| PWR Market Cap History Table | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Below is a table of the PWR market cap history going back to 2/18/2010:
Also see: PWR Shares Outstanding History and PWR YTD Return |
PWR Market Cap History — Quanta Services Capitalization Over Time
As of 7/27/2026 Quanta Services has a market cap of 93.25 billion. Investors often follow the PWR market cap history to compare the size of the company over time.
This page shows PWR market capitalization trends over time, with 68 market cap datapoints presented, dating back to 2/18/2010.
| PWR Market Cap History Chart | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
PWR Historical Market Cap: +21.55% CAGR 
Mouse over chart for data details
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| PWR Stock Price Chart |
| About Quanta Services, Inc. |
| Quanta Services, Inc. is a contracting services company, delivering infrastructure solutions for the utility, renewable energy, communications, pipeline and energy industries. Its segments include Electric Power Infrastructure Solutions (Electric Power), Renewable Energy Infrastructure Solutions (Renewable Energy) and Underground Utility and Infrastructure Solutions (Underground and Infrastructure). Electric Power segment provides services primarily for electric power and for the communications market. Its services include design, procurement, new construction, upgrade and repair and maintenance services. We show 68 historical shares outstanding datapoints in our PWR shares outstanding history coverage, used to compute PWR market cap on those dates. Understanding the changing numbers of shares outstanding, the changing share price, and the resulting changing PWR market cap history over the course of time is important for investors interested in comparing PWR's market cap history versus its peers. Many "beginner" or "novice" investors will look at one stock trading at a price of $10 per share and another trading at a price of $20 per share and think the latter company is worth twice as much. Of course, that is a completely meaningless comparison without also knowing how many shares outstanding there are for each of the two companies, and then calculating their respective market caps. Comparing the share price of PWR versus a peer is one thing; comparing PWR market cap versus a peer is a completely different story. Furthermore, via fluctuation both in per-share price and in the number of shares outstanding (via issuance of new shares over time, the repurchase of existing shares), the market cap for a company like PWR can fluctuate over the course of history. With this page we aim to empower investors researching PWR by allowing them to research the PWR market cap history. |
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| Video: The Importance of Market Cap | |
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Video: The Importance of Market Cap
| PWR Share Performance |
| Market Cap Peers |
| Quanta Services (PWR) is categorized under the Industrials sector; to help you further research historical market cap numbers, below are some other companies in the same sector:
PYPL Market Cap History QBAK Market Cap History QNST Market Cap History QRHC Market Cap History QS Market Cap History QUAD Market Cap History R Market Cap History RAIL Market Cap History RAVN Market Cap History RBA Market Cap History More Industrials companies » |
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