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 | $358.3M |
| 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, 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 |
|---|---|---|---|---|---|
| DekaBank Deutsche Girozentrale | 11,000 | $196.0K | 0.00% | 00.0% | Unchanged |
| American Portfolios Advisors | 8,025 | $149.2K | 0.01% | +375+4.9% | Added |
| Group One Trading, L.P. | 7,610 | $141.0K | 0.00% | −1,574−17.1% | Reduced |
| First Quadrant L P | 6,000 | $112.0K | 0.01% | 00.0% | Unchanged |
| HighMark Wealth Management LLC | 5,466 | $102.0K | 0.07% | +4,181+325.4% | Added |
| Legal & General Group Plc | 4,921 | $92.0K | 0.00% | +1,511+44.3% | Added |
| BNP Paribas Arbitrage, SA | 4,512 | $83.9K | 0.00% | −23,542−83.9% | Reduced |
| Tower Research Capital LLC (TRC) | 3,435 | $64.0K | 0.00% | −126−3.5% | Reduced |
| Ameritas Investment Partners, Inc. | 3,400 | $63.0K | 0.00% | +756+28.6% | Added |
| Meeder Asset Management Inc | 3,013 | $56.0K | 0.00% | +1,389+85.5% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 2,674 | $50.0K | 0.00% | +102+4.0% | Added |
| Cutler Group LP | 2,560 | $47.0K | 0.00% | −1,000−28.1% | Reduced |
| Federated Hermes, Inc. | 2,089 | $39.0K | 0.00% | −326,685−99.4% | Reduced |
| FourThought Financial, LLC | 1,734 | $32.0K | 0.00% | −86−4.7% | Reduced |
| Penserra Capital Management LLC | 1,050 | $19.0K | 0.00% | +35+3.4% | Added |
| Quantbot Technologies LP | 900 | $16.0K | 0.00% | +900 | New |
| Geneos Wealth Management Inc. | 700 | $13.0K | 0.00% | 00.0% | Unchanged |
| Point72 Hong Kong Ltd | 667 | $12.0K | 0.00% | −162−19.5% | Reduced |
| Parallel Advisors, LLC | 465 | $9.00K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 434 | $8.00K | 0.00% | −2,282−84.0% | Reduced |
| Daiwa Securities Group Inc. | 89 | $2.00K | 0.00% | 00.0% | Unchanged |
| Bellevue Asset Management, LLC | 88 | $2.00K | 0.00% | −13−12.9% | Reduced |
| Captrust Financial Advisors | 58 | $1.00K | 0.00% | −12−17.1% | Reduced |
| Simplex Trading, LLC | 21 | $0 | 0.00% | −7,106−99.7% | Reduced |
| Ra Capital Management, L.P. | 0 | $0 | 0.00% | −2,118,212−100.0% | Sold out |
| Compagnie Lombard Odier SCmA | 0 | $0 | 0.00% | −290,418−100.0% | Sold out |
| Altium Capital Management LP | 0 | $0 | 0.00% | −226,719−100.0% | Sold out |
| Jacobs Levy Equity Management, Inc | 0 | $0 | 0.00% | −106,581−100.0% | Sold out |
| Affinity Asset Advisors, LLC | 0 | $0 | 0.00% | −80,000−100.0% | Sold out |
| EAM Global Investors LLC | 0 | $0 | 0.00% | −74,142−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −71,614−100.0% | Sold out |
| California Public Employees Retirement System | 0 | $0 | 0.00% | −52,700−100.0% | Sold out |
| EAM Investors, LLC | 0 | $0 | 0.00% | −52,643−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −46,473−100.0% | Sold out |
| AQR Capital Management LLC | 0 | $0 | 0.00% | −42,670−100.0% | Sold out |
| HighVista Strategies LLC | 0 | $0 | 0.00% | −38,982−100.0% | Sold out |
| Arrowstreet Capital, Limited Partnership | 0 | $0 | 0.00% | −27,300−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −22,404−100.0% | Sold out |
| AMP Capital Investors Ltd | 0 | $0 | 0.00% | −21,788−100.0% | Sold out |
| Price T Rowe Associates Inc | 0 | $0 | 0.00% | −21,399−100.0% | Sold out |
| Financial Engines Advisors L.L.C. | 0 | $0 | 0.00% | −10,151−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −6,841−100.0% | Sold out |
| Pacer Advisors, Inc. | 0 | $0 | 0.00% | −3,216−100.0% | Sold out |
| Dorsey Wright & Associates | 0 | $0 | 0.00% | −1,832−100.0% | Sold out |
| Mesirow Financial Investment Management, Inc. | 0 | $0 | 0.00% | −1,054−100.0% | Sold out |
| Bank of Montreal | 0 | $0 | 0.00% | −956−100.0% | Sold out |
| FORA Capital, LLC | 0 | $0 | 0.00% | −811−100.0% | Sold out |
| UBS Group AG | 0 | $0 | 0.00% | −507−100.0% | Sold out |
| Eaton Vance Management | 0 | $0 | 0.00% | −230−100.0% | Sold out |
| Total Clarity Wealth Management, Inc. | 0 | $0 | 0.00% | −200−100.0% | Sold out |