AMTM (Amentum Holdings) Effective Interest Rate on Debt %: 7.43% (As of Mar. 2026)


AMTM Amentum Holdings Inc AMTM
16 GF Score
Price $20.29
! 3 Warning Signs
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What is Amentum Holdings Effective Interest Rate on Debt %?

Amentum Holdings AMTM +0.20% 16 Effective Interest Rate on Debt % is 7.43% as of Mar. 2026. GuruFocus rates AMTM with a GF Score™ of 16/100. The stock has 3 warning signs investors should review.

Effective Interest Rate on Debt % is the usage rate that a borrower actually pays on a debt. It is calculated as the positive value of Interest Expense divided by its average total debt. Total debt equals to Long-Term Debt & Capital Lease Obligation plus Short-Term Debt & Capital Lease Obligation. Amentum Holdings's annualized positive value of Interest Expense for the quarter that ended in Mar. 2026 was $292 Mil. Amentum Holdings's average total debt for the quarter that ended in Mar. 2026 was $3,931 Mil. Therefore, Amentum Holdings's annualized Effective Interest Rate on Debt % for the quarter that ended in Mar. 2026 was 7.43%.


Amentum Holdings  (NYSE:AMTM) Effective Interest Rate on Debt % Explanation

Effective Interest Rate on Debt % measures the usage rate that a borrower actually pays on a debt.


Amentum Holdings Effective Interest Rate on Debt % Related Terms


Amentum Holdings Effective Interest Rate on Debt % Historical Data

* Premium members only.

The historical data trend for Amentum Holdings's Effective Interest Rate on Debt % 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 Effective Interest Rate on Debt % Chart

Amentum Holdings Annual Data
Trend Sep21 Sep22 Sep23 Sep24 Sep25
Effective Interest Rate on Debt %
0.00 126.45 17.83 9.45 7.75

Amentum Holdings Quarterly Data
Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Effective Interest Rate on Debt % 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 7.35 7.68 8.51 7.31 7.43

AMTM vs DLB, UNF, AZZ: Effective Interest Rate on Debt % Comparison

For the Specialty Business Services subindustry, Amentum Holdings's Effective Interest Rate on Debt %, along with its competitors' market caps and Effective Interest Rate on Debt % data, can be viewed below:

* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.


Amentum Holdings Effective Interest Rate on Debt % vs Business Services Industry

For the Business Services industry and Industrials sector, Amentum Holdings's Effective Interest Rate on Debt % distribution charts can be found below:

* The bar in red indicates where Amentum Holdings's Effective Interest Rate on Debt % falls into.


AMTM
16GF Score
Amentum Holdings Inc AMTM
Effective Interest Rate on Debt % is just one metric. See GF Score™, valuation, warning signs, and more.
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Amentum Holdings Effective Interest Rate on Debt % Calculation

Amentum Holdings's annualized Effective Interest Rate on Debt % for the fiscal year that ended in Sep. 2025 is calculated as

Effective Interest Rate on Debt %
=-1  *  Interest Expense/( (Total Debt  (A: Sep. 2024 )+Total Debt  (A: Sep. 2025 ))/ count )
=-1  *  -353/( (4939+4167)/ 2 )
=-1  *  -353/4553
=7.75 %

where

Amentum Holdings's annualized Effective Interest Rate on Debt % for the quarter that ended in Mar. 2026 is calculated as

Effective Interest Rate on Debt %
=-1  *  Interest Expense/( (Total Debt  (Q: Dec. 2025 )+Total Debt  (Q: Mar. 2026 ))/ count )
=-1  *  -292/( (3935+3927)/ 2 )
=-1  *  -292/3931
=7.43 %

where

* 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.

In the calculation of annual Effective Interest Rate on Debt %, the Interest Expense of the last fiscal year and the average total debt over the fiscal year are used. In calculating the quarterly data, the Interest Expense data used here is four times the quarterly (Mar. 2026) interest expense data. Effective Interest Rate on Debt % is displayed in the 30-year financial page.

What does a Effective Interest Rate on Debt % of 7.43% mean?
Amentum Holdings (AMTM) has a Effective Interest Rate on Debt % of 7.43% as of Mar. 2026. Effective interest rate on debt is the rate a company actually pays on its debt. View historical data on Amentum Holdings and its competitors.
Is Amentum Holdings' Effective Interest Rate on Debt % too high?
Amentum Holdings' current Effective Interest Rate on Debt % is 7.43%. Overall, Amentum Holdings has a GF Score™ of 16/100, reflecting its overall financial health beyond just this single metric.
How does Amentum Holdings' Effective Interest Rate on Debt % compare to DLB and UNF?
Amentum Holdings' Effective Interest Rate on Debt % of 7.43% 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 Effective Interest Rate on Debt % for a Business Services company?
A good Effective Interest Rate on Debt % depends on the Business Services industry context. However, Effective Interest Rate on Debt % 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 Effective Interest Rate on Debt % mean?
A high Effective Interest Rate on Debt % can signal that a stock is expensive relative to its fundamentals. Effective interest rate on debt is the rate a company actually pays on its debt. View historical data on Amentum Holdings and its competitors. Amentum Holdings's current Effective Interest Rate on Debt % is 7.43%. 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 Effective Interest Rate on Debt % of 7.43%. The current Effective Interest Rate on Debt % is 7.43%. 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 Effective Interest Rate on Debt % calculated?
Effective Interest Rate on Debt % is calculated from a company's financial statements. For Amentum Holdings (AMTM), the current Effective Interest Rate on Debt % is 7.43% 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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Effective Interest Rate on Debt % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

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