SG Americas Securities Boosts Amgen Stake by 40%

Investment firm increases holding in biotech giant to over 397,000 shares

Mar. 24, 2026 at 10:38am

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SG Americas Securities LLC has increased its stake in Amgen Inc. (NASDAQ:AMGN) by 40.2% in the fourth quarter, according to a recent SEC filing. The firm now owns 397,219 shares of the medical research company's stock, worth approximately $130 million.

Why it matters

Amgen is one of the largest biotech companies in the world, with a market capitalization of over $188 billion. The increase in SG Americas Securities' position suggests the firm sees continued growth potential in Amgen's business and stock.

The details

SG Americas Securities added 113,909 shares of Amgen to its portfolio during the fourth quarter, bringing its total holding to 397,219 shares. This represents about 0.07% of Amgen's outstanding shares. The investment firm cited Amgen's strong product pipeline and market position in its decision to increase the stake.

  • SG Americas Securities made the share purchases in the fourth quarter of 2025.

The players

SG Americas Securities LLC

An investment management firm that provides a range of financial services, including asset management, investment banking, and securities trading.

Amgen Inc.

A global biotechnology company that focuses on discovering, developing, manufacturing, and delivering human therapeutics to treat serious illnesses.

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The takeaway

The increase in SG Americas Securities' stake in Amgen suggests the firm sees continued growth potential in the biotech company, which is one of the largest in the world. This could signal broader investor confidence in Amgen's business and future prospects.