Sarepta Therapeutics, Inc., a commercial-stage biopharmaceutical company, focuses on the discovery and development of RNA-targeted therapeutics, gene therapies, and other genetic therapeutic modalities for the treatment of rare diseases. It offers EXONDYS 51 injection to treat duchenne muscular dystrophy (duchenne) in patients with confirmed mutation of the dystrophin gene that is amenable to exon 51 skipping; VYONDYS 53 for the treatment of duchenne in patients with confirmed mutation of the dystrophin gene that is amenable to exon 53 skipping; AMONDYS 45 for the treatment of duchenne in patients with confirmed mutation of the dystrophin gene; and ELEVIDYS, an adeno-associated virus based gene therapy for the treatment of ambulatory pediatric patients aged 4 through 5 years with duchenne with a confirmed mutation in the duchenne gene. The company is also developing SRP-5051, a peptide conjugated PMO that binds exon 51 of dystrophin pre-mRNA; and SRP-9003, a limb-girdle muscular dystrophies gene therapy program. It has collaboration and license agreements with F. Hoffman-La Roche Ltd; Nationwide Children's Hospital; Genevant Sciences; University of Florida; Dyno Therapeutics; Hansa Biopharma; Duke University; Genethon; and StrideBio. The company was incorporated in 1980 and is headquartered 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.

Sangamo Therapeutics, Inc., a clinical-stage genomic medicine company, focuses on translating science into medicines that transform the lives of patients and families afflicted with serious diseases in the United States. The company's clinical-stage product candidates are ST-920, a gene therapy product candidate, which is in Phase 1/2 clinical study for the treatment of Fabry disease; TX200, a chimeric antigen receptor engineered regulatory T cell (CAR-Treg) therapy product candidate that is in Phase 1/2 clinical study for the prevention of immune-mediated rejection in HLA-A2 mismatched kidney transplantation; SB-525, a gene therapy product candidate, which is in Phase 3 clinical trial for the treatment of moderately severe to severe hemophilia A; BIVV003, a zinc finger nuclease gene-edited cell therapy product candidate that is in Phase 1/2 PRECIZN-1 clinical study for the treatment of sickle cell disease. Its preclinical development products focus on CAR-Treg cell therapies for autoimmune disorders and genome engineering for neurological diseases. Sangamo Therapeutics, Inc. has collaborative and strategic partnerships with Biogen MA, Inc.; Kite Pharma, Inc.; Pfizer Inc.; Sanofi S.A.; Novartis Institutes for BioMedical Research, Inc.; Shire International GmbH; Dow AgroSciences LLC; Sigma-Aldrich Corporation; Genentech, Inc.; Open Monoclonal Technology, Inc.; and California Institute for Regenerative Medicine. The company was formerly known as Sangamo BioSciences, Inc. and changed its name to Sangamo Therapeutics, Inc. in January 2017. Sangamo Therapeutics, Inc. was incorporated in 1995 and is headquartered in Richmond, California.

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.

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.

Precision BioSciences, Inc., an advanced gene editing company, develops in vivo gene editing therapies for gene edits, including gene elimination, insertion, and excision in the United States. The company offers ARCUS, a genome editing platform to DNA genome insertion, deletion, and repair. It also provides PBGENE-HBV for the treatment of chronic hepatitis B virus (HBV) to eliminate covalently closed circular DNA with direct cuts and edits as well as to inactivate integrated HBV DNA with the goal of long-lasting reductions in hepatitis B surface antigen; PBGENE-PMM for the treatment of m.3243 associated primary mitochondrial myopathy (PMM) which is expected to submit an IND and/or CTA. In addition, it develops PBGENE-NVS for sickle cell disease/beta thalassemia for insertion; PBGENE-DMD (excision) for duchenne muscular dystrophy; PBGENE-LL2 (insertion), a liver directed target; PBGENE-LL3, a central nervous system directed target; and iECURE-OTC (insertion) for ornithine transcarbamylase deficiency. The company has license and collaboration agreement with Caribou Biosciences, Inc.; license agreement with TG Cell Therapy, Inc. to develop, manufacture, and commercialize azer-cel for autoimmune diseases and other indications outside of cancer; development and license agreement with Eli Lilly and Company for the research and development of potential in vivo therapies for genetic disorders; Cellectis S.A.; iECURE, Inc. to develop ARCUS-based gene-insertion therapies; Duke University; and Novartis Pharma AG to discover and develop in vivo gene editing products. Precision BioSciences, Inc. was incorporated in 2006 and is headquartered in Durham, North Carolina.