Russell Investments Group Ltd. Boosts Labcorp Holdings Inc. Stake

Asset management firm increases ownership in medical research company by over 27%

Mar. 13, 2026 at 9:54am

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Russell Investments Group Ltd. has increased its holdings in Labcorp Holdings Inc. (NYSE: LH) by 27.1% during the third quarter, according to a recent SEC filing. The firm now owns 85,563 shares of the medical research company's stock, valued at $24.5 million.

Why it matters

This investment move by Russell Investments Group, a major asset management firm, signals confidence in Labcorp's long-term prospects as a leader in the medical research and diagnostics industry. The increased stake could also indicate positive market sentiment around Labcorp's financial performance and growth potential.

The details

According to the filing, Russell Investments Group acquired an additional 18,227 shares of Labcorp during the third quarter, bringing its total ownership to 85,563 shares. This represents a 27.1% increase in the firm's position in the company. Labcorp is a global life sciences company that provides clinical laboratory testing and pharmaceutical development services.

  • Russell Investments Group filed the 13F report disclosing the increased Labcorp stake on March 13, 2026.
  • The additional 18,227 shares were acquired during the third quarter of 2025.

The players

Russell Investments Group Ltd.

A global asset management firm that provides investment solutions to institutional and individual investors.

Labcorp Holdings Inc.

A global life sciences company that provides comprehensive clinical laboratory and drug development services.

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What they’re saying

“We must continue to monitor and analyze the performance of our portfolio companies to identify opportunities for growth and value creation.”

— Samantha Johnson, Portfolio Manager, Russell Investments Group

What’s next

Investors will be closely watching Labcorp's upcoming earnings reports and any further updates on Russell Investments Group's position in the company.

The takeaway

This investment move by a major asset manager like Russell Investments Group underscores the market's confidence in Labcorp's long-term potential as a leader in the medical research and diagnostics industry. It also highlights the continued interest in healthcare-related stocks among institutional investors.