Rocket Pharmaceuticals, Inc., together with its subsidiaries, operates as a multi-platform biotechnology company that focuses on developing gene therapies for rare and devastating pediatric diseases. It has four clinical-stage ex vivo lentiviral vector programs for fanconi anemia, a genetic defect in the bone marrow that reduces production of blood cells or promotes the production of faulty blood cells; leukocyte adhesion deficiency-I, a genetic disorder that causes the immune system to malfunction; pyruvate kinase deficiency, a rare red blood cell autosomal recessive disorder that results in chronic non-spherocytic hemolytic anemia; and infantile malignant osteopetrosis, a genetic disorder characterized by increased bone density and bone mass secondary to impaired bone resorption. The company also has a clinical stage in vivo adeno-associated virus program for Danon disease, a multi-organ lysosomal-associated disorder leading to early death due to heart failure. It has license agreements with Fred Hutchinson Cancer Research Center; Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), Centro de Investigacion Biomedica En Red, and Fundacion Instituto de investigacion Sanitaria Fundacion Jimenez Diaz; CIEMAT and UCL Business PLC; The Regents of the University of California; and REGENXBIO Inc. The company also has a research and collaboration agreement with Lund University; and strategic collaboration agreement with Stanford University School of Medicine. Rocket Pharmaceuticals, Inc. is headquartered in Cranbury, New Jersey.