Balance Sheet
Cash Flow Statement
Daily Values
Growth Metrics
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 Outstanding (Diluted Average)Shares Outstanding (Weighted Average)Tax ProvisionsTax Rate
Others
Ratios

Prothena Corp Public (PRTA) Research & Development (2016 - 2025)

Historic Research & Development for Prothena Corp Public (PRTA) over the last 14 years, with Q3 2025 value amounting to $28.9 million.

  • Prothena Corp Public's Research & Development fell 4294.9% to $28.9 million in Q3 2025 from the same period last year, while for Sep 2025 it was $170.4 million, marking a year-over-year decrease of 2723.73%. This contributed to the annual value of $222.5 million for FY2024, which is 88.32% up from last year.
  • According to the latest figures from Q3 2025, Prothena Corp Public's Research & Development is $28.9 million, which was down 4294.9% from $40.5 million recorded in Q2 2025.
  • Over the past 5 years, Prothena Corp Public's Research & Development peaked at $64.1 million during Q1 2024, and registered a low of $18.0 million during Q3 2021.
  • Moreover, its 5-year median value for Research & Development was $40.5 million (2025), whereas its average is $41.1 million.
  • Per our database at Business Quant, Prothena Corp Public's Research & Development soared by 12154.29% in 2022 and then tumbled by 4294.9% in 2025.
  • Prothena Corp Public's Research & Development (Quarter) stood at $22.1 million in 2021, then skyrocketed by 67.15% to $36.9 million in 2022, then soared by 67.86% to $61.9 million in 2023, then dropped by 18.93% to $50.2 million in 2024, then tumbled by 42.32% to $28.9 million in 2025.
  • Its Research & Development was $28.9 million in Q3 2025, compared to $40.5 million in Q2 2025 and $50.8 million in Q1 2025.