Raleigh, North Carolina-based Martin Marietta Materials, Inc. (MLM) is a natural resource-based building materials company that supplies aggregates and heavy-side building materials to the construction industry in the United States and internationally. Valued at a market cap of $31.9 billion, the company operates through East Group and West Group segments.
MLM stock has lagged behind the broader market over the past year, falling 12% compared to the S&P 500 Index’s ($SPX) 18.7% surge. Moreover, in 2026, the stock has declined by nearly 14.6%, underperforming the SPX’s 12.2% rise.
