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

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

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

About MasTec, Inc. (MTZ)

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

MasTec, Inc., an infrastructure engineering and construction company, provides engineering, building, installation, maintenance, and upgrade services for communications, energy, utility, and other infrastructure primarily in the United States and Canada. It operates through five segments: Communications, Clean Energy and Infrastructure, Power Delivery, Pipeline Infrastructure, and Other. The company builds infrastructure for wireless and wireline/fiber communications; clean energy infrastructure comprising renewable energy power generation; pipeline infrastructure, including natural gas, water, carbon capture sequestration, and other product transport; power delivery services, such as electrical and gas transmission, and distribution systems; industrial and heavy civil infrastructure, including roads, bridges, and rail; and water infrastructure. It also installs electrical and other gas distribution and transmission systems, power generation, civil and industrial facilities, pipelines, and fiber optic and other cables, as well as install-to-the-home services. In addition, the company offers maintenance and upgrade support services comprising maintenance of customers’ distribution facilities, networks, and infrastructure, including communications, power generation, pipeline, electrical distribution and transmission, and civil and industrial infrastructure; emergency restoration services for natural disasters and accidents; and routine replacements and upgrades to overhauls. Its customers include wireless and wireline/fiber service providers, broadband operators, install-to-the-home service providers, public and private energy providers, including renewable and other energy providers, pipeline operators, civil, transportation, and water and wastewater pipeline installation services, industrial infrastructure providers, as well as government entities. MasTec, Inc. was founded in 1929 and is headquartered in Coral Gables, Florida.

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MasTec, Inc.’s Stock Price as of Market Close

As of August 21, 2026, 4:00 PM, CST, MasTec, Inc.’s stock price was $266.260.

MasTec, Inc. is down 2.06% from its previous closing price of $271.860.

During the last market session, MasTec, Inc.’s stock traded between $263.080 and $278.590. Currently, there are approximately 78.08 million shares outstanding for MasTec, Inc..

MasTec, Inc.’s price-earnings (P/E) ratio is currently at 42.4, which is high compared to the Construction & Engineering industry median of 34.6. The price-earnings ratio gauges market expectation of future performance by relating a stock’s current share price to its earnings per share.

MasTec, Inc. Stock Price History

MasTec, Inc.’s (MTZ) price is currently up 1.2% so far this month.

During the month of August, MasTec, Inc.’s stock price has reached a high of $311.080 and a low of $252.450.

Over the last year, MasTec, Inc. has hit prices as high as $441.430 and as low as $171.050. Year to date, MasTec, Inc.’s stock is up 22.49%.

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What Caused MasTec, 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 August 21, 2026, there were 0 analysts who downgraded MasTec, Inc.’s stock and 1 analyst who upgraded over the last month.

Additionally, you'll want to evaluate MasTec, 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 MasTec, Inc.’s valuation and financial health. This approach mitigates the limitations of single-metric evaluations.

MasTec, Inc.’s current valuation based on AAII’s Value Grade is a F, which means it is considered to be Ultra Expensive.

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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 MasTec, Inc. (MTZ) by visiting AAII Stock Evaluator.

Relative Price Strength of MasTec, 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 August 21, 2026, MasTec, Inc. has a weighted four-quarter relative price strength of 1.48%, which translates to a Momentum Score of 56 and is considered to be Average.

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MasTec, Inc. Stock Price: Bottom Line

As of August 21, 2026, MasTec, Inc.’s stock price is $266.260, which is down 2.06% 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 MasTec, Inc. stock prices are influenced by market supply and demand and offer just a snapshot of a company's overall health.

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