Mueller Industries (MEX:MLI) Beneish M-Score: -2.19 (As of Jul. 31, 2026)

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

MEX:MLI Mueller Industries Inc MEX:MLI
91 GF Score
Price MXN1,175.00
GF Value MXN718.08
! 3 Warning Signs
View Full Analysis

What is Mueller Industries Beneish M-Score?

Mueller Industries MEX:MLI 91 Beneish M-Score is -2.19 as of Jul. 31, 2026. GuruFocus rates MEX:MLI with a GF Score™ of 91/100 and a GF Value™ of MXN718.08. The stock has 3 warning signs investors should review. Among 2,909 Industrial Products companies, Mueller Industries ranks worse than 69.27% on this metric.

The zones of discrimination for M-Score is as such:

An M-Score of equal or less than -1.78 suggests that the company is unlikely to be a manipulator.
An M-Score of greater than -1.78 signals that the company is likely to be a manipulator.

Good Sign:

Beneish M-Score -2.19 no higher than -1.78, which implies that the company is unlikely to be a manipulator.

The historical rank and industry rank for Mueller Industries's Beneish M-Score or its related term are showing as below:

MEX:MLI' s Beneish M-Score Range Over the Past 10 Years
Min: -3.3   Med: -2.62   Max: -1.4
Current: -2.19

During the past 13 years, the highest Beneish M-Score of Mueller Industries was -1.40. The lowest was -3.30. And the median was -2.62.


Mueller Industries Beneish M-Score Historical Data

* Premium members only.

The historical data trend for Mueller Industries's Beneish M-Score 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.

Mueller Industries Beneish M-Score Chart

Mueller Industries Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Beneish M-Score
Get a 7-Day Free Trial Premium Member Only Premium Member Only -1.78 -2.90 -2.81 -1.87 -2.58

Mueller Industries Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
Beneish M-Score Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only -2.53 -2.66 -2.58 -2.35 -2.19

MEX:MLI vs CMC, ESAB, GPGI: Beneish M-Score Comparison

For the Metal Fabrication subindustry, Mueller Industries's Beneish M-Score, along with its competitors' market caps and Beneish M-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 Beneish M-Score vs Industrial Products Industry

For the Industrial Products industry and Industrials sector, Mueller Industries's Beneish M-Score distribution charts can be found below:

* The bar in red indicates where Mueller Industries's Beneish M-Score falls into.


MEX:MLI
91GF Score
Mueller Industries Inc MEX:MLI
Beneish M-Score is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Mueller Industries Beneish M-Score Calculation

The M-score was created by Professor Messod Beneish. Instead of measuring the bankruptcy risk (Altman Z-Score) or business trend (Piotroski F-Score), M-score can be used to detect the risk of earnings manipulation. This is the original research paper on M-score.

The M-Score Variables:

The M-score of Mueller Industries for today is based on a combination of the following eight different indices:

M=-4.84+0.92 * DSRI+0.528 * GMI+0.404 * AQI+0.892 * SGI+0.115 * DEPI
=-4.84+0.92 * 1.1526+0.528 * 0.9866+0.404 * 0.9643+0.892 * 1.0338+0.115 * 1.069
-0.172 * SGAI+4.679 * TATA-0.327 * LVGI
-0.172 * 0.8628+4.679 * 0.01093-0.327 * 1.0495
=-2.26

* 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.

This Year (Jun26) TTM:Last Year (Jun25) TTM:
Total Receivables was MXN13,294 Mil.
Revenue was 24915.828 + 21513.101 + 17328.416 + 19771.819 = MXN83,529 Mil.
Gross Profit was 6898.392 + 6463.713 + 4462.335 + 6231.084 = MXN24,056 Mil.
Total Current Assets was MXN49,647 Mil.
Total Assets was MXN74,285 Mil.
Property, Plant and Equipment(Net PPE) was MXN10,058 Mil.
Depreciation, Depletion and Amortization(DDA) was MXN1,212 Mil.
Selling, General, & Admin. Expense(SGA) was MXN4,535 Mil.
Total Current Liabilities was MXN10,397 Mil.
Long-Term Debt & Capital Lease Obligation was MXN298 Mil.
Net Income was 4356.23 + 4310.14 + 2767.692 + 3817.85 = MXN15,252 Mil.
Non Operating Income was 91.276 + 612.246 + 213.296 + 150.844 = MXN1,068 Mil.
Cash Flow from Operations was 3703.725 + 1437.946 + 2542.603 + 5688.023 = MXN13,372 Mil.
Total Receivables was MXN11,158 Mil.
Revenue was 21430.887 + 20461.576 + 19260.99 + 19647.592 = MXN80,801 Mil.
Gross Profit was 6646.312 + 5564.221 + 5325.92 + 5421.96 = MXN22,958 Mil.
Total Current Assets was MXN41,690 Mil.
Total Assets was MXN65,666 Mil.
Property, Plant and Equipment(Net PPE) was MXN10,610 Mil.
Depreciation, Depletion and Amortization(DDA) was MXN1,378 Mil.
Selling, General, & Admin. Expense(SGA) was MXN5,085 Mil.
Total Current Liabilities was MXN8,585 Mil.
Long-Term Debt & Capital Lease Obligation was MXN423 Mil.




1. DSRI = Days Sales in Receivables Index

Measured as the ratio of Revenue in Total Receivables in year t to year t-1.

A large increase in DSR could be indicative of revenue inflation.

DSRI=(Receivables_t / Revenue_t) / (Receivables_t-1 / Revenue_t-1)
=(13293.852 / 83529.164) / (11157.506 / 80801.045)
=0.159152 / 0.138086
=1.1526

2. GMI = Gross Margin Index

Measured as the ratio of gross margin in year t-1 to gross margin in year t.

Gross margin has deteriorated when this index is above 1. A firm with poorer prospects is more likely to manipulate earnings.

GMI=GrossMargin_t-1 / GrossMargin_t
=(GrossProfit_t-1 / Revenue_t-1) / (GrossProfit_t / Revenue_t)
=(22958.413 / 80801.045) / (24055.524 / 83529.164)
=0.284135 / 0.28799
=0.9866

3. AQI = Asset Quality Index

AQI is the ratio of asset quality in year t to year t-1.

Asset quality is measured as the ratio of non-current assets other than Property, Plant and Equipment to Total Assets.

AQI=(1 - (CurrentAssets_t + PPE_t) / TotalAssets_t) / (1 - (CurrentAssets_t-1 + PPE_t-1) / TotalAssets_t-1)
=(1 - (49647.134 + 10058.214) / 74285.069) / (1 - (41690.372 + 10610.104) / 65665.743)
=0.196267 / 0.203535
=0.9643

4. SGI = Sales Growth Index

Ratio of Revenue in year t to sales in year t-1.

Sales growth is not itself a measure of manipulation. However, growth companies are likely to find themselves under pressure to manipulate in order to keep up appearances.

SGI=Sales_t / Sales_t-1
=Revenue_t / Revenue_t-1
=83529.164 / 80801.045
=1.0338

5. DEPI = Depreciation Index

Measured as the ratio of the rate of Depreciation, Depletion and Amortization in year t-1 to the corresponding rate in year t.

DEPI greater than 1 indicates that assets are being depreciated at a slower rate. This suggests that the firm might be revising useful asset life assumptions upwards, or adopting a new method that is income friendly.

DEPI=(Depreciation_t-1 / (Depreciaton_t-1 + PPE_t-1)) / (Depreciation_t / (Depreciaton_t + PPE_t))
=(1378.29 / (1378.29 + 10610.104)) / (1212.165 / (1212.165 + 10058.214))
=0.114969 / 0.107553
=1.069

Note: If the Depreciation, Depletion and Amortization data is not available, we assume that the depreciation rate is constant and set the Depreciation Index to 1.

6. SGAI = Sales, General and Administrative expenses Index

The ratio of Selling, General, & Admin. Expense(SGA) to Sales in year t relative to year t-1.

SGA expenses index > 1 means that the company is becoming less efficient in generate sales.

SGAI=(SGA_t / Sales_t) / (SGA_t-1 /Sales_t-1)
=(4535.033 / 83529.164) / (5084.802 / 80801.045)
=0.054293 / 0.06293
=0.8628

7. LVGI = Leverage Index

The ratio of total debt to Total Assets in year t relative to yeat t-1.

An LVGI > 1 indicates an increase in leverage

LVGI=((LTD_t + CurrentLiabilities_t) / TotalAssets_t) / ((LTD_t-1 + CurrentLiabilities_t-1) / TotalAssets_t-1)
=((298.291 + 10396.533) / 74285.069) / ((422.923 + 8585.456) / 65665.743)
=0.14397 / 0.137185
=1.0495

8. TATA = Total Accruals to Total Assets

Total accruals calculated as the change in working capital accounts other than cash less depreciation.

TATA=(IncomefromContinuingOperations_t - CashFlowsfromOperations_t) / TotalAssets_t
=(NetIncome_t - NonOperatingIncome_t - CashFlowsfromOperations_t) / TotalAssets_t
=(15251.912 - 1067.662 - 13372.297) / 74285.069
=0.01093

An M-Score of equal or less than -1.78 suggests that the company is unlikely to be a manipulator. An M-Score of greater than -1.78 signals that the company is likely to be a manipulator.

Mueller Industries has a M-score of -2.26 suggests that the company is unlikely to be a manipulator.

Frequently Asked Questions Learn more about Beneish M-Score →
What does a Beneish M-Score of -2.19 mean?
Mueller Industries (MEX:MLI) has a Beneish M-Score of -2.19 as of Jul. 31, 2026. The Beneish M-score measures the likelihood of earnings manipulation. View historical data on Mueller Industries and its competitors. According to the industry distribution chart, Mueller Industries ranks #2015 out of 2909 companies in the Industrial Products industry, placing it in the top 69.3%.
Is Mueller Industries' Beneish M-Score too high?
Mueller Industries' current Beneish M-Score is -2.19. Based on the distribution chart, Mueller Industries ranks #2015 out of 2909 companies in the Industrial Products industry, which is below the industry midpoint. Overall, Mueller Industries has a GF Score™ of 91/100, reflecting its overall financial health beyond just this single metric.
How does Mueller Industries' Beneish M-Score compare to CMC and ESAB?
According to the Industrial Products industry distribution chart, Mueller Industries ranks #2015 out of 2909 companies for Beneish M-Score. This places Mueller Industries in the lower half of its industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Beneish M-Score for an Industrial Products company?
A good Beneish M-Score depends on the Industrial Products industry context. However, Beneish M-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 Beneish M-Score mean?
A high Beneish M-Score can signal that a stock is expensive relative to its fundamentals. The Beneish M-score measures the likelihood of earnings manipulation. View historical data on Mueller Industries and its competitors. Mueller Industries's current Beneish M-Score is -2.19. 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?
Mueller Industries (MEX:MLI) has a current Beneish M-Score of -2.19. The stock's GF Value™ is MXN718.08, compared to a current price of MXN1,175.00 — trading 63.6% above its estimated fair value. The current Beneish M-Score is -2.19. 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 Beneish M-Score calculated?
Beneish M-Score is calculated from a company's financial statements. For Mueller Industries (MEX:MLI), the current Beneish M-Score is -2.19 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 (MEX:MLI) Overvalued in 2026?

Based on GuruFocus' analysis, Mueller Industries stock appears to be overvalued. The current stock price of MXN1,175.00 is trading 63.6% above its estimated GF Value™ of MXN718.08.

Key valuation signals for MEX:MLI:

  • Beneish M-Score: -2.19
  • GF Value™: MXN718.08 vs. price of MXN1,175.00 (63.6% above fair value)
  • GF Score™: 91/100 with 3 warning signs

No single metric tells the full story. See the MEX:MLI stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Mueller Industries Business Description

Other Exchanges MLI:USAMUD:Germany
Address 150 Schilling Boulevard, Suite 100, Collierville, TN, USA, 38017
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

Get the complete analysis for MEX:MLI

Beneish M-Score is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

MXN1,175.00
Price
MXN718.08
GF Value