Growth Metrics

Prothena Corp Public (PRTA) Equity Average (2016 - 2025)

Historic Equity Average for Prothena Corp Public (PRTA) over the last 13 years, with Q3 2025 value amounting to $309.7 million.

  • Prothena Corp Public's Equity Average fell 4451.92% to $309.7 million in Q3 2025 from the same period last year, while for Sep 2025 it was $309.7 million, marking a year-over-year decrease of 4451.92%. This contributed to the annual value of $524.1 million for FY2024, which is 1141.75% down from last year.
  • Per Prothena Corp Public's latest filing, its Equity Average stood at $309.7 million for Q3 2025, which was down 4451.92% from $381.0 million recorded in Q2 2025.
  • Prothena Corp Public's 5-year Equity Average high stood at $614.7 million for Q1 2023, and its period low was $209.3 million during Q1 2021.
  • Its 5-year average for Equity Average is $464.6 million, with a median of $478.3 million in 2021.
  • Its Equity Average has fluctuated over the past 5 years, first skyrocketed by 14306.59% in 2021, then crashed by 4451.92% in 2025.
  • Over the past 5 years, Prothena Corp Public's Equity Average (Quarter) stood at $478.3 million in 2021, then increased by 7.34% to $513.3 million in 2022, then rose by 14.8% to $589.3 million in 2023, then dropped by 13.35% to $510.6 million in 2024, then plummeted by 39.36% to $309.7 million in 2025.
  • Its Equity Average was $309.7 million in Q3 2025, compared to $381.0 million in Q2 2025 and $462.3 million in Q1 2025.