Rating History for Spark Therapeutics (ONCE) by William Blair
| Date | Analyst | Type | Rating (Past) |
PT (Past) |
Start $ (End $) |
% Chg. | Details |
|---|---|---|---|---|---|---|---|
| 3/7/2019 | Raju Prasad | Downgrade | Market Perform (Outperform) |
N/A (N/A) |
113.70 (110.05) |
-3.21% | Details |
 |
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