Beam Therapeutics Inc., a biotechnology company, engages in the development of precision genetic medicines for patients suffering from serious diseases in the United States. It develops BEAM-101 for the treatment of sickle cell disease or beta-thalassemia; and BEAM-302, a liver-targeting LNP formulation to treat severe alpha-1 antitrypsin deficiency; BEAM-201, an anti-CD7 CAR-T product candidate, which is in Phase 1/2 clinical trials for the treatment of refractory T-cell acute lymphoblastic leukemia/T cell lymphoblastic lymphoma; and BEAM-301, a liver-targeting LNP formulation for the treatment of glycogen storage disease 1a. The company has research collaboration agreement with Pfizer Inc., focus on in vivo base editing programs for targets rare genetic diseases of the liver, muscle, and central nervous system; Apellis Pharmaceuticals to conduct preclinical research on target specific genes within the complement system in various organs, including the eye, liver, and brain; Verve Therapeutics, Inc., for cardiovascular disease treatments; Sana Biotechnology, Inc., to research, develop, and commercialize rights to CRISPR Cas12b for cell therapy programs; and Orbital Therapeutics design RNA for the prevention, treatment or diagnosis of human disease. Beam Therapeutics Inc. was incorporated in 2017 and is based in Cambridge, Massachusetts.

Intellia Therapeutics, Inc., a genome editing company, focuses on the development of curative therapeutics. The company's in vivo programs include NTLA-2001, which is in Phase 1 clinical trial for the treatment of transthyretin amyloidosis; NTLA-2002 for the treatment of hereditary angioedema; and NTLA-3001 for alpha-1 antitrypsin deficiency associated lung disease. It also focusses on programs comprising hemophilia A and hemophilia B; and research of proprietary programs focused on developing engineered cell therapies to treat various cancers and autoimmune diseases. In addition, the company offers tools comprising of Clustered, Regularly Interspaced Short Palindromic Repeats/CRISPR associated 9 (CRISPR/Cas9) system. It has license and collaboration agreement with Regeneron Pharmaceuticals, Inc. to co-develop potential products for the treatment of hemophilia A and hemophilia B; AvenCell Therapeutics, Inc. to develop allogeneic universal CAR-T cell therapies, and co-develop and co-commercialize allogeneic universal CAR-T cell products for an immuno-oncology indication; SparingVision SAS to develop novel genomic medicines utilizing CRISPR/Cas9 technology for the treatment of ocular diseases; Kyverna Therapeutics, Inc. for the development of an allogeneic CD19 CAR-T cell therapy for the treatment of a variety of B cell-mediated autoimmune diseases; and ONK Therapeutics, Ltd. for the development of engineered NK cell therapies to cure patients with cancer. Intellia Therapeutics, Inc. was incorporated in 2014 and is headquartered in Cambridge, Massachusetts.

Stoke Therapeutics, Inc., an early-stage biopharmaceutical company, develops medicines to treat the underlying causes of severe genetic diseases in the United States. The company utilizes its proprietary targeted augmentation of nuclear gene output to develop antisense oligonucleotides to selectively restore protein levels. Its lead clinical candidate is STK-002, which is in preclinical stage for the treatment of autosomal dominant optic atrophy. The company also develops STK-001, which is in phase I/II clinical trial to treat Dravet syndrome; and programs focused on multiple targets, including haploinsufficiency diseases of the central nervous system and eye. The company has a license and collaboration agreement with Acadia Pharmaceuticals Inc. for the discovery, development, and commercialization of novel RNA-based medicines for the treatment of severe and rare genetic neurodevelopmental diseases of the central nervous system. The company was formerly known as ASOthera Pharmaceuticals, Inc. and changed its name to Stoke Therapeutics, Inc. in May 2016. Stoke Therapeutics, Inc. was incorporated in 2014 and is headquartered in Bedford, Massachusetts.

Fulcrum Therapeutics, Inc., a clinical-stage biopharmaceutical company, focuses on developing products for improving the lives of patients with genetically defined diseases in the areas of high unmet medical need in the United States. Its product candidates are losmapimod, a small molecule for the treatment of facioscapulohumeral muscular dystrophy is under phase III clinical trial; and pociredir, a fetal hemoglobin inducer for the treatment of sickle cell disease and beta-thalassemia is under phase I clinical trial. The company is also discovering drug targets for the treatments of rare neuromuscular, muscular, central nervous system, and hematologic disorders, as well as cardiomyopathies and pulmonary diseases. It has collaboration and license agreement with Acceleron Pharma Inc. to identify biological targets to modulate specific pathways associated with a targeted indication within the pulmonary disease space; MyoKardia, Inc. to discover and develop therapies for the treatment of genetic cardiomyopathies; and Sanofi for the development and commercialization of losmapimod, an oral small molecule being investigated for the treatment of facioscapulohumeral muscular dystrophy. Fulcrum Therapeutics, Inc. was Incorporated in 2015 and is headquartered in Cambridge, Massachusetts.

Aerovate Therapeutics, Inc., a clinical-stage biopharmaceutical company, develops drugs that enhance the lives of patients with rare cardiopulmonary diseases in the United States. It focuses on advancing AV-101, a dry powder inhaled formulation of imatinib for the treatment of pulmonary arterial hypertension, which is in Phase 2b/Phase 3 trial. The company was incorporated in 2018 and is headquartered in Waltham, Massachusetts.

Mustang Bio, Inc., a clinical-stage biopharmaceutical company, focuses on translating medical breakthroughs in cell and gene therapies into potential cures for hematologic cancers, solid tumors, and rare genetic diseases. Its pipeline focuses on gene therapy programs for rare genetic disorders, chimeric antigen receptor (CAR) engineered T cell (CAR T) therapies for hematologic malignancies, and CAR T therapies for solid tumors. The company develops MB-117 and MB-217, a gene therapy program for X-linked severe combined immunodeficiency, a rare genetic immune system condition in which affected patients do not live beyond infancy without treatment. The company also develops MB-106 CAR T cell program for B cell non-hodgkin lymphoma and chronic lymphocytic leukemia; MB-101 CAR T cell program for glioblastoma; MB-108, a next-generation oncolytic herpes simplex virus. It has license agreements with Nationwide Children's Hospital, CSL Behring; Mayo Clinic; Leiden University Medical Centre; SIRION Biotech GmbH. The company was incorporated in 2015 and is headquartered in Worcester, Massachusetts. Avenue Mustang Bio, Inc. is a subsidiary of Fortress Biotech, Inc.

Vor Biopharma Inc. operates as a clinical-stage cell and genome engineering company. Its lead product is tremtelectogene empogeditemcel (trem-cel), an engineered hematopoietic stem cell (eHSC) product candidate that is in phase 1/2 trial to treat acute myeloid leukemia (AML) and other hematological malignancies. The company is also developing Mylotarg, a CD33-directed antibody drug conjugate (ADC) therapy for patients with leukemia; VCAR33, a CAR-T therapy designed to target CD33, a clinically validated target for AML, which are under preclinical and Phase 1/2 clinical studies; trem-cel + VCAR33 treatment system that is under preclinical studies for the treatment of AML; and CD33-CLL1 treatment system made with CD33-CLL1 multiplex-engineered eHSC and CD33-CLL1 multi-specific CAR-T, which are under preclinical studies for the treatment of AML. The company was incorporated in 2015 and is headquartered in Cambridge, Massachusetts.

bluebird bio, Inc., a biotechnology company, researches, develops, and commercializes gene therapies for curative severe genetic diseases in the United States. The company's product candidates for severe genetic diseases include ZYNTEGLO (betibeglogene autotemcel) for the treatment of transfusion-dependent ß-thalassemia; lovotibeglogene autotemcel for the treatment of sickle cell disease (SCD); and SKYSONA (elivaldogene autotemcel) to treat cerebral adrenoleukodystrophy. Its clinical development programs include HGB-205, HGB-206, and HGB-210 to evaluate the safety and efficacy of lovo-cel in the treatment of patients with SCD; and HGB-204, HGB-205, HGB-207, and HGB-212 to evaluate the safety and efficacy of beti-cel in the treatment of patients with ß-thalassemia. The company was formerly known as Genetix Pharmaceuticals, Inc., and changed its name to bluebird bio, Inc. in September 2010. bluebird bio, Inc. was incorporated in 1992 and is headquartered in Somerville, Massachusetts.