Quanta Services, Inc. (PWR) Institutional Ownership

Ownership Summary

According to SEC filings for the period ending December 2025, Quanta Services, Inc. (NYSE:PWR) is held by 72 institutional firms.

• The collective stake of institutional investors in Quanta Services moved to 1.0% in December 2025, a shift down from the 89.6% reported for September 2025.
• On a quarter-over-quarter basis, institutional holdings shifted by 2.87%, with a year-over-year a decrease of 94.33% in the count of filers.
• Of these 72 institutional investors, 30 increased their holdings in Quanta Services, while 27 of them reduced positions, and 15 investors maintained their exposure.
• This class of investors increased its holdings in Quanta Services to 1.51Mn shares for the 13F-cycle ending December 2025, up by 42.24K shares quarter on quarter, and down 134.26Mn shares year over year.
• NORDEA INVESTMENT MANAGEMENT AB continues to be the largest institutional holder of Quanta Services as of December 31, 2025, with a position of 535.87K shares, representing 0.36% of the company's outstanding stock.
• Among the most significant buyers of Quanta Services during December 2025 were SG Americas Securities, LLC (68.21K), PARK NATIONAL CORP /OH/ (42.46K), CARDEROCK CAPITAL MANAGEMENT INC (23.91K), ABNER HERRMAN & BROCK LLC (17.82K), New England Research & Management, Inc. (12.52K).
• Leading sellers of Quanta Services stock in December 2025 included NORDEA INVESTMENT MANAGEMENT AB (87.29K), CONGRESS ASSET MANAGEMENT CO (18.46K), Gradient Investments LLC (13.31K), Sarasin & Partners LLP (4.68K), Union Bancaire Privee, UBP SA (3.95K).
• The top 10 institutional holders of Quanta Services for the quarter ending December 2025 included NORDEA INVESTMENT MANAGEMENT AB (535.87K), CONGRESS ASSET MANAGEMENT CO (177.68K), NEVILLE RODIE & SHAW INC (130.63K), Union Bancaire Privee, UBP SA (103.98K), SG Americas Securities, LLC (74.30K), TruWealth Advisors, LLC (63.79K), Gradient Investments LLC (57.16K), PARK NATIONAL CORP /OH/ (42.46K), Teamwork Financial Advisors, LLC (37.55K), NorthCrest Asset Manangement, LLC (35.30K).