Prothena Corporation plc Ordinary Shares (PRTA) is a publicly traded Healthcare sector company. As of May 21, 2026, PRTA trades at $9.35 with a market cap of $502.07M and a P/E ratio of -3.28. PRTA moved +3.14% today. Year to date, PRTA is +2.75%; over the trailing twelve months it is +28.26%. Its 52-week range spans $4.32 to $20.75. Analyst consensus is buy with an average price target of $21.40. Rallies surfaces PRTA's financials, insider trades, hedge fund holdings, congressional trades, analyst ratings, and AI-generated research below.
Prothena Corporation plc Ordinary Shares (PRTA) research on Rallies includes live charts, financials, analyst ratings, hedge fund holdings, politician trades, insider activity, news, AI research, and community context. PRTA moved +3.14% today. Analyst consensus is buy.
| Metric | Value |
|---|---|
| Price | $9.35 |
| Market Cap | $502.07M |
| P/E Ratio | -3.28 |
| EPS | $-2.81 |
| Dividend Yield | 0.00% |
| 52-Week High | $20.75 |
| 52-Week Low | $4.32 |
| Volume | 492.89K |
| Avg Volume | 0 |
| Revenue (TTM) | $57.94M |
| Net Income | $-151.18M |
| Gross Margin | 0.00% |
5 analysts cover PRTA: 0 strong buy, 3 buy, 1 hold, 1 sell, 0 strong sell. Consensus rating is buy. Average price target: $21.40.