Arthur J. Gallagher & Co. (AJG)
Financials ยท Insurance Agents, Brokers & Service
Arthur J. Gallagher & Co. (AJG) is listed on the New York Stock Exchange, where its shares have traded since June 20, 1984. SentiSense covers Arthur J. Gallagher & Co. in the Financials sector, and its Standard Industrial Classification is Insurance Agents, Brokers & Service. J. Patrick Gallagher Jr. is its chief executive officer. The company reports 72,000 employees, and its corporate website is www.ajg.com.
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.
Institutional ownership
In 13F filings for the quarter ended June 30, 2026, 1,271 institutions reported holding AJG, with 236.9 million shares worth $54.3 billion in aggregate. The largest reported holders were Vanguard, BlackRock and FMR. Of the 5 largest reported holders, 3 added shares and 2 reduced their positions during the quarter.
More on AJG
- AJG sentiment: whether news and social coverage of Arthur J. Gallagher & Co. leans bullish or bearish, and the stories driving it.
- AJG ownership: all 1,271 reporting institutions, plus insider and congressional trades.
- AJG financials: revenue, net income, operating margin and free cash flow by quarter and year.
SentiSense also tracks daily options readings for Arthur J. Gallagher & Co.: IV rank, put/call percentile, 25-delta skew and open-interest walls.
Frequently asked questions
What does Arthur J. Gallagher & Co. do?
Founded in 1927 as a one-person agency, Gallagher's primary business is insurance brokerage, with a focus on serving middle-market companies.
What sector is AJG in?
SentiSense classifies Arthur J. Gallagher & Co. in the Financials sector, and its Standard Industrial Classification is Insurance Agents, Brokers & Service.
Where does AJG stock trade?
Arthur J. Gallagher & Co. (AJG) is listed on the New York Stock Exchange, where its shares have traded since June 20, 1984.
Who is the CEO of Arthur J. Gallagher & Co.?
J. Patrick Gallagher Jr. is the chief executive officer of Arthur J. Gallagher & Co..