Mastec Inc.
MasTec (NYSE: MTZ) is a North American infrastructure engineering and construction company that builds, installs, maintains and upgrades communications, energy, utility and other infrastructure for customers in those industries. Its work includes wireless and fiber networks, data center connectivity, renewable and… From the company’s description.
In fiscal 2025, Mastec Inc. reported revenue of $14.30B, up 16.3% from fiscal 2024, and net income of $422.01M. Its operating margin was 4.6%, and operations generated $545.71M in cash. Over the twelve months to Jun 30, 2026, revenue was $16.11B.
Margins and return on equity change in ; everything else in percent. Fewer shares and less debt are shown plainly, not as bad news — it depends what you make of buybacks. Dotted labels explain each measure. is shown separately from the annual figures.
What Mastec Inc. does
In the company’s own words
MasTec (NYSE: MTZ) is a North American infrastructure engineering and construction company that builds, installs, maintains and upgrades communications, energy, utility and other infrastructure for customers in those industries. Its work includes wireless and fiber networks, data center connectivity, renewable and conventional power generation, electric transmission and distribution, pipelines, roads, bridges, rail and environmental remediation. The company manages its operations through five reportable segments: Communications; Clean Energy and Infrastructure; Power Delivery; Pipeline Infrastructure; and Other, which includes equity investees and smaller international businesses. Services are delivered under multi-year master service agreements and contracts for specific projects. In 2025, MasTec had approximately 36,000 employees and 810 locations. Its history spans more than 95 years, including predecessor companies, and a business transformation initiated in 2021 expanded its renewable energy, power delivery, heavy civil and telecommunications operations. Its services are offered under the MasTec name and other service marks. Its website is mastec.com.
Company details
- Sector
- Industrials
- Industry (SIC)
- Construction
- Headquarters
- CORAL GABLES, FL
- Fiscal year end
- December
- CIK
- 15615
- SIC
- 1623
Financial performance, year by year
Fiscal 2013–2025 · USDThe full income statement, balance sheet and cash flow for each of these years — every figure traceable to its filing — is on the Financials tab with a free account.
Who owns Mastec Inc. — and what changed
Funds as of 2026Q2 · superinvestors as of 2026-06-30
Superinvestors in Mastec Inc. · what they did last quarter
Share of each manager’s reported 13F portfolio. Change is in shares held, since the previous quarter.
Largest fund holders · Mastec Inc.’s weight in each
Fund ownership is a floor, not a census — pensions, insurers and people holding shares directly are not visible here.
Mastec Inc.’s bonds, as funds hold them
Funds report holding 3 issues of Mastec Inc.’s debt, $490.36M at market value — what funds hold, not the company’s total debt. Weighted-average coupon 5.28%, maturing 2028 to 2029.
Fund ownership counts N-PORT filers only, so it is a floor rather than a census — pensions, insurers and direct holders are not visible here, and the remainder is not “held by individuals”.
Fund ownership is a subset of institutional 13F ownership — the two describe overlapping populations and must not be added together.
Every fund and institutional holder, quarter by quarter, is on the Ownership tab with a free account.
Recent filings
All filings →Each filing opens into its own statements and disclosures here.
Put this business in context.
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