Prothena Corp Public (PRTA) Tax Provisions (2012 - 2026)

Prothena Corp Public's (PRTA) quarterly Tax Provisions came in at $1000.0 in Q1 2026, up 100.08% year-on-year from $499.79 in Q1 2025, and up 102.7% quarter-over-quarter from -$37000.0 in Q4 2025.

Prothena Corp Public (PRTA) Tax Provisions (2012 - 2026) Analysis & Trends

Prothena Corp Public's Tax Provisions history runs 15 years deep, the most recent figure standing at $1000.0 for Q1 2026.

  • On a quarterly basis, Tax Provisions rose 100.08% year-over-year to $1000.0 in Q1 2026; TTM through Mar 2026 was $44.4 million, a 906.95% increase from a year earlier, with the FY2025 full-year figure at $43.3 million, up 753.52% from the prior year.
  • Tax Provisions climbed to $1000.0 in Q1 2026 per PRTA's latest filing, from -$37000.0 in the prior quarter.
  • Across five years, Tax Provisions topped out at $44.8 million in Q2 2025 and bottomed at -$4.3 million in Q2 2023.
  • The 5-year median for Tax Provisions is -$1.7 million (2022), against an average of $855882.4.
  • Across the five-year window, Tax Provisions slumped 6630.43% in 2022 and jumped 2340.1% in 2025, its largest moves.
  • Year by year, Tax Provisions stood at -$3.0 million in 2022, then fell by 4.59% to -$3.1 million in 2023, then jumped by 51.62% to -$1.5 million in 2024, then surged by 97.57% to -$37000.0 in 2025, then jumped by 102.7% to $1000.0 in 2026.
  • Per Business Quant, the three latest PRTA Tax Provisions figures stand at $1000.0 (Q1 2026), -$37000.0 (Q4 2025), and -$400000.0 (Q3 2025).

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Taxes (Qtr)
1 Oculis Holding AG 67,072.09 Bn 67,072.09 Bn - 125,146.46
2 Nanobiotix 1,894.61 Bn 1,894.55 Bn - -
3 Akari Therapeutics 1,014.18 Bn 1,014.18 Bn - -859,000.00
4 BeOne Medicines 471.64 Bn 466.85 Bn 1.35 Bn 31.86 Mn
5 Vertex Pharmaceuticals 121.72 Bn 114.47 Bn 2.59 Bn 221.50 Mn
6 Regeneron Pharmaceuticals 68.28 Bn 59.52 Bn 3.31 Bn 104.00 Mn
7 Belite Bio 61.40 Bn 61.40 Bn - -
8 Argenx Se 56.94 Bn 56.94 Bn 1.18 Bn -60.00 Mn
9 Revolution Medicines 37.37 Bn 37.37 Bn - -
10 Prothena Corp Public 467.80 Mn 138.33 Mn - 1,000.00

Historic Data

Download Data
DateValue
Mar 31, 2026 1,000.00
Dec 31, 2025 -37,000.00
Sep 30, 2025 -400,000.00
Jun 30, 2025 44.80 Mn
Mar 31, 2025 -1.18 Mn
Dec 31, 2024 -1.52 Mn
Sep 30, 2024 -800,000.00
Jun 30, 2024 -2.00 Mn
Mar 31, 2024 -2.20 Mn
Dec 31, 2023 -3.14 Mn
Sep 30, 2023 -3.10 Mn
Jun 30, 2023 -4.30 Mn
Mar 31, 2023 -2.90 Mn
Dec 31, 2022 -3.00 Mn
Sep 30, 2022 -2.70 Mn
Jun 30, 2022 -1.30 Mn
Mar 31, 2022 -1.67 Mn
Dec 31, 2021 46,000.00
Sep 30, 2021 -51,000.00
Jun 30, 2021 300,000.00