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Y Katherine Xu's Stock Ratings
William Blair Analyst
Y Katherine Xu 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 12/15/2025
Updated: Dec 15, 2025
Overall Average Return
217.6%
Smart Score
Overall Average Return Percentile
100th
Number of Ratings
6
| Buy Now | Get Alert | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 03/18/2025 | INCY | Buy Now | Incyte | $99.08 | — | — | Downgrade | Outperform → Market Perform | Get Alert | |
| 01/24/2019 | INCY | Buy Now | Incyte | $99.08 | 0.93% | $85 → $100 | Upgrade | Market Perform → Outperform | Get Alert | |
| 04/06/2018 | INCY | Buy Now | Incyte | $99.08 | — | — | Downgrade | Outperform → Market Perform | Get Alert | |
| 09/18/2017 | ARWR | Buy Now | Arrowhead Pharma | $68.21 | — | — | Upgrade | Market Perform → Outperform | Get Alert | |
| 01/25/2017 | ALBO | Buy Now | Albireo Pharma | — | — | — | Initiates | → Outperform | Get Alert | |
| 11/30/2016 | ARWR | Buy Now | Arrowhead Pharma | $68.21 | — | — | Downgrade | Outperform → Market Perform | Get Alert |
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