Arthur J. Gallagher & Co.
Market cap $72.2B
Arthur J. Gallagher & Co. (AJG) is a publicly traded company listed on the XNYS. As of November 8, 2026, Invest's signal rates AJG a Hold. You can practice trading AJG risk-free with €1,000,000 in virtual cash.
Key stats
As of November 8, 2026
Market Cap
$72.2B
Volume
1.5M
52-wk High
—
52-wk Low
—
Day High
$286.24
Day Low
$275.01
AJG overview
AI overviewLatest AJG news
PRU Q3 Earnings Beat Estimates on PGIM and U.S. Protection Strength
Zacks Investment Research · 4d ago
BRO's Organic Growth Slows: Can COMPASS Platform Improve Efficiency?
Zacks Investment Research · 6d ago
AJG Q3 Earnings and Revenues Miss on Lower Interest Income
Zacks Investment Research · Oct 30
Compared to Estimates, Arthur J. Gallagher (AJG) Q3 Earnings: A Look at Key Metrics
Zacks Investment Research · Oct 29
Aon (AON) Q3 Earnings and Revenues Beat Estimates
Zacks Investment Research · Oct 28
About Arthur J. Gallagher & Co.
Founded in 1927 as a one-person agency, Gallagher's primary business is insurance brokerage, with a focus on serving middle-market companies. The company's risk management segment provides third-party claims adjustment to companies that choose to self-insure. Gallagher has about 72,000 employees and generates about a third of its revenue internationally, primarily in Australia, Canada, New Zealand, and the UK.
Employees
72,000
How to practice trading AJG
- 1
Use the AJG buy panel above
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- 2
Trade with €1,000,000 virtual cash
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- 3
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- 4
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Top AJG traders on Invest
Full leaderboardFrequently asked questions
Is AJG a good stock to buy right now?
As of November 8, 2026, Invest's signal rates AJG a Hold, based on its price trend, valuation, and fundamentals. This is an educational signal, not financial advice — the best way to test the thesis is to practice trading AJG risk-free first.
What is Arthur J. Gallagher & Co.'s (AJG) market cap?
Arthur J. Gallagher & Co. has a market capitalization of approximately $72.2B.
How has AJG stock performed?
AJG is actively traded. Its 52-week range runs roughly from — to —. Past performance doesn't predict future results.
How can I practice trading AJG for free?
On Invest you get €1,000,000 in virtual cash and can buy AJG at real market prices right in your browser — no download and no real money at risk. Create a free account to save your portfolio and track its performance over time.
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