Ticker League

Current

$56.05B

As of Jun 15, 2026

5-Year Average

$52.18B

All-Time High

$90.48B

Jun 2, 2025

All-Time Low

$1.47B

Mar 3, 2009

Market cap daily chart for Arthur J. Gallagher & (AJG)

Jun 16, 2021 – Jun 15, 2026 · 1,255 trading days

Market Cap growth chart for Arthur J. Gallagher & (AJG) from 1985 to 2026

Latest: -16.8%

Market Cap history table for Arthur J. Gallagher & (AJG) from 1985 to 2026

  • 2026$56.05B-16.8%
  • 2025$67.37B+6.0%
  • 2024$63.55B+28.9%
  • 2023$49.32B+21.8%
  • 2022$40.48B+15.1%
  • 2021$35.17B+45.8%
  • 2020$24.12B+33.3%
  • 2019$18.10B+31.9%
  • 2018$13.72B+19.1%
  • 2017$11.52B+24.3%
  • 2016$9.27B+30.7%
  • 2015$7.09B-2.4%
  • 2014$7.26B+18.6%
  • 2013$6.12B+44.3%
  • 2012$4.24B+12.8%
  • 2011$3.76B+19.3%
  • 2010$3.15B+39.2%
  • 2009$2.27B-7.3%
  • 2008$2.44B+4.0%
  • 2007$2.35B-19.0%
  • 2006$2.90B-2.3%
  • 2005$2.97B-3.4%
  • 2004$3.07B+1.5%
  • 2003$3.03B+11.8%
  • 2002$2.71B-12.9%
  • 2001$3.11B+9.4%
  • 2000$2.84B+83.5%
  • 1999$1.55B+84.3%
  • 1998$840.61M+35.6%
  • 1997$619.92M+15.8%
  • 1996$535.23M-17.3%
  • 1995$647.12M+27.2%
  • 1994$508.86M-23.5%
  • 1993$665.09M+44.3%
  • 1992$460.86M+40.3%
  • 1991$328.41M+11.8%
  • 1990$293.82M-6.3%
  • 1989$313.44M+32.8%
  • 1988$236.04M+24.2%
  • 1987$190.02M-34.2%
  • 1986$288.64M+35.4%
  • 1985$213.20M

Market Cap values are taken from Arthur J. Gallagher &'s reported income statements (share counts) and end-of-day prices (quarterly 10-Q and annual 10-K filings with the U.S. Securities and Exchange Commission). Each row shows the period end date and the filing date. YoY compares each figure to the same period one year earlier. Amounts are in USD as filed.

About Market Cap at Arthur J. Gallagher & (AJG)

According to Arthur J. Gallagher &'s latest reported financial statements, the company's latest reported market cap is $56.27B. Market capitalization is the total dollar value of all outstanding shares — shares outstanding × stock price — and the standard measure of a company's equity value. On this page, historical market cap snaps filing-period share counts to closing prices on or before each statement date (not intraday tick data).

Headline figure above is from the reporting period ending (reported ). Chart and table below cover the full reported history back to .

As of the 2026 fiscal year, Arthur J. Gallagher & (AJG) reported market cap of $56.05B – declined 16.8% year-over-year.

Across 2021–2026 (5 years), Arthur J. Gallagher & market cap produced a CAGR of +9.8% – with mixed annual results across the window.

Between 2025 and 2026, Arthur J. Gallagher & market cap declined 16.8%, falling from $67.37B to $56.05B.

2025 marks the peak market cap at $67.37B, with the historical low of $190.02M recorded in 1987.

Arthur J. Gallagher & Market Cap by Year

Arthur J. Gallagher & Market Cap 2026: $56.05B

Arthur J. Gallagher & market cap in 2026 was $56.05B, declined 16.8% below 2025.

Arthur J. Gallagher & Market Cap 2025: $67.37B

2025's market cap for Arthur J. Gallagher & came in at $67.37B, grew 6.0% from 2024. This figure represents the highest annual value in the available history.

Arthur J. Gallagher & Market Cap 2024: $63.55B

Arthur J. Gallagher & posted market cap of $63.55B in 2024, grew 28.9% from 2023.

Arthur J. Gallagher & Market Cap 2023: $49.32B

In 2023, Arthur J. Gallagher & reported market cap of $49.32B, grew 21.8% from 2022.

Arthur J. Gallagher & Market Cap 2022: $40.48B

Arthur J. Gallagher & market cap in 2022 was $40.48B.

See more financial history for Arthur J. Gallagher & (AJG).

Sector peers by Market Cap

Financial Services peers of Arthur J. Gallagher & (AJG), ranked by their latest market cap

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