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Martin Marietta MaterialsMIL:1MLM 92 FCF Margin % is 3.01% as of Mar. 2026, which is 74% below its 10-year median of 11.38. GuruFocus rates MIL:1MLM with a GF Score™ of 92/100 and a GF Value™ of €653.58. The stock has 3 warning signs investors should review. Among 404 Building Materials companies, Martin Marietta Materials ranks better than 86.39% on this metric.
* 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.
MIL:1MLM vs VMC, JHX, EXP: FCF Margin % Comparison
For the Building Materials subindustry, Martin Marietta Materials's FCF Margin %, along with its competitors' market caps and FCF 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 FCF Margin % vs Building Materials Industry
For the Building Materials industry and Basic Materials sector, Martin Marietta Materials's FCF Margin % distribution charts can be found below:
* The bar in red indicates where Martin Marietta Materials's FCF 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.
Martin Marietta Materials (MIL:1MLM) has a FCF Margin % of 3.01% as of Mar. 2026. Free cash flow margin is the ratio of total free cash flow to net sales. View historical data on Martin Marietta Materials and its competitors. This is 74% below median its historical median of 11.38. Over the past decade, Martin Marietta Materials' FCF Margin % has ranged from 6.24 to 15.90. According to the industry distribution chart, Martin Marietta Materials ranks #55 out of 404 companies in the Building Materials industry, placing it in the top 13.6%.
Is Martin Marietta Materials' FCF Margin % too high?
Martin Marietta Materials' current FCF Margin % of 3.01% is 74% below median its 10-year median of 11.38. Over the past 10 years, this metric has ranged from a low of 6.24 to a high of 15.90. The Building Materials industry median FCF Margin % is 3.94. Martin Marietta Materials' value of 3.01% is 23.6% below this industry median. Based on the distribution chart, Martin Marietta Materials ranks #55 out of 404 companies in the Building Materials industry, which is in the top quartile — a strong position relative to peers. Overall, Martin Marietta Materials has a GF Score™ of 92/100, reflecting its overall financial health beyond just this single metric.
How does Martin Marietta Materials' FCF Margin % compare to VMC and JHX?
According to the Building Materials industry distribution chart, Martin Marietta Materials ranks #55 out of 404 companies for FCF Margin %. This places Martin Marietta Materials in the top 14% of its industry — outperforming the majority of peers. The industry median FCF Margin % is 3.94. Martin Marietta Materials' value of 3.01% is 23.6% below this benchmark. Historically, Martin Marietta Materials' own FCF Margin % has ranged from 6.24 to 15.90 over the past decade. While the company's 10-year median is 11.38 vs. the industry median of 3.94, 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 FCF Margin % for a Building Materials company?
The median FCF Margin % among Building Materials companies is 3.94, based on 404 companies in the industry. Companies in the top quartile (top 25%) have a FCF Margin % significantly above this median, while those in the bottom quartile fall well below. However, FCF Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Martin Marietta Materials's current FCF Margin % of 3.01% is 23.6% 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 FCF Margin % mean?
A high FCF Margin % can signal that a stock is expensive relative to its fundamentals. Free cash flow margin is the ratio of total free cash flow to net sales. View historical data on Martin Marietta Materials and its competitors. For the Building Materials industry, the median FCF Margin % is 3.94 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Martin Marietta Materials's current FCF Margin % is 3.01%, which is 74% below median its own 10-year median of 11.38. 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?
Martin Marietta Materials (MIL:1MLM) has a current FCF Margin % of 3.01%. The stock's GF Value™ is €653.58, compared to a current price of €549.50 — trading 15.9% below its estimated fair value. The current FCF Margin % is 3.01%, which is 74% below median its 10-year median of 11.38 and 23.6% below the Building Materials industry median of 3.94. Martin Marietta Materials' overall GF Score™ is 92/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is FCF Margin % calculated?
FCF Margin % is calculated from a company's financial statements. For Martin Marietta Materials (MIL:1MLM), the current FCF Margin % is 3.01% 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 (MIL:1MLM) Overvalued in 2026?
Based on GuruFocus' analysis, Martin Marietta Materials stock appears to be undervalued.
The current stock price of €549.50 is trading 15.9% below its estimated GF Value™ of €653.58.
Key valuation signals for MIL:1MLM:
FCF Margin %: 3.01% (74% below median its 10-year median of 11.38)
GF Value™: €653.58 vs. price of €549.50 (15.9% below fair value)
Industry Position: 23.6% below the Building Materials median (#55 of 404)
No single metric tells the full story. See the MIL:1MLM 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.
92GF Score
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FCF Margin % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
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