Congress Asset Management Co. Trims Holdings in Quanta Services

Institutional investor reduces stake in construction company by 9.4% in Q4 2025

Mar. 24, 2026 at 8:38am

Congress Asset Management Co. lowered its holdings in Quanta Services, Inc. (NYSE:PWR) by 9.4% in the fourth quarter of 2025, according to a recent SEC filing. The institutional investor now owns 177,684 shares of the construction company's stock, worth approximately $74.99 million.

Why it matters

Quanta Services is a major player in the construction and infrastructure sectors, providing services for electric power, pipeline, energy, and communications projects. Changes in institutional ownership can signal shifts in market sentiment and future performance expectations for the company.

The details

Congress Asset Management Co. sold 18,461 shares of Quanta Services stock during the fourth quarter, reducing its total position to 177,684 shares. The firm now owns approximately 0.12% of Quanta Services' outstanding shares. Several other hedge funds and institutional investors have also modified their holdings of Quanta Services in recent quarters.

  • Congress Asset Management Co. filed its Q4 2025 13F report with the SEC on March 24, 2026.

The players

Congress Asset Management Co.

An institutional investment management firm that provides portfolio management services to clients.

Quanta Services, Inc.

A leading specialty contractor that provides infrastructure solutions for the electric power, pipeline, energy, and communications markets.

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The takeaway

This filing highlights the shifting landscape of institutional ownership in Quanta Services, a key player in critical infrastructure development. The 9.4% reduction in Congress Asset Management's stake could signal broader market trends or changes in the firm's investment strategy, which will be important to monitor going forward.