Growth Metrics

Prothena Corp Public (PRTA) Profit After Tax (2016 - 2025)

Historic Profit After Tax for Prothena Corp Public (PRTA) over the last 14 years, with Q3 2025 value amounting to -$36.5 million.

  • Prothena Corp Public's Profit After Tax rose 3806.72% 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 11274.29%. This contributed to the annual value of -$122.3 million for FY2024, which is 1681.18% up from last year.
  • Latest data reveals that Prothena Corp Public reported Profit After Tax of -$36.5 million as of Q3 2025, which was up 3806.72% from -$125.8 million recorded in Q2 2025.
  • In the past 5 years, Prothena Corp Public's Profit After Tax registered a high of $109.2 million during Q3 2021, and its lowest value of -$125.8 million during Q2 2025.
  • Over the past 5 years, Prothena Corp Public's median Profit After Tax value was -$41.2 million (recorded in 2022), while the average stood at -$28.5 million.
  • In the last 5 years, Prothena Corp Public's Profit After Tax skyrocketed by 45728.49% in 2021 and then tumbled by 116278.15% in 2023.
  • Prothena Corp Public's Profit After Tax (Quarter) stood at -$33.2 million in 2021, then soared by 119.14% to $6.3 million in 2022, then plummeted by 1162.78% to -$67.5 million in 2023, then grew by 14.11% to -$58.0 million in 2024, then skyrocketed by 36.95% to -$36.5 million in 2025.
  • Its last three reported values are -$36.5 million in Q3 2025, -$125.8 million for Q2 2025, and -$60.2 million during Q1 2025.