Lockheed MartinXSWX:LMT -1.30%73 Days Inventory is 22.37 as of Mar. 2026, which is 3% above its 10-year median of 21.79. GuruFocus rates XSWX:LMT with a GF Score™ of 73/100 and a GF Value™ of CHF446.70. The stock has 3 warning signs investors should review. Among 325 Aerospace & Defense companies, Lockheed Martin ranks better than 90.15% on this metric.
The historical rank and industry rank for Lockheed Martin's Days Inventory or its related term are showing as below:
XSWX:LMT'
s Days Inventory Range Over the Past 10 Years
Min: 18.8 Med: 21.79 Max: 41.34
Current: 20.29
During the past 13 years, Lockheed Martin's highest Days Inventory was 41.34. The lowest was 18.80. And the median was 21.79.
XSWX:LMT's Days Inventory is ranked better than 90.15% of 325
companies
in the Aerospace & Defense industry
Industry Median: 141.54
vs XSWX:LMT: 20.29
Lockheed Martin's Days Inventory
increased
from Mar. 2025 (20.73) to Mar. 2026 (22.37).
It might indicate that Lockheed Martin's sales slowed down.
Inventory Turnover measures how fast the company turns over its inventory within a year.
Lockheed Martin's Inventory Turnover for the
three
months ended in Mar. 2026 was 4.08.
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.
Lockheed Martin's Inventory-to-Revenue for the
three
months ended in Mar. 2026 was 0.22.
Lockheed Martin (XSWX:LMT) 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.
Lockheed Martin'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.
Lockheed Martin'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.
Lockheed Martin Days Inventory Related Terms
Lockheed Martin Days Inventory Historical Data
* Premium members only.
The historical data trend for Lockheed Martin'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.
XSWX:LMT vs HWM, GD, TDG: Days Inventory Comparison
For the Aerospace & Defense subindustry, Lockheed Martin'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.
Lockheed Martin Days Inventory vs Aerospace & Defense Industry
For the Aerospace & Defense industry and Industrials sector, Lockheed Martin's Days Inventory distribution charts can be found below:
* The bar in red indicates where Lockheed Martin'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.
Lockheed Martin (XSWX:LMT) has a Days Inventory of 22.37 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Lockheed Martin and its competitors. This is near median its historical median of 21.79. Over the past decade, Lockheed Martin's Days Inventory has ranged from 18.80 to 41.34. According to the industry distribution chart, Lockheed Martin ranks #32 out of 325 companies in the Aerospace & Defense industry, placing it in the top 9.8%.
Is Lockheed Martin's Days Inventory too high?
Lockheed Martin's current Days Inventory of 22.37 is near median its 10-year median of 21.79. Over the past 10 years, this metric has ranged from a low of 18.80 to a high of 41.34. The Aerospace & Defense industry median Days Inventory is 141.54. Lockheed Martin's value of 22.37 is 84.2% below this industry median. Based on the distribution chart, Lockheed Martin ranks #32 out of 325 companies in the Aerospace & Defense industry, which is in the top quartile — a strong position relative to peers. Overall, Lockheed Martin has a GF Score™ of 73/100, reflecting its overall financial health beyond just this single metric.
How does Lockheed Martin's Days Inventory compare to HWM and GD?
According to the Aerospace & Defense industry distribution chart, Lockheed Martin ranks #32 out of 325 companies for Days Inventory. This places Lockheed Martin in the top 10% of its industry — outperforming the majority of peers. The industry median Days Inventory is 141.54. Lockheed Martin's value of 22.37 is 84.2% below this benchmark. Historically, Lockheed Martin's own Days Inventory has ranged from 18.80 to 41.34 over the past decade. While the company's 10-year median is 21.79 vs. the industry median of 141.54, Lockheed Martin has consistently been below 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. Lockheed Martin's current Days Inventory of 22.37 is 84.2% below 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 Lockheed Martin 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. Lockheed Martin's current Days Inventory is 22.37, which is near median its own 10-year median of 21.79. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Lockheed Martin stock overvalued right now?
Lockheed Martin (XSWX:LMT) has a current Days Inventory of 22.37. The stock's GF Value™ is CHF446.70, compared to a current price of CHF410.08 — trading 8.2% below its estimated fair value. The current Days Inventory is 22.37, which is near median its 10-year median of 21.79 and 84.2% below the Aerospace & Defense industry median of 141.54. Lockheed Martin's overall GF Score™ is 73/100 with 3 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 Lockheed Martin (XSWX:LMT), the current Days Inventory is 22.37 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 Lockheed Martin (XSWX:LMT) Overvalued in 2026?
Based on GuruFocus' analysis, Lockheed Martin stock appears to be undervalued.
The current stock price of CHF410.08 is trading 8.2% below its estimated GF Value™ of CHF446.70.
Key valuation signals for XSWX:LMT:
Days Inventory: 22.37 (near median its 10-year median of 21.79)
GF Value™: CHF446.70 vs. price of CHF410.08 (8.2% below fair value)
Industry Position: 84.2% below the Aerospace & Defense median (#32 of 325)
No single metric tells the full story. See the XSWX:LMT stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Lockheed Martin is the world's largest defense contractor and has dominated the Western market for high-end fighter aircraft since it won the F-35 Joint Strike Fighter program in 2001. Aeronautics is Lockheed's largest segment, which derives upward of two-thirds of its revenue from the F-35. Lockheed's remaining segments are rotary and mission systems, mainly encompassing the Sikorsky helicopter business; missiles and fire control, which creates missiles and missile defense systems; and space systems, which produces satellites and receives equity income from the United Launch Alliance joint venture.
73GF Score
Get the complete analysis for XSWX:LMT
Days Inventory is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
XSWX:LMT has been successfully added to your 
