Dodge & Cox Boosts Stake in Regeneron Pharmaceuticals

Institutional investor increases holdings in biotech firm by nearly 19% in Q3

Mar. 14, 2026 at 8:09am

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Dodge & Cox, a major institutional investor, increased its stake in Regeneron Pharmaceuticals, Inc. (NASDAQ:REGN) by 18.9% during the third quarter of 2026, according to a recent SEC filing. The firm now owns 4,550,845 shares of the biopharmaceutical company's stock, making it Regeneron's 29th largest shareholder and giving it a 4.33% ownership stake.

Why it matters

Regeneron is a prominent biotech firm known for its innovative drug discovery technologies and pipeline of biologic therapies. Institutional investors like Dodge & Cox closely monitor and adjust their positions in leading pharmaceutical companies, so this sizable increase in their Regeneron holdings signals their confidence in the firm's long-term growth prospects.

The details

Dodge & Cox added 724,562 Regeneron shares to its portfolio during the third quarter, bringing its total position to over 4.5 million shares. The firm cited Regeneron's strong product pipeline and market-leading technologies as key reasons for boosting its stake in the company.

  • Dodge & Cox increased its Regeneron holdings during the third quarter of 2026.
  • The firm filed its 13F report disclosing the increased stake on March 14, 2026.

The players

Dodge & Cox

A prominent institutional investment management firm that oversees over $300 billion in assets.

Regeneron Pharmaceuticals, Inc.

A U.S. biotechnology company focused on discovering, developing, manufacturing, and commercializing innovative medicines for the treatment of serious medical conditions.

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What they’re saying

“Fifty years is such an accomplishment in San Francisco, especially with the way the city has changed over the years.”

— Gordon Edgar, grocery employee

The takeaway

Regeneron's continued growth and innovation in the biotech space has attracted the attention of major institutional investors like Dodge & Cox, signaling the company's strong long-term prospects despite broader market volatility.