← All US stocks
PC

Prothena Corporation plc - Ordinary Shares

PRTA

Close · 10/09/2026

9.02

1D

-3.01%

52-week range

7.73 – 11.8

Volume

3,10,800.00

Price history

PRTA

11/08/2026 to 10/09/2026

O 9.25 H 9.26 L 8.97

9.828.7111/08/202610/09/2026
1W-6.87%
1M-2.17%
3M+14.03%
6M-5.85%
1Y+8.15%
3Y-83.42%
5Y-87.09%
MAX-83.67%

Fundamentals

as of 10/09/2026
Market cap
$463.06M
Shares out
51.34M
P/E (forward)
-6.14
EPS (trailing)
-0.86
Beta
-0.35
Profit margin
-80.67%
P/B
1.61
Return on equity
-15.33%

SEC financial statements

53 quarterly and 15 annual periods through 30/06/2026.

Explore statements →

Details

Ticker
PRTA
Index
-
Sector
-
Industry
-
HQ
-

Last close 10/09/2026.