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Amentum Holdings (AMTM) Tax Rate (2023 - 2026)

Historic Tax Rate for Amentum Holdings (AMTM) over the last 4 years, with Q1 2026 value amounting to 31.25%.

  • Amentum Holdings' Tax Rate fell 220800.0% to 31.25% in Q1 2026 from the same period last year, while for Jan 2026 it was 38.81%, marking a year-over-year decrease of 178000.0%. This contributed to the annual value of 48.7% for FY2025, which is 161800.0% up from last year.
  • Amentum Holdings' Tax Rate amounted to 31.25% in Q1 2026, which was down 220800.0% from 8.82% recorded in Q4 2025.
  • In the past 5 years, Amentum Holdings' Tax Rate ranged from a high of 140.74% in Q3 2024 and a low of 90.91% during Q1 2024
  • Moreover, its 4-year median value for Tax Rate was 31.25% (2026), whereas its average is 28.94%.
  • Over the last 5 years, Amentum Holdings' Tax Rate had its largest YoY gain of 1825800bps in 2025, and its largest YoY loss of -1495600bps in 2025.
  • Amentum Holdings' Tax Rate (Quarter) stood at 56.0% in 2023, then skyrocketed by 195bps to 53.33% in 2024, then tumbled by -117bps to 8.82% in 2025, then soared by 454bps to 31.25% in 2026.
  • Its last three reported values are 31.25% in Q1 2026, 8.82% for Q4 2025, and 108.33% during Q2 2025.