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X4 Pharmaceuticals secures up to $150 million senior debt facility with K2 HealthVentures to strengthen financial flexibility and support corporate activities.
PUBLIC · XFOROct 08, 2026
Amount Raised
$80 Million
Round Type
Venture
BostonBiotechnologyHealthcare
Investors
K2 HealthVentures
Description
X4 Pharmaceuticals has announced a senior secured term loan facility of up to $150 million with K2 HealthVentures. The first tranche of $80 million has funded to pay off prior obligations under an existing loan. The new facility aims to support corporate activities, including the future commercial launch of mavorixafor. This partnership enhances X4's financial position as it approaches key developmental milestones.
Company Information
Company
X4 Pharmaceuticals
Location
61 NORTH BEACON STREET
Boston, Massachusetts, United States
About
X4 Pharmaceuticals is a fully integrated, commercial-stage biopharmaceutical company focused on driving progress for people living with rare immune disorders. The company listens to those whose challenges have been long overlooked, develops solutions to their most urgent health concerns, and delivers impact through its FDA-approved medication XOLREMDI® (mavorixafor), now commercially available in the U.S. in its first indication. X4 is also evaluating mavorixafor in additional potential indications, including an ongoing global, pivotal Phase 3 clinical trial for chronic neutropenia. Headquartered in Boston, Massachusetts, X4 Pharmaceuticals is committed to advancing innovative treatments that make a difference.
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BostonBiotechnologyHealthcare