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Prothena Corp Public (PRTA) Invested Capital: 2012-2025

Historic Invested Capital for Prothena Corp Public (PRTA) over the last 13 years, with Sep 2025 value amounting to $295.0 million.

  • Prothena Corp Public's Invested Capital fell 44.80% to $295.0 million in Q3 2025 from the same period last year, while for Sep 2025 it was $295.0 million, marking a year-over-year decrease of 44.80%. This contributed to the annual value of $486.9 million for FY2024, which is 13.26% down from last year.
  • Per Prothena Corp Public's latest filing, its Invested Capital stood at $295.0 million for Q3 2025, which was down 9.05% from $324.3 million recorded in Q2 2025.
  • Prothena Corp Public's 5-year Invested Capital high stood at $622.0 million for Q4 2022, and its period low was $234.6 million during Q1 2021.
  • Moreover, its 3-year median value for Invested Capital was $534.4 million (2024), whereas its average is $502.8 million.
  • Its Invested Capital has fluctuated over the past 5 years, first spiked by 153.28% in 2021, then crashed by 44.80% in 2025.
  • Quarterly analysis of 5 years shows Prothena Corp Public's Invested Capital stood at $466.0 million in 2021, then spiked by 33.47% to $622.0 million in 2022, then decreased by 9.75% to $561.4 million in 2023, then dropped by 13.26% to $486.9 million in 2024, then tumbled by 44.80% to $295.0 million in 2025.
  • Its Invested Capital was $295.0 million in Q3 2025, compared to $324.3 million in Q2 2025 and $437.7 million in Q1 2025.