JPMorgan Chase & Co. Increases Stake in Arthur J. Gallagher & Co.

JPMorgan Chase & Co. has filed an amendment to its Schedule 13G, disclosing an increased ownership of 7.8% in Arthur J. Gallagher & Co. The filing, dated October 31, 2025, reveals that JPMorgan Chase & Co. now beneficially owns 20,155,017 shares of the company's common stock, up from a previous holding. The shares are held through various subsidiaries, including J.P. Morgan Trust Company of Delaware and JPMorgan Asset Management (UK) Limited. The filing certifies that the shares were acquired in the ordinary course of business and not for the purpose of influencing control of the issuer.