Is Quanta Services Stock Outperforming the S&P 500?
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With a market cap of $51.7 billion, Quanta Services, Inc. (PWR) is a leading provider of specialized contracting services across the electric, gas, renewable energy, and communications sectors. Operating in the United States, Canada, Australia, and select international markets, Quanta delivers comprehensive infrastructure solutions through its Electric Power, Renewable Energy, and Underground Utility segments.
Companies valued at $10 billion or more are generally classified as “large-cap” stocks, and Quanta Services fits this criterion perfectly. The company’s expertise spans transmission and distribution networks, smart grid technologies, wind and solar power facilities, and natural gas systems, positioning it as a key player in modern energy infrastructure development.
Shares of the Houston, Texas-based company pulled back 3.5% from its 52-week high of $365.88. Quanta Services’ shares have climbed 43.5% over the past three months, significantly outperforming the broader S&P 500 Index’s ($SPX) 7.6% gain over the same time frame.

In the longer term, PWR stock is up 11.7% on a YTD basis, exceeding SPX’s 2.7% rise. Moreover, shares of the energy contractor have increased nearly 30% over the past 52 weeks, compared to the 12.7% return of the SPX over the same time frame.
The stock has been trading above its 50-day moving average since late April and its 200-day moving average since May.

Shares of Quanta Services jumped nearly 10% on May 1 after the company reported stronger-than-expected Q1 2025 results, posting adjusted EPS of $1.78 and revenue of $6.2 billion. The company also raised its full-year 2025 profit forecast to $10.05 per share - $10.65 per share, surpassing the average analyst estimate. Investor optimism was further fueled by strong demand driven by U.S. power grid modernization, data center construction linked to the AI boom, and the reshoring of manufacturing amid global supply chain shifts.
Additionally, PWR stock has outpaced its rival, EMCOR Group, Inc. (EME). EME stock has returned 22.9% over the past 52 weeks and 2.7% on a YTD basis.
Due to the stock’s strong performance over the past year, analysts remain bullish on PWR. The stock has a consensus rating of “Strong Buy” from the 24 analysts covering the stock, and as of writing, it is trading below the mean price target of $356.18.
On the date of publication, Sohini Mondal did not have (either directly or indirectly) positions in any of the securities mentioned in this article. All information and data in this article is solely for informational purposes. For more information please view the Barchart Disclosure Policy here.