Prothena Corporation plc Ordinary Shares (PRTA) is a publicly traded Healthcare sector company. As of July 30, 2026, PRTA trades at $8.42 with a market cap of $448.14M and a P/E ratio of -3.02. PRTA moved -1.87% today. Year to date, PRTA is -8.59%; over the trailing twelve months it is +22.24%. Its 52-week range spans $4.32 to $17.66. 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.
Rallies tracks the latest PRTA news, catalysts, market updates, source links, and AI summaries when news is available.
| Metric | Value |
|---|---|
| Price | $8.42 |
| Market Cap | $448.14M |
| P/E Ratio | -3.02 |
| EPS | $-2.81 |
| Dividend Yield | 0.00% |
| 52-Week High | $17.66 |
| 52-Week Low | $4.32 |
| Volume | 411.44K |
| 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.