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MTU Aero Engines AGMTUAF +0.19%89 Debt-to-Equity is 0.47 as of Jun. 2026, which is 7% above its 10-year median of 0.44. GuruFocus rates MTUAF with a GF Score™ of 89/100 and a GF Value™ of $474.45 (Fairly Valued). The stock has 3 warning signs investors should review. Among 313 Aerospace & Defense companies, MTU Aero Engines AG ranks worse than 62.3% on this metric.
A high debt to equity ratio generally means that a company has been aggressive in financing its growth with debt. This can result in volatile earnings as a result of the additional interest expense.
The historical rank and industry rank for MTU Aero Engines AG's Debt-to-Equity or its related term are showing as below:
MTUAF'
s Debt-to-Equity Range Over the Past 10 Years
Min: 0.04 Med: 0.44 Max: 0.72
Current: 0.47
During the past 13 years, the highest Debt-to-Equity Ratio of MTU Aero Engines AG was 0.72. The lowest was 0.04. And the median was 0.44.
MTUAF's Debt-to-Equity is ranked worse than 62.3% of 313
companies
in the Aerospace & Defense industry
Industry Median: 0.32
vs MTUAF: 0.47
Because a company can increase its ROE % by having more financial leverage, it is important to watch the leverage ratio when investing in high ROE % companies.
MTU Aero Engines AG Debt-to-Equity Related Terms
MTU Aero Engines AG Debt-to-Equity Historical Data
* Premium members only.
The historical data trend for MTU Aero Engines AG's Debt-to-Equity 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.
For the Aerospace & Defense subindustry, MTU Aero Engines AG's Debt-to-Equity, along with its competitors' market caps and Debt-to-Equity 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.
MTU Aero Engines AG Debt-to-Equity vs Aerospace & Defense Industry
For the Aerospace & Defense industry and Industrials sector, MTU Aero Engines AG's Debt-to-Equity distribution charts can be found below:
* The bar in red indicates where MTU Aero Engines AG's Debt-to-Equity falls into.
* 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.
MTU Aero Engines AG (MTUAF) has a Debt-to-Equity of 0.47 as of Jun. 2026. Debt-to-Equity ratio represents the ratio of total debt to total company equity. View historical data on MTU Aero Engines AG and its competitors. This is near median its historical median of 0.44. Over the past decade, MTU Aero Engines AG's Debt-to-Equity has ranged from 0.04 to 0.72. According to the industry distribution chart, MTU Aero Engines AG ranks #195 out of 313 companies in the Aerospace & Defense industry, placing it in the top 62.3%.
Is MTU Aero Engines AG's Debt-to-Equity too high?
MTU Aero Engines AG's current Debt-to-Equity of 0.47 is near median its 10-year median of 0.44. Over the past 10 years, this metric has ranged from a low of 0.04 to a high of 0.72. The Aerospace & Defense industry median Debt-to-Equity is 0.32. MTU Aero Engines AG's value of 0.47 is 46.9% above this industry median. Based on the distribution chart, MTU Aero Engines AG ranks #195 out of 313 companies in the Aerospace & Defense industry, which is below the industry midpoint. Overall, MTU Aero Engines AG has a GF Score™ of 89/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does MTU Aero Engines AG's Debt-to-Equity compare to SPCX and GE?
According to the Aerospace & Defense industry distribution chart, MTU Aero Engines AG ranks #195 out of 313 companies for Debt-to-Equity. This places MTU Aero Engines AG in the lower half of its industry. The industry median Debt-to-Equity is 0.32. MTU Aero Engines AG's value of 0.47 is 46.9% above this benchmark. Historically, MTU Aero Engines AG's own Debt-to-Equity has ranged from 0.04 to 0.72 over the past decade. While the company's 10-year median is 0.44 vs. the industry median of 0.32, MTU Aero Engines AG has consistently been above the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Debt-to-Equity for an Aerospace & Defense company?
The median Debt-to-Equity among Aerospace & Defense companies is 0.32, based on 313 companies in the industry. Companies in the top quartile (top 25%) have a Debt-to-Equity significantly above this median, while those in the bottom quartile fall well below. However, Debt-to-Equity should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. MTU Aero Engines AG's current Debt-to-Equity of 0.47 is 46.9% above the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Debt-to-Equity mean?
A high Debt-to-Equity can signal that a stock is expensive relative to its fundamentals. Debt-to-Equity ratio represents the ratio of total debt to total company equity. View historical data on MTU Aero Engines AG and its competitors. For the Aerospace & Defense industry, the median Debt-to-Equity is 0.32 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. MTU Aero Engines AG's current Debt-to-Equity is 0.47, which is near median its own 10-year median of 0.44. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is MTU Aero Engines AG stock overvalued right now?
Based on GuruFocus' analysis, MTU Aero Engines AG (MTUAF) is currently considered Fairly Valued. The stock's GF Value™ is $474.45, compared to a current price of $432.96 — trading 8.7% below its estimated fair value. The current Debt-to-Equity is 0.47, which is near median its 10-year median of 0.44 and 46.9% above the Aerospace & Defense industry median of 0.32. MTU Aero Engines AG's overall GF Score™ is 89/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Debt-to-Equity calculated?
Debt-to-Equity is calculated from a company's financial statements. For MTU Aero Engines AG (MTUAF), the current Debt-to-Equity is 0.47 as of Jun. 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.
Is MTU Aero Engines AG (MTUAF) Overvalued in 2026?
Based on GuruFocus' analysis, MTU Aero Engines AG stock appears to be undervalued.
The current stock price of $432.96 is trading 8.7% below its estimated GF Value™ of $474.45.
GuruFocus considers MTU Aero Engines AG to be Fairly Valued.
Key valuation signals for MTUAF:
Debt-to-Equity: 0.47 (near median its 10-year median of 0.44)
GF Value™: $474.45 vs. price of $432.96 (8.7% below fair value)
Industry Position: 46.9% above the Aerospace & Defense median (#195 of 313)
No single metric tells the full story. See the MTUAF stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
MTU Aero Engines specializes in the development and production of commercial and military aircraft engine components and spare parts. It also performs maintenance, repair, and overhaul services for aircraft engines. More than 30% of commercial aircraft have MTU technology on board. The company is a major assembler of aircraft engines. The commercial and military engine segment develops and manufactures engine components for new engine production and spare parts for the aftermarket. The commercial maintenance business reports MTU's MRO services.
89GF Score
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