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Mueller Industries has the GF Score of 91, which implies that the company
might have
Highest outperformance potential.
The GF Score is a stock performance ranking system developed by GuruFocus using five aspects of valuation, which has been found to be closely correlated to the long-term performances of stocks by backtesting from 2006 to 2021. The stocks with a higher GF Score generally generate higher returns than those with lower GF Scores. Therefore, when picking stocks, investors should invest in companies with high GF Scores. The GF Score ranges from 0 to 100, with 100 as the highest rank.
GF Score takes following five key aspects into consideration:
Each one of these components is ranked and the ranks also have positive correlation with the long term performances of stocks. The GF score is calculated using the five key aspects of analysis. Through backtesting, we know that each of these key aspects has a different impact on the stock price performance. Thus, they are weighted differently when calculating the total score. The Profitability Rank and the Growth Rank are weighted fully, while other parameters have less weight.
Based on research and backtesting result, GuruFocus believes Mueller Industries
might have
Highest outperformance potential.
Please click GF Score to see more details on the GF Score's 5 Key Aspects of Analysis.
Based on the historical long-term performances among five valuation aspects, the GF Score is found to be closely correlated to the long-term performances of stocks. It ranges from 0 to 100, with 100 as the highest. GuruFocus divided GF Score into following 5 categories:
GF Score
Performance Potential and All-in-One Screener Examples (1)
(1) These are some simple examples. You can access our GF Score filter under All-in-One Screener’s Fundamental tab.
Mueller Industries GF Score Related Terms
STU:MUD vs CMC, ESAB, GPGI: GF Score Comparison
For the Metal Fabrication subindustry, Mueller Industries's GF Score, along with its competitors' market caps and GF Score 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 GF Score vs Industrial Products Industry
For the Industrial Products industry and Industrials sector, Mueller Industries's GF Score distribution charts can be found below:
* The bar in red indicates where Mueller Industries's GF Score falls into.
Mueller Industries (STU:MUD) has a GF Score of 91 as of Jul. 31, 2026. GF Score is a stock performance ranking system developed by GuruFocus using five aspects of valuation. View historical data on Mueller Industries and its competitors. This is 28% above median its historical median of 71.00. Over the past decade, Mueller Industries' GF Score has ranged from 51.00 to 92.00.
Is Mueller Industries' GF Score too high?
Mueller Industries' current GF Score of 91 is 28% above median its 10-year median of 71.00. Over the past 10 years, this metric has ranged from a low of 51.00 to a high of 92.00. 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' GF Score compare to CMC and ESAB?
Mueller Industries' GF Score of 91 can be compared against companies in the Industrial Products industry. Historically, Mueller Industries' own GF Score has ranged from 51.00 to 92.00 over the past decade. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good GF Score for an Industrial Products company?
A good GF Score depends on the Industrial Products industry context. However, GF Score should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high GF Score mean?
A high GF Score can signal that a stock is expensive relative to its fundamentals. GF Score is a stock performance ranking system developed by GuruFocus using five aspects of valuation. View historical data on Mueller Industries and its competitors. Mueller Industries's current GF Score is 91, which is 28% above median its own 10-year median of 71.00. 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 GF Score is 91, which is 28% above median its 10-year median of 71.00. 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 GF Score calculated?
GF Score is calculated from a company's financial statements. For Mueller Industries (STU:MUD), the current GF Score is 91 as of Jul. 31, 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:
GF Score: 91 (28% above median its 10-year median of 71.00)
GF Value™: €41.10 vs. price of €58.24 (41.7% above fair value)
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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