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Cash Flow Statement
Amortizatization of IntangiblesCapital ExpendituresCash from Financing ActivitiesCash from Investing ActivitiesCash from OperationsCash from RestructuringChange in Accured ExpensesChange in CashDeferred TaxesDepreciation & Amortization (CF)Depreciation and DepletionFree Cash FlowGains from Investment SecuritiesNet Cash FlowNet IncomeOther Working Capital ChangesShare-based CompensationShares Issued
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Prothena Corp Public (PRTA) Net Income (2016 - 2025)

Prothena Corp Public (PRTA) has 14 years of Net Income data on record, last reported at -$21.6 million in Q4 2025.

  • For Q4 2025, Net Income rose 62.71% year-over-year to -$21.6 million; the TTM value through Dec 2025 reached -$244.1 million, down 99.57%, while the annual FY2025 figure was -$244.1 million, 99.57% down from the prior year.
  • Net Income reached -$21.6 million in Q4 2025 per PRTA's latest filing, up from -$36.5 million in the prior quarter.
  • Across five years, Net Income topped out at $109.2 million in Q3 2021 and bottomed at -$125.7 million in Q2 2025.
  • Average Net Income over 5 years is -$28.2 million, with a median of -$39.0 million recorded in 2021.
  • Peak YoY movement for Net Income: surged 457.28% in 2021, then tumbled 1162.62% in 2023.
  • A 5-year view of Net Income shows it stood at -$33.1 million in 2021, then soared by 119.16% to $6.3 million in 2022, then crashed by 1162.62% to -$67.5 million in 2023, then grew by 14.1% to -$58.0 million in 2024, then surged by 62.71% to -$21.6 million in 2025.
  • Per Business Quant database, its latest 3 readings for Net Income were -$21.6 million in Q4 2025, -$36.5 million in Q3 2025, and -$125.7 million in Q2 2025.