MacroGenics, Inc., a biopharmaceutical company, discovers and develops antibody-based therapeutics for the treatment of cancer in the United States. Its pipeline of immuno-oncology product candidates includes Margetuximab, a monoclonal antibody, which is in Phase III clinical trial that targets HER2-expressing tumors, such as various breast and gastroesophageal cancers. The company is also developing Flotetuzumab, a DART molecule that recognizes CD123 and CD3 for treating acute myeloid leukemia; MGA012, an investigational monoclonal antibody targeting PD-1; MGD013, a monoclonal antibody that targets the PD-1 and lymphocyte-activation gene 3; MGD019, a monoclonal antibody that targets the immune checkpoints PD-1 and cytotoxic T-lymphocyte-associated protein 4; and Enoblituzumab, a monoclonal antibody that targets B7-H3. In addition, the company is developing combination of MGD009 and MGA012; MGC018, an antibody drug conjugate, which targets solid tumors expressing B7-H3; and MGD014, a DART molecule that targets envelope protein of human immunodeficiency virus infected cells and T cells. It has strategic collaborations with Incyte Corporation; Zai Lab Limited; and I-Mab Biopharma. MacroGenics, Inc. was founded in 2000 and is headquartered in Rockville, Maryland.