IBM - CIK 0000051143
As of 2026-06-10, INTERNATIONAL BUSINESS MACHINES CORP (IBM) has a market capitalization of $257.00 B, making it the #51 most valuable US-listed company.
| Date | Market cap |
|---|---|
| 2026-06-10 | $257.00 B |
| 2026-05-29 | $270.74 B |
| 2026-05-28 | $239.86 B |
| 2026-05-26 | $235.98 B |
| 2026-05-25 | $238.58 B |
| 2026-05-24 | $238.58 B |
| 2026-05-22 | $238.58 B |
Readings accumulate daily as market data refreshes, combining SEC-reported share counts with live prices.
As of 2026-06-10, INTERNATIONAL BUSINESS MACHINES CORP (IBM) has a market capitalization of $257.00 B, making it the #51 most valuable US-listed company.
INTERNATIONAL BUSINESS MACHINES CORP is the #51 largest US-listed company by market capitalization.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.