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Prothena Corp Public (PRTA) Free Cash Flow: 2012-2025

Historic Free Cash Flow for Prothena Corp Public (PRTA) over the last 14 years, with Sep 2025 value amounting to -$40.6 million.

  • Prothena Corp Public's Free Cash Flow rose 10.22% to -$40.6 million in Q3 2025 from the same period last year, while for Sep 2025 it was -$188.2 million, marking a year-over-year decrease of 21.34%. This contributed to the annual value of -$150.3 million for FY2024, which is 9.97% down from last year.
  • Latest data reveals that Prothena Corp Public reported Free Cash Flow of -$40.6 million as of Q3 2025, which was up 12.60% from -$46.4 million recorded in Q2 2025.
  • Prothena Corp Public's 5-year Free Cash Flow high stood at $111.9 million for Q3 2021, and its period low was -$73.2 million during Q1 2024.
  • Moreover, its 3-year median value for Free Cash Flow was -$46.4 million (2025), whereas its average is -$38.9 million.
  • Per our database at Business Quant, Prothena Corp Public's Free Cash Flow soared by 674.42% in 2021 and then tumbled by 925.69% in 2023.
  • Prothena Corp Public's Free Cash Flow (Quarterly) stood at -$22.8 million in 2021, then skyrocketed by 77.49% to -$5.1 million in 2022, then plummeted by 925.69% to -$52.6 million in 2023, then rose by 9.07% to -$47.8 million in 2024, then rose by 10.22% to -$40.6 million in 2025.
  • Its Free Cash Flow stands at -$40.6 million for Q3 2025, versus -$46.4 million for Q2 2025 and -$53.4 million for Q1 2025.