Factory Mutual Insurance Co. Boosts Stake in Arthur J. Gallagher & Co.

The institutional investor increased its holdings in the financial services provider by 30.3% in the fourth quarter.

Apr. 11, 2026 at 8:38am

A highly detailed, black-and-white close-up image of the inner workings of a complex banking machine, representing the secure, industrial foundations of the financial services sector.An extreme close-up of the intricate gears and mechanisms that power the financial services industry, conveying a sense of institutional strength and stability.Rolling Meadows Today

Factory Mutual Insurance Co. lifted its position in Arthur J. Gallagher & Co. (NYSE:AJG) by 30.3% in the 4th quarter, according to the company's most recent filing with the Securities and Exchange Commission. The institutional investor now owns 64,500 shares of the financial services provider's stock, valued at $16,692,000.

Why it matters

This transaction highlights the continued investor interest in Arthur J. Gallagher & Co., a leading global insurance brokerage and risk management firm. The increase in ownership by a major institutional investor like Factory Mutual Insurance Co. signals confidence in the company's growth prospects and financial performance.

The details

Factory Mutual Insurance Co. acquired an additional 15,000 shares of Arthur J. Gallagher & Co. during the fourth quarter, bringing its total holdings to 64,500 shares. The institutional investor's stake in the financial services provider is now valued at $16,692,000 based on the company's most recent SEC filing.

  • Factory Mutual Insurance Co. made the share purchases in the fourth quarter of 2025.
  • The SEC filing disclosing the transaction was made on April 11, 2026.

The players

Factory Mutual Insurance Co.

An institutional investor that provides property and casualty insurance coverage to commercial and industrial clients.

Arthur J. Gallagher & Co.

A global insurance brokerage and risk management firm headquartered in Rolling Meadows, Illinois.

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The takeaway

This transaction demonstrates the continued institutional investor interest in Arthur J. Gallagher & Co., a leading player in the insurance brokerage and risk management industry. The increase in ownership by a major firm like Factory Mutual Insurance Co. signals confidence in the company's growth potential and financial performance.