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MASTEC INC
MTZ - CIK 0000015615
Market cap$26.52 B
Rank#509
SEC filings1,705
Market capitalization of MASTEC INC
As of 2026-06-10, MASTEC INC (MTZ) has a market capitalization of $26.52 B, making it the #509 most valuable US-listed company.
Recent market cap readings
| Date | Market cap |
|---|---|
| 2026-06-10 | $26.52 B |
| 2026-05-29 | $29.34 B |
| 2026-05-28 | $30.22 B |
| 2026-05-26 | $30.87 B |
| 2026-05-25 | $30.19 B |
| 2026-05-24 | $30.19 B |
| 2026-05-22 | $29.80 B |
Readings accumulate daily as market data refreshes, combining SEC-reported share counts with live prices.
Market Cap of similar companies
Frequently asked questions
What is MASTEC INC's market cap?
As of 2026-06-10, MASTEC INC (MTZ) has a market capitalization of $26.52 B, making it the #509 most valuable US-listed company.
Where does MASTEC INC rank by market cap?
MASTEC INC is the #509 largest US-listed company by market capitalization.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.