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Asset Utilization RatioAssets AverageEBIT MarginEBITDA MarginEBT MarginEnterprise ValueEquity AverageEquity RatioFCF MarginInvested CapitalNet MarginOperating MarginReturn on AssetsReturn on Capital EmployedReturn on EquityReturn on Invested CapitalReturn on Sales

Prothena Corp Public (PRTA) Return on Equity (2016 - 2025)

Prothena Corp Public has reported Return on Equity over the past 13 years, most recently at 0.01% for Q4 2025.

  • For Q4 2025, Return on Equity fell 1.0% year-over-year to 0.01%; the TTM value through Dec 2025 reached 0.01%, down 1.0%, while the annual FY2025 figure was 0.01%, 0.0% changed from the prior year.
  • Return on Equity for Q4 2025 was 0.01% at Prothena Corp Public, up from 0.01% in the prior quarter.
  • Over five years, Return on Equity peaked at 0.0% in Q3 2021 and troughed at 0.01% in Q3 2025.
  • A 5-year average of 0.0% and a median of 0.0% in 2023 define the central range for Return on Equity.
  • Biggest five-year swings in Return on Equity: grew 1bps in 2021 and later fell -1bps in 2022.
  • Year by year, Return on Equity stood at 0.0% in 2021, then tumbled by -263bps to 0.0% in 2022, then dropped by -10bps to 0.0% in 2023, then rose by 4bps to 0.0% in 2024, then plummeted by -254bps to 0.01% in 2025.
  • Business Quant data shows Return on Equity for PRTA at 0.01% in Q4 2025, 0.01% in Q3 2025, and 0.01% in Q2 2025.