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

Prothena Corp Public (PRTA) has 14 years of Operating Expenses data on record, last reported at $24.2 million in Q4 2025.

  • For Q4 2025, Operating Expenses fell 63.86% year-over-year to $24.2 million; the TTM value through Dec 2025 reached $224.3 million, down 22.57%, while the annual FY2025 figure was $224.3 million, 22.57% down from the prior year.
  • Operating Expenses reached $24.2 million in Q4 2025 per PRTA's latest filing, down from $42.7 million in the prior quarter.
  • Across five years, Operating Expenses topped out at $89.0 million in Q2 2025 and bottomed at $24.2 million in Q4 2025.
  • Average Operating Expenses over 5 years is $55.5 million, with a median of $55.2 million recorded in 2022.
  • Peak YoY movement for Operating Expenses: soared 73.14% in 2022, then plummeted 63.86% in 2025.
  • A 5-year view of Operating Expenses shows it stood at $34.3 million in 2021, then skyrocketed by 45.91% to $50.0 million in 2022, then surged by 57.68% to $78.8 million in 2023, then dropped by 14.98% to $67.0 million in 2024, then tumbled by 63.86% to $24.2 million in 2025.
  • Per Business Quant database, its latest 3 readings for Operating Expenses were $24.2 million in Q4 2025, $42.7 million in Q3 2025, and $89.0 million in Q2 2025.