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 | $358.3M |
| 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, 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 |
|---|---|---|---|---|---|
| Signaturefd, LLC | 51 | $0 | 0.00% | +51 | New |
| Washington Trust Advisors, Inc. | 179 | $1.00K | 0.00% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 158 | $1.00K | 0.00% | 00.0% | Unchanged |
| Captrust Financial Advisors | 399 | $3.00K | 0.00% | +341+587.9% | Added |
| Simplex Trading, LLC | 403 | $3.00K | 0.00% | +403 | New |
| Cutler Group LP | 560 | $4.00K | 0.00% | −2,000−78.1% | Reduced |
| Parallel Advisors, LLC | 465 | $4.00K | 0.00% | 00.0% | Unchanged |
| Group One Trading, L.P. | 519 | $4.00K | 0.00% | +481+1,265.8% | Added |
| US Bancorp | 739 | $6.00K | 0.00% | +532+257.0% | Added |
| High Net Worth Advisory Group LLC | 1,000 | $8.00K | 0.00% | +1,000 | New |
| Tower Research Capital LLC (TRC) | 1,233 | $10.0K | 0.00% | −4,210−77.3% | Reduced |
| FourThought Financial, LLC | 1,759 | $14.0K | 0.00% | 00.0% | Unchanged |
| Metropolitan Life Insurance Co | 2,947 | $24.2K | 0.00% | −6,886−70.0% | Reduced |
| Royal Bank of Canada | 3,133 | $26.0K | 0.00% | −5,787−64.9% | Reduced |
| Ameritas Investment Partners, Inc. | 3,400 | $28.0K | 0.00% | 00.0% | Unchanged |
| HighMark Wealth Management LLC | 4,575 | $38.0K | 0.03% | 00.0% | Unchanged |
| Skandinaviska Enskilda Banken AB (publ) | 5,100 | $42.0K | 0.00% | +5,100 | New |
| Amalgamated Bank | 5,380 | $44.0K | 0.00% | +5,380 | New |
| Amalgamated Financial Corp. | 5,380 | $44.0K | 0.00% | +5,380 | New |
| Prospera Financial Services Inc | 6,096 | $50.0K | 0.00% | +6,096 | New |
| Lazard Asset Management LLC | 6,854 | $56.0K | 0.00% | +6,854 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 8,740 | $72.0K | 0.00% | +6,252+251.3% | Added |
| Quantbot Technologies LP | 8,900 | $73.0K | 0.01% | +4,800+117.1% | Added |
| American Portfolios Advisors | 9,100 | $74.8K | 0.00% | +1,075+13.4% | Added |
| Manchester Capital Management LLC | 10,561 | $87.0K | 0.01% | 00.0% | Unchanged |
| Virtus ETF Advisers LLC | 10,670 | $88.0K | 0.04% | −635−5.6% | Reduced |
| Legal & General Group Plc | 11,270 | $92.0K | 0.00% | 00.0% | Unchanged |
| Parametric Portfolio Associates LLC | 11,455 | $94.0K | 0.00% | −11,753−50.6% | Reduced |
| State Board of Administration of Florida Retirement System | 11,923 | $98.0K | 0.00% | 00.0% | Unchanged |
| ProShare Advisors LLC | 12,929 | $105.0K | 0.00% | −3,061−19.1% | Reduced |
| Engineers Gate Manager LP | 13,800 | $113.0K | 0.00% | +13,800 | New |
| Voya Investment Management LLC | 17,110 | $141.0K | 0.00% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 18,772 | $154.3K | 0.00% | −4,100−17.9% | Reduced |
| UBS Asset Management Americas Inc | 20,100 | $165.2K | 0.00% | +20,100 | New |
| American International Group, Inc. | 21,527 | $177.0K | 0.00% | −1,515−6.6% | Reduced |
| Algert Global LLC | 22,189 | $182.0K | 0.01% | −8,073−26.7% | Reduced |
| AQR Capital Management LLC | 23,176 | $191.0K | 0.00% | +23,176 | New |
| Deutsche Bank AG | 23,793 | $195.0K | 0.00% | −33,357−58.4% | Reduced |
| MetLife Investment Management | 25,503 | $209.6K | 0.00% | +9,080+55.3% | 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 |
| BNP Paribas Arbitrage, SA | 26,475 | $217.6K | 0.00% | +9,464+55.6% | Added |
| Principal Financial Group Inc | 26,632 | $219.0K | 0.00% | −11,137−29.5% | Reduced |
| Nisa Investment Advisors, LLC | 26,800 | $220.0K | 0.00% | +26,800 | New |
| Credit Suisse AG | 27,173 | $223.0K | 0.00% | −1,139−4.0% | Reduced |
| Citigroup Inc | 28,671 | $236.0K | 0.00% | −44,271−60.7% | Reduced |
| 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 |
| Jump Financial, LLC | 32,800 | $270.0K | 0.01% | +32,800 | New |
| Allianz Asset Management GmbH | 34,135 | $281.0K | 0.00% | −17,376−33.7% | Reduced |
| Gsa Capital Partners LLP | 35,442 | $291.0K | 0.04% | −35,970−50.4% | Reduced |
| Wells Fargo & Company | 38,109 | $313.0K | 0.00% | −14,108−27.0% | Reduced |
| Woodline Partners LP | 38,776 | $319.0K | 0.01% | +38,776 | New |
| Public Employees Retirement System of Ohio | 40,174 | $330.0K | 0.00% | +40,174 | New |
| Los Angeles Capital Management LLC | 41,004 | $337.0K | 0.00% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 41,716 | $343.0K | 0.00% | +3,916+10.4% | Added |
| Man Group plc | 42,501 | $349.0K | 0.00% | +42,501 | New |
| Susquehanna International Group, LLP | 42,904 | $353.0K | 0.00% | +5,146+13.6% | Added |
| California State Teachers Retirement System | 46,071 | $379.0K | 0.00% | −4,806−9.4% | Reduced |
| IndexIQ Advisors LLC | 48,931 | $402.0K | 0.01% | +48,931 | New |
| Russell Investments Group, Ltd. | 50,176 | $410.0K | 0.00% | +32,807+188.9% | Added |
| Barclays PLC | 53,591 | $441.0K | 0.00% | −300,796−84.9% | Reduced |
| Invesco Ltd. | 54,131 | $445.0K | 0.00% | −112,091−67.4% | Reduced |
| Rhumbline Advisers | 55,176 | $454.0K | 0.00% | −797−1.4% | Reduced |
| Walleye Capital LLC | 63,610 | $523.0K | 0.02% | −11,802−15.7% | Reduced |
| Swiss National Bank | 76,600 | $630.0K | 0.00% | +5,800+8.2% | Added |
| PDT Partners, LLC | 80,871 | $665.0K | 0.06% | +80,871 | New |
| DAFNA Capital Management LLC | 84,700 | $696.0K | 0.18% | +39,700+88.2% | Added |
| Cubist Systematic Strategies, LLC | 85,570 | $703.0K | 0.01% | +85,570 | New |
| Opaleye Management Inc. | 89,980 | $740.0K | 0.23% | −590,020−86.8% | Reduced |
| Two Sigma Advisers, LP | 106,900 | $879.0K | 0.00% | +12,600+13.4% | Added |
| UBS Group AG | 110,333 | $907.0K | 0.00% | +110,333 | New |
| Kennedy Capital Management, Inc. | 114,312 | $940.0K | 0.02% | −13,613−10.6% | Reduced |
| State of Wisconsin Investment Board | 115,230 | $947.0K | 0.00% | +59,100+105.3% | Added |
| Panagora Asset Management Inc | 119,064 | $979.0K | 0.01% | −26,287−18.1% | Reduced |
| Charles Schwab Investment Management Inc | 119,667 | $984.0K | 0.00% | +10,118+9.2% | Added |
| Nomura Holdings Inc | 125,129 | $1.07M | 0.01% | −96,305−43.5% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 150,000 | $1.23M | 0.00% | +150,000 | New |
| Bank of New York Mellon Corp | 150,618 | $1.24M | 0.00% | +1,003+0.7% | Added |
| Two Sigma Investments, LP | 162,912 | $1.34M | 0.00% | +49,829+44.1% | Added |
| Tekla Capital Management LLC | 163,924 | $1.35M | 0.05% | −163,926−50.0% | Reduced |
| Rafferty Asset Management, LLC | 164,790 | $1.35M | 0.01% | +83,661+103.1% | Added |
| JPMorgan Chase & Co | 170,766 | $1.40M | 0.00% | +114,610+204.1% | Added |
| AJU IB Investment Co., Ltd. | 175,000 | $1.44M | 2.22% | 00.0% | Unchanged |
| Nuveen Asset Management, LLC | 186,132 | $1.48M | 0.00% | +3,932+2.2% | Added |
| Parkman Healthcare Partners LLC | 199,846 | $1.64M | 0.48% | −21,373−9.7% | Reduced |
| Alliancebernstein L.P. | 205,924 | $1.69M | 0.00% | −9,642−4.5% | Reduced |
| Acadian Asset Management LLC | 238,157 | $1.96M | 0.01% | +94,439+65.7% | Added |
| Pentwater Capital Management LP | 250,000 | $2.06M | 0.04% | +20,000+8.7% | Added |
| Bank of America Corp | 267,239 | $2.20M | 0.00% | +150,809+129.5% | Added |
| Endurant Capital Management LP | 296,508 | $2.44M | 0.74% | +184,705+165.2% | Added |
| Morgan Stanley | 339,186 | $2.79M | 0.00% | +275,689+434.2% | Added |
| Millennium Management LLC | 342,131 | $2.81M | 0.00% | +196,496+134.9% | Added |
| Citadel Advisors LLC | 357,845 | $2.94M | 0.00% | −238,925−40.0% | Reduced |
| 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 |
| Banco Santander, S.A. | 400,000 | $3.29M | 0.04% | +400,000 | New |
| Goldman Sachs Group Inc | 402,381 | $3.31M | 0.00% | +39,828+11.0% | Added |
| Dimensional Fund Advisors LP | 446,955 | $3.67M | 0.00% | +86,190+23.9% | Added |
| Jacobs Levy Equity Management, Inc | 620,480 | $5.10M | 0.03% | +620,480 | New |