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 | $358.9M |
| 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, 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 |
|---|---|---|---|---|---|
| BlackRock Inc. | 3,626,799 | $67.4M | 0.00% | +524,826+16.9% | Added |
| Franklin Resources Inc | 2,848,479 | $53.0M | 0.02% | +201,675+7.6% | Added |
| Eventide Asset Management, LLC | 2,370,975 | $44.1M | 0.59% | 00.0% | Unchanged |
| State Street Corp | 2,233,692 | $41.5M | 0.00% | −280,472−11.2% | Reduced |
| First Light Asset Management, LLC | 2,072,875 | $38.5M | 2.31% | +14,428+0.7% | Added |
| Vanguard Group Inc | 2,063,195 | $38.4M | 0.00% | +23,206+1.1% | Added |
| SV Health Investors, LLC | 1,824,542 | $33.9M | 14.77% | 00.0% | Unchanged |
| Baillie Gifford & Co | 1,794,173 | $33.4M | 0.02% | +98,519+5.8% | Added |
| Suvretta Capital Management, LLC | 1,715,381 | $31.9M | 0.48% | +430,405+33.5% | Added |
| Samsara BioCapital, LLC | 1,675,579 | $31.1M | 4.09% | 00.0% | Unchanged |
| Holocene Advisors, LP | 1,596,882 | $29.7M | 0.18% | +173,677+12.2% | Added |
| Loomis Sayles & Co L P | 1,328,014 | $24.7M | 0.03% | −26,979−2.0% | Reduced |
| Point72 Asset Management, L.P. | 1,136,600 | $21.1M | 0.11% | +178,400+18.6% | Added |
| Frazier Management LLC | 1,001,421 | $18.6M | 1.72% | 00.0% | Unchanged |
| BVF Inc | 826,825 | $15.4M | 0.58% | 00.0% | Unchanged |
| Citadel Advisors LLC | 759,994 | $14.1M | 0.01% | −216,626−22.2% | Reduced |
| FMR LLC | 737,300 | $13.7M | 0.00% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 677,706 | $12.6M | 0.00% | +111,057+19.6% | Added |
| FIL Ltd | 677,416 | $12.6M | 0.01% | −94,374−12.2% | Reduced |
| Northern Trust Corp | 554,399 | $10.3M | 0.00% | +210,078+61.0% | Added |
| Opaleye Management Inc. | 496,900 | $9.24M | 1.53% | +154,950+45.3% | Added |
| Millennium Management LLC | 478,120 | $8.89M | 0.01% | −78,679−14.1% | Reduced |
| OrbiMed Advisors LLC | 433,700 | $8.06M | 0.08% | +83,700+23.9% | Added |
| Lombard Odier Asset Management (Switzerland) SA | 427,839 | $7.95M | 0.40% | +137,421+47.3% | Added |
| Nuveen Asset Management, LLC | 406,195 | $7.55M | 0.00% | +20,967+5.4% | Added |
| Tekla Capital Management LLC | 400,147 | $7.44M | 0.24% | −173,676−30.3% | Reduced |
| Candriam Luxembourg S.C.A. | 366,207 | $6.81M | 0.05% | −1,903−0.5% | Reduced |
| Dimensional Fund Advisors LP | 338,187 | $6.29M | 0.00% | −23,990−6.6% | Reduced |
| Invesco Ltd. | 336,290 | $6.25M | 0.00% | +43,257+14.8% | Added |
| Adage Capital Partners GP, L.L.C. | 325,000 | $6.04M | 0.01% | −125,300−27.8% | Reduced |
| Sphera Funds Management Ltd. | 294,825 | $5.48M | 0.50% | 00.0% | Unchanged |
| Barclays PLC | 238,994 | $4.44M | 0.00% | −21,129−8.1% | Reduced |
| Acadian Asset Management LLC | 222,469 | $4.13M | 0.02% | −14,924−6.3% | Reduced |
| Woodline Partners LP | 219,511 | $4.08M | 0.08% | +3,537+1.6% | Added |
| Neuberger Berman Group LLC | 214,883 | $3.99M | 0.00% | +2,674+1.3% | Added |
| Pentwater Capital Management LP | 210,000 | $3.90M | 0.04% | +25,499+13.8% | Added |
| Two Sigma Investments, LP | 204,044 | $3.79M | 0.01% | +85,534+72.2% | Added |
| Janus Henderson Group PLC | 194,820 | $3.63M | 0.00% | +32,348+19.9% | Added |
| Morgan Stanley | 193,178 | $3.59M | 0.00% | −579,928−75.0% | Reduced |
| AJU IB Investment Co., Ltd. | 175,000 | $3.25M | 1.88% | 00.0% | Unchanged |
| Parkman Healthcare Partners LLC | 163,389 | $3.04M | 0.66% | −39,307−19.4% | Reduced |
| Bank of New York Mellon Corp | 153,596 | $2.86M | 0.00% | +52,198+51.5% | Added |
| Panagora Asset Management Inc | 151,520 | $2.82M | 0.02% | +84,255+125.3% | Added |
| Wells Fargo & Company | 140,169 | $2.61M | 0.00% | −3,566−2.5% | Reduced |
| International Biotechnology Trust PLC | 139,331 | $2.59M | 0.68% | 00.0% | Unchanged |
| Victory Capital Management Inc | 138,314 | $2.57M | 0.00% | −7,960−5.4% | Reduced |
| Citigroup Inc | 137,601 | $2.56M | 0.00% | −31,993−18.9% | Reduced |
| Ikarian Capital, LLC | 135,360 | $2.52M | 0.45% | 00.0% | Unchanged |
| Kennedy Capital Management, Inc. | 132,174 | $2.46M | 0.05% | −9,116−6.5% | Reduced |
| Marshall Wace, LLP | 114,895 | $2.14M | 0.01% | −205,549−64.1% | Reduced |
| Alliancebernstein L.P. | 110,357 | $2.05M | 0.00% | +21,533+24.2% | Added |
| Verition Fund Management LLC | 104,320 | $1.94M | 0.03% | −367,012−77.9% | Reduced |
| Charles Schwab Investment Management Inc | 103,998 | $1.93M | 0.00% | +22,600+27.8% | Added |
| Two Sigma Advisers, LP | 92,000 | $1.71M | 0.00% | +32,200+53.8% | Added |
| Rafferty Asset Management, LLC | 88,169 | $1.64M | 0.01% | −49,134−35.8% | Reduced |
| DAFNA Capital Management LLC | 85,000 | $1.58M | 0.33% | 00.0% | Unchanged |
| Driehaus Capital Management LLC | 79,700 | $1.48M | 0.02% | −139,100−63.6% | Reduced |
| J. Goldman & Co LP | 71,440 | $1.33M | 0.08% | +22,524+46.0% | Added |
| Swiss National Bank | 70,800 | $1.32M | 0.00% | +70,800 | New |
| Principal Financial Group Inc | 67,809 | $1.26M | 0.00% | +67,809 | New |
| JPMorgan Chase & Co | 63,148 | $1.17M | 0.00% | +4,061+6.9% | Added |
| Balyasny Asset Management LLC | 61,432 | $1.14M | 0.01% | +61,432 | New |
| California State Teachers Retirement System | 59,794 | $1.11M | 0.00% | +10,770+22.0% | Added |
| Deutsche Bank AG | 56,554 | $1.05M | 0.00% | −60,253−51.6% | Reduced |
| State of Wisconsin Investment Board | 56,130 | $1.04M | 0.00% | +19,700+54.1% | Added |
| Rhumbline Advisers | 53,211 | $989.0K | 0.00% | +23,960+81.9% | Added |
| Goldman Sachs Group Inc | 52,006 | $967.0K | 0.00% | −21,387−29.1% | Reduced |
| Susquehanna Fundamental Investments, LLC | 48,186 | $896.0K | 0.02% | −2,763−5.4% | Reduced |
| Marshall Wace North America L.P. | 43,759 | $814.0K | 0.00% | −133,584−75.3% | Reduced |
| Los Angeles Capital Management LLC | 43,754 | $813.0K | 0.00% | +43,754 | New |
| Susquehanna International Group, LLP | 43,122 | $802.0K | 0.00% | −23,453−35.2% | Reduced |
| Allianz Asset Management GmbH | 40,515 | $753.0K | 0.00% | +40,515 | New |
| New York State Common Retirement Fund | 37,467 | $697.0K | 0.00% | +13,967+59.4% | Added |
| Bank of America Corp | 34,941 | $649.0K | 0.00% | +11,005+46.0% | Added |
| Squarepoint Ops LLC | 34,877 | $648.0K | 0.00% | +34,877 | New |
| Boothbay Fund Management, LLC | 29,177 | $542.0K | 0.02% | +7,485+34.5% | Added |
| D. E. Shaw & Co., Inc. | 28,977 | $539.0K | 0.00% | −13,629−32.0% | Reduced |
| Cubist Systematic Strategies, LLC | 28,500 | $530.0K | 0.01% | −10,660−27.2% | Reduced |
| AlphaCentric Advisors LLC | 27,000 | $502.0K | 0.14% | +23,000+575.0% | Added |
| Hudson Bay Capital Management LP | 25,000 | $465.0K | 0.01% | +25,000 | New |
| Manufacturers Life Insurance Company, The | 24,887 | $463.0K | 0.00% | +6,054+32.1% | Added |
| American International Group, Inc. | 24,296 | $452.0K | 0.00% | +5,353+28.3% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 23,720 | $441.0K | 0.00% | +9,258+64.0% | Added |
| Algert Global LLC | 22,550 | $419.0K | 0.14% | −23,240−50.8% | Reduced |
| ProShare Advisors LLC | 19,522 | $363.0K | 0.00% | +4,611+30.9% | Added |
| Credit Suisse AG | 19,287 | $358.0K | 0.00% | +19,287 | New |
| Russell Investments Group, Ltd. | 17,369 | $322.0K | 0.00% | −38,165−68.7% | Reduced |
| Voya Investment Management LLC | 16,982 | $316.0K | 0.00% | +3,367+24.7% | Added |
| MetLife Investment Management | 16,423 | $305.3K | 0.00% | +3,340+25.5% | Added |
| Dynamic Technology Lab Private Ltd | 15,548 | $289.0K | 0.03% | +15,548 | New |
| Qube Research & Technologies Ltd | 15,339 | $285.0K | 0.00% | +3,892+34.0% | Added |
| Engineers Gate Manager LP | 14,500 | $270.0K | 0.02% | +14,500 | New |
| Blueshift Asset Management, LLC | 13,189 | $245.0K | 0.01% | +13,189 | New |
| Nomura Holdings Inc | 12,500 | $233.0K | 0.00% | 00.0% | Unchanged |
| Parametric Portfolio Associates LLC | 12,228 | $227.0K | 0.00% | −4,112−25.2% | Reduced |
| Metropolitan Life Insurance Co | 12,031 | $223.7K | 0.00% | +3,393+39.3% | Added |
| Virtus ETF Advisers LLC | 11,644 | $216.0K | 0.09% | −2,168−15.7% | Reduced |
| State Board of Administration of Florida Retirement System | 11,156 | $207.0K | 0.00% | +2,366+26.9% | Added |
| Winton Group Ltd | 10,653 | $198.0K | 0.01% | −223−2.1% | Reduced |
| Manchester Capital Management LLC | 10,561 | $196.0K | 0.03% | 00.0% | Unchanged |