Arthur J. Gallagher & Co. (AJG)
NYSE: AJG · Real-Time Price · USD
240.32
-2.99 (-1.23%)
At close: Sep 11, 2026, 4:00 PM EDT
268.07
+27.75 (11.55%)
After-hours: Sep 11, 2026, 7:38 PM EDT
Arthur J. Gallagher & Co. Market Cap
Arthur J. Gallagher & Co. has a market cap or net worth of $61.6 billion as of September 11, 2026. Its market cap has decreased by -18.05% in one year.
Market Cap
61.60B
Enterprise Value
74.32B
1-Year Change
-18.05%
Ranking
Category
Stock Price
$240.32
ChartMarket Cap Chart
Since December 1, 1998, Arthur J. Gallagher & Co.'s market cap has increased from $784.20M to $61.60B, an increase of 7,755.63%. That is a compound annual growth rate of 17.00%.
| Date | Market Cap | % Change |
|---|---|---|
| Sep 11, 2026 | 61.59B | -7.32% |
| Dec 31, 2025 | 66.46B | 6.71% |
| Dec 31, 2024 | 62.28B | 28.27% |
| Dec 29, 2023 | 48.55B | 22.14% |
| Dec 30, 2022 | 39.75B | 13.03% |
| Dec 31, 2021 | 35.17B | 47.82% |
| Dec 31, 2020 | 23.79B | 33.95% |
| Dec 31, 2019 | 17.76B | 31.23% |
| Dec 31, 2018 | 13.54B | 18.30% |
| Dec 29, 2017 | 11.44B | 23.74% |
| Dec 30, 2016 | 9.25B | 27.81% |
| Dec 31, 2015 | 7.23B | -4.79% |
| Dec 31, 2014 | 7.60B | 23.07% |
| Dec 31, 2013 | 6.17B | 43.23% |
| Dec 31, 2012 | 4.31B | 14.18% |
| Dec 30, 2011 | 3.77B | 22.45% |
| Dec 31, 2010 | 3.08B | 34.53% |
| Dec 31, 2009 | 2.29B | -6.90% |
| Dec 31, 2008 | 2.46B | 8.36% |
| Dec 31, 2007 | 2.27B | -21.65% |
| Dec 29, 2006 | 2.90B | -1.39% |
| Dec 30, 2005 | 2.94B | -2.10% |
| Dec 31, 2004 | 3.00B | 2.62% |
| Dec 31, 2003 | 2.93B | 13.22% |
| Dec 31, 2002 | 2.58B | -11.53% |
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Market Capitalization
Market capitalization, also called net worth, is the total value of all of a company's outstanding shares. It is calculated by multiplying the stock price by the number of shares outstanding.
Formula: Market Cap = Stock Price * Shares Outstanding
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