Aon plc (AON:NYSE) closed at $338.31 on November 13, 2026, up 1.47% on the day. The stock trades 11.5% below its 52-week high of $382.34 and 27.0% above its 52-week low of $266.33. Over the past year, it lost 3.4%. Aon plc is part of the Finance sector (Specialty Insurers).
In 252 trading sessions since November 13, 2025, AON closed higher on 122 days (48%). Its best day was November 4, 2026 (+4.39%) and its worst was August 31, 2026 (-9.53%). It never moved 10% or more in a single session.
Aon plc provides risk management services, insurance and reinsurance brokerage, and human resource consulting and outsourcing services worldwide. The company operates through two segments, Risk Solutions and HR Solutions. The Risk Solutions segment offers retail brokerage services, including affinity products, managing general underwriting, placement, captive management services, and data and analytics; risk management solutions for property liability, general liability, professional liability, directors' and officers' liability, transaction liability, cyber liability, workers' compensation, and various healthcare products; and health and benefits consulting services comprising structuring, funding, and administering employee benefit programs. This segment also provides advisory services to technology, financial services, agribusiness, aviation, construction, health care, energy, and other industries. In addition, this segment offers reinsurance brokerage services for treaty and facultative reinsurance, as well as specialty lines, such as professional liability, workers' compensation, accident, life, and health; actuarial, enterprise risk management, catastrophe management, and rat...
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