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.

Prime Medicine, Inc., a biotechnology company, delivers genetic therapies to address the spectrum of diseases by deploying gene editing technology. The company offers Prime Editors with a Prime Editor protein, comprising a fusion between a Cas protein and a reverse transcriptase enzyme; and a pegRNA, which targets the Prime Editor to a specific genomic location and provides a template for making the desired edit to the target DNA sequence. It has a research collaboration with Cimeio Therapeutics to develop Prime Edited Shielded-Cell & Immunotherapy Pairs for genetic diseases, acute myeloid leukemia, and myelodysplastic syndrome. The company has a strategic research collaboration and license agreement with bristol myers squibb to develop and commercialize multiple prime edited ex vivo t-cell therapies. Prime Medicine, Inc. was incorporated in 2019 and is based in Cambridge, 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.

Editas Medicine, Inc., a clinical stage genome editing company, focuses on developing transformative genomic medicines to treat a range of serious diseases. It develops a proprietary gene editing platform based on CRISPR technology. The company develops EDIT-101, which is in Phase 1/2 BRILLIANCE trial for Leber Congenital Amaurosis; and reni-cel, a clinical development gene-edited medicine to treat sickle cell disease and transfusion-dependent beta-thalassemia. In addition, the company is developing alpha-beta T cells for solid and liquid tumors; and gamma delta T cell therapies to treat cancer. It has a research collaboration with Juno Therapeutics, Inc. to develop engineered T cells for cancer; collaboration and nonexclusive license agreement with Genevant Sciences to develop Novel mRNA-LNP gene editing therapeuticsand strategic alliance and option agreement with Allergan Pharmaceuticals International Limited, as well as collaboration with Bristol Myers Squibb for research and development of alpha-beta T cell medicines for the treatment of cancer and autoimmune diseases. The company was formerly known as Gengine, Inc. and changed its name to Editas Medicine, Inc. in November 2013. Editas Medicine, Inc. was incorporated in 2013 and is based in Cambridge, Massachusetts.

Solid Biosciences Inc., a life science company, develops therapies for neuromuscular and cardiac diseases in the United States. The company's lead product candidate is SGT-003, a gene transfer candidate for the treatment of Duchenne muscular dystrophy; and SGT-501 to treat Catecholaminergic polymorphic ventricular tachycardia. It is also developing AVB-401 for the treatment of BAG3-mediated dilated cardiomyopathy; SGT-601 to treat a rare cardiac disease characterized by mutations in the gene that codes for cardiac troponin T protein, which helps coordinate contraction of the heart muscle; SGT-701 for treatment of rare inherited disease characterized by mutations in the RBM20 gene, a cardiac splicing factor that regulates alternative splicing, and codes for RNA binding motif protein 20; and AVB-202-TT to treat Friedreich's ataxia, as well as other drugs for the treatment of cardiac and other diseases. In addition, the company is involved in developing platform technologies, including capsid libraries and dual gene expression, a technology for packaging multiple transgenes into one capsid. The company has collaboration and license agreement with Ultragenyx Pharmaceutical Inc. to develop and commercialize new gene therapies for Duchenne; and a license agreement with the University of Washington, University of Missouri, and University of Florida. Solid Biosciences Inc. was incorporated in 2013 and is headquartered in Charlestown, Massachusetts.

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.

AVROBIO, Inc., a clinical-stage gene therapy company, develops hematopoietic stem cell gene therapies to treat rare diseases in the United States. Its gene therapies employ hematopoietic stem cells that are harvested from the patient and then modified with a lentiviral vector to insert the equivalent of a functional copy of the gene that is mutated in the target disease. The company's pipeline includes AVR-RD-02, which is in phase 1/2 clinical trial for the treatment of Gaucher disease type 1 and 3; AVR-RD-01, which is in phase 2 clinical trials for the treatment of Fabry disease; and AVR-RD-03 that is in preclinical stage for the treatment of Pompe disease. The company was incorporated in 2015 and is headquartered in Cambridge, Massachusetts.