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 | $358.3M |
| 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 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 |
|---|---|---|---|---|---|
| CWM, LLC | 210 | $0 | 0.00% | −9,463−97.8% | Reduced |
| SBI Securities Co., Ltd. | 2 | $4 | 0.00% | +2 | New |
| Farther Finance Advisors, LLC | 9 | $17 | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 30 | $55 | 0.00% | +30 | New |
| Comerica Bank | 49 | $91 | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 51 | $94 | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 50 | $99 | 0.00% | +50 | New |
| Nisa Investment Advisors, LLC | 58 | $107 | 0.00% | −8,903−99.4% | Reduced |
| EverSource Wealth Advisors, LLC | 61 | $112 | 0.00% | +61 | New |
| Caitong International Asset Management Co., Ltd | 350 | $644 | 0.00% | +350 | New |
| Parallel Advisors, LLC | 465 | $856 | 0.00% | 00.0% | Unchanged |
| Aquilo Capital Management, LLC | 498 | $916 | 0.00% | −762,000−99.9% | Reduced |
| AdvisorNet Financial, Inc | 500 | $920 | 0.00% | 00.0% | Unchanged |
| Bogart Wealth, LLC | 500 | $920 | 0.00% | 00.0% | Unchanged |
| Smartleaf Asset Management LLC | 511 | $945 | 0.00% | +289+130.2% | Added |
| Concord Wealth Partners | 1,000 | $1.84K | 0.00% | +1,000 | New |
| Gen-Wealth Partners Inc | 1,042 | $1.92K | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 1,350 | $2.00K | 0.00% | −3,494−72.1% | Reduced |
| Skopos Labs, Inc. | 1,137 | $2.09K | 0.00% | +1,137 | New |
| R Squared Ltd | 1,190 | $2.19K | 0.00% | +1,190 | New |
| GF Fund Management Co. Ltd. | 1,731 | $3.19K | 0.00% | +1,731 | New |
| Amalgamated Bank | 1,964 | $4.00K | 0.00% | 00.0% | Unchanged |
| HighMark Wealth Management LLC | 2,250 | $4.14K | 0.00% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 2,780 | $5.12K | 0.00% | +2,479+823.6% | Added |
| Mirae Asset Global Investments Co., Ltd. | 2,748 | $5.19K | 0.00% | +2,748 | New |
| California State Teachers Retirement System | 5,932 | $10.9K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 6,622 | $12.2K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 7,073 | $13.0K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 7,711 | $14.2K | 0.00% | +4,034+109.7% | Added |
| JustInvest LLC | 10,414 | $19.2K | 0.00% | +10,414 | New |
| Royal Bank of Canada | 12,120 | $22.0K | 0.00% | +3,845+46.5% | Added |
| Diversified Trust Co | 12,610 | $23.2K | 0.00% | −421−3.2% | Reduced |
| BKD Wealth Advisors, LLC | 12,840 | $23.6K | 0.00% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 13,625 | $25.1K | 0.00% | 00.0% | Unchanged |
| Dynamic Technology Lab Private Ltd | 14,309 | $26.0K | 0.00% | +14,309 | New |
| Police & Firemen's Retirement System of New Jersey | 16,570 | $30.5K | 0.00% | +16,570 | New |
| State Board of Administration of Florida Retirement System | 17,273 | $31.8K | 0.00% | 00.0% | Unchanged |
| China Universal Asset Management Co., Ltd. | 17,484 | $32.2K | 0.00% | +17,484 | New |
| Advisor Group Holdings, Inc. | 19,535 | $35.9K | 0.00% | +8,985+85.2% | Added |
| PEAK6 LLC | 21,306 | $39.2K | 0.00% | +21,306 | New |
| XTX Topco Ltd | 21,809 | $40.1K | 0.00% | −82,391−79.1% | Reduced |
| MetLife Investment Management | 23,390 | $43.0K | 0.00% | −7,508−24.3% | Reduced |
| Vontobel Holding Ltd. | 25,000 | $46.0K | 0.00% | +10,000+66.7% | Added |
| ProShare Advisors LLC | 26,961 | $49.6K | 0.00% | +11,494+74.3% | Added |
| Velan Capital Investment Management LP | 30,000 | $55.2K | 0.05% | +30,000 | New |
| Price T Rowe Associates Inc | 30,199 | $56.0K | 0.00% | +3,944+15.0% | Added |
| Manufacturers Life Insurance Company, The | 30,881 | $56.8K | 0.00% | −1,003−3.1% | Reduced |
| Voya Investment Management LLC | 32,148 | $59.2K | 0.00% | +618+2.0% | Added |
| Sherbrooke Park Advisers LLC | 33,640 | $61.9K | 0.02% | −95,210−73.9% | Reduced |
| Intech Investment Management LLC | 36,168 | $66.5K | 0.00% | +9,832+37.3% | Added |
| Invesco Ltd. | 38,749 | $71.3K | 0.00% | +13,620+54.2% | Added |
| SG Americas Securities, LLC | 40,432 | $74.0K | 0.00% | +5,770+16.6% | Added |
| Corebridge Financial, Inc. | 40,698 | $74.9K | 0.00% | −3,073−7.0% | Reduced |
| Exchange Traded Concepts, LLC | 45,260 | $83.3K | 0.00% | 00.0% | Unchanged |
| Mirae Asset Global ETFs Holdings Ltd. | 46,886 | $86.3K | 0.00% | +2,060+4.6% | Added |
| Baillie Gifford & Co | 48,791 | $89.8K | 0.00% | −1,470,550−96.8% | Reduced |
| Wells Fargo & Company | 52,738 | $97.0K | 0.00% | +10,466+24.8% | Added |
| SEI Investments Co | 56,347 | $103.7K | 0.00% | +56,347 | New |
| HSBC Holdings PLC | 63,554 | $116.0K | 0.00% | −18,111−22.2% | Reduced |
| Citigroup Inc | 63,924 | $117.6K | 0.00% | +2,784+4.6% | Added |
| JPMorgan Chase & Co | 64,045 | $117.8K | 0.00% | +5,109+8.7% | Added |
| Alps Advisors Inc | 66,646 | $122.6K | 0.00% | +1,585+2.4% | Added |
| Standard Life Aberdeen plc | 69,389 | $127.7K | 0.00% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 73,469 | $135.2K | 0.00% | −8,922−10.8% | Reduced |
| Aristides Capital LLC | 79,400 | $146.1K | 0.05% | +79,400 | New |
| Susquehanna Fundamental Investments, LLC | 87,810 | $161.6K | 0.00% | +87,810 | New |
| Franklin Resources Inc | 91,797 | $168.9K | 0.00% | −1,438−1.5% | Reduced |
| American Century Companies Inc | 93,033 | $171.2K | 0.00% | +20,958+29.1% | Added |
| Omers Administration Corp | 95,150 | $175.1K | 0.00% | −95,150−50.0% | Reduced |
| Alliancebernstein L.P. | 96,370 | $177.3K | 0.00% | 00.0% | Unchanged |
| Public Employees Retirement System of Ohio | 96,657 | $177.8K | 0.00% | 00.0% | Unchanged |
| Thrivent Financial for Lutherans | 97,096 | $178.0K | 0.00% | +97,096 | New |
| Russell Investments Group, Ltd. | 99,445 | $183.0K | 0.00% | −51,776−34.2% | Reduced |
| Bank of America Corp | 106,258 | $195.5K | 0.00% | −22,894−17.7% | Reduced |
| AQR Capital Management LLC | 114,587 | $210.8K | 0.00% | −210,951−64.8% | Reduced |
| Rhumbline Advisers | 126,698 | $233.1K | 0.00% | +7,320+6.1% | Added |
| Man Group plc | 132,406 | $243.6K | 0.00% | −31,522−19.2% | Reduced |
| Panagora Asset Management Inc | 142,186 | $261.6K | 0.00% | −102,623−41.9% | Reduced |
| BNP Paribas Arbitrage, SA | 150,758 | $277.4K | 0.00% | +68,234+82.7% | Added |
| STRS Ohio | 152,800 | $281.2K | 0.00% | 00.0% | Unchanged |
| D. E. Shaw & Co., Inc. | 157,683 | $290.1K | 0.00% | −9,962−5.9% | Reduced |
| Barclays PLC | 158,814 | $292.2K | 0.00% | −114,205−41.8% | Reduced |
| AJU IB Investment Co., Ltd. | 175,000 | $322.0K | 0.31% | +175,000 | New |
| Ameriprise Financial Inc | 180,401 | $331.9K | 0.00% | −1,825−1.0% | Reduced |
| UBS Group AG | 183,661 | $337.9K | 0.00% | +17,802+10.7% | Added |
| Bridgeway Capital Management, LLC | 189,700 | $349.0K | 0.01% | +90,500+91.2% | Added |
| Schonfeld Strategic Advisors LLC | 196,800 | $362.1K | 0.00% | −86,800−30.6% | Reduced |
| Shay Capital LLC | 203,601 | $374.6K | 0.09% | +203,601 | New |
| Bank of New York Mellon Corp | 217,627 | $400.4K | 0.00% | +2,578+1.2% | Added |
| Charles Schwab Investment Management Inc | 251,995 | $463.7K | 0.00% | 00.0% | Unchanged |
| Fisher Asset Management, LLC | 271,337 | $499.3K | 0.00% | 00.0% | Unchanged |
| FMR LLC | 277,892 | $511.3K | 0.00% | +88,851+47.0% | Added |
| UBS Oconnor LLC | 300,621 | $553.1K | 0.01% | −37,601−11.1% | Reduced |
| Two Sigma Investments, LP | 316,292 | $582.0K | 0.00% | −175,473−35.7% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 326,317 | $600.4K | 0.00% | −110,734−25.3% | Reduced |
| LPL Financial LLC | 362,232 | $666.5K | 0.00% | +92,333+34.2% | Added |
| Millennium Management LLC | 405,618 | $746.3K | 0.00% | −1,626,127−80.0% | Reduced |
| DAFNA Capital Management LLC | 437,079 | $804.2K | 0.20% | +107,500+32.6% | Added |
| Prudential Financial Inc | 547,510 | $1.01M | 0.00% | +426,100+351.0% | Added |
| Two Sigma Advisers, LP | 547,800 | $1.01M | 0.00% | −43,100−7.3% | Reduced |