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