Growth Metrics

Prothena Corp Public (PRTA) Accumulated Expenses (2016 - 2025)

Prothena Corp Public has reported Accumulated Expenses over the past 14 years, most recently at $13.3 million for Q4 2025.

  • Quarterly results put Accumulated Expenses at $13.3 million for Q4 2025, changed N/A from a year ago — trailing twelve months through Dec 2025 was $13.3 million (changed N/A YoY), and the annual figure for FY2025 was $13.3 million, changed.
  • Accumulated Expenses for Q4 2025 was $13.3 million at Prothena Corp Public, up from $9.5 million in the prior quarter.
  • Over the last five years, Accumulated Expenses for PRTA hit a ceiling of $30.3 million in Q2 2025 and a floor of $5.3 million in Q3 2021.
  • Median Accumulated Expenses over the past 5 years was $11.2 million (2022), compared with a mean of $12.8 million.
  • Biggest five-year swings in Accumulated Expenses: skyrocketed 118.12% in 2022 and later plummeted 42.57% in 2024.
  • Prothena Corp Public's Accumulated Expenses stood at $6.4 million in 2021, then surged by 69.96% to $10.8 million in 2022, then surged by 36.41% to $14.7 million in 2023, then decreased by 29.77% to $10.3 million in 2024, then rose by 28.66% to $13.3 million in 2025.
  • The last three reported values for Accumulated Expenses were $13.3 million (Q4 2025), $9.5 million (Q3 2025), and $30.3 million (Q2 2025) per Business Quant data.