Q3 2024
- New holders
- 24
- 41 more added
- Sold out
- 30
- 35 more reduced
1 institution that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2024: 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, Q4 2024
Shares, value and share of portfolio for each institution holding Sutro Biopharma, Inc.; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 7,593,191 | $14.0M | 0.00% | +577,072+8.2% | Added |
| Suvretta Capital Management, LLC | 7,462,495 | $13.7M | 0.51% | +275,000+3.8% | Added |
| Vanguard Group Inc | 4,208,500 | $7.74M | 0.00% | +13,428+0.3% | Added |
| Kynam Capital Management, LP | 3,641,447 | $6.70M | 0.44% | +1,575,000+76.2% | Added |
| Merck & Co., Inc. | 2,723,509 | $5.01M | 1.94% | +2,723,509 | New |
| Vestal Point Capital, LP | 2,570,000 | $4.73M | 0.28% | +2,570,000 | New |
| Citadel Advisors LLC | 2,458,657 | $4.52M | 0.00% | +332,002+15.6% | Added |
| Point72 Asset Management, L.P. | 2,197,538 | $4.04M | 0.01% | −799,915−26.7% | Reduced |
| Samsara BioCapital, LLC | 2,196,814 | $4.04M | 0.55% | 00.0% | Unchanged |
| MPM Oncology Impact Management LP | 2,160,062 | $3.97M | 0.56% | −672,002−23.7% | Reduced |
| Adage Capital Partners GP, L.L.C. | 2,000,000 | $3.68M | 0.01% | −250,132−11.1% | Reduced |
| Geode Capital Management, LLC | 1,854,017 | $3.41M | 0.00% | −2,939−0.2% | Reduced |
| Acadian Asset Management LLC | 1,751,925 | $3.22M | 0.01% | +142,051+8.8% | Added |
| Parkman Healthcare Partners LLC | 1,727,925 | $3.18M | 0.42% | +11,793+0.7% | Added |
| Goldman Sachs Group Inc | 1,714,422 | $3.15M | 0.00% | −31,846−1.8% | Reduced |
| State Street Corp | 1,701,870 | $3.13M | 0.00% | +54,708+3.3% | Added |
| Morgan Stanley | 1,520,136 | $2.80M | 0.00% | +1,246,051+454.6% | Added |
| Nuveen Asset Management, LLC | 1,323,777 | $2.44M | 0.00% | +124,154+10.3% | Added |
| Dimensional Fund Advisors LP | 1,136,457 | $2.09M | 0.00% | +156,139+15.9% | Added |
| Renaissance Technologies LLC | 1,015,211 | $1.87M | 0.00% | +187,114+22.6% | Added |
| Jacobs Levy Equity Management, Inc | 859,373 | $1.58M | 0.01% | +37,627+4.6% | Added |
| Eversept Partners, LP | 694,408 | $1.28M | 0.13% | −1,147,581−62.3% | Reduced |
| Northern Trust Corp | 636,920 | $1.17M | 0.00% | +14,492+2.3% | Added |
| Two Sigma Advisers, LP | 547,800 | $1.01M | 0.00% | −43,100−7.3% | Reduced |
| Prudential Financial Inc | 547,510 | $1.01M | 0.00% | +426,100+351.0% | Added |
| DAFNA Capital Management LLC | 437,079 | $804.2K | 0.20% | +107,500+32.6% | Added |
| Millennium Management LLC | 405,618 | $746.3K | 0.00% | −1,626,127−80.0% | Reduced |
| LPL Financial LLC | 362,232 | $666.5K | 0.00% | +92,333+34.2% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 326,317 | $600.4K | 0.00% | −110,734−25.3% | Reduced |
| Two Sigma Investments, LP | 316,292 | $582.0K | 0.00% | −175,473−35.7% | Reduced |
| UBS Oconnor LLC | 300,621 | $553.1K | 0.01% | −37,601−11.1% | Reduced |
| FMR LLC | 277,892 | $511.3K | 0.00% | +88,851+47.0% | Added |
| Fisher Asset Management, LLC | 271,337 | $499.3K | 0.00% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 251,995 | $463.7K | 0.00% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 217,627 | $400.4K | 0.00% | +2,578+1.2% | Added |
| Shay Capital LLC | 203,601 | $374.6K | 0.09% | +203,601 | New |
| Schonfeld Strategic Advisors LLC | 196,800 | $362.1K | 0.00% | −86,800−30.6% | Reduced |
| Bridgeway Capital Management, LLC | 189,700 | $349.0K | 0.01% | +90,500+91.2% | Added |
| UBS Group AG | 183,661 | $337.9K | 0.00% | +17,802+10.7% | Added |
| Ameriprise Financial Inc | 180,401 | $331.9K | 0.00% | −1,825−1.0% | Reduced |
| AJU IB Investment Co., Ltd. | 175,000 | $322.0K | 0.31% | +175,000 | New |
| Barclays PLC | 158,814 | $292.2K | 0.00% | −114,205−41.8% | Reduced |
| D. E. Shaw & Co., Inc. | 157,683 | $290.1K | 0.00% | −9,962−5.9% | Reduced |
| STRS Ohio | 152,800 | $281.2K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 150,758 | $277.4K | 0.00% | +68,234+82.7% | Added |
| Panagora Asset Management Inc | 142,186 | $261.6K | 0.00% | −102,623−41.9% | Reduced |
| Man Group plc | 132,406 | $243.6K | 0.00% | −31,522−19.2% | Reduced |
| Rhumbline Advisers | 126,698 | $233.1K | 0.00% | +7,320+6.1% | Added |
| AQR Capital Management LLC | 114,587 | $210.8K | 0.00% | −210,951−64.8% | Reduced |
| Bank of America Corp | 106,258 | $195.5K | 0.00% | −22,894−17.7% | Reduced |
| Russell Investments Group, Ltd. | 99,445 | $183.0K | 0.00% | −51,776−34.2% | Reduced |
| Thrivent Financial for Lutherans | 97,096 | $178.0K | 0.00% | +97,096 | New |
| Public Employees Retirement System of Ohio | 96,657 | $177.8K | 0.00% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 96,370 | $177.3K | 0.00% | 00.0% | Unchanged |
| Omers Administration Corp | 95,150 | $175.1K | 0.00% | −95,150−50.0% | Reduced |
| American Century Companies Inc | 93,033 | $171.2K | 0.00% | +20,958+29.1% | Added |
| Franklin Resources Inc | 91,797 | $168.9K | 0.00% | −1,438−1.5% | Reduced |
| Susquehanna Fundamental Investments, LLC | 87,810 | $161.6K | 0.00% | +87,810 | New |
| Aristides Capital LLC | 79,400 | $146.1K | 0.05% | +79,400 | New |
| Susquehanna International Group, LLP | 73,469 | $135.2K | 0.00% | −8,922−10.8% | Reduced |
| Standard Life Aberdeen plc | 69,389 | $127.7K | 0.00% | 00.0% | Unchanged |
| Alps Advisors Inc | 66,646 | $122.6K | 0.00% | +1,585+2.4% | Added |
| JPMorgan Chase & Co | 64,045 | $117.8K | 0.00% | +5,109+8.7% | Added |
| Citigroup Inc | 63,924 | $117.6K | 0.00% | +2,784+4.6% | Added |
| HSBC Holdings PLC | 63,554 | $116.0K | 0.00% | −18,111−22.2% | Reduced |
| SEI Investments Co | 56,347 | $103.7K | 0.00% | +56,347 | New |
| Wells Fargo & Company | 52,738 | $97.0K | 0.00% | +10,466+24.8% | Added |
| Baillie Gifford & Co | 48,791 | $89.8K | 0.00% | −1,470,550−96.8% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 46,886 | $86.3K | 0.00% | +2,060+4.6% | Added |
| Exchange Traded Concepts, LLC | 45,260 | $83.3K | 0.00% | 00.0% | Unchanged |
| Corebridge Financial, Inc. | 40,698 | $74.9K | 0.00% | −3,073−7.0% | Reduced |
| SG Americas Securities, LLC | 40,432 | $74.0K | 0.00% | +5,770+16.6% | Added |
| Invesco Ltd. | 38,749 | $71.3K | 0.00% | +13,620+54.2% | Added |
| Intech Investment Management LLC | 36,168 | $66.5K | 0.00% | +9,832+37.3% | Added |
| Sherbrooke Park Advisers LLC | 33,640 | $61.9K | 0.02% | −95,210−73.9% | Reduced |
| Voya Investment Management LLC | 32,148 | $59.2K | 0.00% | +618+2.0% | Added |
| Manufacturers Life Insurance Company, The | 30,881 | $56.8K | 0.00% | −1,003−3.1% | Reduced |
| Price T Rowe Associates Inc | 30,199 | $56.0K | 0.00% | +3,944+15.0% | Added |
| Velan Capital Investment Management LP | 30,000 | $55.2K | 0.05% | +30,000 | New |
| ProShare Advisors LLC | 26,961 | $49.6K | 0.00% | +11,494+74.3% | Added |
| Vontobel Holding Ltd. | 25,000 | $46.0K | 0.00% | +10,000+66.7% | Added |
| MetLife Investment Management | 23,390 | $43.0K | 0.00% | −7,508−24.3% | Reduced |
| XTX Topco Ltd | 21,809 | $40.1K | 0.00% | −82,391−79.1% | Reduced |
| PEAK6 LLC | 21,306 | $39.2K | 0.00% | +21,306 | New |
| Advisor Group Holdings, Inc. | 19,535 | $35.9K | 0.00% | +8,985+85.2% | Added |
| China Universal Asset Management Co., Ltd. | 17,484 | $32.2K | 0.00% | +17,484 | New |
| State Board of Administration of Florida Retirement System | 17,273 | $31.8K | 0.00% | 00.0% | Unchanged |
| Police & Firemen's Retirement System of New Jersey | 16,570 | $30.5K | 0.00% | +16,570 | New |
| Dynamic Technology Lab Private Ltd | 14,309 | $26.0K | 0.00% | +14,309 | New |
| New York State Common Retirement Fund | 13,625 | $25.1K | 0.00% | 00.0% | Unchanged |
| BKD Wealth Advisors, LLC | 12,840 | $23.6K | 0.00% | 00.0% | Unchanged |
| Diversified Trust Co | 12,610 | $23.2K | 0.00% | −421−3.2% | Reduced |
| Royal Bank of Canada | 12,120 | $22.0K | 0.00% | +3,845+46.5% | Added |
| JustInvest LLC | 10,414 | $19.2K | 0.00% | +10,414 | New |
| Tower Research Capital LLC (TRC) | 7,711 | $14.2K | 0.00% | +4,034+109.7% | Added |
| Legal & General Group Plc | 7,073 | $13.0K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 6,622 | $12.2K | 0.00% | 00.0% | Unchanged |
| California State Teachers Retirement System | 5,932 | $10.9K | 0.00% | 00.0% | Unchanged |
| Mirae Asset Global Investments Co., Ltd. | 2,748 | $5.19K | 0.00% | +2,748 | New |
| Sterling Capital Management LLC | 2,780 | $5.12K | 0.00% | +2,479+823.6% | Added |