Prothena Corporation plc (PRTA)
NASDAQ: PRTA · Real-Time Price · USD
8.26
+0.35 (4.42%)
Jun 11, 2026, 4:00 PM EDT - Market closed
Prothena Corporation Analyst Ratings
Ratings History
| Analyst | Firm | Rating | Rating | Action | Price Target | Upside | Date |
|---|---|---|---|---|---|---|---|
| RBC Capital | RBC Capital | Hold Maintains $12 → $13 | Hold | Maintains | $12 → $13 | +57.38% | May 9, 2026 |
| H.C. Wainwright | H.C. Wainwright | Buy Maintains $30 | Buy | Maintains | $30 | +263.20% | May 8, 2026 |
| Piper Sandler | Piper Sandler | Buy Maintains $36 | Buy | Maintains | $36 | +335.84% | May 8, 2026 |
| Citizens JMP | Citizens JMP | Buy Maintains $19 → $20 | Buy | Maintains | $19 → $20 | +142.13% | May 8, 2026 |
| Bank of America Securities | Bank of America Securities | Sell Reiterates $8 | Sell | Reiterates | $8 | -3.15% | May 8, 2026 |
| Wolfe Research | Wolfe Research | Buy Initiates $18 | Buy | Initiates | $18 | +117.92% | Jan 1, 2026 |