Amentum Holdings AMTM
NYSE AMTM
$21.49 +0.88 (+4.27%)
At close: Aug 21, 2026 · 4:00 PM EDT

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

Amentum Holdings (AMTM) posted quarterly Tax Rate of 30.77% for Q2 2026, down 6090.0% year-over-year from 0.51% in Q2 2025, and down 1.54% quarter-over-quarter from 31.25% in Q1 2026.

Amentum Holdings (AMTM) Tax Rate (2023 - 2026) Analysis & Trends

Amentum Holdings (AMTM) has reported Tax Rate for 4 consecutive years, with 30.77% the latest figure, recorded in Q2 2026.

  • In Q2 2026, Tax Rate fell 6090.0% year-over-year to 30.77%; the TTM figure through Apr 2026 stood at 28.72% (down 37128.0% YoY), while the FY2025 annual figure was 48.7%, up 1618.0% from the prior year.
  • Tax Rate declined to 30.77% in Q2 2026 per AMTM's latest filing, from 31.25% in the prior quarter.
  • Across five years, Tax Rate topped out at 140.74% in Q3 2024 and bottomed at 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.
  • Amentum Holdings' Tax Rate stood at 56.0% in 2023, then soared by 195 bps to 53.33% in 2024, then slumped by 117 bps to 8.82% in 2025, then soared by 449 bps to 30.77% in 2026.
  • Business Quant data shows AMTM's Tax Rate at 30.77% in Q2 2026, 31.25% in Q1 2026, and 8.82% in Q4 2025.

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Tax Rate (Qtr)
1 Cintas 81.84 Bn 81.56 Bn 1.48 Bn 21.20%
2 Relx 65.92 Bn 65.74 Bn - -
3 Copart 31.68 Bn 28.33 Bn 732.88 Mn 20.06%
4 Global Payments 25.34 Bn 19.93 Bn 2.03 Bn -4.72%
5 Rb Global 16.15 Bn 15.62 Bn 935.50 Mn 22.80%
6 Aramark 15.72 Bn 15.22 Bn 430.34 Mn 27.92%
7 UL Solutions 15.16 Bn 14.72 Bn 417.00 Mn 24.85%
8 Rentokil Initial 11.92 Bn 9.40 Bn - -
9 Dolby Laboratories 6.14 Bn 5.47 Bn 264.68 Mn 33.33%
10 Amentum Holdings 5.24 Bn 4.78 Bn 360.00 Mn 29.79%

Historic Data

Download Data
DateValue
Jul 3, 2026 29.79%
Jul 3, 2026 29.79%
Jul 3, 2026 29.79%
Apr 3, 2026 30.77%
Apr 3, 2026 30.77%
Apr 3, 2026 30.77%
Jan 2, 2026 31.25%
Jan 2, 2026 31.25%
Jan 2, 2026 31.25%
Oct 3, 2025 -8.82%
Oct 3, 2025 -8.82%
Oct 3, 2025 -8.82%
Jun 27, 2025 108.33%
Jun 27, 2025 108.33%
Jun 27, 2025 108.33%
Mar 28, 2025 91.67%
Mar 28, 2025 91.67%
Mar 28, 2025 91.67%
Dec 27, 2024 53.33%
Dec 27, 2024 53.33%