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 |
|---|---|---|---|---|---|
| HighMark Wealth Management LLC | 4,575 | $68.0K | 0.04% | −1,033−18.4% | Reduced |
| Quantbot Technologies LP | 4,100 | $61.0K | 0.00% | −700−14.6% | Reduced |
| Ameritas Investment Partners, Inc. | 3,400 | $51.0K | 0.00% | 00.0% | Unchanged |
| Jefferies Group LLC | 3,400 | $50.6K | 0.00% | +3,400 | New |
| Cutler Group LP | 2,560 | $38.0K | 0.00% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 2,488 | $37.0K | 0.00% | −253−9.2% | Reduced |
| FourThought Financial, LLC | 1,759 | $26.0K | 0.00% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 914 | $14.0K | 0.00% | −1,160−55.9% | Reduced |
| Parallel Advisors, LLC | 465 | $7.00K | 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 |
| Daiwa Securities Group Inc. | 158 | $2.00K | 0.00% | 00.0% | Unchanged |
| 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 |
| CWM, LLC | 24 | $0 | 0.00% | +24 | New |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −375,000−100.0% | Sold out |
| Woodline Partners LP | 0 | $0 | 0.00% | −219,511−100.0% | Sold out |
| Ikarian Capital, LLC | 0 | $0 | 0.00% | −134,575−100.0% | Sold out |
| Massachusetts Financial Services Co | 0 | $0 | 0.00% | −91,798−100.0% | Sold out |
| AlphaCentric Advisors LLC | 0 | $0 | 0.00% | −26,000−100.0% | Sold out |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −25,711−100.0% | Sold out |
| J. Goldman & Co LP | 0 | $0 | 0.00% | −23,227−100.0% | Sold out |
| AQR Capital Management LLC | 0 | $0 | 0.00% | −14,519−100.0% | Sold out |
| Bailard, Inc. | 0 | $0 | 0.00% | −11,300−100.0% | Sold out |
| DekaBank Deutsche Girozentrale | 0 | $0 | 0.00% | −11,000−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −5,513−100.0% | Sold out |
| Meeder Asset Management Inc | 0 | $0 | 0.00% | −3,609−100.0% | Sold out |
| Lazard Asset Management LLC | 0 | $0 | 0.00% | −2,795−100.0% | Sold out |
| Point72 Hong Kong Ltd | 0 | $0 | 0.00% | −1,329−100.0% | Sold out |
| UBS Group AG | 0 | $0 | 0.00% | −1,221−100.0% | Sold out |
| Penserra Capital Management LLC | 0 | $0 | 0.00% | −1,055−100.0% | Sold out |
| TCI Wealth Advisors, Inc. | 0 | $0 | 0.00% | −169−100.0% | Sold out |