Martin Marietta Materials Inc

MLM: XNYS (USA)

Morningstar Rating for Stocks	Fair Value	Economic Moat	Capital Allocation
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Martin Marietta Earnings: Unremarkable but Solid Underlying Results Hidden by Acquisitions

Nicholas Lieb

Jul 31, 2026

Martin Marietta reported second-quarter sales growth of 21% year over year, but stripping out acquisitions and 3.7% price increases reveals 2.3% organic volume growth. The firm announced the purchase of Lhoist North America on June 27, paying $13.5 billion in enterprise value.

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Martin Marietta Materials Inc

Martin Marietta Earnings: Unremarkable but Solid Underlying Results Hidden by Acquisitions

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