BeOne Medicines Ltd is a holding company. Through its subsidiaries, it operates as an oncology-focused biopharmaceutical company engaged in the discovery and development of treatments for cancer. Its portfolio includes BRUKINSA (a Bruton's tyrosine kinase (BTK) inhibitor), sonrotoclax (a B-cell lymphoma 2 (BCL2) inhibitor, and a BTK chimeric degradation activation compound (BTK-CDAC). The company develops and commercializes wholly owned therapeutic assets targeting multiple mechanisms of action in oncology. The company operates in one segment: pharmaceutical products. It generates the majority of its revenue from the sale of its biopharmaceutical products.