Martin Marietta Materials, Inc. (MLM) Stock Price & How to Invest

Martin Marietta Materials is the second-largest construction aggregates producer in the United States, behind Vulcan Materials. The aggregates business model is identical to Vulcan: heavy aggregates products with high transport costs create local pricing power within each quarry's service area. Martin Marietta operates approximately 350 aggregates facilities across the US with concentration in Texas, Colorado, the Carolinas, and other high-growth states.

In addition to aggregates, Martin Marietta has a meaningful cement business in Texas through the acquisition of Texas Industries (TXI) and operates ready-mix concrete and asphalt businesses that integrate with the aggregates franchise. The cement business provides product mix diversification in a key growth market. Founded in 1939 as the Materials Service Corporation; current entity formed through 1996 separation from Lockheed Martin. Headquartered in Raleigh, North Carolina. Ward Nye has been CEO since 2010.

Construction cycle volatility. Energy costs affect operating margins. Texas market concentration creates regional exposure. Reserve permitting is increasingly difficult.

24 analysts publish price targets on MLM, averaging $661.54 against a $504.92 price as of September 2026, or +31.0%. The published targets run from $440.00 to $800.00, a moderate spread, and the ratings split 14 buy, 9 hold, 1 sell. Over the last six months there have been 3 raises and 8 cuts among the published actions. A price target is what an analyst published on a date, not a prediction, and sell-side ratings skew positive across the whole market.

Read the full MLM forecast and price target for the target table, the recent rating actions by firm, and how the consensus has shifted.

We give no verdict on Martin Marietta Materials, Inc.. Both cases are real, which is why the question is contested at all, so here is the strongest version of each.

The case for buying. Federal infrastructure tailwind. The Infrastructure Investment and Jobs Act drives multi-year highway and infrastructure aggregates demand. The most optimistic published target, $800.00, assumes this works close to its best case.

The case against. Construction cycle volatility. The most pessimistic target, $440.00, is roughly what MLM is worth if this bites instead.

Read the full bull and bear case on MLM, including what would have to change to break either one. Walnut is not an investment adviser.

No. Martin Marietta Materials, Inc. (MLM) has not split its stock in the last 10 years. That is a statement about the window we check rather than about the company’s entire history, so an older split is possible. It also matters less than it once did: fractional shares mean a high price per share no longer keeps smaller investors out, which removed most of the practical reason to split.

A simple financial snapshot. These are approximations and refresh quarterly; for current figures see Martin Marietta Materials, Inc.'s investor relations page or your broker.

• Revenue (TTM): ~$6.7 billion
• Operating margin: ~22%
• Net income (TTM): ~$1 billion
• EPS (TTM): ~$17.00
• P/E (TTM): ~30x
• Price to sales: ~5x
• Dividend yield: ~0.6%, with consistent annual growth
• Free cash flow: ~$1 billion annually
• Aggregates pricing growth: Mid-to-high single digits annually

Martin Marietta trades at a premium similar to (slightly below) Vulcan, reflecting the same durable aggregates pricing model, the federal infrastructure tailwind, and the Texas cement franchise. The valuation has expanded with the broader infrastructure thesis.

If you want MLM exposure as part of a larger bundle rather than directly, these ETFs hold it meaningfully. Weights are approximate and refresh quarterly.

These are the investment theses MLM naturally fits into. Each links to a full theme guide listing every other stock that belongs and the ETFs commonly used as a passive proxy.

Other names that sit close to MLM: same theme, named as a direct competitor, or held beside it in the same funds. Each entry says which. Worth a look if you are thinking about diversification within a thesis rather than concentration on one ticker.

There are three common ways to get MLM exposure. Buy shares (or fractional shares) directly at any major broker. Hold an ETF that includes it (XLB), which spreads the position across many companies. Or build it into a focused thematic portfolio, so MLM sits alongside other stocks that express the same thesis.

Walnut takes the portfolio route. Describe a thesis where MLM fits (for example “AI infrastructure” or “dividend-growth large-caps”) and the AI proposes 5 to 6 constituents with target weights. You review the plan and fund it through your own broker when you're ready.

New to this? Start with how to invest in stocks, see how to analyze a stock with AI, or compare the best AI stock analyzers.

Martin Marietta (MLM) is an aggregates-and-cement compounder whose regional pricing power and Texas cement exposure ride the federal infrastructure cycle, typically paired with Vulcan as the US aggregates duopoly. In a portfolio it behaves as a premium-valued industrials and infrastructure holding sensitive to the construction cycle, energy costs, and Texas concentration, valued on durable pricing growth more than a high yield.

Whether MLM is worth buying today depends more on your time horizon and what you already hold than on any single call. We walk through valuation, what would have to go right, and the risks in is MLM a buy or a sell?, and where the stock could go from here in the MLM stock forecast.

For income investors, whether MLM pays a dividend and how the payout looks is covered in does MLM pay a dividend? And to weigh MLM against a peer, read the full side-by-side comparisons: MLM vs VMC and MLM vs NUE.