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 2021
Institutional positions in Sutro Biopharma, Inc. as of Dec 31, 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
- 117
- −3 vs. Q3 2021
- Shares held
- 39.9M
- +27.5K (+0.1%) vs. Q3 2021
- Total value
- $593.2M
- −$159.4M (−21.2%) vs. Q3 2021
- New holders
- 14
- 44 more added
- Sold out
- 17
- 39 more reduced
Compare with Q3 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, Q4 2021
Shares, value and share of portfolio for each institution holding Sutro Biopharma, Inc.; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| CWM, LLC | 24 | $0 | 0.00% | +24 | New |
| Group One Trading, L.P. | 38 | $1.00K | 0.00% | −3,072−98.8% | Reduced |
| Bellevue Asset Management, LLC | 83 | $1.00K | 0.00% | −5−5.7% | Reduced |
| Captrust Financial Advisors | 58 | $1.00K | 0.00% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 158 | $2.00K | 0.00% | 00.0% | Unchanged |
| US Bancorp | 207 | $3.00K | 0.00% | −627−75.2% | Reduced |
| Total Clarity Wealth Management, Inc. | 200 | $3.00K | 0.00% | 00.0% | Unchanged |
| Washington Trust Advisors, Inc. | 179 | $3.00K | 0.00% | +179 | New |
| Parallel Advisors, LLC | 465 | $7.00K | 0.00% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 914 | $14.0K | 0.00% | −1,160−55.9% | Reduced |
| FourThought Financial, LLC | 1,759 | $26.0K | 0.00% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 2,488 | $37.0K | 0.00% | −253−9.2% | Reduced |
| Cutler Group LP | 2,560 | $38.0K | 0.00% | 00.0% | Unchanged |
| Jefferies Group LLC | 3,400 | $50.6K | 0.00% | +3,400 | New |
| Ameritas Investment Partners, Inc. | 3,400 | $51.0K | 0.00% | 00.0% | Unchanged |
| Quantbot Technologies LP | 4,100 | $61.0K | 0.00% | −700−14.6% | Reduced |
| HighMark Wealth Management LLC | 4,575 | $68.0K | 0.04% | −1,033−18.4% | Reduced |
| Tower Research Capital LLC (TRC) | 5,443 | $81.0K | 0.00% | +2,428+80.5% | Added |
| First Quadrant L P | 6,100 | $91.0K | 0.01% | +100+1.7% | Added |
| American Portfolios Advisors | 8,025 | $119.4K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 8,920 | $132.0K | 0.00% | +7,591+571.2% | Added |
| Metropolitan Life Insurance Co | 9,833 | $146.3K | 0.00% | −2,877−22.6% | Reduced |
| Qube Research & Technologies Ltd | 10,092 | $150.0K | 0.00% | +10,092 | New |
| Manchester Capital Management LLC | 10,561 | $157.0K | 0.02% | 00.0% | Unchanged |
| Legal & General Group Plc | 11,270 | $167.0K | 0.00% | 00.0% | Unchanged |
| Virtus ETF Advisers LLC | 11,305 | $168.0K | 0.06% | +238+2.2% | Added |
| State Board of Administration of Florida Retirement System | 11,923 | $177.0K | 0.00% | +767+6.9% | Added |
| SG Americas Securities, LLC | 12,446 | $185.0K | 0.00% | −16,716−57.3% | Reduced |
| Trexquant Investment LP | 14,041 | $209.0K | 0.01% | +14,041 | New |
| ProShare Advisors LLC | 15,990 | $238.0K | 0.00% | +576+3.7% | Added |
| Ergoteles LLC | 16,015 | $238.0K | 0.01% | +16,015 | New |
| MetLife Investment Management | 16,423 | $244.4K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 17,011 | $253.1K | 0.00% | +6,497+61.8% | Added |
| Voya Investment Management LLC | 17,110 | $255.0K | 0.00% | +128+0.8% | Added |
| Russell Investments Group, Ltd. | 17,369 | $258.0K | 0.00% | 00.0% | Unchanged |
| Susquehanna Fundamental Investments, LLC | 17,988 | $268.0K | 0.01% | −19,247−51.7% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 21,894 | $326.0K | 0.00% | −16,513−43.0% | Reduced |
| Manufacturers Life Insurance Company, The | 22,872 | $340.0K | 0.00% | −132−0.6% | Reduced |
| American International Group, Inc. | 23,042 | $343.0K | 0.00% | −690−2.9% | Reduced |
| Parametric Portfolio Associates LLC | 23,208 | $345.0K | 0.00% | +12,384+114.4% | Added |
| Credit Suisse AG | 28,312 | $421.0K | 0.00% | +7,377+35.2% | Added |
| Algert Global LLC | 30,262 | $450.0K | 0.06% | −3,890−11.4% | Reduced |
| D. E. Shaw & Co., Inc. | 30,664 | $456.0K | 0.00% | −6,723−18.0% | Reduced |
| Martingale Asset Management L P | 30,617 | $457.0K | 0.01% | +30,617 | New |
| New York State Common Retirement Fund | 31,278 | $465.0K | 0.00% | −75−0.2% | Reduced |
| Allspring Global Investments Holdings, LLC | 34,902 | $519.0K | 0.00% | +34,902 | New |
| Connective Portfolio Management, LLC | 35,000 | $527.0K | 0.93% | +35,000 | New |
| Principal Financial Group Inc | 37,769 | $562.0K | 0.00% | −28,173−42.7% | Reduced |
| Susquehanna International Group, LLP | 37,758 | $562.0K | 0.00% | +8,376+28.5% | Added |
| Squarepoint Ops LLC | 37,800 | $562.0K | 0.00% | +26,572+236.7% | Added |
| HRT Financial LP | 39,377 | $585.0K | 0.00% | +39,377 | New |
| Los Angeles Capital Management LLC | 41,004 | $610.0K | 0.00% | 00.0% | Unchanged |
| DAFNA Capital Management LLC | 45,000 | $670.0K | 0.17% | −40,000−47.1% | Reduced |
| ExodusPoint Capital Management, LP | 48,013 | $714.0K | 0.01% | +22,754+90.1% | Added |
| Renaissance Technologies LLC | 48,700 | $725.0K | 0.00% | +48,700 | New |
| California State Teachers Retirement System | 50,877 | $757.0K | 0.00% | +1,078+2.2% | Added |
| Allianz Asset Management GmbH | 51,511 | $768.0K | 0.00% | −26,960−34.4% | Reduced |
| Wells Fargo & Company | 52,217 | $777.0K | 0.00% | −60,603−53.7% | Reduced |
| Rhumbline Advisers | 55,973 | $833.0K | 0.00% | +737+1.3% | Added |
| State of Wisconsin Investment Board | 56,130 | $835.0K | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 56,156 | $836.0K | 0.00% | −563−1.0% | Reduced |
| Deutsche Bank AG | 57,150 | $850.0K | 0.00% | +1,396+2.5% | Added |
| Morgan Stanley | 63,497 | $946.0K | 0.00% | +37,354+142.9% | Added |
| Swiss National Bank | 70,800 | $1.05M | 0.00% | 00.0% | Unchanged |
| Gsa Capital Partners LLP | 71,412 | $1.06M | 0.13% | +71,412 | New |
| Citigroup Inc | 72,942 | $1.08M | 0.00% | +30,437+71.6% | Added |
| Walleye Capital LLC | 75,412 | $1.12M | 0.04% | +75,412 | New |
| Rafferty Asset Management, LLC | 81,129 | $1.21M | 0.01% | +25,420+45.6% | Added |
| Two Sigma Advisers, LP | 94,300 | $1.40M | 0.00% | −60,000−38.9% | Reduced |
| Hudson Bay Capital Management LP | 101,500 | $1.51M | 0.02% | +51,500+103.0% | Added |
| Charles Schwab Investment Management Inc | 109,549 | $1.63M | 0.00% | +1,676+1.6% | Added |
| Endurant Capital Management LP | 111,803 | $1.66M | 0.45% | +111,803 | New |
| Two Sigma Investments, LP | 113,083 | $1.68M | 0.00% | −114,398−50.3% | Reduced |
| Bank of America Corp | 116,430 | $1.73M | 0.00% | +80,217+221.5% | Added |
| Kennedy Capital Management, Inc. | 127,925 | $1.90M | 0.04% | −3,867−2.9% | Reduced |
| International Biotechnology Trust PLC | 139,331 | $2.07M | 0.46% | 00.0% | Unchanged |
| Acadian Asset Management LLC | 143,718 | $2.14M | 0.01% | −38,570−21.2% | Reduced |
| Neuberger Berman Group LLC | 146,745 | $2.14M | 0.00% | −74,173−33.6% | Reduced |
| Panagora Asset Management Inc | 145,351 | $2.16M | 0.01% | −8,782−5.7% | Reduced |
| Millennium Management LLC | 145,635 | $2.17M | 0.00% | −68,948−32.1% | Reduced |
| Bank of New York Mellon Corp | 149,615 | $2.23M | 0.00% | −17,264−10.3% | Reduced |
| Adage Capital Partners GP, L.L.C. | 160,000 | $2.38M | 0.00% | −115,000−41.8% | Reduced |
| Invesco Ltd. | 166,222 | $2.47M | 0.00% | −179,015−51.9% | Reduced |
| Victory Capital Management Inc | 173,957 | $2.59M | 0.00% | +36,876+26.9% | Added |
| AJU IB Investment Co., Ltd. | 175,000 | $2.60M | 3.63% | 00.0% | Unchanged |
| Nuveen Asset Management, LLC | 182,200 | $2.71M | 0.00% | −176,061−49.1% | Reduced |
| Verition Fund Management LLC | 184,765 | $2.75M | 0.03% | +21,758+13.3% | Added |
| Alliancebernstein L.P. | 215,566 | $3.21M | 0.00% | +10,889+5.3% | Added |
| Janus Henderson Group PLC | 220,045 | $3.28M | 0.00% | +3,232+1.5% | Added |
| Parkman Healthcare Partners LLC | 221,219 | $3.29M | 0.74% | +57,830+35.4% | Added |
| Nomura Holdings Inc | 221,434 | $3.30M | 0.02% | −304−0.1% | Reduced |
| Pentwater Capital Management LP | 230,000 | $3.42M | 0.05% | +20,000+9.5% | Added |
| Sphera Funds Management Ltd. | 281,702 | $4.19M | 0.50% | −13,123−4.5% | Reduced |
| Tekla Capital Management LLC | 327,850 | $4.88M | 0.16% | −72,297−18.1% | Reduced |
| Barclays PLC | 354,387 | $5.27M | 0.00% | +23,763+7.2% | Added |
| Dimensional Fund Advisors LP | 360,765 | $5.37M | 0.00% | +109,684+43.7% | Added |
| Goldman Sachs Group Inc | 362,553 | $5.39M | 0.00% | +36,396+11.2% | Added |
| Lombard Odier Asset Management (Switzerland) SA | 528,442 | $7.86M | 0.50% | +44,679+9.2% | Added |
| Northern Trust Corp | 545,224 | $8.11M | 0.00% | +9,200+1.7% | Added |
| Citadel Advisors LLC | 596,770 | $8.88M | 0.01% | −72,873−10.9% | Reduced |