HBM Holdings Limited, a clinical-stage biopharmaceutical company, engages in the discovery and development of differentiated antibody therapeutics in immunology and oncology disease areas. It is developing Batoclimab (HBM9161), a human monoclonal antibody that selectively binds to and inhibits the neonatal fragment crystallizable receptor; HBM7008, a bispecific antibody targeting tumor Associated antigen; and HBM4003, a human anti-CTLA-4 antibody against cytotoxic T-lymphocyte-associated antigen-4. The company is also developing HBM9378 for the treatment of Asthma; and HBM1020, HBM1007, HBM1022, HBM7022, HBM9027, HBM9033, HBM7004, HBM1047, and HBM9014 for the treatment of solid tumors. It operates in Mainland China, the United States, Europe, and internationally. The company has collaboration on antibody-drug conjugate projects with LegoChem Biosciences Inc. and Duality Biotherapeutics, Inc. HBM Holdings Limited was incorporated in 2016 and is based in Shanghai, the People's Republic of China.