Balance Sheet
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) Free Cash Flow (2016 - 2025)

Prothena Corp Public has reported Free Cash Flow over the past 14 years, most recently at -$23.3 million for Q4 2025.

  • Quarterly results put Free Cash Flow at -$23.3 million for Q4 2025, up 51.25% from a year ago — trailing twelve months through Dec 2025 was -$163.7 million (down 8.89% YoY), and the annual figure for FY2025 was -$163.7 million, down 8.89%.
  • Free Cash Flow for Q4 2025 was -$23.3 million at Prothena Corp Public, up from -$40.6 million in the prior quarter.
  • Over the last five years, Free Cash Flow for PRTA hit a ceiling of $111.9 million in Q3 2021 and a floor of -$73.2 million in Q1 2024.
  • Median Free Cash Flow over the past 5 years was -$36.4 million (2022), compared with a mean of -$23.4 million.
  • Biggest five-year swings in Free Cash Flow: skyrocketed 674.42% in 2021 and later plummeted 925.69% in 2023.
  • Prothena Corp Public's Free Cash Flow stood at -$22.8 million in 2021, then surged by 77.49% to -$5.1 million in 2022, then plummeted by 925.69% to -$52.6 million in 2023, then grew by 9.07% to -$47.8 million in 2024, then skyrocketed by 51.25% to -$23.3 million in 2025.
  • The last three reported values for Free Cash Flow were -$23.3 million (Q4 2025), -$40.6 million (Q3 2025), and -$46.4 million (Q2 2025) per Business Quant data.