MLM Stock Summary and Trading Ideas (Martin Marietta Materials | NYSE:MLM)

Martin Marietta Materials is one of the United States' largest producer of construction aggregates (crushed stone, sand, and gravel). Martin Marietta's most important markets include Texas, North Carolina, Colorado, California, and Georgia, accounting for most of its sales. The company also uses its aggregates in its asphalt and ready-mixed concrete businesses. Martin's magnesia specialties business produces magnesia-based chemical products and dolomitic lime.

Martin Marietta Materials trades on the NYSE stock market under the symbol MLM.

As of August 17, 2026, MLM stock price declined to $538.66 with 621,460 million shares trading.

MLM has a beta of 0.65, meaning it tends to be less sensitive to market movements. MLM has a correlation of 0.11 to the broad based SPY ETF.

MLM has a market cap of $32.36 billion. This is considered a Large Cap stock.

Last quarter Martin Marietta Materials reported $2 billion in Revenue and $5.00 earnings per share. This beat revenue expectation by $77 million and exceeded earnings estimates by $.13.

In the last 3 years, MLM traded as high as $710.97 and as low as $389.90.

The top ETF exchange traded funds that MLM belongs to (by Net Assets): VTI, VOO, VO, IVV, SPY.

MLM has underperformed the market in the last year with a price return of -11.5% while the SPY ETF gained +21.0%. MLM has also underperformed the stock market ETF in the last 3 month and 2 week periods returning -6.2% and +2.6%, respectively, while the SPY returned +3.5% and +3.4%, respectively.

MLM support price is $539.05 and resistance is $556.81 (based on 1 day standard deviation move). This means that using the most recent 20 day stock volatility and applying a one standard deviation move around the stock's closing price, stastically there is a 67% probability that MLM shares will trade within this expected range on the day.