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Prothena Corp Public (PRTA) Research & Development (2016 - 2025)

Prothena Corp Public (PRTA) has 14 years of Research & Development data on record, last reported at $14.6 million in Q4 2025.

  • For Q4 2025, Research & Development fell 70.93% year-over-year to $14.6 million; the TTM value through Dec 2025 reached $134.9 million, down 39.4%, while the annual FY2025 figure was $134.9 million, 39.4% down from the prior year.
  • Research & Development reached $14.6 million in Q4 2025 per PRTA's latest filing, down from $28.9 million in the prior quarter.
  • Across five years, Research & Development topped out at $64.1 million in Q1 2024 and bottomed at $14.6 million in Q4 2025.
  • Average Research & Development over 5 years is $39.8 million, with a median of $40.2 million recorded in 2022.
  • Peak YoY movement for Research & Development: surged 121.54% in 2022, then crashed 70.93% in 2025.
  • A 5-year view of Research & Development shows it stood at $22.1 million in 2021, then soared by 67.15% to $36.9 million in 2022, then surged by 67.86% to $61.9 million in 2023, then dropped by 18.93% to $50.2 million in 2024, then plummeted by 70.93% to $14.6 million in 2025.
  • Per Business Quant database, its latest 3 readings for Research & Development were $14.6 million in Q4 2025, $28.9 million in Q3 2025, and $40.5 million in Q2 2025.