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Martin Marietta MaterialsMEX:MLM 80 Gross Margin % is 22.76% as of Mar. 2026, which is 9% below its 10-year median of 24.90. GuruFocus rates MEX:MLM with a GF Score™ of 80/100 and a GF Value™ of MXN12,461.87 (Modestly Undervalued). The stock has 3 warning signs investors should review. Among 396 Building Materials companies, Martin Marietta Materials ranks better than 59.09% on this metric.
Martin Marietta Materials (MEX:MLM) Gross Margin % Explanation
Warren Buffett believes that firms with excellent long term economics tend to have consistently higher margins.
Durable competitive advantage creates a high Gross Margin % because of the freedom to price in excess of cost. Companies can be categorized by their Gross Margin %
1. Greater than 40% = Durable competitive advantage
2. Less than 40% = Competition eroding margins
3. Less than 20% = no sustainable competitive advantage
Consistency of Gross Margin is key
Martin Marietta Materials had a gross margin of 22.76% for the quarter that ended in Mar. 2026 => Competition eroding margins
Be Aware
If a company loses its competitive advantages, usually its gross margin declines well before its sales declines. Watching Gross Margin % and Operating Margin % closely helps avoid value trap situations.
Martin Marietta Materials Gross Margin % Related Terms
Martin Marietta Materials Gross Margin % Historical Data
* 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.
MEX:MLM vs VMC, JHX, EXP: Gross Margin % Comparison
For the Building Materials subindustry, Martin Marietta Materials's Gross Margin %, along with its competitors' market caps and Gross Margin % 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.
Martin Marietta Materials Gross Margin % vs Building Materials Industry
For the Building Materials industry and Basic Materials sector, Martin Marietta Materials's Gross Margin % distribution charts can be found below:
* The bar in red indicates where Martin Marietta Materials's Gross Margin % 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.
A positive Gross Profit is only the first step for a company to make a net profit. The gross profit needs to be big enough to also cover related labor, equipment, rental, marketing/advertising, research and development and a lot of other costs in selling the products.
Martin Marietta Materials (MEX:MLM) has a Gross Margin % of 22.76% as of Mar. 2026. Gross margin is the ratio of total gross profit to net sales. View historical data on Martin Marietta Materials and its competitors. This is near median its historical median of 24.90. Over the past decade, Martin Marietta Materials' Gross Margin % has ranged from 22.77 to 30.72. According to the industry distribution chart, Martin Marietta Materials ranks #162 out of 396 companies in the Building Materials industry, placing it in the top 40.9%.
Is Martin Marietta Materials' Gross Margin % too high?
Martin Marietta Materials' current Gross Margin % of 22.76% is near median its 10-year median of 24.90. Over the past 10 years, this metric has ranged from a low of 22.77 to a high of 30.72. The Building Materials industry median Gross Margin % is 26.19. Martin Marietta Materials' value of 22.76% is 13.1% below this industry median. Based on the distribution chart, Martin Marietta Materials ranks #162 out of 396 companies in the Building Materials industry, which is above the industry midpoint. Overall, Martin Marietta Materials has a GF Score™ of 80/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Martin Marietta Materials' Gross Margin % compare to VMC and JHX?
According to the Building Materials industry distribution chart, Martin Marietta Materials ranks #162 out of 396 companies for Gross Margin %. This puts Martin Marietta Materials in the upper half of its industry. The industry median Gross Margin % is 26.19. Martin Marietta Materials' value of 22.76% is 13.1% below this benchmark. Historically, Martin Marietta Materials' own Gross Margin % has ranged from 22.77 to 30.72 over the past decade. While the company's 10-year median is 24.90 vs. the industry median of 26.19, Martin Marietta Materials 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 Gross Margin % for a Building Materials company?
The median Gross Margin % among Building Materials companies is 26.19, based on 396 companies in the industry. Companies in the top quartile (top 25%) have a Gross Margin % significantly above this median, while those in the bottom quartile fall well below. However, Gross Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Martin Marietta Materials's current Gross Margin % of 22.76% is 13.1% 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 Gross Margin % mean?
A high Gross Margin % can signal that a stock is expensive relative to its fundamentals. Gross margin is the ratio of total gross profit to net sales. View historical data on Martin Marietta Materials and its competitors. For the Building Materials industry, the median Gross Margin % is 26.19 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Martin Marietta Materials's current Gross Margin % is 22.76%, which is near median its own 10-year median of 24.90. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Martin Marietta Materials stock overvalued right now?
Based on GuruFocus' analysis, Martin Marietta Materials (MEX:MLM) is currently considered Modestly Undervalued. The stock's GF Value™ is MXN12,461.87, compared to a current price of MXN10,527.30 — trading 15.5% below its estimated fair value. The current Gross Margin % is 22.76%, which is near median its 10-year median of 24.90 and 13.1% below the Building Materials industry median of 26.19. Martin Marietta Materials' overall GF Score™ is 80/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Gross Margin % calculated?
Gross Margin % is calculated from a company's financial statements. For Martin Marietta Materials (MEX:MLM), the current Gross Margin % is 22.76% 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 Martin Marietta Materials (MEX:MLM) Overvalued in 2026?
Based on GuruFocus' analysis, Martin Marietta Materials stock appears to be undervalued.
The current stock price of MXN10,527.30 is trading 15.5% below its estimated GF Value™ of MXN12,461.87.
GuruFocus considers Martin Marietta Materials to be Modestly Undervalued.
Key valuation signals for MEX:MLM:
Gross Margin %: 22.76% (near median its 10-year median of 24.90)
GF Value™: MXN12,461.87 vs. price of MXN10,527.30 (15.5% below fair value)
Industry Position: 13.1% below the Building Materials median (#162 of 396)
No single metric tells the full story. See the MEX:MLM stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Martin Marietta Materials is one of the United States' largest producer of construction aggregates (crushed stone, sand, and gravel). In 2024, Martin Marietta sold 191 million tons of aggregates. Martin Marietta's most important markets include Texas, North Carolina, Colorado, California, and Georgia, accounting for most of its sales. The company also uses its aggregates in its asphalt and ready-mixed concrete businesses. Martin's magnesia specialties business produces magnesia-based chemical products and dolomitic lime.
80GF Score
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