| (USD) | Jun 2026 | Y/Y change |
|---|---|---|
| Revenue | 1.01M | — |
| Operating expense | — | — |
| Net income | -18.58M | — |
| Net profit margin | — | — |
| Earnings per share | — | — |
| EBITDA | — | — |
| Effective tax rate | — | — |
Over the past year, PRTA returned +7.8% with dividends reinvested.
| Period | Total return |
|---|---|
| YTD | -1.0% |
| 1 year | +7.8% |
| 5 years | -85.9% |
| 10 years | -81.1% |
| All-time high | $71.23 (Sep 2021) |
Returns are total returns and include reinvested dividends. The all-time high is the highest monthly closing price on record.
See what $1,000 in PRTA would be worth today ›No. Prothena Corporation plc has not paid a dividend in the past 12 months.
Prothena Corporation plc stock trades on NASDAQ under the ticker symbol PRTA.
Prothena Corporation plc is part of the Healthcare sector.
Prothena Corporation plc has a market cap of 485.13M USD, based on the latest quote.
Prothena Corporation plc is expected to report earnings around Nov 5, 2026. That date is an estimate and has not been confirmed by the company.