DNB Asset Management Sells Stake in MasTec

Investment firm reduces holdings in construction company by 23%

Feb. 27, 2026 at 9:24am

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DNB Asset Management AS, a Norwegian investment firm, has reduced its stake in MasTec, Inc. (NYSE: MTZ) by 23% in the third quarter, according to a recent 13F filing with the SEC. The firm now owns 280,566 shares of the construction company's stock, down from 364,548 shares previously.

Why it matters

MasTec is a major infrastructure construction company that works on projects ranging from communications networks to renewable energy. The change in DNB's holdings could signal a shift in investor sentiment around the company and the broader construction industry.

The details

According to the 13F filing, DNB Asset Management sold 83,982 shares of MasTec during the third quarter. The firm now owns a 0.36% stake in the company, down from 0.47% previously. MasTec's stock has seen strong performance in recent months, with the share price rising over 35% in the past year.

  • DNB Asset Management filed the 13F report disclosing the stake reduction in the third quarter of 2026.

The players

DNB Asset Management AS

A Norwegian investment management firm that oversees over $100 billion in assets.

MasTec, Inc.

A diversified infrastructure construction company that provides engineering, fabrication, installation and maintenance services across a range of end markets.

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The takeaway

The reduction in DNB Asset Management's stake in MasTec could signal a broader shift in investor sentiment around the construction industry, as infrastructure projects and renewable energy investments face economic headwinds. However, MasTec's strong stock performance suggests the company remains an attractive investment for some.