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Brian Weinstein's Stock Ratings
William Blair Analyst
Brian Weinstein is an analyst at William Blair. Analyst ratings are quantitative and qualitative analysis of a stock by Wall Street stock rating analysts. Stock ratings consist of expected future growth, current stock valuation and macroeconomic trends. Updated 12/16/2025
Updated: Dec 16, 2025
Overall Average Return
-19.2%
Smart Score
Overall Average Return Percentile
11th
Number of Ratings
17
| Buy Now | Get Alert | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 05/14/2025 | BDSX | Buy Now | Biodesix | $7.52 | — | — | Downgrade | Outperform → Market Perform | Get Alert | |
| 05/01/2025 | BDX | Buy Now | Becton Dickinson | $200.09 | — | — | Downgrade | Outperform → Market Perform | Get Alert | |
| 11/04/2022 | DMTK | Buy Now | DermTech | — | — | — | Downgrade | Outperform → Market Perform | Get Alert | |
| 07/15/2022 | TXG | Buy Now | 10x Genomics | $15.51 | — | — | Downgrade | Outperform → Market Perform | Get Alert | |
| 02/03/2022 | GKOS | Buy Now | Glaukos | $114.21 | — | — | Upgrade | Market Perform → Outperform | Get Alert | |
| 01/06/2022 | BLI | Buy Now | Berkeley Lights | — | — | — | Downgrade | Outperform → Market Perform | Get Alert | |
| 08/09/2021 | SERA | Buy Now | Sera Prognostics | $3.80 | — | — | Initiates | → Outperform | Get Alert | |
| 07/14/2021 | GKOS | Buy Now | Glaukos | $114.21 | — | — | Downgrade | Outperform → Market Perform | Get Alert | |
| 05/04/2021 | LHDX | Buy Now | Lucira Health | — | — | — | Downgrade | Outperform → Market Perform | Get Alert | |
| 03/15/2021 | TXG | Buy Now | 10x Genomics | $15.51 | — | — | Initiates | → Outperform | Get Alert | |
| 03/02/2021 | LHDX | Buy Now | Lucira Health | — | — | — | Initiates | → Outperform | Get Alert | |
| 11/23/2020 | BDSX | Buy Now | Biodesix | $7.52 | — | — | Initiates | → Outperform | Get Alert | |
| 10/30/2020 | DMTK | Buy Now | DermTech | — | — | — | Initiates | → Outperform | Get Alert | |
| 10/30/2020 | AWH | Buy Now | Aspira Womens Health | — | — | — | Initiates | → Outperform | Get Alert | |
| 07/18/2017 | QDEL | Buy Now | QuidelOrtho | $29.06 | — | — | Upgrade | Market Perform → Outperform | Get Alert | |
| 01/08/2016 | QDEL | Buy Now | QuidelOrtho | $29.06 | — | — | Downgrade | Outperform → Market Perform | Get Alert | |
| 07/20/2015 | GKOS | Buy Now | Glaukos | $114.21 | — | — | Initiates | → Outperform | Get Alert |
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