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

Prothena Corp Public has reported Tax Provisions over the past 14 years, most recently at -$37000.0 for Q4 2025.

  • Quarterly results put Tax Provisions at -$37000.0 for Q4 2025, up 97.57% from a year ago — trailing twelve months through Dec 2025 was $43.2 million (up 757.97% YoY), and the annual figure for FY2025 was $43.3 million, up 753.52%.
  • Tax Provisions for Q4 2025 was -$37000.0 at Prothena Corp Public, up from -$400000.0 in the prior quarter.
  • Over the last five years, Tax Provisions for PRTA hit a ceiling of $44.8 million in Q2 2025 and a floor of -$4.3 million in Q2 2023.
  • Median Tax Provisions over the past 5 years was -$1.4 million (2022), compared with a mean of $967600.0.
  • Biggest five-year swings in Tax Provisions: surged 2907.23% in 2021 and later plummeted 6630.43% in 2022.
  • Prothena Corp Public's Tax Provisions stood at $46000.0 in 2021, then plummeted by 6630.43% to -$3.0 million in 2022, then fell by 4.93% to -$3.2 million in 2023, then surged by 51.78% to -$1.5 million in 2024, then soared by 97.57% to -$37000.0 in 2025.
  • The last three reported values for Tax Provisions were -$37000.0 (Q4 2025), -$400000.0 (Q3 2025), and $44.8 million (Q2 2025) per Business Quant data.