Blueprint Medicines Corporation, a precision therapy company, develops medicines for genomically defined cancers and blood disorders in the United States and internationally. The company is developing AYVAKIT for the treatment of systemic mastocytosis (SM) and gastrointestinal stromal tumors; BLU-263, an orally available, potent, and KIT inhibitor for the treatment of indolent SM, and other mast cell disorders. It is also developing GAVRETO for the treatment of RET fusion-positive non-small cell lung cancer, altered thyroid carcinoma, and medullary thyroid carcinoma; BLU-945 for the treatment of epidermal growth factor receptor driven non-small-cell lung carcinoma (NSCLC); and BLU-451 to treat NSCLC in patients with epidermal growth factor receptor gene (EGFR) exon 20 insertion mutations. In addition, the company is developing BLU-782, for the treatment of fibrodysplasia ossificans progressive; BLU- 222 to treat patients with cyclin E aberrant cancers; and BLU-852 for the treatment of advanced cancers. It has collaboration and license agreements with Clementia Pharmaceuticals, Inc.; Proteovant Therapeutics; CStone Pharmaceuticals; Genentech, Inc.; Hoffmann-La Roche Inc.; and Zai Lab (Shanghai) Co., Ltd. The company was formerly known as Hoyle Pharmaceuticals, Inc. and changed its name to Blueprint Medicines Corporation in June 2011. Blueprint Medicines Corporation was incorporated in 2008 and is headquartered in Cambridge, Massachusetts.

Relay Therapeutics, Inc. operates as a clinical-stage precision medicines company. It engages in transforming the drug discovery process with an initial focus on enhancing small molecule therapeutic discovery in targeted oncology and genetic disease indications. The company's lead product candidates include RLY-4008, an oral small molecule inhibitor of fibroblast growth factor receptor 2 (FGFR2), which is in a first-in-human clinical trial for patients with advanced or metastatic FGFR2-altered solid tumors; RLY-2608, a lead mutant-PI3Ka inhibitor program that targets phosphoinostide 3 kinase alpha; and Migoprotafib (GDC-1971), an oral, small molecule, potent and selective inhibitor of the protein tyrosine phosphatase SHP2 that binds and stabilizes Src homology region 2 domain-containing phosphatase-2 (SHP2) as a monotherapy in patients with advanced or metastatic solid tumors. In addition, it has collaboration and license agreements with D. E. Shaw Research, LLC to research certain biological targets through the use of D. E. Shaw Research computational modeling capabilities focused on analysis of protein motion to develop and commercialize compounds and products directed to such targets; and Genentech, Inc. for the development and commercialization of GDC-1971. The company was formerly known as Allostery, Inc. and changed its name to Relay Therapeutics, Inc. in December 2015. Relay Therapeutics, Inc. was incorporated in 2015 and is headquartered 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.

Tango Therapeutics, Inc., a biotechnology company, discovers and develops drugs for the treatment of cancer. Its lead program is TNG908, a synthetic lethal small molecule inhibitor of protein arginine methyltransferase 5 that is being developed as a treatment for cancers with methylthioadenosine phosphorylase deletions. The company develops TNG462, an oral small molecule methylthioadenosine-cooperative inhibitor for the treatment for cancers with methylthioadenosine phosphorylase deletions; TNG260, a co-repressor of repressor element-1 silencing transcription -selective inhibitor; TNG348, an ubiquitin-specific protease 1 inhibitor to treat patients with BRCA1 or BRCA2-mutant cancers; and Target 3 for STK11-mutant cancers. It has a strategic collaboration with Gilead Sciences, Inc. for the discovery, development, and commercialization of a pipeline of therapies for patients with cancer. Tango Therapeutics, Inc. was founded in 2017 and is headquartered in Boston, Massachusetts.

C4 Therapeutics, Inc., a clinical-stage biopharmaceutical company, develops novel therapeutic candidates to degrade disease-causing proteins for the treatment of cancer, neurodegenerative conditions, and other diseases. Its lead product candidate is CFT7455, an orally bioavailable MonoDAC degrader of protein that is in Phase 1/2 trial targeting IKZF1 and IKZF3 for multiple myeloma and non-Hodgkin lymphomas, including peripheral T-cell lymphoma and mantle cell lymphoma, currently under Phase 1/2 clinical trials. The company is also developing CFT1946, an orally bioavailable BiDAC degrader targeting V600X mutant BRAF to treat melanoma, non-small cell lung cancer (NSCLC), colorectal cancer, and other solid malignancies, currently under Phase 1/2 clinical trials; and CFT8919, an orally bioavailable, allosteric, and mutant-selective BiDAC degrader of epidermal growth factor receptor, or EGFR, with an L858R mutation in NSCLC. It has strategic collaborations with F. Hoffmann-La Roche Ltd and Hoffmann-La Roche Inc.; Biogen MA, Inc.; Betta Pharmaceuticals, Co., Ltd.; and Merck Sharp & Dohme, LLC, as well as Calico Life Sciences LLC. The company was incorporated in 2015 and is headquartered in Watertown, 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.

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.

Cyclacel Pharmaceuticals, Inc., a clinical-stage biopharmaceutical company, develops medicines for the treatment of cancer and other proliferative diseases in the United States, the United Kingdom, and internationally. The company's lead product includes fadraciclib, a cyclin dependent kinase Inhibitors (CDK) that is in Phase 1/2 clinical trial for the treatment of solid tumors and hematological malignancies, as well as in combination with venetoclax to treat relapsed or refractory chronic lymphocytic leukemia; and Plogosertib, a polo-like kinase inhibitor program, which is in Phase 1/2 clinical trial for the treatment of advanced solid tumors and hematological malignancies. It has a clinical collaboration agreement with the University of Texas MD Anderson Cancer Center to clinically evaluate the safety and efficacy of three cyclacel medicines in patients with hematological malignancies, including chronic lymphocytic leukemias, acute myeloid leukemias, myelodysplastic syndromes, and other advanced leukemias. The company was founded in 1996 and is headquartered in Berkeley Heights, New Jersey.