Mastec

At a glance

Mastec reported 2025 revenue of $14.3B, up 16.2% from $12.3B in 2024. Over 4 years since 2021 ($7.95B), that is growth of about 15.8% a year. 2025 was the highest revenue year in this period. The company posted a loss in 2023.

In the last 12 months 4 insiders reported 0 open-market purchases and 5 sales ($6.3M). None of the sales were flagged as 10b5-1 plan trades. The largest was a sale of $2.4M by Director Ernst N Csiszar on Jun 5, 2026.

Mastec filed 10 current reports (Form 8-K) in the last 12 months, most often for results of operations (4), material agreement (3), new financial obligation (3) and officer or director change (2). The latest officer or director change was reported on Jul 30, 2026. It reported a material agreement or a completed acquisition or disposal 3 times.

5 of the 20 investors tracked here held Mastec at the last quarter end, worth $901.9M combined. It is the largest weight for Lone Pine Capital (3.4% of its portfolio), followed by Third Point (2.6%). Added: Soros Fund Management. Reduced: Lone Pine Capital, Third Point, Coatue Management and Bridgewater Associates.

Annual results

Fiscal year ends Dec 31 · incorporated in FL

Tracked investors holding (13F)

Weight is the share of each investor's portfolio, as of the quarter end.