Avoid the stress of overpaying for a stock or missing an opportunity by using the right tools and insights to evaluate Martin Marietta Materials, Inc. before investing.

In this article, we go over a few key elements for understanding Martin Marietta Materials, Inc.’s stock price such as:

• Martin Marietta Materials, Inc.’s current stock price and volume
• Why Martin Marietta Materials, Inc.’s stock price changed recently
• Upgrades and downgrades for MLM from analysts
• MLM’s stock price momentum as measured by its relative strength

About Martin Marietta Materials, Inc. (MLM)

Before we jump into Martin Marietta Materials, Inc.’s stock price, history, target price and what caused it to recently dip, let’s take a look at some background.

Martin Marietta Materials, Inc., a natural resource-based building materials company, supplies aggregates and heavy-side building materials to the construction industry in the United States and internationally. It operates through East Group and West Group segments. The company offers crushed stone, sand, and gravel products; ready mixed concrete and asphalt; and paving products and services for use in the infrastructure projects, and nonresidential and residential construction projects, as well as in the railroad, agricultural, utility, and environmental industries. It also produces magnesia-based chemicals products, and dolomitic lime primarily to customers for steel production and soil stabilization. Its chemical products are used in flame retardants, wastewater treatment, pulp and paper production, and other applications. The company was founded in 1939 and is based in Raleigh, North Carolina.

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Martin Marietta Materials, Inc.’s Stock Price as of Market Close

As of July 29, 2026, 4:00 PM, CST, Martin Marietta Materials, Inc.’s stock price was $569.660.

Martin Marietta Materials, Inc. is down 2.4% from its previous closing price of $583.670.

During the last market session, Martin Marietta Materials, Inc.’s stock traded between $567.440 and $588.000. Currently, there are approximately 60.30 million shares outstanding for Martin Marietta Materials, Inc..

Martin Marietta Materials, Inc.’s price-earnings (P/E) ratio is currently at 36.5, which is high compared to the Construction Materials industry median of 28. The price-earnings ratio gauges market expectation of future performance by relating a stock’s current share price to its earnings per share.

Martin Marietta Materials, Inc. Stock Price History

Martin Marietta Materials, Inc.’s (MLM) price is currently down 1.22% so far this month.

During the month of July, Martin Marietta Materials, Inc.’s stock price has reached a high of $607.190 and a low of $539.960.

Over the last year, Martin Marietta Materials, Inc. has hit prices as high as $710.970 and as low as $525.380. Year to date, Martin Marietta Materials, Inc.’s stock is down 8.51%.

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What Caused Martin Marietta Materials, Inc. Stock’s Price to Dip?

Stock prices are primarily based on seller supply and buyer demand. But have you ever wondered about what other factors affect a stock's price?

When an analyst changes their opinion of a stock by upgrading or downgrading their rating, it often leads to a sudden stock price adjustment. As of July 28, 2026, there was 1 analyst who downgraded Martin Marietta Materials, Inc.’s stock and 1 analyst who upgraded over the last month.

Additionally, you'll want to evaluate Martin Marietta Materials, Inc.’s financial health and valuation. Investors can use AAII's Value Grade, which combines six key valuation metrics like P/E and P/S ratios for a comprehensive analysis to conduct analysis on Martin Marietta Materials, Inc.’s valuation and financial health. This approach mitigates the limitations of single-metric evaluations.

Martin Marietta Materials, Inc.’s current valuation based on AAII’s Value Grade is a D, which means it is considered to be Expensive.

Learn how to evaluate stocks with AAII Grades and Scores with A+ Investor today.

Lastly, news and media coverage as well as recent press reports about the company or its industry may cause stock prices to fluctuate. You can check out the most recent news articles about Martin Marietta Materials, Inc. (MLM) by visiting AAII Stock Evaluator.

Relative Price Strength of Martin Marietta Materials, Inc.

Relative price strength measures a stock's performance against the market, helping investors identify stocks that are outperforming benchmarks.

For AAII’s Momentum Grade, a weighted relative price strength is calculated. Follow this link to learn more about the Momentum Grade.

As of July 28, 2026, Martin Marietta Materials, Inc. has a weighted four-quarter relative price strength of -4.34%, which translates to a Momentum Score of 37 and is considered to be Weak.

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Martin Marietta Materials, Inc. Stock Price: Bottom Line

As of July 29, 2026, Martin Marietta Materials, Inc.’s stock price is $569.660, which is down 2.4% from its previous closing price.

AAII advises against making stock decisions based solely on price or past returns. Instead, consider a variety of metrics, fundamentals, and analytics to evaluate a stock like Martin Marietta Materials, Inc. stock prices are influenced by market supply and demand and offer just a snapshot of a company's overall health.

Subscribing to AAII's A+ Investor provides access to comprehensive analytics and insights for confident investing.