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Mueller IndustriesSTU:MUD +2.21%91 Days Inventory is 50.87 as of Jun. 2026, which is 9% below its 10-year median of 55.92. GuruFocus rates STU:MUD with a GF Score™ of 91/100 and a GF Value™ of €41.10 (Significantly Overvalued). The stock has 3 warning signs investors should review. Among 2,971 Industrial Products companies, Mueller Industries ranks better than 84.25% on this metric.
The historical rank and industry rank for Mueller Industries's Days Inventory or its related term are showing as below:
STU:MUD'
s Days Inventory Range Over the Past 10 Years
Min: 46.28 Med: 55.92 Max: 62.18
Current: 59.05
During the past 13 years, Mueller Industries's highest Days Inventory was 62.18. The lowest was 46.28. And the median was 55.92.
STU:MUD's Days Inventory is ranked better than 84.25% of 2971
companies
in the Industrial Products industry
Industry Median: 119.96
vs STU:MUD: 59.05
Mueller Industries's Days Inventory
declined
from Jun. 2025 (59.63) to Jun. 2026 (50.87).
Inventory Turnover measures how fast the company turns over its inventory within a year.
Mueller Industries's Inventory Turnover for the
three
months ended in Jun. 2026 was 1.79.
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.
Mueller Industries's Inventory-to-Revenue for the
three
months ended in Jun. 2026 was 0.40.
Mueller Industries (STU:MUD) 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.
Mueller Industries's Inventory Turnover for the
three
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.
Mueller Industries's Inventory to Revenue for the
three
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.
Mueller Industries Days Inventory Related Terms
Mueller Industries Days Inventory Historical Data
* Premium members only.
The historical data trend for Mueller Industries'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.
STU:MUD vs CMC, ESAB, GPGI: Days Inventory Comparison
For the Metal Fabrication subindustry, Mueller Industries'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.
Mueller Industries Days Inventory vs Industrial Products Industry
For the Industrial Products industry and Industrials sector, Mueller Industries's Days Inventory distribution charts can be found below:
* The bar in red indicates where Mueller Industries'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.
Mueller Industries (STU:MUD) has a Days Inventory of 50.87 as of Jun. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Mueller Industries and its competitors. This is near median its historical median of 55.92. Over the past decade, Mueller Industries' Days Inventory has ranged from 46.28 to 62.18. According to the industry distribution chart, Mueller Industries ranks #468 out of 2971 companies in the Industrial Products industry, placing it in the top 15.8%.
Is Mueller Industries' Days Inventory too high?
Mueller Industries' current Days Inventory of 50.87 is near median its 10-year median of 55.92. Over the past 10 years, this metric has ranged from a low of 46.28 to a high of 62.18. The Industrial Products industry median Days Inventory is 119.96. Mueller Industries' value of 50.87 is 57.6% below this industry median. Based on the distribution chart, Mueller Industries ranks #468 out of 2971 companies in the Industrial Products industry, which is in the top quartile — a strong position relative to peers. Overall, Mueller Industries has a GF Score™ of 91/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Mueller Industries' Days Inventory compare to CMC and ESAB?
According to the Industrial Products industry distribution chart, Mueller Industries ranks #468 out of 2971 companies for Days Inventory. This places Mueller Industries in the top 16% of its industry — outperforming the majority of peers. The industry median Days Inventory is 119.96. Mueller Industries' value of 50.87 is 57.6% below this benchmark. Historically, Mueller Industries' own Days Inventory has ranged from 46.28 to 62.18 over the past decade. While the company's 10-year median is 55.92 vs. the industry median of 119.96, Mueller Industries 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 Industrial Products company?
The median Days Inventory among Industrial Products companies is 119.96, based on 2,971 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. Mueller Industries's current Days Inventory of 50.87 is 57.6% 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 Mueller Industries and its competitors. For the Industrial Products industry, the median Days Inventory is 119.96 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Mueller Industries's current Days Inventory is 50.87, which is near median its own 10-year median of 55.92. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Mueller Industries stock overvalued right now?
Based on GuruFocus' analysis, Mueller Industries (STU:MUD) is currently considered Significantly Overvalued. The stock's GF Value™ is €41.10, compared to a current price of €58.24 — trading 41.7% above its estimated fair value. The current Days Inventory is 50.87, which is near median its 10-year median of 55.92 and 57.6% below the Industrial Products industry median of 119.96. Mueller Industries' overall GF Score™ is 91/100 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 Mueller Industries (STU:MUD), the current Days Inventory is 50.87 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 Mueller Industries (STU:MUD) Overvalued in 2026?
Based on GuruFocus' analysis, Mueller Industries stock appears to be overvalued.
The current stock price of €58.24 is trading 41.7% above its estimated GF Value™ of €41.10.
GuruFocus considers Mueller Industries to be Significantly Overvalued.
Key valuation signals for STU:MUD:
Days Inventory: 50.87 (near median its 10-year median of 55.92)
GF Value™: €41.10 vs. price of €58.24 (41.7% above fair value)
Industry Position: 57.6% below the Industrial Products median (#468 of 2971)
No single metric tells the full story. See the STU:MUD stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Mueller Industries Inc makes copper, brass, aluminum, and plastic products. The company reports three business segments: piping systems, industrial metals, and climate. Piping systems, earning majority of the company's revenue, produces tubes, fittings, rods, valves, and other products and operates various firms world-wide. The industrial metals segment manufactures impacts and micro-gauge, brass rod and copper bar products, and brass value-added products. The climate segment produces items used to create temperature-control goods, including valves, twisted tubes, coaxial heat exchangers, and others. Geographically, it operates in USA, UK, Canada, Asia and the Middle East and Mexico.
91GF Score
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