QUANTA SERVICES INC (PWR) Stock Institutional Trading Activity


QUANTA SERVICES INC (PWR) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Joho Capital, Sequoia Financial Advisors, First Eagle U.S. Value, Greenhaven Associates, and Meritage Group. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

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Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q3 2019Greenhaven AssociatesSell-310,9202,461,146$93,031
Q2 2019Greenhaven AssociatesSell-14,4842,772,066$105,865
Q2 2019Renaissance Technologies LLCBuy383,400650,699$24,850
Q1 2019Renaissance Technologies LLCBuy6,700267,299$10,088
Q1 2019Greenhaven AssociatesBuy56,0002,786,550$105,164
Q4 2018Greenhaven AssociatesBuy152,2502,730,550$82,190
Q3 2018Greenhaven AssociatesBuy64,2002,578,300$86,064
Q3 2018Renaissance Technologies LLCSell-381,600260,599$8,699
Q2 2018Greenhaven AssociatesBuy1,253,4002,514,100$83,971
Q1 2018Greenhaven AssociatesBuy1,260,7001,260,700$43,305
Q1 2018Renaissance Technologies LLCBuy170,700642,199$22,060
Q4 2017Renaissance Technologies LLCBuy51,906471,499$18,440
Q3 2017Renaissance Technologies LLCSell-645,906419,593$15,680
Q2 2017Renaissance Technologies LLCBuy650,6001,065,499$35,076
Q3 2016Renaissance Technologies LLCSell-8,300414,899$11,613
Q2 2016Renaissance Technologies LLCBuy364,700423,199$9,784
Q2 2015Renaissance Technologies LLCSell-712,30058,499$1,686
Q1 2015Renaissance Technologies LLCBuy734,800770,799$21,991
Q4 2014Renaissance Technologies LLCSell-1,125,40035,999$1,022
Q2 2014Torray FundBuy8157,590$262
Q2 2014Renaissance Technologies LLCBuy736,4001,161,399$40,161
Q1 2014Torray FundBuy6,7756,775$250
Q1 2014Renaissance Technologies LLCBuy168,900424,999$15,682
Q4 2013Renaissance Technologies LLCSell-7,500256,099$8,082
Q3 2013Renaissance Technologies LLCSell-413,600263,599$7,252
Q2 2013Renaissance Technologies LLCBuy677,199677,199$17,919

Frequently asked questions about PWR activity

  • Which institutional owners are buying PWR?

    Institutional owners buying PWR include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in PWR activity?

    "Buy" means an investor increased their reported position in PWR compared to the prior reporting period. This reflects growing exposure to QUANTA SERVICES INC (PWR) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in PWR increasing?

    Institutional interest in PWR can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.