Prothena Corporation plc (PRTA)
NASDAQ: PRTA · Real-Time Price · USD
11.07
-0.09 (-0.81%)
At close: Dec 5, 2025, 4:00 PM EST
11.00
-0.07 (-0.63%)
After-hours: Dec 5, 2025, 6:34 PM EST
Prothena Corporation Stock Forecast
Stock Price Forecast
The 7 analysts with 12-month price forecasts for Prothena Corporation stock have an average target of 18.86, with a low estimate of 4.00 and a high estimate of 36. The average target predicts an increase of 70.37% from the current stock price of 11.07.
Analyst Consensus: Buy
Analyst Ratings
The average analyst rating for Prothena Corporation stock from 9 stock analysts is "Buy". This means that analysts believe this stock is likely to outperform the market over the next twelve months.
Recommendation Trends
| Rating | Jul '25 | Aug '25 | Sep '25 | Oct '25 | Nov '25 | Dec '25 |
|---|---|---|---|---|---|---|
| Strong Buy | 2 | 3 | 3 | 3 | 3 | 3 |
| Buy | 3 | 3 | 3 | 2 | 2 | 2 |
| Hold | 3 | 3 | 3 | 3 | 3 | 3 |
| Sell | 1 | 1 | 1 | 1 | 1 | 1 |
| Strong Sell | 0 | 0 | 0 | 0 | 0 | 0 |
| Total | 9 | 10 | 10 | 9 | 9 | 9 |
Latest Forecasts
| Analyst | Firm | Rating | Rating | Action | Price Target | Upside | Date |
|---|---|---|---|---|---|---|---|
| Citizens | Citizens | Buy Maintains $11 → $19 | Buy | Maintains | $11 → $19 | +71.64% | Dec 1, 2025 |
| HC Wainwright & Co. | HC Wainwright & Co. | Strong Buy Maintains $20 → $30 | Strong Buy | Maintains | $20 → $30 | +171.00% | Nov 7, 2025 |
| RBC Capital | RBC Capital | Hold Maintains $10 → $11 | Hold | Maintains | $10 → $11 | -0.63% | Nov 7, 2025 |
| Piper Sandler | Piper Sandler | Buy Maintains $15 → $36 | Buy | Maintains | $15 → $36 | +225.20% | Oct 28, 2025 |
| HC Wainwright & Co. | HC Wainwright & Co. | Strong Buy Maintains $14 → $20 | Strong Buy | Maintains | $14 → $20 | +80.67% | Oct 7, 2025 |
Financial Forecast
Revenue This Year
11.28M
from 135.16M
Decreased by -91.65%
Revenue Next Year
103.70M
from 11.28M
Increased by 819.08%
EPS This Year
-4.82
from -2.27
EPS Next Year
-0.33
from -4.82
Revenue Forecast
| Revenue | 2025 | 2026 | 2027 | 2028 | 2029 | 2030 |
|---|---|---|---|---|---|---|
| High | 15.8M | 110.3M | ||||
| Avg | 11.3M | 103.7M | ||||
| Low | 9.4M | 98.0M |
Revenue Growth
| Revenue Growth | 2025 | 2026 | 2027 | 2028 | 2029 | 2030 |
|---|---|---|---|---|---|---|
| High | -88.3% | 877.1% | ||||
| Avg | -91.7% | 819.1% | ||||
| Low | -93.0% | 768.6% |
EPS Forecast
| EPS | 2025 | 2026 | 2027 | 2028 | 2029 | 2030 |
|---|---|---|---|---|---|---|
| High | -4.75 | 0.41 | ||||
| Avg | -4.82 | -0.33 | ||||
| Low | -4.94 | -1.59 |
EPS Growth
| EPS Growth | 2025 | 2026 | 2027 | 2028 | 2029 | 2030 |
|---|---|---|---|---|---|---|
| High | - | - | ||||
| Avg | - | - | ||||
| Low | - | - |
Sources: Price targets and analyst ratings provided by Benzinga. Revenue and EPS forecast data provided by Finnhub. The data is sourced from Wall Street analysts. Data disclaimer.