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Prothena Corp Public (PRTA) Retained Earnings (2016 - 2025)

Historic Retained Earnings for Prothena Corp Public (PRTA) over the last 14 years, with Q3 2025 value amounting to -$1.3 billion.

  • Prothena Corp Public's Retained Earnings fell 2685.4% to -$1.3 billion in Q3 2025 from the same period last year, while for Sep 2025 it was -$1.3 billion, marking a year-over-year decrease of 2685.4%. This contributed to the annual value of -$1.1 billion for FY2024, which is 1248.02% down from last year.
  • Latest data reveals that Prothena Corp Public reported Retained Earnings of -$1.3 billion as of Q3 2025, which was down 2685.4% from -$1.3 billion recorded in Q2 2025.
  • In the past 5 years, Prothena Corp Public's Retained Earnings registered a high of -$682.9 million during Q3 2021, and its lowest value of -$1.3 billion during Q3 2025.
  • Over the past 5 years, Prothena Corp Public's median Retained Earnings value was -$912.6 million (recorded in 2023), while the average stood at -$947.0 million.
  • Per our database at Business Quant, Prothena Corp Public's Retained Earnings skyrocketed by 922.66% in 2021 and then crashed by 3192.61% in 2025.
  • Over the past 5 years, Prothena Corp Public's Retained Earnings (Quarter) stood at -$716.1 million in 2021, then fell by 16.33% to -$833.0 million in 2022, then dropped by 17.65% to -$980.0 million in 2023, then dropped by 12.48% to -$1.1 billion in 2024, then dropped by 20.18% to -$1.3 billion in 2025.
  • Its last three reported values are -$1.3 billion in Q3 2025, -$1.3 billion for Q2 2025, and -$1.2 billion during Q1 2025.