With 86% ownership of the shares, Arthur J. Gallagher & Co. (NYSE:AJG) is heavily dominated by institutional owners

High institutional ownership in Arthur J. Gallagher suggests stock price sensitivity to their trading. Institutions hold 86% of shares, influencing market sentiment. Analysts view this as a vote of confidence, with The Vanguard Group as the largest shareholder. Individual investors own 12%, with a diverse shareholder base.