KEX - Company ID 0000056047
As of 2026-09-07, KIRBY CORP (KEX) has a market capitalization of $7.53 B, making it the #1127 most valuable US-listed company.
| Date | Market cap |
|---|---|
| 2026-09-07 | $7.53 B |
| 2026-09-06 | $7.53 B |
| 2026-09-05 | $7.53 B |
| 2026-09-04 | $7.53 B |
| 2026-09-03 | $7.66 B |
| 2026-09-02 | $7.58 B |
| 2026-09-01 | $7.54 B |
| 2026-08-31 | $7.56 B |
| 2026-08-30 | $7.44 B |
| 2026-08-29 | $7.44 B |
| 2026-08-28 | $7.45 B |
| 2026-08-27 | $7.48 B |
As of 2026-09-07, KIRBY CORP (KEX) has a market capitalization of $7.53 B, making it the #1127 most valuable US-listed company.
KIRBY CORP is the #1127 largest US-listed company by market capitalization.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.
| 2026-08-26 | $7.44 B |
| 2026-08-25 | $7.40 B |
| 2026-08-24 | $7.42 B |
| 2026-08-23 | $7.49 B |
| 2026-08-22 | $7.49 B |
| 2026-08-21 | $7.49 B |
| 2026-08-20 | $7.45 B |
| 2026-08-19 | $7.42 B |
| 2026-08-18 | $7.47 B |
| 2026-08-17 | $7.55 B |
| 2026-08-16 | $7.42 B |
| 2026-08-15 | $7.42 B |
| 2026-08-14 | $7.39 B |
| 2026-08-13 | $7.36 B |
| 2026-08-12 | $7.27 B |
| 2026-08-11 | $7.10 B |
| 2026-08-10 | $7.09 B |
| 2026-08-09 | $7.02 B |
Readings accumulate daily as market data refreshes, combining SEC-reported share counts with live prices.