Xencor Inc is a clinical-stage biopharmaceutical company based in the United States. It focuses on discovering and developing engineered monoclonal antibody and other protein therapeutics to treat severe and life-threatening diseases such with unmet medical needs. The company uses its XmAb technology platform to create antibody product candidates such as XmAb5871 and XmAb7195. It also has a few pre-clinical stage candidates in its portfolio such as XmAb14045, XmAb662 among others. It earns its revenue from research and development collaborations and licenses of its internally developed drug candidates.