AArthur J. Gallagher & Co. logo
AJG//CIK 0000354190

Arthur J. Gallagher & Co.

Exchange

NYSE

Entity type

operating

Fiscal year end

Dec 31

Headquarters

DE

Research Summary

AI-assisted · Grounded in filings

Updated Nov 24, 2025

Arthur J. Gallagher & Co.

Arthur J. Gallagher & Co., ticker AJG, is a global insurance agent, broker and risk management services firm operating within the Insurance Agents, Brokers & Service SIC realm, delivering property and casualty, employee benefits, and specialty solutions to commercial and public-sector clients seeking risk transfer and resilience in volatile markets; the firm’s core offerings blend brokerage, consulting, and claims advocacy to serve middle-market companies, multinational corporations, and institutional investors that depend on calibrated coverage, analytics, and catastrophe management, while its advisory arm extends into retirement and wealth services for plan sponsors and high-net-worth individuals; material risks include evolving regulatory scrutiny across jurisdictions, exposure to severe weather and economic cycles that can stress underwriting discipline, and the need to maintain professional standards amid consolidation in the broker-dealer space, all amplified by compliance demands under state and federal insurance codes as reflected in the latest Form 10-Q filed November 1999; CIK 354190 anchors this disclosure universe. View live SEC filings on Earnings Feed.

Market Data

Dec 4, 12:56 PM ET
$245.21−$6.49 (−2.58%)

AJG · Last trade

Prev Close

$251.70

Range (30d)

$244.22 – $259.31

$240.00$245.00$250.00$255.00$260.00Nov 4Nov 13Nov 24Dec 4