Cerity Partners 13F: Adds $6.6M to AON Stake

Cerity Partners Expands Aon plc Position

Cerity Partners grew its position in Aon plc (NYSE:AON) by 42.8% during the reporting period ended May 15, 2025, according to its latest Form 13F filing with the Securities and Exchange Commission. The fund added 20,176 shares of the professional services firm, bringing its total holdings to 67,369 shares.

This transaction increased the total value of Cerity Partners' stake in Aon to approximately $21.99 million by the end of the quarter. Investors should keep in mind that these filings are backward-looking and show what a fund held at the close of the reporting period, meaning they do not necessarily represent the firm's current portfolio.

Aon Stock Trading Levels

Shares of Aon opened near $326.50 on Sunday. The stock has traded in a 52-week range of $290.70 to $382.34. It currently sits just below its 50-day moving average of $344.23 and is trading close to its 200-day moving average of $334.96. The company has a price-to-earnings ratio of 16.02 and a forward P/E of 14.34, pointing to stable earnings expectations relative to its share price.

Recent Earnings

Aon reported annual revenue of $17.58 billion, representing a year-over-year growth rate of 2.2%. The firm maintains a net profit margin of 22.27% and a return on equity of 44.70%, showing a strong ability to generate profits from its assets. Earnings per share came in at $18.15. Investors looking ahead can mark October 30, 2025, on their calendars, when Aon is scheduled to release its next quarterly earnings report.

Dividend

Aon pays an annual dividend of $3.28 per share, which gives the stock a dividend yield of 1.11%. The company maintains a conservative dividend payout ratio of 16.84%, indicating that it keeps the vast majority of its earnings to reinvest in business growth while still returning cash to shareholders.

Insider Buying and Selling at Aon plc

Several insiders at Aon have made moves of their own recently. On June 25, 2025, board members Richard Notebaert, Gloria Santona, Sarah Smith, Byron Spruell, and Jin-Yong Cai each purchased 776 shares of company stock. On the same day, insider Adriana Karaboutis sold 186 shares at an average price of $315.95 per share, resulting in a transaction value of $58,766.70. The cluster of buy orders from multiple directors suggests broad alignment with the positive sentiment shown by institutional buyers like Cerity Partners.

Analysts Set New Price Targets

Wall Street analysts have recently adjusted their expectations for Aon. On October 12, 2025, Wells Fargo maintained an Overweight rating on the stock but lowered its price target from $383.00 to $323.00. Keefe, Bruyette & Woods also kept an Outperform rating while reducing its target to $342.00 from $417.00.

Earlier in October, Mizuho maintained an Outperform rating with a $324.00 target, and Barclays kept an Equal-Weight rating with a $317.00 target. Cantor Fitzgerald remains highly optimistic, maintaining an Overweight rating with a $400.00 price target on October 7, 2025. Overall, the stock has a consensus buy recommendation from 19 analysts, with an average price target of $383.84.

About Aon plc

Aon plc provides professional services and risk management advice worldwide from its headquarters in Dublin, Ireland. The firm helps corporate clients manage commercial risks, design employee health and pension benefits, and structure reinsurance programs. Cerity Partners' decision to scale up its investment highlights ongoing institutional interest in Aon's steady fee-based business model.

What to Watch

Market observers will want to monitor Aon's upcoming earnings release on October 30, 2025, to see if the company's revenue growth can accelerate. Future 13F filings will also reveal whether Cerity Partners and other major institutions continue to build their stakes or if they began trimming their positions as market conditions shifted later in the year.