Prothena Corp Public

PRTANasdaq United States Health Care Biotechnology: Pharmaceutical Preparations

Market cap

$458.614 M

$8.76 +2.10%

Close of 7 Aug 2026

Revenue

$9.68M

#3177 by revenue

Earnings

-$244.1M

Loss-making

Shares outstanding

51,336,974

Latest filing cover page

P/E ratio

—

Cap ÷ net income

Biotechnology: Pharmaceutical Preparations — ranked by market cap

All 501 →

#213Benitec BiopharmaBNTC$468.2M
#214Q32 BioQTTB$464.4M
#215Prothena Corp PublicPRTA$458.6M
#216Puma BiotechnologyPBYI$453.5M
#217RezoluteRZLT$451.6M

Where these numbers come from

Share counts and financials for Prothena Corp Public are taken from its own SEC filings via EDGAR — public record, not an estimate. Market cap is shares outstanding multiplied by the latest close. Last updated 9 Aug 2026. Read the methodology.