Prothena (PRTA)

Prothena (PRTA) stock research: performance, analysts' price targets, earnings, revenue and margins, technicals and insider trades.

• PRTA last traded at $8.22, -0.84% on the day.
• Prothena: market cap $425.58M, P/E -10.0, revenue $54.53M over the last four quarters, next earnings 2026-11-05.
• Over the past year PRTA returned -23.53%; year to date -13.93%.

Updated 2026-11-04 00:03 UTC