AMTM (Amentum Holdings) Tax Rate %: 30.77% (As of Mar. 2026)


AMTM Amentum Holdings Inc AMTM
16 GF Score
Price $20.23
! 3 Warning Signs
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What is Amentum Holdings Tax Rate %?

Amentum Holdings AMTM -0.10% 16 Tax Rate % is 30.77% as of Mar. 2026. GuruFocus rates AMTM with a GF Score™ of 16/100. The stock has 3 warning signs investors should review.

Tax Rate % is calculated as Tax Expense divided by its Pre-Tax Income. Amentum Holdings's Tax Expense for the three months ended in Mar. 2026 was $24 Mil. Amentum Holdings's Pre-Tax Income for the three months ended in Mar. 2026 was $78 Mil. Therefore, Amentum Holdings's Tax Rate % for the quarter that ended in Mar. 2026 was 30.77%.

Amentum Holdings Tax Rate % Related Terms

Amentum Holdings Tax Rate % Historical Data

* Premium members only.

The historical data trend for Amentum Holdings's Tax Rate % can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Amentum Holdings Tax Rate % Chart

Amentum Holdings Annual Data
Trend Sep21 Sep22 Sep23 Sep24 Sep25
Tax Rate %
29.11 -21.88 5.59 32.52 48.70

Amentum Holdings Quarterly Data
Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Tax Rate % Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 91.67 108.33 -8.82 31.25 30.77
AMTM
16GF Score
Amentum Holdings Inc AMTM
Tax Rate % is just one metric. See GF Score™, valuation, warning signs, and more.
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Amentum Holdings Tax Rate % Calculation

Tax Rate % is the ratio of tax expense divided by pretax income, usually presented in percent.

Amentum Holdings's Tax Rate % for the fiscal year that ended in Sep. 2025 is calculated as

Tax Rate %=Tax Expense (A: Sep. 2025 )/Pre-Tax Income (A: Sep. 2025 )
=56/115
=48.70 %

Amentum Holdings's Tax Rate % for the quarter that ended in Mar. 2026 is calculated as

Tax Rate %=Tax Expense (Q: Mar. 2026 )/Pre-Tax Income (Q: Mar. 2026 )
=24/78
=30.77 %

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Frequently Asked Questions Learn more about Tax Rate % →
What does a Tax Rate % of 30.77% mean?
Amentum Holdings (AMTM) has a Tax Rate % of 30.77% as of Mar. 2026.
Is Amentum Holdings' Tax Rate % too high?
Amentum Holdings' current Tax Rate % is 30.77%. Overall, Amentum Holdings has a GF Score™ of 16/100, reflecting its overall financial health beyond just this single metric.
How does Amentum Holdings' Tax Rate % compare to DLB and UNF?
Amentum Holdings' Tax Rate % of 30.77% can be compared against companies in the Business Services industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Tax Rate % for a Business Services company?
A good Tax Rate % depends on the Business Services industry context. However, Tax Rate % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Tax Rate % mean?
A high Tax Rate % can signal that a stock is expensive relative to its fundamentals. Amentum Holdings's current Tax Rate % is 30.77%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Amentum Holdings stock overvalued right now?
Amentum Holdings (AMTM) has a current Tax Rate % of 30.77%. The current Tax Rate % is 30.77%. Amentum Holdings' overall GF Score™ is 16/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Tax Rate % calculated?
Tax Rate % is calculated from a company's financial statements. For Amentum Holdings (AMTM), the current Tax Rate % is 30.77% as of Mar. 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Amentum Holdings Business Description

Other Exchanges 1AMTM:ItalyZI7:Germany
Address 4800 Westfields Boulevard, Suite No. 400, Chantilly, VA, USA, 20151
Amentum Holdings Inc is an engineering and technology solutions provider serving U.S. and allied government agencies, as well as international and commercial customers across energy and environmental, intelligence, space, defense, civilian and commercial markets. It provides environmental remediation, intelligence and counter-threat solutions, data analytics, engineering and integration, testing, training and citizen services. The company operates through two segments: Digital Solutions, offering digital and data-driven services, and Global Engineering Solutions, providing environmental remediation, nuclear power solutions, platform engineering, sustainment, and supply chain management. majority of its revenue comes from the Global Engineering Solutions segment and from the United States.
16GF Score

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Tax Rate % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$20.23
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