Growth Metrics

Prothena Corp Public (PRTA) EBT Margin (2016 - 2025)

Prothena Corp Public (PRTA) has 14 years of EBT Margin data on record, last reported at 102757.14% in Q4 2025.

  • For Q4 2025, EBT Margin fell 9995446.0% year-over-year to 102757.14%; the TTM value through Dec 2025 reached 2073.82%, down 197843.0%, while the annual FY2025 figure was 2073.82%, 197843.0% down from the prior year.
  • EBT Margin reached 102757.14% in Q4 2025 per PRTA's latest filing, down from 1528.45% in the prior quarter.
  • Across five years, EBT Margin topped out at 78.46% in Q3 2021 and bottomed at 148880.0% in Q1 2024.
  • Average EBT Margin over 5 years is 16232.18%, with a median of 2548.78% recorded in 2023.
  • Peak YoY movement for EBT Margin: crashed -14658512bps in 2024, then soared 14670981bps in 2025.
  • A 5-year view of EBT Margin shows it stood at 2823.89% in 2021, then soared by 100bps to 6.7% in 2022, then tumbled by -333628bps to 22347.47% in 2023, then soared by 87bps to 2802.68% in 2024, then tumbled by -3566bps to 102757.14% in 2025.
  • Per Business Quant database, its latest 3 readings for EBT Margin were 102757.14% in Q4 2025, 1528.45% in Q3 2025, and 1831.79% in Q2 2025.