Garrison Bradford & Associates Inc. Trims Quanta Services Stake

Investment firm reduces holding in construction and infrastructure services company

Apr. 11, 2026 at 10:27am

An extreme close-up of heavy, industrial construction machinery and equipment used by Quanta Services, dramatically lit against a dark background, conceptually representing the company's vital role in building critical infrastructure.Quanta Services' specialized construction equipment and infrastructure projects are the backbone of the company's growth, even as investor sentiment shifts.Houston Today

Garrison Bradford & Associates Inc., an investment management firm, has reduced its position in Quanta Services, Inc. (NYSE: PWR) by 14.7% during the fourth quarter, according to a recent SEC filing. The firm now owns 18,294 shares of the construction company's stock, valued at $7.72 million, making it the 4th largest holding in Garrison Bradford's portfolio.

Why it matters

Quanta Services is a leading provider of infrastructure services for the electric power, pipeline, and communications markets. The firm's reduced stake in the company could signal a shift in Garrison Bradford's investment strategy or a broader market trend around construction and infrastructure stocks.

The details

According to the SEC filing, Garrison Bradford & Associates sold 3,150 shares of Quanta Services during the fourth quarter, trimming its total position to 18,294 shares. The firm cited portfolio rebalancing and risk management as reasons for the reduction. Quanta Services' stock has seen strong performance, rising over 30% in the past year as the company benefits from increased infrastructure spending and the transition to renewable energy.

  • Garrison Bradford & Associates filed the 13F report disclosing the stake reduction on April 11, 2026.
  • The firm sold the 3,150 Quanta Services shares during the fourth quarter of 2025.

The players

Garrison Bradford & Associates Inc.

An investment management firm that owns a portfolio of stocks, including a significant position in Quanta Services.

Quanta Services, Inc.

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

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The takeaway

Garrison Bradford's reduced stake in Quanta Services could signal a broader shift in investor sentiment around construction and infrastructure stocks, as the industry faces both challenges and opportunities in the changing energy and communications landscape.