Mariner LLC Increases Stake in UnitedHealth Group

Healthcare conglomerate's shares purchased by investment firm during third quarter

Mar. 17, 2026 at 1:22pm

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Mariner LLC, an investment firm, increased its stake in UnitedHealth Group Incorporated (NYSE:UNH) by 8.6% during the third quarter. The firm now owns 418,029 shares of the healthcare conglomerate's stock, valued at $144,345,000.

Why it matters

UnitedHealth Group is one of the largest healthcare companies in the United States, providing a range of health benefits and services. Institutional investors' moves to increase or decrease their stakes in the company can signal broader trends and investor sentiment in the healthcare sector.

The details

Mariner LLC purchased an additional 32,986 shares of UnitedHealth Group during the third quarter, bringing its total holdings to 418,029 shares. The investment firm's stake in the healthcare conglomerate is now valued at $144,345,000. Other hedge funds and institutional investors have also made changes to their UnitedHealth Group holdings in recent quarters.

  • Mariner LLC increased its stake in UnitedHealth Group during the third quarter of the year.

The players

Mariner LLC

An investment firm that has increased its stake in UnitedHealth Group Incorporated.

UnitedHealth Group Incorporated

A diversified healthcare company that operates two primary business platforms: UnitedHealthcare and Optum.

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The takeaway

Institutional investors' moves in and out of major healthcare stocks like UnitedHealth Group can provide insights into broader trends and sentiment in the sector. Mariner LLC's increased stake in UnitedHealth Group suggests the firm sees value in the healthcare conglomerate's long-term prospects.