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Arthur J. Gallagher & Co.
AJG - Company ID 0000354190
Market cap$65.19 B
Rank#260
Filings2,521
Market capitalization of Arthur J. Gallagher & Co.
As of 2026-07-09, Arthur J. Gallagher & Co. (AJG) has a market capitalization of $65.19 B, making it the #260 most valuable US-listed company.
Recent market cap readings
| Date | Market cap |
|---|---|
| 2026-07-09 | $65.19 B |
| 2026-07-08 | $65.92 B |
| 2026-07-07 | $65.42 B |
| 2026-07-06 | $64.38 B |
| 2026-07-05 | $64.85 B |
| 2026-07-04 | $64.85 B |
| 2026-07-03 | $64.85 B |
| 2026-07-02 | $64.59 B |
| 2026-07-01 | $61.57 B |
| 2026-06-30 | $58.50 B |
| 2026-06-29 | $57.58 B |
| 2026-06-28 | $58.06 B |
Market Cap of similar companies
Frequently asked questions
What is Arthur J. Gallagher & Co.'s market cap?
As of 2026-07-09, Arthur J. Gallagher & Co. (AJG) has a market capitalization of $65.19 B, making it the #260 most valuable US-listed company.
Where does Arthur J. Gallagher & Co. rank by market cap?
Arthur J. Gallagher & Co. is the #260 largest US-listed company by market capitalization.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.