As of October 2026 MasTec has a market cap of HK$112.03 Billion. This makes MasTec the world's 1513th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.
On Oct 28th, 2026 the market cap of MasTec was reported to be: