Rating History for Prothena Corp (PRTA) by BofA Securities

Date Analyst Type Rating
(Past)
PT
(Past)
Start $
(End $)
% Chg. Details
5/28/2025 Tazeen Ahmad Downgrade Underperform
(Neutral)
4.00
(22.00)
4.58
(8.93)
94.98% Details