PRTA
Prothena Corporation plc
NASDAQ · Healthcare · Biotechnology · IE
$9.82
+2.29%Margins
Gross margin
43.5%
EBITDA margin
-75.4%
EBIT margin
-115.1%
Net margin
-80.7%
FCF margin
-111.3%
-15.3%
Return on equity
-14.5%
Return on assets
-21.4%
Return on invested capital
0.17x
Asset turnover
-$60.0M
Cash from operations
$5.61
Cash per share
Margins, returns on capital and operating efficiency from the latest trailing period · Data as of Jun 1, 2026