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Prothena Corp Public (PRTA) Tax Provisions (2016 - 2025)

Historic Tax Provisions for Prothena Corp Public (PRTA) over the last 14 years, with Q3 2025 value amounting to -$400000.0.

  • Prothena Corp Public's Tax Provisions rose 5209.58% to -$400000.0 in Q3 2025 from the same period last year, while for Sep 2025 it was $41.7 million, marking a year-over-year increase of 60726.54%. This contributed to the annual value of -$6.6 million for FY2024, which is 5078.8% up from last year.
  • Per Prothena Corp Public's latest filing, its Tax Provisions stood at -$400000.0 for Q3 2025, which was up 5209.58% from $44.8 million recorded in Q2 2025.
  • Prothena Corp Public's Tax Provisions' 5-year high stood at $44.8 million during Q2 2025, with a 5-year trough of -$4.3 million in Q2 2023.
  • Its 5-year average for Tax Provisions is $1.0 million, with a median of -$1.5 million in 2024.
  • In the last 5 years, Prothena Corp Public's Tax Provisions soared by 245000.0% in 2021 and then tumbled by 652608.7% in 2022.
  • Prothena Corp Public's Tax Provisions (Quarter) stood at $46000.0 in 2021, then plummeted by 6526.09% to -$3.0 million in 2022, then decreased by 6.29% to -$3.1 million in 2023, then surged by 51.62% to -$1.5 million in 2024, then soared by 73.68% to -$400000.0 in 2025.
  • Its Tax Provisions was -$400000.0 in Q3 2025, compared to $44.8 million in Q2 2025 and -$1.2 million in Q1 2025.