Mercury SystemsMEX:MRCY 35 Days Inventory is 194.54 as of Mar. 2026, which is 46% above its 10-year median of 133.10. GuruFocus rates MEX:MRCY with a GF Score™ of 35/100 and a GF Value™ of MXN791.56 (Significantly Overvalued). The stock has 4 warning signs investors should review. Among 325 Aerospace & Defense companies, Mercury Systems ranks worse than 62.15% on this metric.
The historical rank and industry rank for Mercury Systems's Days Inventory or its related term are showing as below:
MEX:MRCY'
s Days Inventory Range Over the Past 10 Years
Min: 115.55 Med: 133.1 Max: 191.96
Current: 183.9
During the past 13 years, Mercury Systems's highest Days Inventory was 191.96. The lowest was 115.55. And the median was 133.10.
MEX:MRCY's Days Inventory is ranked worse than 62.15% of 325
companies
in the Aerospace & Defense industry
Industry Median: 141.54
vs MEX:MRCY: 183.90
Mercury Systems's Days Inventory
declined
from Mar. 2025 (208.18) to Mar. 2026 (194.54).
Inventory Turnover measures how fast the company turns over its inventory within a year.
Mercury Systems's Inventory Turnover for the
three
months ended in Mar. 2026 was 0.47.
Inventory-to-Revenue determines the ability of a company to manage their inventory levels. It measures the percentage of Inventories the company currently has on hand to support the current amount of Revenue.
Mercury Systems's Inventory-to-Revenue for the
three
months ended in Mar. 2026 was 1.51.
Mercury Systems (MEX:MRCY) Days Inventory Explanation
Days Inventory indicates the liquidity of the inventory. Generally, a lower Days Inventory is preferred as it indicates a shorter duration to clear off the inventory. An increase of the ratio may indicate the company's sales slowed. Similar ratios related to Days Inventory are:
1. Inventory Turnover measures how fast the company turns over its inventory within a year.
Mercury Systems's Inventory Turnover for the
three
months ended in Mar. 2026 is calculated as
2. Inventory-to-Revenue determines the ability of a company to manage their inventory levels. It measures the percentage of Inventories the company currently has on hand to support the current amount of Revenue.
Mercury Systems's Inventory to Revenue for the
three
months ended in Mar. 2026 is calculated as
* 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.
Be Aware
A lot of business are seasonable. It makes more sense to compare Days Inventory from the same period in the previous year instead of from the previous quarter.
Mercury Systems Days Inventory Related Terms
Mercury Systems Days Inventory Historical Data
* Premium members only.
The historical data trend for Mercury Systems's Days Inventory 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.
MEX:MRCY vs HXL, LUNR, LOAR: Days Inventory Comparison
For the Aerospace & Defense subindustry, Mercury Systems's Days Inventory, along with its competitors' market caps and Days Inventory 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 Days Inventory vs Aerospace & Defense Industry
For the Aerospace & Defense industry and Industrials sector, Mercury Systems's Days Inventory distribution charts can be found below:
* The bar in red indicates where Mercury Systems's Days Inventory 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 (MEX:MRCY) has a Days Inventory of 194.54 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Mercury Systems and its competitors. This is 46% above median its historical median of 133.10. Over the past decade, Mercury Systems' Days Inventory has ranged from 115.55 to 191.96. According to the industry distribution chart, Mercury Systems ranks #202 out of 325 companies in the Aerospace & Defense industry, placing it in the top 62.2%.
Is Mercury Systems' Days Inventory too high?
Mercury Systems' current Days Inventory of 194.54 is 46% above median its 10-year median of 133.10. Over the past 10 years, this metric has ranged from a low of 115.55 to a high of 191.96. The Aerospace & Defense industry median Days Inventory is 141.54. Mercury Systems' value of 194.54 is 37.4% above this industry median. Based on the distribution chart, Mercury Systems ranks #202 out of 325 companies in the Aerospace & Defense industry, which is below the industry midpoint. Overall, Mercury Systems has a GF Score™ of 35/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Mercury Systems' Days Inventory compare to HXL and LUNR?
According to the Aerospace & Defense industry distribution chart, Mercury Systems ranks #202 out of 325 companies for Days Inventory. This places Mercury Systems in the lower half of its industry. The industry median Days Inventory is 141.54. Mercury Systems' value of 194.54 is 37.4% above this benchmark. Historically, Mercury Systems' own Days Inventory has ranged from 115.55 to 191.96 over the past decade. While the company's 10-year median is 133.10 vs. the industry median of 141.54, 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 Days Inventory for an Aerospace & Defense company?
The median Days Inventory among Aerospace & Defense companies is 141.54, based on 325 companies in the industry. Companies in the top quartile (top 25%) have a Days Inventory significantly above this median, while those in the bottom quartile fall well below. However, Days Inventory should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Mercury Systems's current Days Inventory of 194.54 is 37.4% 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 Days Inventory mean?
A high Days Inventory can signal that a stock is expensive relative to its fundamentals. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Mercury Systems and its competitors. For the Aerospace & Defense industry, the median Days Inventory is 141.54 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Mercury Systems's current Days Inventory is 194.54, which is 46% above median its own 10-year median of 133.10. 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 (MEX:MRCY) is currently considered Significantly Overvalued. The stock's GF Value™ is MXN791.56, compared to a current price of MXN1,937.83 — trading 144.8% above its estimated fair value. The current Days Inventory is 194.54, which is 46% above median its 10-year median of 133.10 and 37.4% above the Aerospace & Defense industry median of 141.54. Mercury Systems' overall GF Score™ is 35/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Days Inventory calculated?
Days Inventory is calculated from a company's financial statements. For Mercury Systems (MEX:MRCY), the current Days Inventory is 194.54 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.
Is Mercury Systems (MEX:MRCY) Overvalued in 2026?
Based on GuruFocus' analysis, Mercury Systems stock appears to be overvalued.
The current stock price of MXN1,937.83 is trading 144.8% above its estimated GF Value™ of MXN791.56.
GuruFocus considers Mercury Systems to be Significantly Overvalued.
Key valuation signals for MEX:MRCY:
Days Inventory: 194.54 (46% above median its 10-year median of 133.10)
GF Value™: MXN791.56 vs. price of MXN1,937.83 (144.8% above fair value)
Industry Position: 37.4% above the Aerospace & Defense median (#202 of 325)
No single metric tells the full story. See the MEX: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.
35GF Score
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