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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 Rate
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Prothena Corp Public (PRTA) EPS (Basic) (2016 - 2025)

Prothena Corp Public (PRTA) has 14 years of EPS (Basic) data on record, last reported at -$0.4 in Q4 2025.

  • For Q4 2025, EPS (Basic) rose 62.62% year-over-year to -$0.4; the TTM value through Dec 2025 reached -$4.53, down 99.56%, while the annual FY2025 figure was -$4.53, 99.56% down from the prior year.
  • EPS (Basic) reached -$0.4 in Q4 2025 per PRTA's latest filing, up from -$0.68 in the prior quarter.
  • Across five years, EPS (Basic) topped out at $2.39 in Q3 2021 and bottomed at -$2.33 in Q2 2025.
  • Average EPS (Basic) over 5 years is -$0.53, with a median of -$0.88 recorded in 2022.
  • Peak YoY movement for EPS (Basic): skyrocketed 410.39% in 2021, then tumbled 887.5% in 2023.
  • A 5-year view of EPS (Basic) shows it stood at -$0.59 in 2021, then soared by 127.12% to $0.16 in 2022, then crashed by 887.5% to -$1.26 in 2023, then grew by 15.08% to -$1.07 in 2024, then soared by 62.62% to -$0.4 in 2025.
  • Per Business Quant database, its latest 3 readings for EPS (Basic) were -$0.4 in Q4 2025, -$0.68 in Q3 2025, and -$2.33 in Q2 2025.