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$240.32-1.23%
as of market close, Sep 11, 2026
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Arthur J. Gallagher & Co. returns by year

Through September 11, 2026

Arthur J. Gallagher & Co. returns by year (1985–2026)#

Arthur J. Gallagher & Co. annual returns by year
YearTotal return
2026YTD
-6.3%
2025
-8.0%
2024
+27.3%
2023
+20.5%
2022
+12.4%
2021
+39.0%
2020
+32.1%
2019
+31.8%
2018
+19.2%
2017
+25.0%
2016
+31.1%
2015
-10.1%
2014
+3.5%
2013
+40.0%
2012
+7.6%
2011
+20.3%
2010
+35.6%
2009
-7.8%
2008
+12.7%
2007
-14.4%
2006
-0.0%
2005
-2.1%
2004
+3.2%
2003
+13.5%
2002
-13.1%
2001
+10.3%
2000
+100.7%
1999
+51.3%
1998
+32.3%
1997
+15.2%
1996
-13.8%
1995
+18.8%
1994
-11.7%
1993
+28.3%
1992
+26.3%
1991
-3.8%
1990
-5.6%
1989
+47.0%
1988
-3.6%
1987
-33.8%
1986
+8.8%
1985
+62.2%
Annualized
+13.9%
1985–2026
Average year
+15.8%
41 full years
Best year
+100.7%
2000
Worst year
-33.8%
1987
Positive years
28/41
68% up

Total return by period#

Annual

Methodology#

Returns are total returns (dividends reinvested), computed from AJG's split- and dividend-adjusted closes. The bar chart switches between annual and monthly periods. Annualized return is the compound annual growth rate over the full period. The current year is year-to-date. Past performance does not predict future returns; not investment advice.

FAQ#

What is Arthur J. Gallagher & Co.'s average annual return?
Since 1985, Arthur J. Gallagher & Co. (AJG) has returned about 13.9% a year (the compound annual growth rate) and an average calendar-year return of 15.8%.
What were Arthur J. Gallagher & Co.'s best and worst years?
Over 1985–2026, the best year was 2000 (+100.7%) and the worst was 1987 (-33.8%).
How often is Arthur J. Gallagher & Co. up in a year?
28 of the 41 full years since 1985 were positive — about 68% of the time.

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