Prothena Corporation plc
PRTANASDAQHealthcare● Active
$8.56
$-0.23(-2.62%)
Market Cap$448143709
P/E Ratio—
52W High$11.8
52W Low$4.76
Prothena Corporation plc (PRTA) Stock Splits
No forward or reverse splits on record since IPO — details below.
FMP · PRTA · as of Jun 8, 2026
Key split metrics
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Prothena Corporation plc (PRTA) has been publicly traded since Dec 18, 2012 with no forward or reverse splits on record.
About stock split history
Prothena Corporation plc (PRTA) has never undergone a stock split since going public.
Frequently asked questions
Prothena Corporation plc (PRTA) has never split its stock since going public.
PRTA stock split historyhas PRTA ever stock splitno stock split since IPO
Data: Financial Modeling Prep · Updated daily · For informational purposes only, not investment advice.