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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 RateTax Rate
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Prothena Corp Public (PRTA) Consolidated Net Income (2016 - 2026)

Prothena Corp Public has reported Consolidated Net Income over the past 14 years, most recently at -$21.5 million for Q4 2025.

  • For Q4 2025, Consolidated Net Income rose 62.85% year-over-year to -$21.5 million; the TTM value through Dec 2025 reached -$244.0 million, down 99.39%, while the annual FY2025 figure was -$244.1 million, 99.57% down from the prior year.
  • Consolidated Net Income for Q4 2025 was -$21.5 million at Prothena Corp Public, up from -$36.5 million in the prior quarter.
  • Over five years, Consolidated Net Income peaked at $109.2 million in Q3 2021 and troughed at -$125.8 million in Q2 2025.
  • A 5-year average of -$28.2 million and a median of -$39.0 million in 2021 define the central range for Consolidated Net Income.
  • Biggest five-year swings in Consolidated Net Income: surged 457.28% in 2021 and later tumbled 1162.62% in 2023.
  • Year by year, Consolidated Net Income stood at -$33.1 million in 2021, then surged by 119.16% to $6.3 million in 2022, then tumbled by 1162.62% to -$67.5 million in 2023, then grew by 14.06% to -$58.0 million in 2024, then surged by 62.85% to -$21.5 million in 2025.
  • Business Quant data shows Consolidated Net Income for PRTA at -$21.5 million in Q4 2025, -$36.5 million in Q3 2025, and -$125.8 million in Q2 2025.