Prothena Corporation plc (PRTA)
NASDAQ: PRTA · Real-Time Price · USD
8.05
+0.51 (6.76%)
At close: Aug 13, 2025, 4:00 PM
8.05
0.00 (0.00%)
After-hours: Aug 13, 2025, 6:39 PM EDT
Prothena Corporation Analyst Ratings
Total Analysts
10
Consensus Rating
Buy
Price Target
$24.29
Upside
+201.74%
Ratings History
| Analyst | Firm | Rating | Rating | Action | Price Target | Upside | Date |
|---|---|---|---|---|---|---|---|
| RBC Capital | RBC Capital | Hold Maintains $18 → $10 | Hold | Maintains | $18 → $10 | +24.22% | Aug 5, 2025 |
| HC Wainwright & Co. | HC Wainwright & Co. | Strong Buy Reiterates $14 | Strong Buy | Reiterates | $14 | +73.91% | Aug 5, 2025 |
| Chardan Capital | Chardan Capital | Strong Buy Maintains $18 | Strong Buy | Maintains | $18 | +123.60% | Aug 5, 2025 |
| Cantor Fitzgerald | Cantor Fitzgerald | Hold Reiterates n/a | Hold | Reiterates | n/a | n/a | Jun 20, 2025 |
| B of A Securities | B of A Securities | Hold → Sell Downgrades $22 → $4 | Hold → Sell | Downgrades | $22 → $4 | -50.31% | 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 | +906.21% | May 27, 2025 |
| JMP Securities | JMP Securities | Buy Maintains $78 → $29 | Buy | Maintains | $78 → $29 | +260.25% | May 27, 2025 |
| Chardan Capital | Chardan Capital | Strong Buy Maintains $40 → $18 | Strong Buy | Maintains | $40 → $18 | +123.60% | May 27, 2025 |
| HC Wainwright & Co. | HC Wainwright & Co. | Strong Buy Maintains $30 → $14 | Strong Buy | Maintains | $30 → $14 | +73.91% | May 27, 2025 |
| HC Wainwright & Co. | HC Wainwright & Co. | Strong Buy Maintains $48 → $30 | Strong Buy | Maintains | $48 → $30 | +272.67% | May 9, 2025 |
| JMP Securities | JMP Securities | Buy Maintains $80 → $78 | Buy | Maintains | $80 → $78 | +868.94% | May 9, 2025 |
| Chardan Capital | Chardan Capital | Strong Buy Maintains $40 | Strong Buy | Maintains | $40 | +396.89% | May 9, 2025 |
| Piper Sandler | Piper Sandler | Buy Maintains $94 → $110 | Buy | Maintains | $94 → $110 | +1,266.46% | Feb 26, 2025 |
| HC Wainwright & Co. | HC Wainwright & Co. | Strong Buy Reiterates $48 | Strong Buy | Reiterates | $48 | +496.27% | Feb 24, 2025 |
| RBC Capital | RBC Capital | Hold Maintains $24 → $20 | Hold | Maintains | $24 → $20 | +148.45% | 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.