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 2022
Institutional positions in Sutro Biopharma, Inc. as of Jun 30, 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
- 115
- +4 vs. Q1 2022
- Shares held
- 46.1M
- +4.50M (+10.8%) vs. Q1 2022
- Total value
- $240.9M
- −$100.7M (−29.5%) vs. Q1 2022
- New holders
- 28
- 39 more added
- Sold out
- 24
- 29 more reduced
3 institutions that held it in Q1 2022 haven't filed for Q2 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2022: 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 2022
Shares, value and share of portfolio for each institution holding Sutro Biopharma, Inc.; share changes are against Q1 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| State Street Corp | 803,585 | $4.19M | 0.00% | −1,838,901−69.6% | Reduced |
| Geode Capital Management, LLC | 814,789 | $4.25M | 0.00% | +25,993+3.3% | Added |
| Rubric Capital Management LP | 900,000 | $4.69M | 0.25% | +900,000 | New |
| Jacobs Levy Equity Management, Inc | 1,017,034 | $5.30M | 0.04% | +396,554+63.9% | Added |
| Samsara BioCapital, LLC | 1,675,579 | $8.73M | 2.33% | 00.0% | Unchanged |
| Frazier Life Sciences Management, L.P. | 1,776,479 | $9.26M | 0.87% | 00.0% | Unchanged |
| Baillie Gifford & Co | 1,865,180 | $9.72M | 0.01% | −3,321−0.2% | Reduced |
| Vanguard Group Inc | 2,037,325 | $10.6M | 0.00% | −193,672−8.7% | Reduced |
| Millennium Management LLC | 2,306,792 | $12.0M | 0.02% | +1,964,661+574.2% | Added |
| Eventide Asset Management, LLC | 2,708,975 | $14.1M | 0.30% | 00.0% | Unchanged |
| Holocene Advisors, LP | 2,805,197 | $14.6M | 0.09% | +973,442+53.1% | Added |
| BVF Inc | 3,447,946 | $18.0M | 0.87% | 00.0% | Unchanged |
| BlackRock Inc. | 3,722,625 | $19.4M | 0.00% | −6,204−0.2% | Reduced |
| Franklin Resources Inc | 3,773,895 | $19.7M | 0.01% | +25,981+0.7% | Added |
| Suvretta Capital Management, LLC | 4,645,000 | $24.2M | 0.92% | +912,600+24.5% | Added |
| First Light Asset Management, LLC | 0 | $0 | 0.00% | −1,672,497−100.0% | Sold out |
| Lombard Odier Asset Management (Switzerland) SA | 0 | $0 | 0.00% | −391,024−100.0% | Sold out |
| Rafferty Asset Management, LLC | 0 | $0 | 0.00% | −164,790−100.0% | Sold out |
| Nomura Holdings Inc | 0 | $0 | 0.00% | −125,129−100.0% | Sold out |
| Opaleye Management Inc. | 0 | $0 | 0.00% | −89,980−100.0% | Sold out |
| Swiss National Bank | 0 | $0 | 0.00% | −76,600−100.0% | Sold out |
| Allianz Asset Management GmbH | 0 | $0 | 0.00% | −34,135−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −32,800−100.0% | Sold out |
| Allspring Global Investments Holdings, LLC | 0 | $0 | 0.00% | −31,320−100.0% | Sold out |
| Nisa Investment Advisors, LLC | 0 | $0 | 0.00% | −26,800−100.0% | Sold out |
| Principal Financial Group Inc | 0 | $0 | 0.00% | −26,632−100.0% | Sold out |
| Algert Global LLC | 0 | $0 | 0.00% | −22,189−100.0% | Sold out |
| UBS Asset Management Americas Inc | 0 | $0 | 0.00% | −20,100−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −13,800−100.0% | Sold out |
| ProShare Advisors LLC | 0 | $0 | 0.00% | −12,929−100.0% | Sold out |
| Virtus ETF Advisers LLC | 0 | $0 | 0.00% | −10,670−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −8,900−100.0% | Sold out |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0 | $0 | 0.00% | −8,740−100.0% | Sold out |
| Prospera Financial Services Inc | 0 | $0 | 0.00% | −6,096−100.0% | Sold out |
| High Net Worth Advisory Group LLC | 0 | $0 | 0.00% | −1,000−100.0% | Sold out |
| US Bancorp | 0 | $0 | 0.00% | −739−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −519−100.0% | Sold out |
| Cutler Group LP | 0 | $0 | 0.00% | −560−100.0% | Sold out |
| Signaturefd, LLC | 0 | $0 | 0.00% | −51−100.0% | Sold out |
| IndexIQ Advisors LLC | – | – | – | – | Not filed |
| Parametric Portfolio Associates LLC | – | – | – | – | Not filed |
| Amalgamated Financial Corp. | – | – | – | – | Not filed |