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Prothena Corp Public (PRTA) Retained Earnings: 2012-2025

Historic Retained Earnings for Prothena Corp Public (PRTA) over the last 13 years, with Sep 2025 value amounting to -$1.3 billion.

  • Prothena Corp Public's Retained Earnings fell 26.85% 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 26.85%. This contributed to the annual value of -$1.1 billion for FY2024, which is 12.48% 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 1.91% from -$1.3 billion recorded in Q2 2025.
  • In the past 5 years, Prothena Corp Public's Retained Earnings ranged from a high of -$682.9 million in Q3 2021 and a low of -$1.3 billion during Q3 2025.
  • Its 3-year average for Retained Earnings is -$1.1 billion, with a median of -$1.0 billion in 2024.
  • Its Retained Earnings has fluctuated over the past 5 years, first climbed by 9.23% in 2021, then crashed by 31.93% in 2025.
  • Over the past 5 years, Prothena Corp Public's Retained Earnings (Quarterly) stood at -$716.1 million in 2021, then dropped by 16.33% to -$833.0 million in 2022, then decreased by 17.65% to -$980.0 million in 2023, then declined by 12.48% to -$1.1 billion in 2024, then fell by 26.85% 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.