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, Q3 2021
Institutional positions in Sutro Biopharma, Inc. as of Sep 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
- 120
- −4 vs. Q2 2021
- Shares held
- 39.8M
- −1.40M (−3.4%) vs. Q2 2021
- Total value
- $752.5M
- −$14.1M (−1.8%) vs. Q2 2021
- New holders
- 10
- 45 more added
- Sold out
- 14
- 37 more reduced
Compare with Q2 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, Q3 2021
Shares, value and share of portfolio for each institution holding Sutro Biopharma, Inc.; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Meeder Asset Management Inc | 3,609 | $68.0K | 0.00% | +596+19.8% | Added |
| Ameritas Investment Partners, Inc. | 3,400 | $64.0K | 0.00% | 00.0% | Unchanged |
| Group One Trading, L.P. | 3,110 | $59.0K | 0.00% | −4,500−59.1% | Reduced |
| Tower Research Capital LLC (TRC) | 3,015 | $57.0K | 0.00% | −420−12.2% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 2,741 | $52.0K | 0.00% | +67+2.5% | Added |
| Lazard Asset Management LLC | 2,795 | $52.0K | 0.00% | +2,795 | New |
| Cutler Group LP | 2,560 | $48.0K | 0.00% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 2,074 | $39.0K | 0.00% | −15−0.7% | Reduced |
| FourThought Financial, LLC | 1,759 | $33.0K | 0.00% | +25+1.4% | Added |
| Point72 Hong Kong Ltd | 1,329 | $25.0K | 0.00% | +662+99.3% | Added |
| Royal Bank of Canada | 1,329 | $25.0K | 0.00% | +895+206.2% | Added |
| UBS Group AG | 1,221 | $23.0K | 0.00% | +1,221 | New |
| Penserra Capital Management LLC | 1,055 | $19.0K | 0.00% | +5+0.5% | Added |
| US Bancorp | 834 | $16.0K | 0.00% | +834 | New |
| Parallel Advisors, LLC | 465 | $9.00K | 0.00% | 00.0% | Unchanged |
| Total Clarity Wealth Management, Inc. | 200 | $4.00K | 0.00% | +200 | New |
| Daiwa Securities Group Inc. | 158 | $3.00K | 0.00% | +69+77.5% | Added |
| TCI Wealth Advisors, Inc. | 169 | $3.00K | 0.00% | +169 | New |
| Bellevue Asset Management, LLC | 88 | $2.00K | 0.00% | 00.0% | Unchanged |
| Captrust Financial Advisors | 58 | $1.00K | 0.00% | 00.0% | Unchanged |
| FIL Ltd | 0 | $0 | 0.00% | −677,416−100.0% | Sold out |
| OrbiMed Advisors LLC | 0 | $0 | 0.00% | −433,700−100.0% | Sold out |
| Candriam Luxembourg S.C.A. | 0 | $0 | 0.00% | −366,207−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −114,895−100.0% | Sold out |
| Driehaus Capital Management LLC | 0 | $0 | 0.00% | −79,700−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −61,432−100.0% | Sold out |
| Marshall Wace North America L.P. | 0 | $0 | 0.00% | −43,759−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −15,548−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −15,339−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −14,500−100.0% | Sold out |
| Blueshift Asset Management, LLC | 0 | $0 | 0.00% | −13,189−100.0% | Sold out |
| Winton Group Ltd | 0 | $0 | 0.00% | −10,653−100.0% | Sold out |
| Geneos Wealth Management Inc. | 0 | $0 | 0.00% | −700−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −21−100.0% | Sold out |