Last updated Aug 4, 2026
Arthur J. Gallagher & Co. (AJG) is a publicly traded company. This page tracks every superinvestor 13F holding, congressional stock trade, and Form 4 insider transaction in AJG. Across our datasets, 3 superinvestors hold AJG and 7 members of Congress have traded it.
Notable holders include Viking Global, Torray Funds, and Christopher Bloomstran. Active congressional traders include Ro Khanna, Michael McCaul, and Kelly Morrison.
Key takeaways