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.

Cogent Biosciences, Inc., a biotechnology company, focuses on developing precision therapies for genetically defined diseases. Its lead product candidate includes bezuclastinib (CGT9486), a selective tyrosine kinase inhibitor designed to target mutations within the KIT receptor tyrosine kinase, including KIT D816V KIT D816V mutation that drives systemic mastocytosis, as well as other mutations in KIT exon 17, which are found in patients with advanced gastrointestinal stromal tumors. The company has a licensing agreement with Plexxikon Inc. for the research, development, and commercialization of bezuclastinib. The company was formerly known as Unum Therapeutics Inc. and changed its name to Cogent Biosciences, Inc. in October 2020. Cogent Biosciences, Inc. was incorporated in 2014 and is headquartered in Waltham, Massachusetts.

Cullinan Therapeutics, Inc., a biopharmaceutical company, focuses on developing oncology therapies for cancer patients in the United States. The company's lead program comprises CLN-619, a monoclonal antibody that is in Phase I clinical trial for the treatment of solid tumors. Its development portfolio also includes CLN-049, a humanized bispecific antibody that is in Phase I clinical trial for the treatment of acute myeloid leukemia or myelodysplastic syndrome; CLN-418, a human bispecific immune activator that is in Phase 1 clinical trial for the treatment of multiple solid tumors; and Zipalertinib, a bioavailable small-molecule for treating patients with non-small cell lung cancer. In addition, the company's development products comprise CLN-617, a fusion protein for the treatment of solid tumors; and CLN-978, a T cell engaging antibody for the treatment relapsed/refractory B-cell non-Hodgkin lymphoma. It has license and collaboration agreement with Adimab, LLC to discover and/or optimize antibodies; Harbour BioMed US Inc. for the development, manufacturing, and commercialization of CLN-418; and co-development agreement with Taiho Pharmaceutical Co., Ltd to develop Zipalertinib. Cullinan Therapeutics, Inc. was formerly known as Cullinan Oncology, Inc. and changed its name to Cullinan Therapeutics, Inc. in April 2024. Cullinan Therapeutics, Inc. was incorporated in 2016 and is headquartered in Cambridge, Massachusetts.

Rigel Pharmaceuticals, Inc., a biotechnology company, engages in discovering, developing, and providing therapies that enhance the lives of patients with hematologic disorders and cancer. The company's commercialized products include Tavalisse, an oral spleen tyrosine kinase inhibitor for the treatment of adult patients with chronic immune thrombocytopenia; Rezlidhia, a non-intensive monotherapy for the treatment of adult patients with relapsed or refractory (R/R) acute myeloid leukemia (AML) with a susceptible isocitrate dehydrogenase-1 (IDH1) mutation as detected by an FDA-approved test; and GAVRETO, a once daily, small molecule, oral, kinase inhibitor for the treatment of adult patients with metastatic rearranged during transfection (RET) fusion-positive non-small cell lung cancer, as well as for the treatment of adult and pediatric patients 12 years of age and older with advanced or metastatic RET fusion-positive thyroid cancer. It also develops R289, an oral IRAK1/4 Inhibitor, which is in Phase 1b clinical trials for the treatment of hematology-oncology, autoimmune, and inflammatory diseases; and a receptor-interacting serine/threonine-protein kinase 1 (RIPK1) inhibitor program in clinical development with partner Eli Lilly and Company. In addition, the company has product candidates in clinical development with partners BerGenBio ASA and Daiichi Sankyo. The company has strategic development collaboration with The University of Texas MD Anderson Cancer Center for the development of REZLIDHIA (Olutasidenib) in acute myeloid leukemia (AML) and other hematologic cancers. The company was incorporated in 1996 and is headquartered in South San Francisco, California.

Foghorn Therapeutics Inc., a clinical-stage biopharmaceutical company, engages in the discovery and development of medicines targeting genetically determined dependencies within the chromatin regulatory system in the United States. The company uses its proprietary Gene Traffic Control platform to identify, validate, and potentially drug targets within the system. It develops FHD-286, a small molecule inhibitor of the enzymatic activity of BRG1 and BRM that is in phase I for the treatment of relapsed and/or refractory acute myeloid leukemia/myelodysplastic syndrome. The company is also developing therapies for mutant cancers, such as Non-Small Cell Lung, bladder, endometrial, colorectal, and melanoma cancers; and dependent cancers, including prostate cancer and diffuse large b-cell lymphoma. It has a research collaboration and license agreement with Merck Sharp & Dohme Corp. to discover and develop novel oncology therapeutics against a transcription factor target; and Eli Lilly and Company for developing FHD-909, a selective ATPase inhibitor of BRM. Foghorn Therapeutics Inc. was incorporated in 2015 and is headquartered in Cambridge, Massachusetts.

Black Diamond Therapeutics, Inc., a clinical-stage oncology medicine company, focuses on the discovery and development of MasterKey therapies for patients with genetically defined tumors. The company's lead product candidate is BDTX-1535, a brain-penetrant epidermal growth factor receptor MasterKey inhibitor, which is in phase 2 clinical trial for the treatment of epidermal growth factor receptor mutant non-small cell lung cancer, as well as phase 1 clinical trial to treat glioblastoma. It is also developing BDTX-4933, a brain-penetrant RAF MasterKey inhibitor targeting KRAS, NRAS, and BRAF alterations in solid tumors that is in phase 1 clinical trial. In addition, the company is developing BDTX-4876, a MasterKey inhibitor of oncogenic FGFR2/3 mutations with selectivity versus FGFR1/4, which is in preclinical stage. The company was formerly known as ASET Therapeutics, Inc. and changed its name to Black Diamond Therapeutics, Inc. in January 2018. Black Diamond Therapeutics, Inc. was incorporated in 2014 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.

Curis, Inc., a biotechnology company, engages in the discovery and development of drug candidates for the treatment of human cancers in the United States. Its clinical stage drug candidates include Emavusertib, an oral small molecule IRAK4 kinase inhibitor, which is in a Phase 1/2 open-label, single arm expansion trial in patients with relapsed or refractory, or R/R, AML and high-risk myelodysplastic syndromes. The company's pipeline also includes Fimepinostat, an oral dual inhibitor of HDAC and PI3K enzymes for the treatment of patients with relapsed or refractory diffuse large B-cell lymphoma; CA-170, an oral, small molecule antagonist designated as CA-170 that selectively targets PD-L1 and VISTA; and CA-327, an oral, small molecule, TIM3/PD-L1, which is a molecule antagonist of PD-L1 and TIM3. It has collaboration agreement with Genentech Inc., or Genentech and F. Hoffmann-La Roche Ltd, or Roche, for the commercialization of Erivedge, an orally-administered small molecule hedgehog signaling pathway antagonist for the treatment of advanced basal cell carcinoma, or BCC; Aurigene Discovery Technologies Limited for the discovery, development, and commercialization of small molecule compounds in the areas of immuno-oncology and precision oncology; and also licensed four programs under the Aurigene collaboration, including emavusertib. Curis, Inc. was incorporated in 2000 and is headquartered in Lexington, Massachusetts.