earnings
PR
NASDAQ · PRTA
Prothena Corporation plc Ordinary Shares
Healthcare · Biotechnology
$8.58
Up+$0.12 (+1.42%)
Updated Sep 21, 2026, 2:21 AM
SID Score
3.8/10
Composite research score
Smart Money
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Institutional and insider signal
- Market cap
- 556.49M
- P/E ratio
- -1.98
- Dividend yield
- 0.00%
- 52-week range
- $7.73 – $11.80
- Volume
- 1.83M
- Avg. volume
- 643.8K
Price performance
PRTA price history
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