X4 Pharmaceuticals, Inc., a biopharmaceutical company, focuses on the research, development, and commercialization of novel therapeutics for the treatment of rare diseases of the immune system. It offers XOLREMDI, an orally small-molecule selective antagonist of chemokine receptor CXCR4, which is in phase 3 clinical trial for the treatment of patients with warts, hypogammaglobulinemia, infections, and myelokathexis syndrome. It has a license agreement with Abbisko Therapeutics Co Ltd. to manufacture and distribute XOLREMDI in mainland China, Taiwan, Hong Kong and Macau; Norgine to develop, manufacture, and commercialize mavorixafor in Europe, Australia, and New Zealand; and Genzyme Corporation for CXCR4 receptor to develop and commercialize products containing licensed compounds for all therapeutic, prophylactic and diagnostic uses. The company is headquartered in Boston, Massachusetts. Show more

61 North Beacon Street, Boston, MA, 02134, United States

Biotechnology

Healthcare

Market Cap

347M

52 Wk Range

$2.80 - $4.83

Previous Close

$3.50

Open

$3.51

Volume

570,692

Day Range

$3.47 - $3.71

Enterprise Value

216.3M

Cash

208M

Avg Qtr Burn

-20.79M

Insider Ownership

0.44%

Institutional Own.

Qtr Updated

06/30/26

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Drug & Indication	Stage & Event	Catalyst Date
XOLREMDI (Mavorixafor) (CXCR4 inhibitor) Details WHIM Syndrome	Approved Quarterly sales	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
Mavorixafor (CXCR4 inhibitor) Details Chronic Neutropenia, Severe Congenital Neutropenia	Phase 3 Update	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
Mavorixafor (CXCR4 inhibitor) Details Renal cell carcinoma, Cancer	Failed Discontinued	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
Mavorixafor (CXCR4 inhibitor) + ibrutinib Details Waldenstrom macroglobulinemia	Failed Discontinued	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.