Bamco Inc. NY Increases Stake in Quanta Services

Institutional investor boosts holdings in construction and infrastructure company

Mar. 15, 2026 at 8:34am

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Bamco Inc. NY, an investment management firm, increased its stake in Quanta Services, Inc. (NYSE:PWR) by 0.7% in the third quarter of 2026, according to a recent SEC filing. The firm now owns 356,846 shares of the construction company's stock, worth approximately $147.9 million.

Why it matters

Quanta Services is a leading specialty contractor that provides infrastructure solutions for the electric power, pipeline, energy, and communications markets. As the company continues to grow and modernize critical energy and communications networks, institutional investors like Bamco Inc. NY are taking larger positions, indicating confidence in the company's long-term prospects.

The details

Bamco Inc. NY acquired an additional 2,371 shares of Quanta Services during the third quarter, bringing its total holdings to 356,846 shares. This represents a 0.7% increase in the firm's stake in the company. Quanta Services has seen its stock price rise significantly in recent months, driven by strong demand for its services and a positive outlook for the infrastructure sector.

  • Bamco Inc. NY increased its stake in Quanta Services during the third quarter of 2026.

The players

Bamco Inc. NY

An investment management firm that has increased its stake in Quanta Services, a leading specialty contractor in the infrastructure and energy sectors.

Quanta Services, Inc.

A construction company that provides engineering, procurement, construction, installation, maintenance, and repair services for electric power, pipeline, energy, and communications networks.

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The takeaway

Bamco Inc. NY's increased investment in Quanta Services reflects the growing institutional interest in companies that are well-positioned to benefit from the ongoing modernization and expansion of critical infrastructure in the United States. As the demand for Quanta's services continues to rise, the company's stock is likely to remain an attractive option for institutional investors seeking exposure to the infrastructure and energy sectors.