PRTA Prothena Corporation plc
$8.93▼ -1.00%
Healthcare
Other
After hours
$8.93▲ +0.00%
Sep 11, 7:30 PM ET
Volume 376.3K
Avg Volume (10D) 335.1K
Key Metrics & Fundamentals
Market Cap
$458.44M
P/E Ratio
–
Div Yield
–%
52W Range
7.73 - 11.80
% vs 50 MA
-1.00%
% vs 200 MA
-5.70%
RSI-14
44.1
MACD Histogram
-0.0600
Beta (1Y vs SPY)
1.02
Free Cash Flow
-$25.70M
Gross Rev
$1.01M
Gross Profit
$1.01M
EBITDA
-$16.08M
COGS
–
Operating Exp
$19.70M
Operating Income
-$18.69M
EBIT
-$18.69M
Pretax Income
-$18.58M
Net Income
-$18.58M
EPS (Diluted)
-0.36
Price & Volume History
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Recent News

Prothena to Participate in the H.C. Wainwright 28th Annual Global Investment Conference
Business Wire · Sep 9, 2026 8:05 PM

Real Parkinson’s Disease Hope from Jupiter Neurosciences
Exec Edge · Aug 19, 2026 4:32 PM

KMDA or PRTA: Which Is the Better Value Stock Right Now?
Zacks · Aug 14, 2026 3:40 PM
PRTA's Q2 Loss Narrower Than Expected, Pipeline Progress in Focus
Zacks · Aug 7, 2026 5:41 PM
Prothena (PRTA) Reports Q2 Loss, Misses Revenue Estimates
Zacks · Aug 6, 2026 11:10 PM
Prothena: Q2 Earnings Snapshot
Associated Press · Aug 6, 2026 9:22 PM
Prothena Reports Second Quarter 2026 Financial Results and Business Highlights
Business Wire · Aug 6, 2026 8:05 PM
Vanda Pharmaceuticals (VNDA) Reports Q2 Loss, Lags Revenue Estimates
Zacks · Aug 5, 2026 9:10 PM
Prothena to Report Second Quarter 2026 Financial Results on August 6
Business Wire · Jul 30, 2026 8:05 PM
PRTA Stock Rises Nearly 11% in Six Months: What's Driving It?
Zacks · Jul 9, 2026 3:38 PM
Financial Overview - Income Statement
Quarterly
Jun 2026
See PRTA's money flow as a full page
Social Sentiment
No Reddit posts found for PRTA.
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