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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) EBT Margin (2016 - 2025)

Prothena Corp Public has reported EBT Margin over the past 14 years, most recently at 102757.14% for Q4 2025.

  • Quarterly results put EBT Margin at 102757.14% for Q4 2025, down 9995446.0% from a year ago — trailing twelve months through Dec 2025 was 2073.82% (down 197843.0% YoY), and the annual figure for FY2025 was 2073.82%, down 197843.0%.
  • EBT Margin for Q4 2025 was 102757.14% at Prothena Corp Public, down from 1528.45% in the prior quarter.
  • Over the last five years, EBT Margin for PRTA hit a ceiling of 78.46% in Q3 2021 and a floor of 148880.0% in Q1 2024.
  • Median EBT Margin over the past 5 years was 2548.78% (2023), compared with a mean of 16232.18%.
  • Biggest five-year swings in EBT Margin: tumbled -14658512bps in 2024 and later surged 14670981bps in 2025.
  • Prothena Corp Public's EBT Margin stood at 2823.89% in 2021, then skyrocketed by 100bps to 6.7% in 2022, then crashed by -333628bps to 22347.47% in 2023, then skyrocketed by 87bps to 2802.68% in 2024, then crashed by -3566bps to 102757.14% in 2025.
  • The last three reported values for EBT Margin were 102757.14% (Q4 2025), 1528.45% (Q3 2025), and 1831.79% (Q2 2025) per Business Quant data.