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Arthur J. Gallagher & Co.
AJG - Company ID 0000354190
Market cap$73.09 B
Rank#233
Filings2,521
Market capitalization of Arthur J. Gallagher & Co.
As of 2026-11-06, Arthur J. Gallagher & Co. (AJG) has a market capitalization of $73.09 B, making it the #233 most valuable US-listed company.
Recent market cap readings
| Date | Market cap |
|---|---|
| 2026-11-06 | $73.09 B |
| 2026-11-05 | $73.87 B |
| 2026-11-04 | $73.34 B |
| 2026-11-03 | $70.09 B |
| 2026-11-02 | $71.48 B |
| 2026-11-01 | $70.92 B |
| 2026-10-31 | $70.92 B |
| 2026-10-30 | $70.82 B |
| 2026-10-29 | $68.79 B |
| 2026-10-28 | $66.92 B |
| 2026-10-27 | $66.54 B |
| 2026-10-26 | $68.54 B |
Market Cap of similar companies
Frequently asked questions
What is Arthur J. Gallagher & Co.'s market cap?
As of 2026-11-06, Arthur J. Gallagher & Co. (AJG) has a market capitalization of $73.09 B, making it the #233 most valuable US-listed company.
Where does Arthur J. Gallagher & Co. rank by market cap?
Arthur J. Gallagher & Co. is the #233 largest US-listed company by market capitalization.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.