Institutional shares held 135 Million
1.5M calls
1.43M puts
Total value of holdings $60.1B
$667M calls
$635M puts
Market Cap $64.4B
143,023,008 Shares Out.
Institutional ownership 94.46%
# of Institutions 1,619


Latest Institutional Activity in PWR

Top Purchases

Q3 2025
Vanguard Group Inc Shares Held: 18.1M ($8.17B)
Q3 2025
Davenport & CO LLC Shares Held: 235K ($106M)
Q3 2025
Charles Schwab Investment Management Inc Shares Held: 1.1M ($494M)
Q3 2025
Massachusetts Financial Services CO Shares Held: 826K ($372M)
Q3 2025
Congress Asset Management CO Shares Held: 196K ($88.3M)

Top Sells

Q3 2025
Voya Investment Management LLC Shares Held: 118K ($53M)
Q3 2025
Jpmorgan Chase & CO Shares Held: 6.53M ($2.94B)
Q3 2025
Swedbank Ab Shares Held: 693K ($312M)
Q3 2025
Agf Management LTD Shares Held: 213K ($96M)
Q3 2025
Thrivent Financial For Lutherans Shares Held: 241K ($109M)

About PWR

Quanta Services, Inc. provides specialty contracting services worldwide. The Electric Power Infrastructure Solutions segment engages in the design, procurement, construction, upgrade, repair, and maintenance of electric power transmission and distribution infrastructure and substation facilities; energized installation, maintenance, and upgrade of electric power infrastructure projects; installation of smart grid technologies on electric power networks; and design, installation, maintenance, and repair of commercial and industrial wirings. This segment also offers aviation services; emergency restoration services; and other engineering and technical services; design and construction solutions to wireline and wireless communications, cable multi-system operators, and other customers; and training for electric workers, as well as training for the gas distribution and communications industries. The Renewable Energy Infrastructure Solutions segment is the involved in engineering, procurement, construction, upgrade, repair, and maintenance services to renewable generation facilities, such as wind, solar, and hydropower generation facilities, as well as battery storage facilities; and provision of engineering and construction services for substations and switchyards, transmission, and other electrical infrastructures. The Underground Utility and Infrastructure Solutions segment offers design, engineering, construction, upgrade repair, and maintenance services to customers involved in the transportation, distribution, storage and processing of natural gas, oil, and other products; fabrication of pipeline support systems and related structures and facilities; and engineering and construction of pipeline and storage systems, and compressor and pump stations. The company was formerly known as Fabal Construction, Inc. and changed its name to Quanta Services, Inc. in November 1997. Quanta Services, Inc. was incorporated in 1997 and is headquartered in Houston, Texas.


Insider Transactions at PWR

Insider Transaction List

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Date Insider Transaction Ownership Type Shares Traded Value / Price
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Last 12 Months Summary

Buy / Acquisition
190K Shares
From 16 Insiders
Exercise of conversion of derivative security 6.6K shares
Grant, award, or other acquisition 184K shares
Sell / Disposition
113K Shares
From 14 Insiders
Payment of exercise price or tax liability 78.8K shares
Bona fide gift 2.69K shares
Open market or private sale 32K shares

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