Prothena Corp Public (PRTA) Profit After Tax: 2012-2025
Historic Profit After Tax for Prothena Corp Public (PRTA) over the last 14 years, with Sep 2025 value amounting to -$36.5 million.
- Prothena Corp Public's Profit After Tax rose 38.07% to -$36.5 million in Q3 2025 from the same period last year, while for Sep 2025 it was -$280.5 million, marking a year-over-year decrease of 112.74%. This contributed to the annual value of -$122.3 million for FY2024, which is 16.81% up from last year.
- According to the latest figures from Q3 2025, Prothena Corp Public's Profit After Tax is -$36.5 million, which was up 70.95% from -$125.8 million recorded in Q2 2025.
- Over the past 5 years, Prothena Corp Public's Profit After Tax peaked at $109.2 million during Q3 2021, and registered a low of -$125.8 million during Q2 2025.
- Its 3-year average for Profit After Tax is -$44.7 million, with a median of -$58.0 million in 2024.
- Per our database at Business Quant, Prothena Corp Public's Profit After Tax spiked by 457.28% in 2021 and then tumbled by 1,162.78% in 2023.
- Over the past 5 years, Prothena Corp Public's Profit After Tax (Quarterly) stood at -$33.2 million in 2021, then skyrocketed by 119.14% to $6.3 million in 2022, then slumped by 1,162.78% to -$67.5 million in 2023, then grew by 14.11% to -$58.0 million in 2024, then soared by 38.07% to -$36.5 million in 2025.
- Its Profit After Tax stands at -$36.5 million for Q3 2025, versus -$125.8 million for Q2 2025 and -$60.2 million for Q1 2025.