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KIRBY CORP
KEX - CIK 0000056047
Market cap$7.47 B
Rank#1108
SEC filings2,462
Market capitalization of KIRBY CORP
As of 2026-06-11, KIRBY CORP (KEX) has a market capitalization of $7.47 B, making it the #1108 most valuable US-listed company.
Recent market cap readings
| Date | Market cap |
|---|---|
| 2026-06-11 | $7.47 B |
| 2026-06-10 | $7.47 B |
| 2026-05-29 | $7.53 B |
| 2026-05-28 | $7.66 B |
| 2026-05-26 | $7.71 B |
| 2026-05-25 | $7.66 B |
| 2026-05-24 | $7.66 B |
| 2026-05-22 | $7.66 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 KIRBY CORP's market cap?
As of 2026-06-11, KIRBY CORP (KEX) has a market capitalization of $7.47 B, making it the #1108 most valuable US-listed company.
Where does KIRBY CORP rank by market cap?
KIRBY CORP is the #1108 largest US-listed company by market capitalization.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.