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ArcelorMittal
MT - CIK 0001243429
Market cap$52.59 B
Rank#312
SEC filings1,078
Market capitalization of ArcelorMittal
As of 2026-06-11, ArcelorMittal (MT) has a market capitalization of $52.59 B, making it the #312 most valuable US-listed company.
Recent market cap readings
| Date | Market cap |
|---|---|
| 2026-06-11 | $52.59 B |
| 2026-06-10 | $48.56 B |
| 2026-05-29 | $52.56 B |
| 2026-05-28 | $51.53 B |
| 2026-05-26 | $51.63 B |
| 2026-05-25 | $51.63 B |
| 2026-05-24 | $50.13 B |
| 2026-05-22 | $50.13 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 ArcelorMittal's market cap?
As of 2026-06-11, ArcelorMittal (MT) has a market capitalization of $52.59 B, making it the #312 most valuable US-listed company.
Where does ArcelorMittal rank by market cap?
ArcelorMittal is the #312 largest US-listed company by market capitalization.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.