Martin Marietta’s shares rose 2.4% after earnings, a modest move that fits a mixed update: record third-quarter performance and strong acquired-business contributions were offset by softer heritage shipments and unfavorable price-cost dynamics. The company lowered its 2026 guidance midpoints and expects those pressures to persist through the fourth quarter.
- Updated 2026 guidance midpoints are $7.8 billion in revenue and $2.48 billion in adjusted EBITDA; management cited stronger acquisition contributions partly offset by weaker near-term heritage operations.
- The Lhoist North America business generated $216 million in revenue and $115 million in cash gross profit from August 21 through September 30, ahead of the company’s initial expectations.
- For 2027, the preliminary outlook calls for mid- to high-single-digit mix-adjusted aggregates pricing growth, but mid-single-digit reported ASP growth as lower-priced acquired operations weigh on the comparison.
- Infrastructure remains the most resilient end market, while private construction is mixed: data-center project shipments more than doubled year over year in the third quarter, but rate-sensitive residential and light nonresidential activity softened in September and October.
- Elevated diesel and other energy costs pressured results; management expects softer heritage shipment trends and current price-cost dynamics to continue through the fourth quarter.
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