JPMorgan Chase & Co. Acquires 5.6% Passive Stake in Aon plc (AON)

JPMorgan Chase & Co. filed a Schedule 13G on July 16, 2026, disclosing a new ownership stake in Aon plc (AON). As of the event date on June 30, 2026, the financial institution reported beneficial ownership of 12,173,339 Class A Ordinary Shares, representing 5.6% of the company's outstanding shares. This filing marks an increase from a previously reported 0% position, crossing the 5% regulatory threshold for beneficial ownership disclosure. The shares are held by various subsidiaries under the JPMorgan Chase & Co. parent holding company, including J.P. Morgan Securities LLC and J.P. Morgan Investment Management Inc. Of the total shares, the filer has sole voting power over 10,781,561 shares and sole dispositive power over 12,149,041 shares. The filing includes a certification stating that the securities were acquired in the ordinary course of business and not for the purpose of changing or influencing the control of the issuer. This passive investment reflects a significant new position by JPMorgan in the Dublin-based professional services firm.