AJG Shares Outstanding History — Arthur J. Gallagher Share Count Over Time

As of 3/31/2026 Arthur J. Gallagher has 256.90 million AJG shares outstanding. Investors often track the AJG shares outstanding history to compare shareholder return trends against the change in share count over time.

This page shows AJG share count trends over time, with 66 historical shares outstanding datapoints presented, dating back to 1/31/2010.

Quick links: Shares Outstanding History Table  |  Shares Outstanding History Chart  |  About Arthur J. Gallagher
AJG Shares Outstanding History



Below is a table of the AJG shares outstanding history going back to 1/31/2010:

Date AJG Shares Outstanding
1/31/2010102.48M
3/31/2010103.60M
6/30/2010105.20M
9/30/2010106.01M
1/31/2011108.61M
3/31/2011110.26M
6/30/2011112.15M
9/30/2011112.88M
1/31/2012115.04M
3/31/2012118.30M
6/30/2012120.98M
9/30/2012124.39M
1/31/2013125.87M
3/31/2013126.75M
6/30/2013127.70M
9/30/2013131.54M
1/31/2014133.84M
4/17/2014157.10M
6/30/2014158.99M
9/30/2014161.37M
1/31/2015164.74M
3/31/2015166.66M
6/30/2015174.54M
9/30/2015176.69M
1/31/2016177.03M
3/31/2016177.13M
6/30/2016177.03M
9/30/2016177.94M
1/31/2017178.62M
3/31/2017179.51M
6/30/2017180.16M
9/30/2017180.80M
1/31/2018181.43M
4/30/2018182.27M
6/30/2018182.61M
9/30/2018183.65M
1/31/2019184.06M
3/31/2019185.25M
6/30/2019186.07M
9/30/2019186.52M
1/31/2020188.25M
3/31/2020189.62M
6/30/2020191.47M
9/30/2020192.32M
1/31/2021193.74M
3/31/2021195.89M
6/30/2021206.75M
9/30/2021207.28M
1/31/2022208.54M
3/31/2022210.07M
6/30/2022210.34M
9/30/2022210.84M
1/31/2023212.09M
3/31/2023214.25M
6/30/2023215.51M
9/30/2023215.90M
1/31/2024216.80M
3/31/2024218.50M
6/30/2024219.10M
9/30/2024219.40M
1/31/2025254.70M
3/31/2025256.10M
6/30/2025256.40M
9/30/2025256.80M
1/31/2026257.10M
3/31/2026256.90M

Also see: AJG Market Cap History
AJG YTD Return
AJG Historical Shares Outstanding:
+5.85% CAGR
AJG Historical Shares Outstanding: +5.85% CAGR

Mouse over chart for data details
1/31/2010 ...3/31/2026
Arthur J. Gallagher & Co. and its subsidiaries provide insurance brokerage, consulting and third-party claims settlement and administration services to both domestic and international entities. Co.'s segments include brokerage, risk management and corporate. Its brokerage segment operations provide brokerage and consulting services to entities of all types, including commercial, nonprofit, public sector entities, individuals, in the areas of insurance and reinsurance placements, risk of loss management and management of employer sponsored benefit programs. We show 66 historical shares outstanding datapoints in our coverage of AJG's shares outstanding history.

Understanding the changing numbers of AJG shares outstanding — and comprehending the concept of differing number of shares outstanding in general comparing companies like AJG versus peers — is critical for investors. Many "beginner" or "novice" investors will look at one stock trading at a price of $10 per share and another trading at a price of $20 per share and think the latter company is worth twice as much. Of course, that is a completely meaningless comparison without also knowing how many shares outstanding there are for each of the two companies. Furthermore, via issuance of new shares over time, or the repurchase of existing shares, the number of shares outstanding can fluctuate over the course of history. With this page we aim to empower investors researching AJG by allowing them to research AJG shares outstanding history as well as any other stock in our coverage universe.
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Video: Shares Outstanding Importance
Arthur J. Gallagher (AJG) is categorized under the Financials sector; to help you further research historical shares outstanding numbers, below are some other companies in the same sector:

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