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Prothena Corp Public (PRTA) EBT: 2011-2024

Historic EBT for Prothena Corp Public (PRTA) over the last 14 years, with Dec 2024 value amounting to -$128.9 million.

  • Prothena Corp Public's EBT rose 38.31% to -$36.9 million in Q3 2025 from the same period last year, while for Sep 2025 it was -$238.8 million, marking a year-over-year decrease of 70.48%. This contributed to the annual value of -$128.9 million for FY2024, which is 19.66% up from last year.
  • Latest data reveals that Prothena Corp Public reported EBT of -$128.9 million as of FY2024, which was up 19.66% from -$160.5 million recorded in FY2023.
  • In the past 5 years, Prothena Corp Public's EBT registered a high of $71.9 million during FY2021, and its lowest value of -$160.5 million during FY2023.
  • In the last 3 years, Prothena Corp Public's EBT had a median value of -$128.9 million in 2024 and averaged -$138.3 million.
  • Its EBT has fluctuated over the past 5 years, first spiked by 164.55% in 2021, then slumped by 274.64% in 2022.
  • Over the past 5 years, Prothena Corp Public's EBT (Yearly) stood at -$111.4 million in 2020, then skyrocketed by 164.55% to $71.9 million in 2021, then plummeted by 274.64% to -$125.6 million in 2022, then fell by 27.77% to -$160.5 million in 2023, then grew by 19.66% to -$128.9 million in 2024.