Factory Mutual Insurance Co. Boosts UnitedHealth Group Stake

Institutional investor increases holdings in healthcare giant by 13.3% in Q4 2025

Apr. 11, 2026 at 8:38am

An extreme close-up of intricately meshed metal gears and machinery, representing the complex financial infrastructure of the healthcare industry.Factory Mutual Insurance's growing investment in UnitedHealth Group reflects confidence in the healthcare company's financial strength and future prospects.Minnetonka Today

Factory Mutual Insurance Co. raised its position in UnitedHealth Group Incorporated (NYSE:UNH) by 13.3% in the fourth quarter of 2025, according to a recent SEC filing. The fund now owns 240,700 shares of the healthcare conglomerate's stock, worth approximately $79.5 million.

Why it matters

UnitedHealth Group is one of the largest and most influential healthcare companies in the United States, providing insurance and services to millions of customers. Institutional investors like Factory Mutual closely monitor and adjust their holdings in UNH, as the stock's performance can significantly impact their overall investment portfolios.

The details

According to the 13F filing, Factory Mutual Insurance Co. purchased an additional 28,300 shares of UnitedHealth Group during the fourth quarter of 2025. This increased the firm's total position in UNH to 240,700 shares, accounting for approximately 0.8% of its overall investment portfolio.

  • Factory Mutual Insurance Co. filed its 13F report for the fourth quarter of 2025 on April 11, 2026.

The players

Factory Mutual Insurance Co.

A major institutional investor and insurance company that manages a diversified portfolio of stocks, bonds, and other assets.

UnitedHealth Group Incorporated

A leading healthcare company that provides insurance, services, and technology solutions to individuals, employers, and government programs.

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The takeaway

The increased stake in UnitedHealth Group by Factory Mutual Insurance Co. reflects the continued institutional investor confidence in the healthcare giant's long-term growth potential, despite recent market volatility.