• Citigroup upgraded Aon plc (NYSE:AON) to a "Buy" rating, increasing the price target from $402 to $412.
• Principal Financial Group Inc. reduced its holdings in Aon by 1.8%, while other institutional investors like Flaharty Asset Management LLC and Mutual Advisors LLC showed increased interest.
• Aon's stock fluctuated between $348.25 and $358.04, with a current price of $349.61, reflecting active investor interest and confidence in its growth potential.

Aon plc (NYSE:AON) is a leading global professional services firm providing a broad range of risk, retirement, and health solutions. The company operates in over 120 countries, offering services such as insurance brokerage, risk management, and human resource consulting. Aon's main competitors include Marsh & McLennan Companies and Willis Towers Watson.

On February 3, 2026, Citigroup upgraded AON's stock to a "Buy" rating, with the stock priced at $349.61. Citigroup also increased AON's price target from $402 to $412. This upgrade reflects confidence in Aon's potential for growth and profitability, despite the stock's slight decrease of 0.86% today.

Principal Financial Group Inc. recently reduced its holdings in Aon by 1.8%, selling 4,701 shares. This leaves them with 256,631 shares, valued at approximately $91.5 million. Despite this reduction, other institutional investors are showing interest in Aon. Flaharty Asset Management LLC acquired a new position valued at $274,000, while Mutual Advisors LLC increased its stake by 292.4%.

Aon's stock has fluctuated today between $348.25 and $358.04, with a current price of $349.61. Over the past year, the stock has seen a high of $412.97 and a low of $323.73. Aon's market capitalization stands at approximately $75.14 billion, indicating its significant presence in the industry.

Today's trading volume for AON is 1,074,129 shares, suggesting active investor interest. The recent upgrade by Citigroup and the activity of institutional investors highlight the market's attention on Aon's stock, as it continues to navigate the competitive landscape of professional services.