Key statistics
On Friday, Prothena Corporation PLC (PRTA:NSQ) closed at 8.67, 100.69% above the 52 week low of 4.32 set on May 28, 2025.
52-week range
Short selling activityProvided by S&P Global Market Intelligence
| Open | 8.53 |
|---|---|
| High | 8.79 |
| Low | 8.48 |
| Bid | 8.42 |
| Offer | 9.70 |
| Previous close | 8.64 |
| Average volume | 432.73k |
|---|---|
| Shares outstanding | 53.83m |
| Free float | 43.51m |
| P/E (TTM) | -- |
| Market cap | 466.71m USD |
| EPS (TTM) | -4.53 USD |
Data delayed at least 15 minutes, as of Feb 27 2026 21:00 GMT.
More ▼
- Prothena Announces up to $100 Million Share Repurchase Plan
- Prothena Reports Fourth Quarter and Full Year 2025 Financial Results, and Provides Financial Guidance and Business Highlights
- Prothena to Report Fourth Quarter and Full Year 2025 Financial Results on February 19, 2026
- Prothena Announces Board of Directors Update
