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) Net Cash Flow (2016 - 2025)

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

  • Quarterly results put Net Cash Flow at -$23.3 million for Q4 2025, up 51.31% from a year ago — trailing twelve months through Dec 2025 was -$163.9 million (down 10.12% YoY), and the annual figure for FY2025 was -$163.9 million, down 10.12%.
  • Net 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, Net Cash Flow for PRTA hit a ceiling of $215.6 million in Q4 2022 and a floor of -$72.3 million in Q1 2024.
  • Median Net Cash Flow over the past 5 years was -$25.6 million (2023), compared with a mean of $515350.0.
  • Biggest five-year swings in Net Cash Flow: skyrocketed 1126.65% in 2022 and later crashed 480.64% in 2024.
  • Prothena Corp Public's Net Cash Flow stood at -$21.0 million in 2021, then skyrocketed by 1126.65% to $215.6 million in 2022, then tumbled by 124.15% to -$52.1 million in 2023, then increased by 8.05% to -$47.9 million in 2024, then soared by 51.31% to -$23.3 million in 2025.
  • The last three reported values for Net Cash Flow were -$23.3 million (Q4 2025), -$40.6 million (Q3 2025), and -$46.5 million (Q2 2025) per Business Quant data.