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 that cover Prothena Corporation stock have a consensus rating of "Buy" and an average price target of $18.86, which forecasts a 70.37% increase in the stock price over the next year. The lowest target is $4.00 and the highest is $36.
Price Target: $18.86 (+70.37%)
Analyst Consensus: Buy
Analyst Ratings
The average analyst rating for Prothena Corporation stock 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
Historical EPS numbers are GAAP, while forecasted numbers may be non-GAAP.
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.