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

Amentum Holdings (AMTM) has 4 years of Tax Rate data on file, last reported at 30.77% in Q2 2026.

• On a quarterly basis, Tax Rate fell 6090.0% year-over-year to 30.77% in Q2 2026; TTM through Apr 2026 was 28.72%, a 37128.0% decrease from a year earlier, with the FY2025 full-year figure at 48.7%, up 1618.0% from the prior year.
• Tax Rate for Q2 2026 stood at 30.77%, down from 31.25% in the prior quarter.
• Over the last five years, Tax Rate for AMTM reached as high as 140.74% in Q3 2024 and fell as low as 90.91% in Q1 2024.
• Historically, Tax Rate has averaged 29.13% across 4 years, with a median of 31.01% in 2026.
• On a YoY basis, Tax Rate climbed as much as 18258 bps in 2025 and fell as far as 14956 bps in 2025.
• Year by year, Tax Rate stood at 56.0% in 2023, then surged by 195 bps to 53.33% in 2024, then slumped by 117 bps to 8.82% in 2025, then surged by 449 bps to 30.77% in 2026.
• Per Business Quant data, the three most recent Tax Rate figures were 30.77% in Q2 2026, 31.25% in Q1 2026, and 8.82% in Q4 2025.