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, Q1 2022
Institutional positions in Sutro Biopharma, Inc. as of Mar 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
- 114
- −3 vs. Q4 2021
- Shares held
- 41.6M
- +1.78M (+4.5%) vs. Q4 2021
- Total value
- $342.2M
- −$251.0M (−42.3%) vs. Q4 2021
- New holders
- 24
- 40 more added
- Sold out
- 27
- 35 more reduced
Compare with Q4 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, Q1 2022
Shares, value and share of portfolio for each institution holding Sutro Biopharma, Inc.; share changes are against Q4 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Franklin Resources Inc | 3,747,914 | $30.8M | 0.01% | +479,967+14.7% | Added |
| Suvretta Capital Management, LLC | 3,732,400 | $30.7M | 0.94% | +1,294,605+53.1% | Added |
| BlackRock Inc. | 3,728,829 | $30.6M | 0.00% | +28,786+0.8% | Added |
| BVF Inc | 3,447,946 | $28.3M | 1.13% | +2,522,798+272.7% | Added |
| Eventide Asset Management, LLC | 2,708,975 | $22.3M | 0.35% | 00.0% | Unchanged |
| State Street Corp | 2,642,486 | $21.7M | 0.00% | +1,051,649+66.1% | Added |
| Vanguard Group Inc | 2,230,997 | $18.3M | 0.00% | +113,190+5.3% | Added |
| Baillie Gifford & Co | 1,868,501 | $15.4M | 0.01% | +13,251+0.7% | Added |
| Holocene Advisors, LP | 1,831,755 | $15.1M | 0.08% | +248,176+15.7% | Added |
| Frazier Life Sciences Management, L.P. | 1,776,479 | $14.6M | 1.24% | +1,776,479 | New |
| Samsara BioCapital, LLC | 1,675,579 | $13.8M | 3.48% | 00.0% | Unchanged |
| First Light Asset Management, LLC | 1,672,497 | $13.7M | 1.21% | −574,091−25.6% | Reduced |
| Geode Capital Management, LLC | 788,796 | $6.48M | 0.00% | +45,117+6.1% | Added |
| FMR LLC | 737,681 | $6.06M | 0.00% | +381+0.1% | Added |
| Jacobs Levy Equity Management, Inc | 620,480 | $5.10M | 0.03% | +620,480 | New |
| Dimensional Fund Advisors LP | 446,955 | $3.67M | 0.00% | +86,190+23.9% | Added |
| Goldman Sachs Group Inc | 402,381 | $3.31M | 0.00% | +39,828+11.0% | Added |
| Banco Santander, S.A. | 400,000 | $3.29M | 0.04% | +400,000 | New |
| Northern Trust Corp | 391,024 | $3.21M | 0.00% | −154,200−28.3% | Reduced |
| Lombard Odier Asset Management (Switzerland) SA | 391,024 | $3.21M | 0.25% | −137,418−26.0% | Reduced |
| Citadel Advisors LLC | 357,845 | $2.94M | 0.00% | −238,925−40.0% | Reduced |
| Millennium Management LLC | 342,131 | $2.81M | 0.00% | +196,496+134.9% | Added |
| Morgan Stanley | 339,186 | $2.79M | 0.00% | +275,689+434.2% | Added |
| Endurant Capital Management LP | 296,508 | $2.44M | 0.74% | +184,705+165.2% | Added |
| Bank of America Corp | 267,239 | $2.20M | 0.00% | +150,809+129.5% | Added |
| Pentwater Capital Management LP | 250,000 | $2.06M | 0.04% | +20,000+8.7% | Added |
| Acadian Asset Management LLC | 238,157 | $1.96M | 0.01% | +94,439+65.7% | Added |
| Alliancebernstein L.P. | 205,924 | $1.69M | 0.00% | −9,642−4.5% | Reduced |
| Parkman Healthcare Partners LLC | 199,846 | $1.64M | 0.48% | −21,373−9.7% | Reduced |
| Nuveen Asset Management, LLC | 186,132 | $1.48M | 0.00% | +3,932+2.2% | Added |
| AJU IB Investment Co., Ltd. | 175,000 | $1.44M | 2.22% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 170,766 | $1.40M | 0.00% | +114,610+204.1% | Added |
| Rafferty Asset Management, LLC | 164,790 | $1.35M | 0.01% | +83,661+103.1% | Added |
| Tekla Capital Management LLC | 163,924 | $1.35M | 0.05% | −163,926−50.0% | Reduced |
| Two Sigma Investments, LP | 162,912 | $1.34M | 0.00% | +49,829+44.1% | Added |
| Bank of New York Mellon Corp | 150,618 | $1.24M | 0.00% | +1,003+0.7% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 150,000 | $1.23M | 0.00% | +150,000 | New |
| Nomura Holdings Inc | 125,129 | $1.07M | 0.01% | −96,305−43.5% | Reduced |
| Charles Schwab Investment Management Inc | 119,667 | $984.0K | 0.00% | +10,118+9.2% | Added |
| Panagora Asset Management Inc | 119,064 | $979.0K | 0.01% | −26,287−18.1% | Reduced |
| State of Wisconsin Investment Board | 115,230 | $947.0K | 0.00% | +59,100+105.3% | Added |
| Kennedy Capital Management, Inc. | 114,312 | $940.0K | 0.02% | −13,613−10.6% | Reduced |
| UBS Group AG | 110,333 | $907.0K | 0.00% | +110,333 | New |
| Two Sigma Advisers, LP | 106,900 | $879.0K | 0.00% | +12,600+13.4% | Added |
| Opaleye Management Inc. | 89,980 | $740.0K | 0.23% | −590,020−86.8% | Reduced |
| Cubist Systematic Strategies, LLC | 85,570 | $703.0K | 0.01% | +85,570 | New |
| DAFNA Capital Management LLC | 84,700 | $696.0K | 0.18% | +39,700+88.2% | Added |
| PDT Partners, LLC | 80,871 | $665.0K | 0.06% | +80,871 | New |
| Swiss National Bank | 76,600 | $630.0K | 0.00% | +5,800+8.2% | Added |
| Walleye Capital LLC | 63,610 | $523.0K | 0.02% | −11,802−15.7% | Reduced |
| Rhumbline Advisers | 55,176 | $454.0K | 0.00% | −797−1.4% | Reduced |
| Invesco Ltd. | 54,131 | $445.0K | 0.00% | −112,091−67.4% | Reduced |
| Barclays PLC | 53,591 | $441.0K | 0.00% | −300,796−84.9% | Reduced |
| Russell Investments Group, Ltd. | 50,176 | $410.0K | 0.00% | +32,807+188.9% | Added |
| IndexIQ Advisors LLC | 48,931 | $402.0K | 0.01% | +48,931 | New |
| California State Teachers Retirement System | 46,071 | $379.0K | 0.00% | −4,806−9.4% | Reduced |
| Susquehanna International Group, LLP | 42,904 | $353.0K | 0.00% | +5,146+13.6% | Added |
| Man Group plc | 42,501 | $349.0K | 0.00% | +42,501 | New |
| Squarepoint Ops LLC | 41,716 | $343.0K | 0.00% | +3,916+10.4% | Added |
| Los Angeles Capital Management LLC | 41,004 | $337.0K | 0.00% | 00.0% | Unchanged |
| Public Employees Retirement System of Ohio | 40,174 | $330.0K | 0.00% | +40,174 | New |
| Woodline Partners LP | 38,776 | $319.0K | 0.01% | +38,776 | New |
| Wells Fargo & Company | 38,109 | $313.0K | 0.00% | −14,108−27.0% | Reduced |
| Gsa Capital Partners LLP | 35,442 | $291.0K | 0.04% | −35,970−50.4% | Reduced |
| Allianz Asset Management GmbH | 34,135 | $281.0K | 0.00% | −17,376−33.7% | Reduced |
| Jump Financial, LLC | 32,800 | $270.0K | 0.01% | +32,800 | New |
| Allspring Global Investments Holdings, LLC | 31,320 | $257.0K | 0.00% | −3,582−10.3% | Reduced |
| New York State Common Retirement Fund | 31,278 | $257.0K | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 28,671 | $236.0K | 0.00% | −44,271−60.7% | Reduced |
| Credit Suisse AG | 27,173 | $223.0K | 0.00% | −1,139−4.0% | Reduced |
| Nisa Investment Advisors, LLC | 26,800 | $220.0K | 0.00% | +26,800 | New |
| Principal Financial Group Inc | 26,632 | $219.0K | 0.00% | −11,137−29.5% | Reduced |
| BNP Paribas Arbitrage, SA | 26,475 | $217.6K | 0.00% | +9,464+55.6% | Added |
| Victory Capital Management Inc | 35,335 | $212.0K | 0.00% | −138,622−79.7% | Reduced |
| Ergoteles LLC | 25,738 | $212.0K | 0.01% | +9,723+60.7% | Added |
| MetLife Investment Management | 25,503 | $209.6K | 0.00% | +9,080+55.3% | Added |
| Deutsche Bank AG | 23,793 | $195.0K | 0.00% | −33,357−58.4% | Reduced |
| AQR Capital Management LLC | 23,176 | $191.0K | 0.00% | +23,176 | New |
| Algert Global LLC | 22,189 | $182.0K | 0.01% | −8,073−26.7% | Reduced |
| American International Group, Inc. | 21,527 | $177.0K | 0.00% | −1,515−6.6% | Reduced |
| UBS Asset Management Americas Inc | 20,100 | $165.2K | 0.00% | +20,100 | New |
| Manufacturers Life Insurance Company, The | 18,772 | $154.3K | 0.00% | −4,100−17.9% | Reduced |
| Voya Investment Management LLC | 17,110 | $141.0K | 0.00% | 00.0% | Unchanged |
| Engineers Gate Manager LP | 13,800 | $113.0K | 0.00% | +13,800 | New |
| ProShare Advisors LLC | 12,929 | $105.0K | 0.00% | −3,061−19.1% | Reduced |
| State Board of Administration of Florida Retirement System | 11,923 | $98.0K | 0.00% | 00.0% | Unchanged |
| Parametric Portfolio Associates LLC | 11,455 | $94.0K | 0.00% | −11,753−50.6% | Reduced |
| Legal & General Group Plc | 11,270 | $92.0K | 0.00% | 00.0% | Unchanged |
| Virtus ETF Advisers LLC | 10,670 | $88.0K | 0.04% | −635−5.6% | Reduced |
| Manchester Capital Management LLC | 10,561 | $87.0K | 0.01% | 00.0% | Unchanged |
| American Portfolios Advisors | 9,100 | $74.8K | 0.00% | +1,075+13.4% | Added |
| Quantbot Technologies LP | 8,900 | $73.0K | 0.01% | +4,800+117.1% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 8,740 | $72.0K | 0.00% | +6,252+251.3% | Added |
| Lazard Asset Management LLC | 6,854 | $56.0K | 0.00% | +6,854 | New |
| Prospera Financial Services Inc | 6,096 | $50.0K | 0.00% | +6,096 | New |
| Amalgamated Bank | 5,380 | $44.0K | 0.00% | +5,380 | New |
| Amalgamated Financial Corp. | 5,380 | $44.0K | 0.00% | +5,380 | New |
| Skandinaviska Enskilda Banken AB (publ) | 5,100 | $42.0K | 0.00% | +5,100 | New |
| HighMark Wealth Management LLC | 4,575 | $38.0K | 0.03% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 3,400 | $28.0K | 0.00% | 00.0% | Unchanged |