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TransDigm GroupWBO:TDG -0.21%88 Days Inventory is 817.56 as of Jun. 2026. GuruFocus rates WBO:TDG with a GF Score™ of 88/100. Among 333 Aerospace & Defense companies, TransDigm Group ranks worse than 67.27% on this metric.
The historical rank and industry rank for TransDigm Group's Days Inventory or its related term are showing as below:
WBO:TDG's Days Inventory is not ranked *
in the Aerospace & Defense industry.
Industry Median: 146.96 * Ranked among companies with meaningful Days Inventory only.
TransDigm Group's Days Inventory
declined
from Dec. 2025 (873.97) to Jun. 2026 (817.56).
Inventory Turnover measures how fast the company turns over its inventory within a year.
TransDigm Group's Inventory Turnover for the
six
months ended in Jun. 2026 was 0.45.
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.
TransDigm Group's Inventory-to-Revenue for the
six
months ended in Jun. 2026 was 0.91.
TransDigm Group (WBO:TDG) 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.
TransDigm Group's Inventory Turnover for the
six
months ended in Jun. 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.
TransDigm Group's Inventory to Revenue for the
six
months ended in Jun. 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.
TransDigm Group Days Inventory Related Terms
TransDigm Group Days Inventory Historical Data
* Premium members only.
The historical data trend for TransDigm Group'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.
For the Aerospace & Defense subindustry, TransDigm Group'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.
TransDigm Group Days Inventory vs Aerospace & Defense Industry
For the Aerospace & Defense industry and Industrials sector, TransDigm Group's Days Inventory distribution charts can be found below:
* The bar in red indicates where TransDigm Group'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.
TransDigm Group (WBO:TDG) has a Days Inventory of 817.56 as of Jun. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on TransDigm Group and its competitors. According to the industry distribution chart, TransDigm Group ranks #224 out of 333 companies in the Aerospace & Defense industry, placing it in the top 67.3%.
Is TransDigm Group's Days Inventory too high?
TransDigm Group's current Days Inventory is 817.56. The Aerospace & Defense industry median Days Inventory is 146.96. TransDigm Group's value of 817.56 is 456.3% above this industry median. Based on the distribution chart, TransDigm Group ranks #224 out of 333 companies in the Aerospace & Defense industry, which is below the industry midpoint. Overall, TransDigm Group has a GF Score™ of 88/100, reflecting its overall financial health beyond just this single metric.
How does TransDigm Group's Days Inventory compare to ?
According to the Aerospace & Defense industry distribution chart, TransDigm Group ranks #224 out of 333 companies for Days Inventory. This places TransDigm Group in the lower half of its industry. The industry median Days Inventory is 146.96. TransDigm Group's value of 817.56 is 456.3% above this benchmark. 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 146.96, based on 333 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. TransDigm Group's current Days Inventory of 817.56 is 456.3% 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 TransDigm Group and its competitors. For the Aerospace & Defense industry, the median Days Inventory is 146.96 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. TransDigm Group's current Days Inventory is 817.56. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is TransDigm Group stock overvalued right now?
TransDigm Group (WBO:TDG) has a current Days Inventory of 817.56. The current Days Inventory is 817.56 and 456.3% above the Aerospace & Defense industry median of 146.96. TransDigm Group's overall GF Score™ is 88/100. 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 TransDigm Group (WBO:TDG), the current Days Inventory is 817.56 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.
TransDigm manufactures and services a broad set of specialized parts for commercial and military aircraft. The firm organizes itself in three segments: power and control, airframes, and a small non-aviation segment, which serves mostly off-road vehicles and mining equipment. It operates as an acquisitive holding company that focuses on buying up smaller firms that make proprietary aerospace products with substantial aftermarket demand. TransDigm regularly employs financial leverage to amplify its operating results.
88GF Score
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