Prothena Corporation plc (PRTA)
NASDAQ: PRTA · Real-Time Price · USD
4.660
+0.070 (1.53%)
At close: Jun 2, 2025, 4:00 PM
4.590
-0.070 (-1.50%)
After-hours: Jun 2, 2025, 5:53 PM EDT
PRTA's stock price has decreased by -77.61% in the past year and price targets may not have had time to catch up.
Prothena Corporation Analyst Ratings
Total Analysts
9
Consensus Rating
Buy
Price Target
$27.67
Upside
+493.78%
Ratings History
| Analyst | Firm | Rating | Rating | Action | Price Target | Upside | Date |
|---|---|---|---|---|---|---|---|
| B of A Securities | B of A Securities | Hold → Sell Downgrades $22 → $4 | Hold → Sell | Downgrades | $22 → $4 | -14.16% | May 28, 2025 |
| Oppenheimer | Oppenheimer | Buy → Hold Downgrades n/a | Buy → Hold | Downgrades | n/a | n/a | May 27, 2025 |
| Piper Sandler | Piper Sandler | Buy Maintains $110 → $81 | Buy | Maintains | $110 → $81 | +1,638.20% | May 27, 2025 |
| JMP Securities | JMP Securities | Buy Maintains $78 → $29 | Buy | Maintains | $78 → $29 | +522.32% | May 27, 2025 |
| Chardan Capital | Chardan Capital | Strong Buy Maintains $40 → $18 | Strong Buy | Maintains | $40 → $18 | +286.27% | May 27, 2025 |
| HC Wainwright & Co. | HC Wainwright & Co. | Strong Buy Maintains $30 → $14 | Strong Buy | Maintains | $30 → $14 | +200.43% | May 27, 2025 |
| HC Wainwright & Co. | HC Wainwright & Co. | Strong Buy Maintains $48 → $30 | Strong Buy | Maintains | $48 → $30 | +543.78% | May 9, 2025 |
| JMP Securities | JMP Securities | Buy Maintains $80 → $78 | Buy | Maintains | $80 → $78 | +1,573.82% | May 9, 2025 |
| Chardan Capital | Chardan Capital | Strong Buy Maintains $40 | Strong Buy | Maintains | $40 | +758.37% | May 9, 2025 |
| Piper Sandler | Piper Sandler | Buy Maintains $94 → $110 | Buy | Maintains | $94 → $110 | +2,260.52% | Feb 26, 2025 |
| HC Wainwright & Co. | HC Wainwright & Co. | Strong Buy Reiterates $48 | Strong Buy | Reiterates | $48 | +930.04% | Feb 24, 2025 |
| RBC Capital | RBC Capital | Hold Maintains $24 → $20 | Hold | Maintains | $24 → $20 | +329.18% | Feb 21, 2025 |
| Cantor Fitzgerald | Cantor Fitzgerald | Buy Reiterates n/a | Buy | Reiterates | n/a | n/a | Feb 21, 2025 |
| Citizens Capital Markets | Citizens Capital Markets | Buy Reiterates $80 | Buy | Reiterates | $80 | +1,616.74% | Feb 21, 2025 |
| HC Wainwright & Co. | HC Wainwright & Co. | Strong Buy Reiterates $48 | Strong Buy | Reiterates | $48 | +930.04% | Feb 21, 2025 |
| Chardan Capital | Chardan Capital | Strong Buy Maintains $40 | Strong Buy | Maintains | $40 | +758.37% | Feb 21, 2025 |
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Analyst Star Rankings
Our analyst star rankings are based on these four factors
- Success Rate
- The percentage of ratings that are profitable.
- Average Return
- The average percentage return within one year of the rating.
- Rating Count
- The more ratings the analyst has provided, the higher the score.
- Recency
- Ratings provided within the past year contribute to a higher score.