Martin Marietta Materials (MLM)


Market Price (9/14/2026): $509.96 | Market Cap: $30.6 BilInvestor Relations Sector: Materials | Industry: Construction Materials

Martin Marietta Materials (MLM)


Market Price (9/14/2026): $509.96
Market Cap: $30.6 Bil
Sector: Materials
Industry: Construction Materials

Investment Highlights Why It Matters Detailed financial logic regarding cash flow yields vs trend-riding momentum.

0

Attractive yield
Total YieldTotal Yield = Earnings Yield + Dividend Yield, Earnings Yield = Net Income / Market Cap Dividend Yield = Total Dividends / Market Cap is 8.7%, ERPEquity Risk Premium (ERP) = Total Yield - Risk Free Rate, Reflects the premium above risk free assets offered by the investment. is 4.6%

Attractive cash flow generation
CFO/Rev LTMCash Flow from Operations / Revenue (Sales), Last Twelve Months (LTM) is 23%, FCF/Rev LTMFree Cash Flow / Revenue (Sales), Last Twelve Months (LTM) is 12%

Stock buyback support
Stock Buyback 3Y Total is 1.1 Bil

Low stock price volatility
Vol 12M is 28%

Megatrend and thematic drivers
Megatrends include Water Infrastructure, Sustainable Resource Management, and Sustainable & Green Buildings. Themes include Water Treatment & Delivery, Show more.

Weak multi-year price returns
2Y Excs Rtn is -39%, 3Y Excs Rtn is -53%

Key risks
MLM key risks include [1] its heavy dependence on uncertain public infrastructure funding and [2] a high fixed cost structure that makes profitability vulnerable to declining shipment volumes despite strong pricing power.

0 Attractive yield
Total YieldTotal Yield = Earnings Yield + Dividend Yield, Earnings Yield = Net Income / Market Cap Dividend Yield = Total Dividends / Market Cap is 8.7%, ERPEquity Risk Premium (ERP) = Total Yield - Risk Free Rate, Reflects the premium above risk free assets offered by the investment. is 4.6%
1 Attractive cash flow generation
CFO/Rev LTMCash Flow from Operations / Revenue (Sales), Last Twelve Months (LTM) is 23%, FCF/Rev LTMFree Cash Flow / Revenue (Sales), Last Twelve Months (LTM) is 12%
2 Stock buyback support
Stock Buyback 3Y Total is 1.1 Bil
3 Low stock price volatility
Vol 12M is 28%
4 Megatrend and thematic drivers
Megatrends include Water Infrastructure, Sustainable Resource Management, and Sustainable & Green Buildings. Themes include Water Treatment & Delivery, Show more.
5 Weak multi-year price returns
2Y Excs Rtn is -39%, 3Y Excs Rtn is -53%
6 Key risks
MLM key risks include [1] its heavy dependence on uncertain public infrastructure funding and [2] a high fixed cost structure that makes profitability vulnerable to declining shipment volumes despite strong pricing power.

MLM in ETFs

Weight = MLM's share of each fund

SPY0.05%
VOO0.05%
IVV0.05%
VTI0.04%
ITOT0.04%
IWB0.04%
RSP0.18%
VUG0.06%
+26 more covered ETFs

Valuation & Metrics

Price Chart

Why The Stock Moved

Qualitative Assessment

AI Analysis | Feedback

Updated on 9/1/2026

Martin Marietta Materials (MLM) stock has lost about 10% since 5/31/2026 because of the following key factors:

1. Shareholder concern over equity dilution from the Lhoist North America acquisition.

Martin Marietta Materials completed its $13.5 billion acquisition of Lhoist North America (LNA) on August 21, 2026. The financing structure for this acquisition included the issuance of over 10.9 million new shares, valued at $6.5 billion at the time of the deal's agreement, alongside a $7 billion cash component. This significant issuance of new shares generated concerns among investors regarding potential equity dilution, leading to downward pressure on the stock.

2. Fiscal Q2 2026 GAAP earnings miss and net earnings decline.

While Martin Marietta Materials reported adjusted earnings per share (EPS) of $5.00 for fiscal Q2 2026 (ended June 30, 2026), beating analyst estimates, its GAAP EPS of $4.17 missed the consensus estimate of $4.59 by 9.2%. Additionally, net earnings from continuing operations for fiscal Q2 2026 declined by 12% to $256 million compared to $292 million in fiscal Q2 2025, which contributed to investor apprehension despite an increase in overall revenue.

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Updated on 9/1/2026

Martin Marietta Materials (MLM) stock has lost about 10% since 5/31/2026 because of the following key factors:

1. Shareholder concern over equity dilution from the Lhoist North America acquisition.

Martin Marietta Materials completed its $13.5 billion acquisition of Lhoist North America (LNA) on August 21, 2026. The financing structure for this acquisition included the issuance of over 10.9 million new shares, valued at $6.5 billion at the time of the deal's agreement, alongside a $7 billion cash component. This significant issuance of new shares generated concerns among investors regarding potential equity dilution, leading to downward pressure on the stock.

2. Fiscal Q2 2026 GAAP earnings miss and net earnings decline.

While Martin Marietta Materials reported adjusted earnings per share (EPS) of $5.00 for fiscal Q2 2026 (ended June 30, 2026), beating analyst estimates, its GAAP EPS of $4.17 missed the consensus estimate of $4.59 by 9.2%. Additionally, net earnings from continuing operations for fiscal Q2 2026 declined by 12% to $256 million compared to $292 million in fiscal Q2 2025, which contributed to investor apprehension despite an increase in overall revenue.

3. Multiple analyst downgrades and reduced price targets.

During July and August 2026, several investment firms lowered their price targets and some downgraded their ratings for Martin Marietta Materials. For example, Wells Fargo & Company cut its price target from $616.00 to $581.00 on July 31, 2026, and Citigroup decreased its target from $737.00 to $690.00 on August 3, 2026. Wall Street Zen also downgraded the stock from a "hold" to a "sell" rating on July 28, 2026. These revisions reflected a more cautious outlook on the company's valuation and future performance.

4. Headwinds from increasing construction material costs and labor shortages.

The broader construction materials industry faced challenges from rising costs and labor constraints. Construction material prices in the US increased between 2.3% and 2.9% in May and June 2026, with forecasts suggesting potential annual inflation over 10% due to factors like the Iran conflict, higher energy and transportation costs, and intense demand for specific materials such as metals and electrical components. Concurrently, the US construction sector continued to grapple with a shrinking skilled workforce, with over 300,000 baby boomers retiring monthly, adding to operational cost pressures and project delays.

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Stock Movement Drivers

Fundamental Drivers

The -12.1% change in MLM stock from 5/31/2026 to 9/13/2026 was primarily driven by a -9.6% change in the company's P/E Multiple.
(LTM values as of)53120269132026Change
Stock Price ($)579.87509.96-12.1%
Change Contribution By: 
Total Revenues ($ Mil)6,3506,6885.3%
Net Income Margin (%)39.9%36.7%-7.9%
P/E Multiple13.812.5-9.6%
Shares Outstanding (Mil)60600.3%
Cumulative Contribution-12.1%

LTM = Last Twelve Months as of date shown

Market Drivers

5/31/2026 to 9/13/2026
ReturnCorrelation
MLM-12.1% 
Market (SPY)1.0%23.7%
Sector (XLB)-0.4%78.9%

Fundamental Drivers

The -24.3% change in MLM stock from 2/28/2026 to 9/13/2026 was primarily driven by a -65.2% change in the company's P/E Multiple.
(LTM values as of)22820269132026Change
Stock Price ($)673.68509.96-24.3%
Change Contribution By: 
Total Revenues ($ Mil)6,1506,6888.7%
Net Income Margin (%)18.5%36.7%98.7%
P/E Multiple35.812.5-65.2%
Shares Outstanding (Mil)60600.7%
Cumulative Contribution-24.3%

LTM = Last Twelve Months as of date shown

Market Drivers

2/28/2026 to 9/13/2026
ReturnCorrelation
MLM-24.3% 
Market (SPY)11.7%41.2%
Sector (XLB)-4.2%78.1%

Fundamental Drivers

The -16.7% change in MLM stock from 8/31/2025 to 9/13/2026 was primarily driven by a -62.8% change in the company's P/E Multiple.
(LTM values as of)83120259132026Change
Stock Price ($)612.13509.96-16.7%
Change Contribution By: 
Total Revenues ($ Mil)5,8256,68814.8%
Net Income Margin (%)18.9%36.7%94.4%
P/E Multiple33.512.5-62.8%
Shares Outstanding (Mil)60600.3%
Cumulative Contribution-16.7%

LTM = Last Twelve Months as of date shown

Market Drivers

8/31/2025 to 9/13/2026
ReturnCorrelation
MLM-16.7% 
Market (SPY)19.5%38.2%
Sector (XLB)12.0%66.6%

Fundamental Drivers

The 16.2% change in MLM stock from 8/31/2023 to 9/13/2026 was primarily driven by a 150.5% change in the company's Net Income Margin (%).
(LTM values as of)83120239132026Change
Stock Price ($)438.88509.9616.2%
Change Contribution By: 
Total Revenues ($ Mil)6,4646,6883.5%
Net Income Margin (%)14.7%36.7%150.5%
P/E Multiple28.712.5-56.5%
Shares Outstanding (Mil)62603.0%
Cumulative Contribution16.2%

LTM = Last Twelve Months as of date shown

Market Drivers

8/31/2023 to 9/13/2026
ReturnCorrelation
MLM16.2% 
Market (SPY)75.7%50.0%
Sector (XLB)29.7%64.5%

Return vs. Risk

Price Returns Compared

 202120222023202420252026Total [1]
Returns
MLM Return56%-23%49%4%21%-19%83%
Peers Return44%-20%59%31%0%-18%99%
S&P 500 Return27%-19%24%23%16%11%102%

Monthly Win Rates [3]
MLM Win Rate75%33%67%58%75%33% 
Peers Win Rate75%42%61%56%58%36% 
S&P 500 Win Rate75%42%67%75%67%44% 

Max Drawdowns [4]
MLM Max Drawdown-12%-33%-16%-19%-18%-29% 
Peers Max Drawdown-15%-37%-18%-18%-29%-31% 
S&P 500 Max Drawdown-5%-25%-10%-8%-19%-9% 


[1] Cumulative total returns since the beginning of 2021
[2] Peers: VMC, CRH, EXP, KNF. See MLM Returns vs. Peers.
[3] Win Rate = % of calendar months in which monthly returns were positive
[4] Max drawdown represents maximum peak-to-trough decline within a year
[5] 2026 data is for the year up to 9/11/2026 (YTD)

How Low Can It Go

EventMLMS&P 500
2025 US Tariff Shock
  % Loss-13.0%-18.8%
  % Gain to Breakeven14.9%23.1%
  Time to Breakeven22 days79 days
Summer-Fall 2023 Five Percent Yield Shock
  % Loss-13.0%-9.5%
  % Gain to Breakeven15.0%10.5%
  Time to Breakeven19 days24 days
2022 Inflation Shock & Fed Tightening
  % Loss-32.3%-24.5%
  % Gain to Breakeven47.8%32.4%
  Time to Breakeven356 days427 days
2020 COVID-19 Crash
  % Loss-44.2%-33.7%
  % Gain to Breakeven79.1%50.9%
  Time to Breakeven198 days140 days
Q4 2018 Fed Policy Error / Growth Scare
  % Loss-17.2%-19.2%
  % Gain to Breakeven20.8%23.8%
  Time to Breakeven8 days105 days
2015-2016 China Devaluation / Global Growth Scare
  % Loss-32.9%-12.2%
  % Gain to Breakeven48.9%13.9%
  Time to Breakeven106 days62 days

Compare to VMC, CRH, EXP, KNF

In The Past

Martin Marietta Materials's stock fell -13.0% during the 2025 US Tariff Shock. Such a loss loss requires a 14.9% gain to breakeven.

Preserve Wealth

Limiting losses and compounding gains is essential to preserving wealth.

Asset Allocation

Actively managed asset allocation strategies protect wealth. Learn more.

EventMLMS&P 500
2022 Inflation Shock & Fed Tightening
  % Loss-32.3%-24.5%
  % Gain to Breakeven47.8%32.4%
  Time to Breakeven356 days427 days
2020 COVID-19 Crash
  % Loss-44.2%-33.7%
  % Gain to Breakeven79.1%50.9%
  Time to Breakeven198 days140 days
2015-2016 China Devaluation / Global Growth Scare
  % Loss-32.9%-12.2%
  % Gain to Breakeven48.9%13.9%
  Time to Breakeven106 days62 days
2011 US Debt Ceiling Crisis & European Contagion
  % Loss-21.8%-17.9%
  % Gain to Breakeven27.9%21.8%
  Time to Breakeven147 days123 days
2008-2009 Global Financial Crisis
  % Loss-54.9%-53.4%
  % Gain to Breakeven122.0%114.4%
  Time to Breakeven1924 days1085 days
Summer 2007 Credit Crunch
  % Loss-22.4%-8.6%
  % Gain to Breakeven28.9%9.5%
  Time to Breakeven2737 days47 days

Compare to VMC, CRH, EXP, KNF

In The Past

Martin Marietta Materials's stock fell -13.0% during the 2025 US Tariff Shock. Such a loss loss requires a 14.9% gain to breakeven.

Preserve Wealth

Limiting losses and compounding gains is essential to preserving wealth.

Asset Allocation

Actively managed asset allocation strategies protect wealth. Learn more.

About Martin Marietta Materials (MLM)

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Martin Marietta Materials, Inc. (MLM) is a natural resource-based building materials company. Its core business involves supplying essential heavy-side building materials and aggregates to the construction industry across the United States and internationally. Essentially, the company provides the foundational raw materials needed to build and maintain infrastructure, commercial properties, and homes.

The company's primary products include crushed stone, sand, and gravel. It also produces ready-mixed concrete, asphalt, and offers paving products and services. A significant part of its business involves supplying Portland and specialty cement. Beyond traditional construction materials, Martin Marietta Materials diversifies its portfolio with magnesia-based chemicals used in industrial, agricultural, and environmental applications such as flame retardants and wastewater treatment, as well as dolomitic lime primarily for steel production and soil stabilization.

Martin Marietta Materials serves a broad spectrum of customers and markets. Its materials are critical for large-scale infrastructure projects, nonresidential construction (like commercial and industrial buildings), and residential housing developments. The company's products also cater to specialized sectors including railroad construction, agricultural uses, utility projects, and various environmental applications, with its chemical products particularly serving industrial and environmental sectors.

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Here are 1-3 brief analogies for Martin Marietta Materials (MLM):

  • Think of them as Caterpillar for construction materials, providing the essential stone, sand, and concrete that roads and buildings are made of, rather than the heavy equipment to build them.

  • They are like Dow Chemical for aggregates and concrete, supplying foundational industrial materials crucial for the construction industry.

  • Consider them the Intel inside infrastructure, providing the fundamental components like crushed stone, cement, and asphalt that form the backbone of roads, bridges, and buildings.

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  • Aggregates: Includes crushed stone, sand, and gravel products essential for construction and various industries.
  • Ready Mixed Concrete: A fundamental construction material used for various building and infrastructure projects.
  • Asphalt: A paving material used for roads, highways, and other surfaces.
  • Paving Products and Services: Materials and associated services for constructing and maintaining paved surfaces.
  • Cement: Comprises Portland and specialty cements, crucial binding agents for concrete and mortar.
  • Magnesia-Based Chemicals: Specialty chemical products utilized in industrial, agricultural, and environmental applications.
  • Dolomitic Lime: A product primarily used in steel production and for soil stabilization.

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C. Howard Nye, Chair of the Board, President and Chief Executive Officer

C. Howard Nye joined Martin Marietta in 2006 as President and Chief Operating Officer, became Chief Executive Officer in 2010, and assumed the role of Chair of the Board in 2014. Prior to his tenure at Martin Marietta, he spent nearly 13 years in progressively senior leadership roles with Hanson PLC, an international building materials company. This included serving as Executive Vice President of Hanson's North American building materials business and as President of Hanson Aggregates East from 2000 to 2003, where he had operating responsibility for over 150 facilities across 12 states with annual revenues exceeding $500 million. He also held positions as Vice President Business Development for Hanson Building Materials America and began his career as General Counsel for Hanson Aggregates East. Since 2018, Mr. Nye has served on the Board of Directors of General Dynamics Corporation.

Michael J. Petro, Senior Vice President and Chief Financial Officer

Michael J. Petro was appointed Senior Vice President and Chief Financial Officer of Martin Marietta, effective July 8, 2025. He joined the company in 2015 and has held positions of increasing responsibility, including Director, Vice President, and Senior Vice President of Strategy and Development. In these roles, he was instrumental in formulating and executing Martin Marietta's strategic growth initiatives, which included numerous portfolio-enhancing acquisitions and divestitures. Before joining Martin Marietta, Mr. Petro gained financial leadership experience as an investment banker at Wells Fargo Securities and as a consultant at PwC. He is a Certified Public Accountant (inactive).

Donald A. McCunniff, Executive Vice President and Chief Human Resources Officer

Donald A. McCunniff rejoined Martin Marietta in September 2024 as Executive Vice President and Chief Human Resources Officer. He previously served as Senior Vice President of Human Resources for the company from August 2011 until 2019. Mr. McCunniff brings over 20 years of human resources experience, having held senior-level human resource positions at CenturyLink, Inc., Armstrong World Industries, Inc., and Honeywell International, Inc. prior to his initial tenure at Martin Marietta. He began his career as a United States Army officer.

George F. Schoen, Executive Vice President, General Counsel and Corporate Secretary

George F. Schoen joined Martin Marietta in March 2026 as Executive Vice President, General Counsel and Corporate Secretary. Before joining Martin Marietta, Mr. Schoen was the Co-Chair of the Global Mergers & Acquisitions Practice at Cravath, Swaine & Moore LLP. He is recognized as a leading M&A and corporate governance attorney, with nearly three decades of experience advising on significant public company mergers and acquisitions, hostile transactions, shareholder activism defense, and strategic board-level counseling. His notable advisory work includes transactions for major corporations like Disney, Occidental Petroleum, and Precision Castparts.

Robert J. Cardin, Senior Vice President, Controller and Chief Accounting Officer

Robert J. Cardin was appointed Senior Vice President and Chief Accounting Officer of Martin Marietta in May 2019. He served as interim Chief Financial Officer from April 2025 until Michael J. Petro's appointment in July 2025. Mr. Cardin joined Martin Marietta in March 2019 as Vice President and Controller. Prior to that, he served as Chief Accounting Officer of SWM International, a NYSE-listed global manufacturer, from November 2013 to March 2019, and also as Interim CFO at SWM from April to October 2015. He is a Certified Public Accountant.

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Key Risks to Martin Marietta Materials (MLM)

  1. Cyclicality of the Construction Industry and Economic Downturns: Martin Marietta Materials, as a supplier of heavy-side building materials, is highly susceptible to the cyclical nature of the construction industry. Economic slowdowns, fluctuations in interest rates, and changes in demand for construction projects directly impact the demand for the company's products, such as aggregates, concrete, and asphalt. Any downturn in infrastructure, nonresidential, or residential construction can adversely affect the company's revenues and profitability.
  2. Regulatory and Environmental Challenges: The company operates within a highly regulated environment, with its business activities subject to various federal, state, and local regulations. Key challenges include navigating complex permitting processes, land use approvals, and environmental obligations, which can be time-consuming and costly. Zoning restrictions and community opposition can make it increasingly difficult to develop new quarries or expand existing ones, directly impacting Martin Marietta's ability to secure and maintain essential aggregates reserves.
  3. Competition and the Challenge of Replacing Aggregates Reserves: Martin Marietta Materials faces significant competition in securing high-quality aggregates reserves, particularly near growing markets. The long-term sustainability of its core business relies on its ability to continually replace depleting reserves with economically viable and permitted deposits. Failure to secure new reserves could adversely affect the company's capacity to serve customers and impact its operations.

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Martin Marietta Materials (MLM) operates in several addressable markets related to building materials and chemical products. The estimated market sizes for their main products and services are provided below, with clarification on the region for each market.

Aggregates (Crushed Stone, Sand, and Gravel)

  • The U.S. aggregates market was valued at approximately USD 164.65 billion in 2024.

Ready Mixed Concrete

  • The U.S. ready-mix concrete market was worth over USD 130 billion in 2024.

Asphalt and Paving Products and Services

  • The U.S. asphalt market size was USD 261.91 million in 2024.
  • The U.S. Paving Contractors industry, which includes paving services, had a market size of USD 17.6 billion in 2026.

Portland and Specialty Cement

  • The U.S. cement market size was USD 18.7 billion in 2024.

Magnesia-Based Chemicals Products

  • The global magnesium oxide market, a broader category for magnesia-based chemicals, was estimated at USD 6.19 billion in 2025.
  • The global caustic calcined magnesia market size was valued at USD 25.67 billion in 2025.
  • The global magnesium hydroxide market was valued at USD 897 million in 2024.

Dolomitic Lime

  • The global Dolomite Lime market is projected to reach an estimated USD 6.28 billion by 2025.
  • The U.S. dolomite market, which includes dolomitic lime, generated a revenue of USD 541.9 million in 2022 and is expected to reach USD 934.8 million by 2030.

AI Analysis | Feedback

Martin Marietta Materials (MLM) is poised for future revenue growth over the next 2-3 years, driven by several key factors in the construction and industrial sectors.

One primary driver is the ongoing deployment of **federal and state infrastructure spending**. The Bipartisan Infrastructure Investment and Jobs Act (IIJA) is expected to continue providing a robust, multi-year pipeline of projects, fueling demand for the company's aggregates and heavy-side building materials.

The company's strong **pricing power and disciplined price increases** are anticipated to significantly contribute to revenue growth. Management expects mid-single-digit pricing improvements, particularly in the core aggregates business, which has consistently demonstrated an ability to increase prices.

**Growth in non-residential construction** markets, including data centers, LNG facilities, energy infrastructure, and domestic manufacturing, represents another important driver. This sector has shown strong demand and is expected to maintain its momentum. Notably, data center volumes are growing rapidly, providing meaningful operating leverage.

An expected **recovery in residential construction** is also a key factor. While currently experiencing some softness, a rebound is anticipated as interest rates stabilize or reverse and mortgage rates moderate, which will further bolster demand for building materials.

Finally, **strategic acquisitions and ongoing portfolio optimization** are expected to drive revenue. Recent actions, such as the QUIKRETE asset exchange and the acquisition of Premier Magnesia and certain CRH assets, are aimed at de-risking the business profile, enhancing margin durability, and expanding the company's aggregates and specialties segments.

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Share Repurchases

  • Martin Marietta Materials reported share repurchases of $450 million in 2025.
  • The company also reported $450 million in annual share buybacks in 2024.
  • As of December 31, 2025, approximately 11.0 million shares remained authorized for future repurchase.

Share Issuance

There have been no significant share issuances over the last 3-5 years; instead, the number of outstanding shares has generally declined due to repurchases.

Outbound Investments

  • In 2021, Martin Marietta invested $3.1 billion in acquisitions, including its largest acquisition of Lehigh Hanson, Inc.'s West Region business for $2.3 billion in cash.
  • In February 2024, the company acquired 20 aggregates operations from Blue Water Industries LLC for $2.05 billion in cash as part of its expansion in the southeastern United States.
  • In July 2025, Martin Marietta acquired Premier Magnesia, LLC to expand its Specialties business. The company also completed an asset exchange with Quikrete Holdings, Inc. in February 2026, acquiring aggregates operations in several regions.

Capital Expenditures

  • Cash paid for property, plant and equipment additions was $807 million for the year ended December 31, 2025.
  • Capital expenditures for 2025 were anticipated to range between $810 million and $840 million, primarily for opportunistic land purchases.
  • Planned capital spending for 2026 is projected to be $575 million, representing a 29% reduction year-over-year, signaling a return to more sustainable levels.

Better Bets vs. Martin Marietta Materials (MLM)

Peer Outperformance in Construction Materials

MLM has trailed 67% of its 6 Construction Materials peers over 5Y. Construction Materials ranks 6th of 15 industries in Materials by median 5Y return.
Share of Construction Materials constituents that MLM has outperformed, by holding period. Peers without a full price history over a given window are excluded from that window.
1Y
71%
of 7 industry peers · -16.7% return
3Y
43%
of 7 industry peers · 19.0% return
5Y
33%
of 6 industry peers · 45.4% return
No Construction Materials peer with a comparable growth profile has beaten MLM by more than 20pp over 5Y.
Median price return by industry across the Materials sector, ranked by 5Y. Construction Materials is MLM's own industry. Use this to see which corners of the sector have carried the returns.
Industry Names 1Y med3Y med5Y med Top 3 by 5Y
Copper 7 73.5%86.3%292.5% COPR 1050% · TGB 338% · HBM 335%
Steel 13 27.6%45.6%163.1% HCC 344% · NWPX 323% · AMR 322%
Silver 6 106.1%332.7%149.9% AYA 258% · HL 228% · SVM 182%
Gold 34 28.2%196.7%148.9% IAG 755% · CNL 485% · KGC 445%
Aluminum 3 68.8%117.1%61.8% CENX 246% · KALU 62% · AA 6%
Construction Materials ← 7 -20.5%19.6%49.7% USLM 352% · CRH 82% · SMID 54%
Diversified Metals & Mining 23 -13.3%1.6%18.8% ATLX 216329% · USAR 52115% · TII 699%
Metal, Glass & Plastic Containers 10 -6.3%10.6%5.6% KRT 167% · MYE 67% · GEF 49%
Paper & Plastic Packaging Products & Materials 7 4.5%4.7%-11.8% PKG 82% · CCK 13% · SON -7%
Specialty Chemicals 41 7.4%-4.2%-13.0% ODC 461% · NEU 202% · CMT 91%
Commodity Chemicals 12 18.6%-14.4%-23.8% HWKN 275% · MEOH 76% · LXU 72%
Diversified Chemicals 4 -2.5%-28.5%-28.8% CBT 78% · ASH -15% · CC -43%
Precious Metals & Minerals 8 38.9%181.8%-31.3% ASM 599% · PPTA 390% · MTA 37%
Fertilizers & Agricultural Chemicals 10 -5.6%-5.7%-31.7% CF 220% · CTVA 110% · NTR 53%
Paper Products 3 -20.3%-51.3%-96.0% CLW -39% · MERC -96% · ITP -96%
Median of constituents with a full price history over each window. Top names are unfiltered by size in this render.

Latest Trefis Analyses

Recent Active Movers

Peer Comparisons

Peers to compare with:

Financials

MLMVMCCRHEXPKNFMedian
NameMartin M.Vulcan M.CRH Eagle Ma.Knife Ri. 
Mkt Price509.96252.7488.55185.1257.63185.12
Mkt Cap30.632.859.15.73.330.6
Rev LTM6,6888,11638,6322,3253,3076,688
Op Inc LTM1,4171,6115,4285402751,417
FCF LTM8101,0272,76617143810
FCF 3Y Avg7538892,53530848753
CFO LTM1,5191,8045,4196323131,519
CFO 3Y Avg1,5311,6125,0605802911,531

Growth & Margins

MLMVMCCRHEXPKNFMedian
NameMartin M.Vulcan M.CRH Eagle Ma.Knife Ri. 
Rev Chg LTM14.8%6.9%6.3%1.7%12.1%6.9%
Rev Chg 3Y Avg1.7%2.3%7.2%2.0%8.3%2.3%
Rev Chg Q21.0%2.5%5.6%2.6%12.6%5.6%
QoQ Delta Rev Chg LTM5.3%0.7%1.5%0.7%3.3%1.5%
Op Inc Chg LTM1,868.1%9.9%6.7%-9.0%6.5%6.7%
Op Inc Chg 3Y Avg620.1%11.1%-12.1%-3.9%8.8%8.8%
Op Mgn LTM21.2%19.8%14.1%23.2%8.3%19.8%
Op Mgn 3Y Avg22.3%19.1%13.8%25.7%9.3%19.1%
QoQ Delta Op Mgn LTM-1.5%-0.2%0.1%-1.2%-0.5%-0.5%
CFO/Rev LTM22.7%22.2%14.0%27.2%9.5%22.2%
CFO/Rev 3Y Avg25.3%20.7%13.8%25.3%9.6%20.7%
FCF/Rev LTM12.1%12.7%7.2%7.3%1.3%7.3%
FCF/Rev 3Y Avg12.4%11.4%6.9%13.5%1.6%11.4%

Valuation

MLMVMCCRHEXPKNFMedian
NameMartin M.Vulcan M.CRH Eagle Ma.Knife Ri. 
Mkt Cap30.632.859.15.73.330.6
P/S4.64.01.52.51.02.5
P/Op Inc21.620.410.910.611.911.9
P/EBIT21.919.89.910.011.711.7
P/E12.529.415.514.223.415.5
P/CFO20.218.210.99.110.510.9
Total Yield8.7%4.2%7.3%7.6%4.3%7.3%
Dividend Yield0.7%0.8%0.8%0.6%0.0%0.7%
FCF Yield 3Y Avg2.2%2.5%4.2%4.4%1.2%2.5%
D/E0.20.10.30.30.50.3
Net D/E0.20.10.30.30.50.3

Returns

MLMVMCCRHEXPKNFMedian
NameMartin M.Vulcan M.CRH Eagle Ma.Knife Ri. 
1M Rtn-6.8%-10.4%-8.9%-11.2%-13.2%-10.4%
3M Rtn-11.5%-11.6%-16.5%-13.9%-25.1%-13.9%
6M Rtn-12.4%-4.4%-10.6%-0.5%-26.6%-10.6%
12M Rtn-16.7%-13.7%-20.8%-20.3%-26.1%-20.3%
3Y Rtn19.0%20.2%74.5%5.3%11.7%19.0%
1M Excs Rtn-4.9%-8.5%-8.1%-11.1%-13.3%-8.5%
3M Excs Rtn-13.2%-13.2%-18.7%-18.2%-27.6%-18.2%
6M Excs Rtn-27.7%-18.6%-25.3%-15.2%-41.1%-25.3%
12M Excs Rtn-34.1%-30.7%-36.5%-36.7%-43.9%-36.5%
3Y Excs Rtn-53.2%-51.4%-3.7%-69.3%-52.8%-52.8%

Comparison Analyses

Financials

Segment Financials

Revenue by Segment
$ Mil20252024202320222021
Aggregates5,0044,5144,3023,8793,344
Other Building Materials9921,0781,479  
Specialties441320315304299
Interproduct revenues-287-250-245-205-404
Asphalt and paving services   788518
Cement and ready mixed concrete   1,395 
Cement    509
Ready Mixed Concrete    1,148
Total6,1505,6625,8516,1615,414


Operating Income by Segment
$ Mil20222021202020192015
East Group640622522527 
West Group588385471367206
Specialties7591718469
Corporate-97-124-59-93 
Cement    48
Mid-America Group    207
Southeast Group    16
corporate    -66
Total1,2079741,005885479


Assets by Segment
$ Mil20222021202020192015
West Group7,9088,2655,3565,3222,622
East Group5,0645,0094,3424,321 
Corporate1,830950715313 
Specialties192169168176148
Cement    1,940
Mid-America Group    1,305
Southeast Group    583
corporate    365
Total14,99414,39310,58110,1326,962


Price Behavior

Price Behavior
Market Price$509.96 
Market Cap ($ Bil)30.6 
First Trading Date02/17/1994 
Distance from 52W High-27.7% 
   50 Days200 Days
DMA Price$545.30$597.42
DMA Trenddowndown
Distance from DMA-6.5%-14.6%
 3M1YR
Volatility32.6%28.2%
Downside Capture137.55109.17
Upside Capture56.7667.27
Correlation (SPY)20.0%37.8%
MLM Betas & Captures as of 8/31/2026

 1M2M3M6M1Y3Y
Beta1.920.800.560.930.840.84
Up Beta1.63-0.86-0.530.720.710.83
Down Beta3.061.621.191.300.870.62
Up Capture149%68%38%42%56%69%
Bmk +ve Days10213268138427
Stock +ve Days11213358130392
Down Capture278%191%102%127%106%101%
Bmk -ve Days11213259113324
Stock -ve Days10213169120358

[1] Upside and downside betas calculated using positive and negative benchmark daily returns respectively
Based On 1-Year Data
Annualized
Return
Annualized
Volatility
Sharpe
Ratio
Correlation
with MLM
MLM-16.9%28.2%-0.66-
Sector ETF (XLB)14.0%17.9%0.5866.4%
Equity (SPY)18.3%12.8%1.0338.4%
Gold (GLD)19.0%29.2%0.5919.2%
Commodities (DBC)48.3%20.6%1.80-33.7%
Real Estate (VNQ)7.6%13.6%0.2942.1%
Bitcoin (BTCUSD)-32.4%43.8%-0.7712.4%

Smart multi-asset allocation framework can stack odds in your favor. Learn How
Based On 5-Year Data
Annualized
Return
Annualized
Volatility
Sharpe
Ratio
Correlation
with MLM
MLM6.8%27.2%0.24-
Sector ETF (XLB)5.5%19.1%0.1870.0%
Equity (SPY)12.5%17.2%0.5561.3%
Gold (GLD)18.7%18.8%0.8110.1%
Commodities (DBC)11.4%19.5%0.46-2.0%
Real Estate (VNQ)0.7%18.9%-0.0754.4%
Bitcoin (BTCUSD)9.4%52.6%0.3625.5%

Smart multi-asset allocation framework can stack odds in your favor. Learn How
Based On 10-Year Data
Annualized
Return
Annualized
Volatility
Sharpe
Ratio
Correlation
with MLM
MLM11.6%31.0%0.42-
Sector ETF (XLB)9.8%20.7%0.4267.8%
Equity (SPY)15.2%17.9%0.7257.9%
Gold (GLD)12.3%16.3%0.624.2%
Commodities (DBC)8.7%18.1%0.3911.9%
Real Estate (VNQ)4.7%20.7%0.1952.7%
Bitcoin (BTCUSD)63.2%66.2%1.0317.8%

Smart multi-asset allocation framework can stack odds in your favor. Learn How

Short Interest

Short Interest: As Of Date8312026
Short Interest: Shares Quantity2.7 Mil
Short Interest: % Change Since 815202619.6%
Average Daily Volume0.6 Mil
Days-to-Cover Short Interest4.4 days
Basic Shares Quantity60.1 Mil
Short % of Basic Shares4.5%

Earnings Returns History

Updated 9/1/2026
Expand for More
 Forward Returns
Earnings Date1D Returns5D Returns21D Returns
7/30/2026-5.2%-2.9%-7.2%
4/30/20261.0%0.4%-5.1%
2/11/2026-6.6%-6.5%-16.9%
11/4/20251.0%-0.4%0.0%
8/7/20250.4%3.7%4.3%
4/30/20253.8%6.0%8.6%
2/12/2025-2.2%-1.5%-11.9%
10/30/20243.6%-0.2%2.0%
...
SUMMARY STATS   
# Positive171414
# Negative71010
Median Positive3.1%4.7%8.2%
Median Negative-2.9%-1.6%-6.5%
Max Positive7.5%8.9%15.2%
Max Negative-6.6%-6.5%-16.9%
Collapse to Preview
 Forward Returns
Earnings Date1D Returns5D Returns21D Returns
7/30/2026-5.2%-2.9%-7.2%
4/30/20261.0%0.4%-5.1%
2/11/2026-6.6%-6.5%-16.9%
11/4/20251.0%-0.4%0.0%
8/7/20250.4%3.7%4.3%
4/30/20253.8%6.0%8.6%
2/12/2025-2.2%-1.5%-11.9%
10/30/20243.6%-0.2%2.0%
8/8/20240.1%-2.4%-6.5%
4/30/2024-2.6%-0.5%-6.4%
2/14/20242.3%1.7%15.2%
11/1/20237.4%8.7%13.8%
7/27/2023-2.9%-1.7%-4.6%
5/4/20235.6%8.8%12.8%
2/15/20237.5%1.4%-6.8%
11/2/2022-3.4%2.9%9.5%
7/28/20222.2%5.8%7.8%
5/3/20223.1%-6.4%-5.0%
2/10/20221.0%2.1%-3.0%
11/2/20214.4%8.9%2.9%
7/29/2021-0.0%-0.3%4.7%
5/4/20215.3%5.9%0.8%
2/9/20211.7%8.2%13.5%
10/29/20206.5%2.6%9.5%
SUMMARY STATS   
# Positive171414
# Negative71010
Median Positive3.1%4.7%8.2%
Median Negative-2.9%-1.6%-6.5%
Max Positive7.5%8.9%15.2%
Max Negative-6.6%-6.5%-16.9%

SEC Filings

Expand for More
Report DateFiling DateFiling
06/30/202607/30/202610-Q
03/31/202604/30/202610-Q
12/31/202502/19/202610-K
09/30/202511/04/202510-Q
06/30/202508/07/202510-Q
03/31/202504/30/202510-Q
12/31/202402/21/202510-K
09/30/202410/30/202410-Q
06/30/202408/08/202410-Q
03/31/202404/30/202410-Q
12/31/202302/23/202410-K
09/30/202311/01/202310-Q
06/30/202307/27/202310-Q
03/31/202305/04/202310-Q
12/31/202202/24/202310-K
09/30/202211/02/202210-Q
Collapse to Preview
Report DateFiling DateFiling
06/30/202607/30/202610-Q
03/31/202604/30/202610-Q
12/31/202502/19/202610-K
09/30/202511/04/202510-Q
06/30/202508/07/202510-Q
03/31/202504/30/202510-Q
12/31/202402/21/202510-K
09/30/202410/30/202410-Q
06/30/202408/08/202410-Q
03/31/202404/30/202410-Q
12/31/202302/23/202410-K
09/30/202311/01/202310-Q
06/30/202307/27/202310-Q
03/31/202305/04/202310-Q
12/31/202202/24/202310-K
09/30/202211/02/202210-Q
06/30/202207/28/202210-Q
03/31/202205/03/202210-Q
12/31/202102/22/202210-K
09/30/202111/02/202110-Q
06/30/202107/29/202110-Q
03/31/202105/04/202110-Q
12/31/202002/19/202110-K
09/30/202010/29/202010-Q
06/30/202007/28/202010-Q
03/31/202005/05/202010-Q
12/31/201902/21/202010-K
09/30/201910/30/201910-Q

Recent Forward Guidance

Updated 7/31/2026

Latest: Q2 2026 Earnings Reported 7/30/2026

Forward GuidanceGuidance Change
MetricSourceLowMidHigh% Chg% DeltaChangePrior
2026 Annualized Cash Flow ImprovementsReported 350.00 Mil    
2026 RevenueReported7.20 Bil7.30 Bil7.40 Bil2.0% RaisedGuidance: 7.16 Bil for 2026
2026 Adjusted EBITDAReported2.36 Bil2.43 Bil2.50 Bil0 AffirmedGuidance: 2.43 Bil for 2026


Prior: Q1 2026 Earnings Reported 4/30/2026

Forward GuidanceGuidance Change
MetricSourceLowMidHigh% Chg% DeltaChangePrior
2026 Net earnings from continuing operations attributable to Martin MariettaReported1.06 Bil1.11 Bil 1.4% RaisedGuidance: 1.10 Bil for 2026
2026 Volume % growthReported11.0%12.0%  10.0%RaisedGuidance: 2.0% for 2026
2026 Organic volume % growthReported1.0%2.0%    
2026 ASP % growthReported1.5%2.5%  -2.5%LoweredGuidance: 5.0% for 2026
2026 Organic ASP % growthReported4.0%5.0%    
2026 RevenueReported7.00 Bil7.16 Bil 8.5% RaisedGuidance: 6.60 Bil for 2026
2026 Adjusted EBITDA from continuing operationsReported2.36 Bil2.43 Bil 8.7% RaisedGuidance: 2.23 Bil for 2026
2026 Capital expendituresReported550.00 Mil575.00 Mil 0 AffirmedGuidance: 575.00 Mil for 2026

Q4 2025 Earnings Reported 2/11/2026

Forward GuidanceGuidance Change
MetricSourceLowMidHigh% Chg% DeltaChangePrior
2026 Net earnings from continuing operations attributable to Martin MariettaReported1.04 Bil1.10 Bil1.16 Bil   
2026 Consolidated net earnings attributable to Martin MariettaReported1.24 Bil1.30 Bil1.36 Bil   
2026 Aggregates Volume % growthReported1.0%2.0%3.0%   
2026 Aggregates ASP % growthReported4.0%5.0%6.0%   
2026 RevenueReported6.42 Bil6.60 Bil6.78 Bil7.1% Higher NewGuidance: 6.16 Bil for 2025
2026 Aggregates Gross profitReported1.81 Bil1.85 Bil1.90 Bil   
2026 Other Building Materials Gross profitReported80.00 Mil95.00 Mil110.00 Mil   
2026 Specialties Business Gross profitReported150.00 Mil160.00 Mil170.00 Mil   
2026 Adjusted EBITDA from continuing operationsReported2.16 Bil2.23 Bil2.31 Bil   
2026 Consolidated Adjusted EBITDAReported2.41 Bil2.48 Bil2.56 Bil7.1% Higher NewGuidance: 2.32 Bil for 2025
2026 Interest expense, net of interest incomeReported200.00 Mil205.00 Mil210.00 Mil   
2026 Estimated tax rateReported20.0%20.5%21.0%   
2026 Capital expendituresReported550.00 Mil575.00 Mil600.00 Mil   

Q3 2025 Earnings Reported 11/4/2025

Forward GuidanceGuidance Change
MetricSourceLowMidHigh% Chg% DeltaChangePrior
2025 Aggregates Volume % growthReported 4.0%  1.5%RaisedGuidance: 2.5% for 2025
2025 Aggregates ASP % growthReported6.8%7.3%7.8% 0AffirmedGuidance: 7.3% for 2025
2025 RevenueReported6.08 Bil6.16 Bil6.25 Bil-11.6% LoweredGuidance: 6.97 Bil for 2025
2025 Consolidated Adjusted EBITDAReported2.30 Bil2.32 Bil2.34 Bil0.9% RaisedGuidance: 2.30 Bil for 2025
2026 Aggregates Volume % growthReported      
2026 Aggregates ASP % growthReported      

Insider Activity

Updated 8/4/2026
Expand for More
#OwnerTitleHoldingActionFiling DatePriceSharesTransacted
Value
Value of
Held Shares
Form
1Perez, Laree E DirectSell8112025613.321,038636,6269,455,554Form
Collapse to Preview
#OwnerTitleHoldingActionFiling DatePriceSharesTransacted
Value
Value of
Held Shares
Form
1Perez, Laree E DirectSell8112025613.321,038636,6269,455,554Form

Investor Activity (13F)

Updated Sep 14, 2026
13F holdings as of Mar 31, 2026 (Q1 2026)

Active managers (13F portfolio over $250M, at least 3 holdings) with a position over $5M that is either over 10% of their portfolio or held in a concentrated book of 50 or fewer total positions. Index/ETF, sovereign, bank, community-bank and charitable/donor-advised filers are excluded.

Active ManagerValue% of PortfolioTotal PositionsQoQFiling
Camrose Capital Investment Partners LLP$80.5 Mil10.5%10ADD +20.3%13F
Quantum Capital Management, LLC / NJ$53.2 Mil6.8%34New13F
One Madison Group LLC$53.6 Mil6.2%28ADD +40.0%13F
Mcdonald Capital Investors Inc/Ca$88.3 Mil6.0%21Hold13F
Drummond Knight Asset Management Pty Ltd$15.4 Mil5.4%14TRIM -18.2%13F
RDST Capital LLC$56.0 Mil5.4%20TRIM -6.3%13F
M.D. Sass, LLC$60.7 Mil4.6%36ADD +13.1%13F
Coalescence Partners Investment Management, LP$18.1 Mil3.9%12New13F
Progeny 3, Inc.$66.6 Mil3.6%32Hold13F
Hawk Ridge Capital Management LP$94.5 Mil3.4%48TRIM -17.4%13F
Skye Global Management LP$157.8 Mil3.4%44Hold13F
Harvey Partners, LLC$37.6 Mil3.1%45ADD +25.0%13F
D1 Capital Partners L.P.$190.1 Mil1.7%44New13F
Weitz Investment Management, Inc.$23.4 Mil1.6%49Hold13F
Ycg, LLC$13.3 Mil1.2%42ADD +10.3%13F
Stockbridge Partners LLC$19.0 Mil0.5%16New13F
Active ManagerValue% of PortfolioTotal PositionsQoQFiling
D1 Capital Partners L.P.$190.1 Mil1.7%44New13F
Quantum Capital Management, LLC / NJ$53.2 Mil6.8%34New13F
Stockbridge Partners LLC$19.0 Mil0.5%16New13F
Coalescence Partners Investment Management, LP$18.1 Mil3.9%12New13F
One Madison Group LLC$53.6 Mil6.2%28ADD +40.0%13F
Harvey Partners, LLC$37.6 Mil3.1%45ADD +25.0%13F
Camrose Capital Investment Partners LLP$80.5 Mil10.5%10ADD +20.3%13F
M.D. Sass, LLC$60.7 Mil4.6%36ADD +13.1%13F
Ycg, LLC$13.3 Mil1.2%42ADD +10.3%13F
Active ManagerValue% of PortfolioTotal PositionsQoQFiling
Drummond Knight Asset Management Pty Ltd$15.4 Mil5.4%14TRIM -18.2%13F
Hawk Ridge Capital Management LP$94.5 Mil3.4%48TRIM -17.4%13F
RDST Capital LLC$56.0 Mil5.4%20TRIM -6.3%13F
Active ManagerValue% of PortfolioTotal PositionsQoQFiling
D1 Capital Partners L.P.$190.1 Mil1.7%44New13F
Skye Global Management LP$157.8 Mil3.4%44Hold13F
Hawk Ridge Capital Management LP$94.5 Mil3.4%48TRIM -17.4%13F
Mcdonald Capital Investors Inc/Ca$88.3 Mil6.0%21Hold13F
Camrose Capital Investment Partners LLP$80.5 Mil10.5%10ADD +20.3%13F
Progeny 3, Inc.$66.6 Mil3.6%32Hold13F
M.D. Sass, LLC$60.7 Mil4.6%36ADD +13.1%13F
RDST Capital LLC$56.0 Mil5.4%20TRIM -6.3%13F
One Madison Group LLC$53.6 Mil6.2%28ADD +40.0%13F
Quantum Capital Management, LLC / NJ$53.2 Mil6.8%34New13F
Harvey Partners, LLC$37.6 Mil3.1%45ADD +25.0%13F
Weitz Investment Management, Inc.$23.4 Mil1.6%49Hold13F
Stockbridge Partners LLC$19.0 Mil0.5%16New13F
Coalescence Partners Investment Management, LP$18.1 Mil3.9%12New13F
Drummond Knight Asset Management Pty Ltd$15.4 Mil5.4%14TRIM -18.2%13F
Ycg, LLC$13.3 Mil1.2%42ADD +10.3%13F

MLM Trade Sentinel


Stock Conviction

Neutral / Watch

CONVICTION RATIONALE

Conviction is neutral pending more data. The company is executing a promising strategic shift into higher-margin materials, supported by infrastructure demand. However, core business momentum has slowed, with organic volume growth decelerating to 2.3% in the latest quarter. The upcoming earnings report must confirm the new portfolio can offset this slowdown.

STOCK ARCHETYPE
Transactional / Commodity

Revenue = (Aggregates Volume x Aggregates ASP) + (Specialties Volume x Specialties ASP) + Other Building Materials Revenue Price-cost spread in the Aggregates segment, driven by pricing power outpacing cost inflation, and margin expansion in the growing Specialties segment.

Looking for high-conviction positions with a better risk/reward profile? See what's currently in the Trefis High Quality Portfolio.
INVESTMENT THESIS
Can a portfolio shift to higher-value materials override a cyclical slowdown?

Evidence suggests the company is successfully building a more durable business, though near-term organic trends are weakening.

Mechanism: The recent LNA combination adds a high-margin Specialties business, while divestitures of cyclical assets and a new $350 million cash flow improvement plan aim to expand margins and cash generation.
Supporting Evidence:
  • The LNA combination establishes the company as the nation's leading producer of limestone products.
  • Management has identified $350 million in run-rate pretax cash flow improvement opportunities.
  • Over 70% of planned data center and manufacturing construction is within 55 miles of a company facility.
  • Full-year 2026 revenue guidance was raised by 2.0% in July 2026.
PRIMARY RISK
Decelerating Core Business

The core aggregates business is showing clear signs of slowing, with both volume and pricing growth decelerating significantly. This may signal a cyclical peak that the LNA acquisition cannot fully offset.

Mechanism: A continued decline in organic shipment volumes in the next earnings report would confirm the slowdown.
Supporting Evidence:
  • Organic aggregates shipments grew just 2.3% in Q2 2026, a sharp slowdown from 7.2% in Q1 2026.
  • Organic mix-adjusted pricing grew 3.7%, lagging peer Vulcan Materials' 5% growth in the same period.
  • Trailing-twelve-month gross margin declined 1.8 percentage points to 28.2%.
  • The company affirmed 2026 adjusted EBITDA guidance despite raising its revenue outlook.
Key KPI Watchlist
KPI Status Rationale
Aggregates Shipments (Volume) GrowthOrganic aggregates shipments grew 2.3% year-over-year in Q2 2026, while total shipments increased 17.0% to 61.6 million tons. - DeceleratingWhile total shipment growth accelerated due to recent acquisitions, the underlying organic volume growth has decelerated for the first time in four quarters. Management noted that strong organic shipment momentum in the Central and West Divisions contributed to growth, but the overall organic trend indicates a slowdown in core demand.
Aggregates Average Selling Price (ASP) GrowthOrganic average selling price (ASP) increased 3.7% year-over-year in Q2 2026 on a mix-adjusted basis, while reported ASP decreased 2.0%. - DeceleratingManagement attributes the negative 2.0% reported ASP to acquisition mix headwinds. While the underlying organic, mix-adjusted pricing remains positive at 3.7%, this figure still represents a clear deceleration from prior periods, suggesting moderating pricing power.
Aggregates Shipments (tons) (Q2 2026)Measures the physical volume of aggregates sold, indicating underlying demand from construction activity. Growth signals a strong market.
Aggregates Average Selling Price (ASP) per ton (Q2 2026)Indicates the realized price per unit of aggregates. Rising ASP demonstrates pricing power and can offset cost inflation. The reported figure can be affected by geographic and acquisition mix.
Core Investment Debate

Strategic Overhaul vs. Organic Slowdown

BULL VIEW

Bulls believe the transformational LNA acquisition and focus on aggregates creates a higher-quality earnings stream, supported by durable infrastructure and data center demand that will power through near-term softness.

CORE TENSION

Can the portfolio transformation and secular tailwinds offset the organic slowdown from 7.2% to 2.3% volume growth, which prompted a recent -8.0% post-earnings stock decline?


PREVAILING SENTIMENT
NEUTRAL

The latest evidence favors the bears. The deceleration in core KPIs is factual and the market has reacted negatively, shifting the burden of proof to the company's next earnings report.

BEAR VIEW

Bears see the sharp deceleration in organic volumes to 2.3% and pricing lagging peers as a clear sign of a cyclical peak, which will pressure margins and make the LNA integration more difficult.

Next 6 months: Risks and Catalysts
Timeline Event & Metric To Watch
September 16, 2026
Trade Receivable Facility Matures
Watch: The company's Trade Receivable Facility matures.
10/28/2026
Negative Peer Read-Through
Watch: Peer reports of weak volumes, pricing, or outlooks for construction materials, particularly in overlapping geographies.
in connection with the release of its third-quarter financial results
Updated Full-Year Guidance
Watch: Company will provide updated full-year 2026 guidance reflecting the LNA transaction.
11/3/2026
Peer CRH Earnings Report
Watch: Peer CRH (CRH) is scheduled to report earnings.
No set date
Margin Disappointment at Q3 Earnings
Watch: Q3 results showing continued gross margin compression or a full-year EBITDA guide that is not raised despite LNA contribution.
No set date
LNA Integration Headwinds
Watch: Management commentary on integration challenges, higher-than-expected costs, or a weaker-than-expected contribution from LNA in the updated guidance.
Key Events in Last 6 Months
Date Event Stock Impact
2026-08-24
Lhoist North America Combination Completed
Details: The company announced on August 24 that it had completed its combination with Lhoist North America on August 21, 2026.
-0.6%
$534.05 -> $530.88
2026-08-12
LNA Financing and Dividend Increase
Details: The company announced pricing for a multi-tranche debt offering on August 12 to fund the LNA deal and, on August 13, increased its quarterly cash dividend.
-1.6%
$552.77 -> $543.88
2026-07-30
Q2 Earnings and Guidance Update
Details: On July 30, the company reported Q2 revenues increased 21%, raised full-year 2026 revenue guidance by 2.0%, but reaffirmed its Adjusted EBITDA guidance.
-7.8%
$568.74 -> $524.29
2026-06-29
Lhoist North America Combination Announced
Details: The company announced a definitive agreement to combine with Lhoist North America for $13.5 billion in cash and stock, expected to close in the second half of 2026.
-6.4%
$615.06 -> $575.77
2026-04-30
Q1 Earnings and New Frontier Acquisition
Details: On April 30, the company reported Q1 revenues increased 17%, reaffirmed full-year guidance, and announced a definitive agreement to acquire New Frontier Materials.
+0.3%
$610.98 -> $612.62
2026-03-21
Analyst Upgrade to Buy
Details: An analyst note on March 21 upgraded the stock to a buy, citing strong operating margins, positive FY26 EBITDA guidance, and robust dividend growth.
+1.8%
$565.74 -> $575.83
Risk Management
Position Sizing

4% - 6%

NORMAL POSITION

Sizing is volatility-based: MLM trades at roughly 29% annualized options-implied volatility versus about 13% for the S&P 500 (2.2x the market), around the 75th percentile of its own trailing year. A 4% - 6% position keeps a single-name swing of that size within a diversified portfolio's risk budget.

Diversification Alternatives
VMC - Vulcan Materials Company
Pure-Play U.S. Peer

VMC offers a similar pure-play exposure to U.S. aggregates markets without the integration complexity of MLM's recent large-scale LNA combination. The company recently posted stronger organic pricing.

Core Thesis: A direct investment in U.S. construction activity, benefiting from the same infrastructure and non-residential trends as MLM.
CRH - CRH plc
Global Diversified Leader

CRH provides global diversification and a more integrated model across a wider range of materials and building solutions. Its revenue base is 5.8 times larger than MLM's, offering greater scale.

Core Thesis: An investment in a global, scaled, and integrated building materials provider executing its own growth and acquisition strategy.
How Is The Market Pricing MLM?

MLM is a geographically-entrenched, aggregates-led materials supplier transforming into a more durable, higher-margin business by acquiring upstream assets and shedding cyclical downstream operations.

MLM's core business is selling heavy, low-cost materials where transportation is a major cost component, creating local moats around its quarries. The company is actively optimizing its portfolio, divesting cement and concrete to focus on its more profitable aggregates business. The recent large-scale combination with Lhoist North America significantly expands its high-margin Specialties segment, adding another durable earnings stream tied to industrial and environmental applications.

What will confirm the thesis

What will damage the thesis

Noise: Real but irrelevant to thesis

Short-term weather impacts on quarterly shipments, minor fluctuations in residential construction data.

Repricing Catalyst

The successful integration of the transformational Lhoist North America combination, which closed in August 2026, and the realization of expected synergies and cash flow benefits.

What MLM Makes & Who Pays
TTM figures based on fiscal year 2025 filings (the latest reported segment data)
Specialties
$441M TTM (7% of Total)
What It Is

Sells high-purity magnesia-based products and dolomitic lime to domestic and worldwide customers in environmental, industrial, agricultural, and specialty applications, including steel production.

Who Pays & How

Industrial and agricultural companies pay for these products for use in applications like flame retardants, wastewater treatment, and steel production. Customers choose this segment for its specific product chemistries and quality.

Transactional sales based on customer orders.
Competition
Competes on quality, price, technological advances, and technical support.
The segment's moat is its ownership of sufficient reserves of dolomitic limestone, brine, and magnesite, and its production facilities.
MLM Evolution: Price Return by Era
2021-2023 · Aggregates-Centric Foundation (2021-2023)
+83%
Other segments like Cement, Ready Mixed Concrete, and Asphalt were smaller, complementary businesses.
2024-2026 · Portfolio Optimization & Specialties Expansion (2024-2026)
+4%
The company executed a strategic shift to become more 'aggregates-led' by divesting cement and ready-mixed concrete operations, including a major asset exchange with QUIKRETE in early 2026. Concurrently, it significantly expanded its Specialties business through the acquisition of Premier Magnesia in 2025 and the transformational combination with Lhoist North America in mid-2026.
Market Appears To Be Acting Against Core Thesis
Price structure is in a downtrend. Multiple SMA levels broken and declining. Thesis requires reclaiming 200D before any bull case is credible. Relative to SPY: Lagging the market on the 63D window, but 'relative strength' is beginning to stabilize; watch for inflection. Volume and momentum are deeply bearish. The sustained distribution is evident across multiple volume metrics. Earnings history is a strong counter-signal. The market has consistently rejected the narrative. This is not noise, but institutional disagreement.
① Structure
-4
Structural pillar score (-4 to +4). Driven by trend regime, SMA cross events, proximity to 52W high, and relative strength vs SPY.
② Volume / Momentum
-3
Volume/Momentum pillar score (-4 to +4). Driven by institutional footprint score, OBV divergence, and momentum character.
③ Catalyst
-3
Catalyst pillar score (-4 to +4). Driven by earnings day reaction, 20D post-earnings drift, and post-earnings volume character.
Combined Score
-10 / 12
1 Price Structure & Trend Downtrend · -
2 Momentum Deteriorating
3 Relative Strength vs. SPY Strong Underperformance
4 Institutional Footprint & Volume Mild Distribution
5 Volatility Normal
6 Key Price Levels Range · Vol Flat
7 Earnings Reaction History Inconsistent
8 How the Verdict Is Derived Three Pillars
Core Cache Last Updated: 9/13/2026