Brown Brothers Harriman & Co. Reduces Stake in Arthur J. Gallagher & Co.

Financial services firm lowers position in insurance broker by 3.1% in Q3

Mar. 14, 2026 at 7:34am

Brown Brothers Harriman & Co. lowered its position in Arthur J. Gallagher & Co. (NYSE:AJG) by 3.1% in the third quarter, according to the company's disclosure with the Securities and Exchange Commission (SEC). The firm owned 1,069,715 shares of the financial services provider's stock, making it the 13th largest holding in its investment portfolio.

Why it matters

The reduction in Brown Brothers Harriman's stake in Arthur J. Gallagher & Co. reflects broader shifts in the financial services industry, as institutional investors adjust their portfolios in response to market conditions and strategic priorities.

The details

Brown Brothers Harriman sold 33,763 shares of Arthur J. Gallagher & Co. during the third quarter. The firm now owns 0.42% of the insurance broker's outstanding shares, valued at $331,334,000 at the end of the reporting period.

  • Brown Brothers Harriman reduced its position in Arthur J. Gallagher & Co. in the third quarter of 2026.

The players

Brown Brothers Harriman & Co.

A private investment firm and one of the oldest and largest private banks in the United States, with a focus on wealth management, investment management, and private banking services.

Arthur J. Gallagher & Co.

A global insurance brokerage and risk management firm headquartered in Rolling Meadows, Illinois, providing property and casualty insurance brokerage, employee benefits consulting, and other risk management services.

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The takeaway

The reduction in Brown Brothers Harriman's stake in Arthur J. Gallagher & Co. reflects the ongoing evolution of the financial services industry, as institutional investors continuously adjust their portfolios to align with market trends and their own strategic priorities.