Bank of America 13F: Adds $73M to AON Stake

Bank of America expanded its investment in Aon plc (NYSE:AON), according to a Form 13F filing with the U.S. Securities and Exchange Commission. The filing covers holdings as of the reporting period and may not represent the investor's current position.

How Bank of America Built Its Aon Position

Bank of America raised its stake in the insurance broker by 16.32% during the period. The firm bought an additional 222,092 shares, bringing its total ownership to 1,582,680 shares. Based on market prices, that block of stock carried an estimated value of $519,957,860.40 at the time of the report.

Aon Stock Valuation and Trading Range

Aon shares traded near $328.53. The company has a market capitalization of roughly $61.69 billion and trades at a P/E ratio of 16.02. Its forward P/E ratio sits at 14.34. Over the past 52 weeks, the stock has moved between a low of $290.70 and a high of $382.34. The shares are trading above their 200-day moving average of $334.96.

Insider Buying and Selling at Aon plc

Company insiders were active in the stock on June 25, 2026. Richard Notebaert purchased 776 shares. Gloria Santona bought 776 shares. Sarah Smith acquired 776 shares. Byron Spruell picked up 776 shares, and Jin-Yong Cai added 776 shares. Meanwhile, Adriana Karaboutis sold 186 shares at an average price of $315.95, for a total value of $58,766.70.

Analysts Set New Price Targets

Wall Street firms have kept a close eye on the insurance firm. On October 12, 2026, Wells Fargo maintained its Overweight rating and lowered its price target to $323.00 from $383.00. On the same day, Keefe, Bruyette & Woods kept an Outperform rating while trimming its target from $417.00 to $342.00. Mizuho maintained an Outperform rating on October 7, 2026, setting a target of $324.00 down from $366.00. Barclays kept an Equal-Weight rating on October 7, 2026, adjusting its target to $317.00 from $382.00. Cantor Fitzgerald kept an Overweight rating on October 7, 2026, with a target of $400.00 down from $433.00. Morgan Stanley maintained an Overweight rating on October 6, 2026, lowering its target from $410.00 to $350.00. JP Morgan kept an Overweight rating on October 1, 2026, moving its target to $362.00 from $412.00. Earlier on September 16, 2026, Mizuho maintained an Outperform rating and adjusted its target to $366.00 from $398.00. Overall, the stock holds a consensus buy recommendation with a mean target price of $383.84 across 19 analyst opinions.

Professional Services and Insurance Solutions

Aon plc operates as a professional services firm offering commercial risk solutions, health solutions, and wealth solutions worldwide. The company provides retail and insurance brokerage, reinsurance, retirement consulting, and investment advisory services to corporations and public entities. Headquartered in Dublin, Ireland, the firm employs approximately 60,000 people.

What to Watch at AON

Investors will look toward Aon's next earnings report, scheduled for October 30, 2026, for updates on revenue growth and profit margins. Because 13F filings look backward, institutional stakes can shift ahead of public disclosures. Institutional investment decisions reflect individual portfolio strategies rather than direct endorsements of management.