Martin Marietta Materials (MLM)
Materials · Construction aggregates and materials
Martin Marietta Materials is the largest producer and distributor of construction aggregates in North America, operating quarries and a multi-modal transport network to supply essential building materials to highways, buildings, and infrastructure projects.
What Martin Marietta Materials does
Martin Marietta Materials is a major producer and distributor of construction aggregates, including sand, gravel, and crushed stone, serving the construction and infrastructure industries. The company operates quarries across the United States, the Bahamas, and Nova Scotia, and maintains a nationwide distribution network of 89 distribution yards connected by rail, truck, and waterborne transportation. The company's business model relies on geographic proximity to customers and efficient logistics to overcome the cost-sensitive, low-margin nature of aggregate sales. The company is pursuing growth through acquisitions, expanding high-growth markets, and optimizing its asset portfolio.
Themes: ["Construction materials","Infrastructure supply chain","Transportation and logistics","Consolidation and M&A","Rail and waterborne distribution","Real estate and development","Mining and extraction"]
Fundamentals
- Price$571.90 as of 2026-07-09 close
- Market cap$34.2B as of 2026-07-10
- 1-year return+0.9% as of 2026-07-09 close
- P/E13.48 as of 2026-07-10
- Net margin+38.7% as of 2026-07-10
- Gross margin+29.8% as of 2026-07-10
- ROE+25.1% as of 2026-07-10
- Debt / equity0.47 as of 2026-07-10
- Revenue growth (YoY)-1.3% as of 2026-07-10
- Revenue CAGR (3y)-0.1% SEC XBRL
- Beta1.11 as of 2026-07-10
Dividend: yield +0.6%; 5-year non-decreasing per-share dividend streak (SEC XBRL).
Key risks (from latest filing)
["Dependence on railroad performance, including track congestion, crew availability, and railcar availability; unfavorable railroad shipping contract negotiations can materially impact costs","Exposure to waterborne distribution risks including minimum tonnage requirements, demurrage costs, fuel volatility, ship availability, and weather disruptions affecting coastal operations","Cyclical demand tied to construction activity and economic conditions; revenue growth declined 1.28% YoY and earnings from continuing operations fell 24% in Q1 2026 versus prior year"]
Competitors & peers
- Vulcan Materials (VMC)
- U.S. Concrete (USCR)
- Granite Construction (GVA)
- Cemex (CX)
Fundamentals: Finnhub, as of 2026-07-10. Filings: SEC EDGAR. Prices are delayed daily-close data.
Last updated 2026-07-09.
Informational only — NOT financial advice. All figures are delayed daily-close data from SEC EDGAR & Finnhub, shown with their as-of date.