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 (PRTA) has 14 years of Net Cash Flow data on record, last reported at -$23.3 million in Q4 2025.

  • For Q4 2025, Net Cash Flow rose 51.31% year-over-year to -$23.3 million; the TTM value through Dec 2025 reached -$163.9 million, down 10.12%, while the annual FY2025 figure was -$163.9 million, 10.12% down from the prior year.
  • Net Cash Flow reached -$23.3 million in Q4 2025 per PRTA's latest filing, up from -$40.6 million in the prior quarter.
  • Across five years, Net Cash Flow topped out at $215.6 million in Q4 2022 and bottomed at -$72.3 million in Q1 2024.
  • Average Net Cash Flow over 5 years is $515350.0, with a median of -$25.6 million recorded in 2023.
  • Peak YoY movement for Net Cash Flow: surged 1126.65% in 2022, then plummeted 480.64% in 2024.
  • A 5-year view of Net Cash Flow shows it stood at -$21.0 million in 2021, then soared by 1126.65% to $215.6 million in 2022, then plummeted by 124.15% to -$52.1 million in 2023, then grew by 8.05% to -$47.9 million in 2024, then surged by 51.31% to -$23.3 million in 2025.
  • Per Business Quant database, its latest 3 readings for Net Cash Flow were -$23.3 million in Q4 2025, -$40.6 million in Q3 2025, and -$46.5 million in Q2 2025.