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 2022
Institutional positions in Sutro Biopharma, Inc. as of Dec 31, 2022. 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
- 119
- +9 vs. Q3 2022
- Shares held
- 50.0M
- −225.9K (−0.5%) vs. Q3 2022
- Total value
- $403.7M
- +$125.1M (+44.9%) vs. Q3 2022
- New holders
- 18
- 57 more added
- Sold out
- 9
- 29 more reduced
3 institutions that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2022: 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 2022
Shares, value and share of portfolio for each institution holding Sutro Biopharma, Inc.; share changes are against Q3 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Rockefeller Capital Management L.P. | 93 | $0 | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 33 | $0 | 0.00% | +33 | New |
| Credit Suisse AG | 2 | $16 | 0.00% | −275−99.3% | Reduced |
| Allworth Financial LP | 41 | $331 | 0.00% | +41 | New |
| Daiwa Securities Group Inc. | 158 | $1.00K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 80 | $1.00K | 0.00% | +80 | New |
| Washington Trust Advisors, Inc. | 179 | $1.45K | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 465 | $3.76K | 0.00% | 00.0% | Unchanged |
| China Universal Asset Management Co., Ltd. | 583 | $4.71K | 0.00% | +95+19.5% | Added |
| Tower Research Capital LLC (TRC) | 1,343 | $11.0K | 0.00% | −1,907−58.7% | Reduced |
| Quadrant Capital Group LLC | 1,976 | $16.0K | 0.00% | 00.0% | Unchanged |
| HighMark Wealth Management LLC | 2,675 | $21.6K | 0.02% | −1,300−32.7% | Reduced |
| Metropolitan Life Insurance Co | 2,981 | $24.1K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 3,400 | $25.6K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 5,146 | $41.6K | 0.00% | +551+12.0% | Added |
| Wells Fargo & Company | 5,690 | $46.0K | 0.00% | +4,372+331.7% | Added |
| Federated Hermes, Inc. | 6,433 | $52.0K | 0.00% | +3,315+106.3% | Added |
| Amalgamated Bank | 6,521 | $53.0K | 0.00% | +508+8.4% | Added |
| Royal Bank of Canada | 7,451 | $60.0K | 0.00% | +6,855+1,150.2% | Added |
| Advisor Group Holdings, Inc. | 9,500 | $76.8K | 0.00% | +9,500 | New |
| Vontobel Holding Ltd. | 10,000 | $80.8K | 0.00% | +10,000 | New |
| Manchester Capital Management LLC | 10,561 | $85.3K | 0.01% | 00.0% | Unchanged |
| Personal Capital Advisors Corp | 11,202 | $90.5K | 0.00% | 00.0% | Unchanged |
| Prudential Financial Inc | 11,590 | $93.6K | 0.00% | +1,520+15.1% | Added |
| ProShare Advisors LLC | 11,690 | $94.5K | 0.00% | +11,690 | New |
| State Board of Administration of Florida Retirement System | 12,293 | $99.3K | 0.00% | +360+3.0% | Added |
| American Century Companies Inc | 12,823 | $103.6K | 0.00% | +12,823 | New |
| Principal Financial Group Inc | 13,474 | $108.9K | 0.00% | +3,082+29.7% | Added |
| Quantbot Technologies LP | 14,712 | $118.9K | 0.01% | +8,000+119.2% | Added |
| Two Sigma Securities, LLC | 15,567 | $125.8K | 0.02% | +15,567 | New |
| Lazard Asset Management LLC | 15,868 | $128.0K | 0.00% | 00.0% | Unchanged |
| HSBC Holdings PLC | 17,958 | $139.3K | 0.00% | +3,824+27.1% | Added |
| Jane Street Group, LLC | 17,553 | $141.8K | 0.00% | +17,553 | New |
| Balyasny Asset Management LLC | 17,610 | $142.3K | 0.00% | +17,610 | New |
| Walleye Capital LLC | 18,060 | $145.9K | 0.00% | −173,661−90.6% | Reduced |
| SG Americas Securities, LLC | 19,009 | $154.0K | 0.00% | −2,534−11.8% | Reduced |
| Prelude Capital Management, LLC | 19,257 | $155.6K | 0.01% | +19,257 | New |
| Mirae Asset Global Investments Co., Ltd. | 19,374 | $156.5K | 0.00% | +153+0.8% | Added |
| Voya Investment Management LLC | 19,958 | $161.3K | 0.00% | 00.0% | Unchanged |
| Bailard, Inc. | 20,300 | $164.0K | 0.01% | +20,300 | New |
| Manufacturers Life Insurance Company, The | 20,667 | $167.0K | 0.00% | +1,864+9.9% | Added |
| California State Teachers Retirement System | 21,521 | $173.9K | 0.00% | +2,210+11.4% | Added |
| Deutsche Bank AG | 22,875 | $184.8K | 0.00% | +5,164+29.2% | Added |
| Engineers Gate Manager LP | 23,278 | $188.1K | 0.01% | +3,488+17.6% | Added |
| American International Group, Inc. | 25,500 | $206.0K | 0.00% | +2,273+9.8% | Added |
| MetLife Investment Management | 28,380 | $229.3K | 0.00% | +4,303+17.9% | Added |
| Delphia (USA) Inc. | 29,456 | $238.0K | 0.27% | +1,357+4.8% | Added |
| Renaissance Technologies LLC | 29,900 | $242.0K | 0.00% | −186,000−86.2% | Reduced |
| Allspring Global Investments Holdings, LLC | 30,679 | $247.9K | 0.00% | +21,398+230.6% | Added |
| New York State Common Retirement Fund | 31,393 | $253.7K | 0.00% | +12,271+64.2% | Added |
| Pura Vida Investments, LLC | 31,409 | $253.8K | 0.04% | +31,409 | New |
| Corton Capital Inc. | 32,058 | $259.0K | 0.21% | +4,472+16.2% | Added |
| BNP Paribas Arbitrage, SA | 32,161 | $259.9K | 0.00% | −7,990−19.9% | Reduced |
| Cornercap Investment Counsel Inc | 35,761 | $288.9K | 0.05% | +1,096+3.2% | Added |
| Jump Financial, LLC | 42,600 | $344.2K | 0.02% | −3,300−7.2% | Reduced |
| Citigroup Inc | 43,694 | $353.0K | 0.00% | +42,398+3,271.5% | Added |
| Gsa Capital Partners LLP | 44,032 | $356.0K | 0.04% | −121,512−73.4% | Reduced |
| Alliancebernstein L.P. | 51,400 | $415.3K | 0.00% | +3,300+6.9% | Added |
| Public Employees Retirement System of Ohio | 61,778 | $499.0K | 0.00% | −14,022−18.5% | Reduced |
| Invesco Ltd. | 62,740 | $506.9K | 0.00% | +3,438+5.8% | Added |
| Los Angeles Capital Management LLC | 63,124 | $510.0K | 0.00% | −5,560−8.1% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 65,227 | $527.0K | 0.00% | +5,856+9.9% | Added |
| New York Life Investment Management LLC | 69,012 | $557.6K | 0.01% | +7,783+12.7% | Added |
| UBS Group AG | 72,663 | $587.1K | 0.00% | +71,588+6,659.3% | Added |
| Susquehanna Fundamental Investments, LLC | 77,064 | $622.7K | 0.01% | +77,064 | New |
| Caxton Associates LP | 77,244 | $624.1K | 0.05% | 00.0% | Unchanged |
| Rhumbline Advisers | 77,771 | $628.0K | 0.00% | +6,787+9.6% | Added |
| Barclays PLC | 81,899 | $661.7K | 0.00% | +61,470+300.9% | Added |
| Ameriprise Financial Inc | 82,161 | $664.0K | 0.00% | −390−0.5% | Reduced |
| Cubist Systematic Strategies, LLC | 85,390 | $690.0K | 0.01% | −257,994−75.1% | Reduced |
| Rafferty Asset Management, LLC | 98,637 | $797.0K | 0.01% | +98,637 | New |
| XTX Topco Ltd | 101,369 | $819.1K | 0.17% | +43,745+75.9% | Added |
| Russell Investments Group, Ltd. | 108,963 | $880.4K | 0.00% | −292−0.3% | Reduced |
| State of Wisconsin Investment Board | 110,900 | $896.1K | 0.00% | −15,858−12.5% | Reduced |
| Caas Capital Management LP | 115,981 | $937.1K | 0.18% | +115,981 | New |
| Citadel Advisors LLC | 120,002 | $969.6K | 0.00% | −182,090−60.3% | Reduced |
| Charles Schwab Investment Management Inc | 144,147 | $1.16M | 0.00% | +12,942+9.9% | Added |
| Bank of America Corp | 145,590 | $1.18M | 0.00% | +101,878+233.1% | Added |
| Tekla Capital Management LLC | 147,531 | $1.19M | 0.05% | −16,393−10.0% | Reduced |
| Trexquant Investment LP | 154,206 | $1.25M | 0.04% | +96,337+166.5% | Added |
| JPMorgan Chase & Co | 187,778 | $1.52M | 0.00% | +32,201+20.7% | Added |
| AQR Capital Management LLC | 198,106 | $1.60M | 0.00% | +6,030+3.1% | Added |
| Norges Bank | 206,200 | $1.67M | 0.00% | +206,200 | New |
| Nuveen Asset Management, LLC | 208,130 | $1.68M | 0.00% | −22,474−9.7% | Reduced |
| Man Group plc | 216,444 | $1.75M | 0.01% | +49,262+29.5% | Added |
| Pentwater Capital Management LP | 225,000 | $1.82M | 0.06% | −135,000−37.5% | Reduced |
| Morgan Stanley | 227,927 | $1.84M | 0.00% | −103,646−31.3% | Reduced |
| Two Sigma Investments, LP | 237,895 | $1.92M | 0.01% | +60,806+34.3% | Added |
| Bank of New York Mellon Corp | 238,705 | $1.93M | 0.00% | +82,832+53.1% | Added |
| D. E. Shaw & Co., Inc. | 275,591 | $2.23M | 0.00% | −39,423−12.5% | Reduced |
| Endurant Capital Management LP | 281,895 | $2.28M | 0.92% | +15,216+5.7% | Added |
| Schonfeld Strategic Advisors LLC | 283,800 | $2.29M | 0.02% | +236,000+493.7% | Added |
| Panagora Asset Management Inc | 312,981 | $2.53M | 0.02% | +58,638+23.1% | Added |
| Two Sigma Advisers, LP | 383,100 | $3.10M | 0.01% | +35,600+10.2% | Added |
| Kynam Capital Management, LP | 404,544 | $3.27M | 0.50% | +404,544 | New |
| Northern Trust Corp | 460,563 | $3.72M | 0.00% | +53,791+13.2% | Added |
| Marshall Wace, LLP | 559,915 | $4.52M | 0.01% | +36,294+6.9% | Added |
| Acadian Asset Management LLC | 561,828 | $4.54M | 0.02% | −69,972−11.1% | Reduced |
| FMR LLC | 624,334 | $5.04M | 0.00% | −122,121−16.4% | Reduced |
| Dimensional Fund Advisors LP | 667,543 | $5.39M | 0.00% | +210,960+46.2% | Added |