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.

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.

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.

Checkpoint Therapeutics, Inc., a clinical-stage immunotherapy and targeted oncology company, focuses on the acquisition, development, and commercialization of novel treatments for patients with solid tumor cancers in the United States and internationally. The company's lead antibody product candidate is Cosibelimab, which is in Phase 1 clinical trial to treat patients with selected recurrent or metastatic cancers; and CK-302, a product candidate in preclinical trials for hematological malignancies and solid tumors. It is developing Olafertinib, which is in Phase 3 clinical trials for the treatment of adult patients with metastatic non-small cell lung cancer; CK-103 for the treatment of various advanced and metastatic solid tumor cancers; and Anti-Carbonic Anhydrase IX (CAIX) antibody, a product candidate in preclinical trials to recognize CAIX expressing cells and kill them via antibody-dependent cellular cytotoxicity and complement-dependent cytotoxicity. The company has licensing and collaboration agreements with Adimab, LLC for the development of Cosibelimab; NeuPharma, Inc., to develop and commercialize Olafertinib; and Jubilant Biosys Limited for the development and commercialization of novel compounds that inhibit BET bromodomains, as well as collaboration with GC Cell. The company was incorporated in 2014 and is based in Waltham, Massachusetts. Checkpoint Therapeutics, Inc. is a subsidiary of Fortress Biotech, Inc.

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.

Aptose Biosciences Inc., a clinical-stage biotechnology company, discovers and develops personalized therapies addressing unmet medical needs in oncology primarily in the United States. The company's clinical-stage oral kinase inhibitors include tuspetinib (HM43239), a once-daily oral kinase inhibitor that has completed Phase 1/2 clinical trial targeting a select group of kinases operative in myeloid malignancies, such as acute myeloid leukemia and the higher risk myelodysplastic syndromes; and luxeptinib (CG-806), a potent oral small molecule, which is in Phase 1 a/b clinical trial in patients with relapsed or refractory B cell malignancies, including chronic lymphocytic leukemia, small lymphocytic lymphoma, and certain non-Hodgkin's lymphomas, as well as relapsed or refractory acute myeloid leukemia. It has license agreements with CrystalGenomics Invites Co. Ltd. to research, develop, and commercialize luxeptinib; with National Cancer Institute for the clinical development of tuspetinib; and Hanmi Pharmaceutical Co Ltd. to research, develop, and commercialize tuspetinib. The company was formerly known as Lorus Therapeutics Inc. and changed its name to Aptose Biosciences Inc. in August 2014. Aptose Biosciences Inc. was incorporated in 1986 and is headquartered in Toronto, Canada.

Cue Biopharma, Inc., a clinical-stage biopharmaceutical company, develops a novel class of injectable therapeutics to selectively engage and modulate targeted, disease relevant T cells directly within the patient's body. Its lead drug product candidate is CUE-101 for the treatment of human papilloma virus (HPV16+)-driven recurrent/metastatic head and neck cancer. The company is also developing CUE-102 targets Wilms' Tumor 1 protein in various cancers; CUE-103, a CUE-100 series drug product candidate; and Neo-STAT and RDI-STAT programs outside of oncology, including CUE-200, CUE-300, and CUE-400 series. It has collaboration agreements with LG Chem, Ltd. for the development of Immuno-STATs focused in the field of oncology; strategic collaboration and option agreement with Ono Pharmaceutical Co., Ltd. to advance CUE-401 for the treatment of autoimmune and inflammatory diseases; and license agreement with Albert Einstein College of Medicine. The company was formerly known as Imagen Biopharma, Inc. and changed its name to Cue Biopharma, Inc. in October 2016. Cue Biopharma, Inc. was incorporated in 2014 and is headquartered in Boston, Massachusetts.