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Mercury SystemsMRCY -6.67%62 Debt-to-Equity is 0.33 as of Jun. 2026, which is at its 10-year median of 0.33. GuruFocus rates MRCY with a GF Score™ of 62/100 and a GF Value™ of $48.16 (Significantly Overvalued). The stock has 4 warning signs investors should review. Among 314 Aerospace & Defense companies, Mercury Systems ranks worse than 51.59% 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 Mercury Systems's Debt-to-Equity or its related term are showing as below:
MRCY'
s Debt-to-Equity Range Over the Past 10 Years
Min: 0.05 Med: 0.33 Max: 0.44
Current: 0.33
During the past 13 years, the highest Debt-to-Equity Ratio of Mercury Systems was 0.44. The lowest was 0.05. And the median was 0.33.
MRCY's Debt-to-Equity is ranked worse than 51.59% of 314
companies
in the Aerospace & Defense industry
Industry Median: 0.3
vs MRCY: 0.33
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.
Mercury Systems Debt-to-Equity Related Terms
Mercury Systems Debt-to-Equity Historical Data
* Premium members only.
The historical data trend for Mercury Systems'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.
MRCY vs KRMN, LOAR, VSEC: Debt-to-Equity Comparison
For the Aerospace & Defense subindustry, Mercury Systems'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.
Mercury Systems Debt-to-Equity vs Aerospace & Defense Industry
For the Aerospace & Defense industry and Industrials sector, Mercury Systems's Debt-to-Equity distribution charts can be found below:
* The bar in red indicates where Mercury Systems'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.
Mercury Systems (MRCY) has a Debt-to-Equity of 0.33 as of Jun. 2026. Debt-to-Equity ratio represents the ratio of total debt to total company equity. View historical data on Mercury Systems and its competitors. This is near median its historical median of 0.33. Over the past decade, Mercury Systems' Debt-to-Equity has ranged from 0.05 to 0.44. According to the industry distribution chart, Mercury Systems ranks #162 out of 314 companies in the Aerospace & Defense industry, placing it in the top 51.6%.
Is Mercury Systems' Debt-to-Equity too high?
Mercury Systems' current Debt-to-Equity of 0.33 is near median its 10-year median of 0.33. Over the past 10 years, this metric has ranged from a low of 0.05 to a high of 0.44. The Aerospace & Defense industry median Debt-to-Equity is 0.30. Mercury Systems' value of 0.33 is 10% above this industry median. Based on the distribution chart, Mercury Systems ranks #162 out of 314 companies in the Aerospace & Defense industry, which is below the industry midpoint. Overall, Mercury Systems has a GF Score™ of 62/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Mercury Systems' Debt-to-Equity compare to KRMN and LOAR?
According to the Aerospace & Defense industry distribution chart, Mercury Systems ranks #162 out of 314 companies for Debt-to-Equity. This places Mercury Systems in the lower half of its industry. The industry median Debt-to-Equity is 0.30. Mercury Systems' value of 0.33 is 10% above this benchmark. Historically, Mercury Systems' own Debt-to-Equity has ranged from 0.05 to 0.44 over the past decade. While the company's 10-year median is 0.33 vs. the industry median of 0.30, Mercury Systems 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 0.30, based on 314 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. Mercury Systems's current Debt-to-Equity of 0.33 is 10% 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 Mercury Systems and its competitors. For the Aerospace & Defense industry, the median Debt-to-Equity is 0.30 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Mercury Systems's current Debt-to-Equity is 0.33, which is near median its own 10-year median of 0.33. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Mercury Systems stock overvalued right now?
Based on GuruFocus' analysis, Mercury Systems (MRCY) is currently considered Significantly Overvalued. The stock's GF Value™ is $48.16, compared to a current price of $94.39 — trading 96% above its estimated fair value. The current Debt-to-Equity is 0.33, which is near median its 10-year median of 0.33 and 10% above the Aerospace & Defense industry median of 0.30. Mercury Systems' overall GF Score™ is 62/100 with 4 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 Mercury Systems (MRCY), the current Debt-to-Equity is 0.33 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 Mercury Systems (MRCY) Overvalued in 2026?
Based on GuruFocus' analysis, Mercury Systems stock appears to be overvalued.
The current stock price of $94.39 is trading 96% above its estimated GF Value™ of $48.16.
GuruFocus considers Mercury Systems to be Significantly Overvalued.
Key valuation signals for MRCY:
Debt-to-Equity: 0.33 (near median its 10-year median of 0.33)
GF Value™: $48.16 vs. price of $94.39 (96% above fair value)
Industry Position: 10% above the Aerospace & Defense median (#162 of 314)
No single metric tells the full story. See the MRCY stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Mercury Systems Inc is a commercial technology company serving the aerospace and defense industry. The company envisions, creates, and delivers secure open architecture solutions powering a broad range of mission-critical applications in challenging and demanding environments. Its Mercury Processing Platform spans the full breadth of signal processing from radio frequency front end to the human-machine interface to convert meaningful data, gathered in remote and hostile environments, into critical decisions. The company manufactures components, products, modules, and subsystems and sells to defense prime contractors, the U.S. government, original equipment manufacturers, and commercial aerospace companies. Geographically, it derives maximum revenue from the United States.
62GF Score
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