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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 (PRTA) has 13 years of Return on Equity data on record, last reported at 0.85% in Q4 2025.

  • For Q4 2025, Return on Equity changed N/A year-over-year to 0.85%; the TTM value through Dec 2025 reached 0.85%, changed N/A, while the annual FY2025 figure was 0.64%, 40.0% down from the prior year.
  • Return on Equity reached 0.85% in Q4 2025 per PRTA's latest filing, up from 0.91% in the prior quarter.
  • Across five years, Return on Equity topped out at 0.15% in Q1 2022 and bottomed at 0.91% in Q3 2025.
  • Average Return on Equity over 5 years is 0.34%, with a median of 0.24% recorded in 2023.
  • Peak YoY movement for Return on Equity: surged 74bps in 2022, then crashed -36bps in 2023.
  • A 5-year view of Return on Equity shows it stood at 0.59% in 2021, then soared by 99bps to 0.0% in 2022, then plummeted by -6916bps to 0.24% in 2023, then skyrocketed by 60bps to 0.09% in 2024, then tumbled by -804bps to 0.85% in 2025.
  • Per Business Quant database, its latest 3 readings for Return on Equity were 0.85% in Q4 2025, 0.91% in Q3 2025, and 0.09% in Q2 2024.