Prothena Corporation plc (PRTA) is a biotechnology company listed on US.
Latest reported PRTA revenue for 2026-06-30 was $1.0M. Net income was -$18.6M. Revenue was down 98.0% from 2026-03-31 to 2026-06-30. PRTA currently screens at market cap $460.2M.
Use this PRTA page for company research — sector, financials, and the latest filing takeaway — not a live tape. The session quote (last, range, volume) lives on the PRTA quote page. Cached 10-K, 10-Q, 8-K, and Form 4 exhibits are on the PRTA SEC filings page. Lician reads the product cache first so this HTML stays unique to Prothena Corporation plc even when a live quote feed is slow.
Latest cached year on this hub. Full PRTA income, balance, and cash tables.