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Income Statement
Consolidated Net IncomeEBITEBITDAEBTEPS (Basic)EPS (Weighted Average and Diluted)Income from Continuing OperationsIncome towards Parent CompanyNet Income towards Common StockholdersNon Operating IncomeOperating ExpensesOperating IncomeOther Non Operating IncomeOther Operating ExpensesProfit After TaxResearch & DevelopmentRevenueSelling, General & AdministrativeShares OutstandingShares Outstanding (Diluted Average)Shares Outstanding (Weighted Average)Tax ProvisionsTax Rate
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Prothena Corp Public (PRTA) Income towards Parent Company (2016 - 2025)

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

  • For Q4 2025, Income towards Parent Company 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.
  • Income towards Parent Company reached -$21.6 million in Q4 2025 per PRTA's latest filing, up from -$36.5 million in the prior quarter.
  • Across five years, Income towards Parent Company topped out at $109.2 million in Q3 2021 and bottomed at -$125.7 million in Q2 2025.
  • Average Income towards Parent Company over 5 years is -$28.2 million, with a median of -$39.0 million recorded in 2021.
  • Peak YoY movement for Income towards Parent Company: surged 457.28% in 2021, then tumbled 1162.62% in 2023.
  • A 5-year view of Income towards Parent Company 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 Income towards Parent Company were -$21.6 million in Q4 2025, -$36.5 million in Q3 2025, and -$125.7 million in Q2 2025.