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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 Outstanding (Diluted Average)Shares Outstanding (Weighted Average)Tax ProvisionsTax Rate
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Prothena Corp Public (PRTA) EPS (Basic) (2016 - 2025)

Prothena Corp Public has reported EPS (Basic) over the past 14 years, most recently at -$0.4 for Q4 2025.

  • Quarterly results put EPS (Basic) at -$0.4 for Q4 2025, up 62.62% from a year ago — trailing twelve months through Dec 2025 was -$4.54 (down 100.0% YoY), and the annual figure for FY2025 was -$4.53, down 99.56%.
  • EPS (Basic) for Q4 2025 was -$0.4 at Prothena Corp Public, up from -$0.68 in the prior quarter.
  • Over the last five years, EPS (Basic) for PRTA hit a ceiling of $2.39 in Q3 2021 and a floor of -$2.34 in Q2 2025.
  • Median EPS (Basic) over the past 5 years was -$0.88 (2022), compared with a mean of -$0.54.
  • Biggest five-year swings in EPS (Basic): soared 410.39% in 2021 and later plummeted 887.5% in 2023.
  • Prothena Corp Public's EPS (Basic) stood at -$0.8 in 2021, then soared by 120.0% to $0.16 in 2022, then plummeted by 887.5% to -$1.26 in 2023, then increased by 15.08% to -$1.07 in 2024, then skyrocketed by 62.62% to -$0.4 in 2025.
  • The last three reported values for EPS (Basic) were -$0.4 (Q4 2025), -$0.68 (Q3 2025), and -$2.34 (Q2 2025) per Business Quant data.