Prothena Q4 2025 Earnings: Two Partnered Programs Enter Phase III, Cash Position Exceeds Guidance
Feb 21, 2026
Prothena reported Q4 2025 adjusted loss of 45 cents per share, meeting estimates, while ending the year with $308.4 million in cash. Roche and Novo Nordisk advanced partnered programs prasinezumab and coramitug into Phase III trials.