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.

Nuvalent, Inc., a clinical stage biopharmaceutical company, engages in the development of therapies for patients with cancer. Its lead product candidates are NVL-520, a novel ROS1-selective inhibitor to address the clinical challenges of emergent treatment resistance, central nervous system (CNS)-related adverse events, and brain metastases that may limit the use of ROS1 tyrosine kinase inhibitors (TKIs) for patients with ROS proto-oncogene 1 (ROS1)-positive non-small cell lung cancer (NSCLC) which is under the phase 2 portion of the ARROS-1 Phase 1/2 clinical trial; NVL-655, a brain-penetrant ALK-selective inhibitor, to address the clinical challenges of emergent treatment resistance, CNS-related adverse events, and brain metastases that might limit the use of first-, second-, and third-generation ALK inhibitors that is under the phase 2 portion of the ALKOVE-1 Phase 1/2 clinical trial; and NVL-330, a brain-penetrant human epidermal growth factor receptor 2 (HER2)-selective inhibitor designed to treat tumors driven by HER2ex20, brain metastases, and avoiding treatment-limiting adverse events including due to off-target inhibition of wild-type EGFR, which is expected to initiate phase 1 trial. The company was incorporated in 2017 and is headquartered in Cambridge, Massachusetts.

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.

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.

Boundless Bio, Inc., a clinical-stage oncology company, develops cancer therapeutics to address the unmet need of patients with oncogene amplified tumors by targeting extrachromosomal DNA. Its lead product candidate is BBI-355, an oral inhibitor of checkpoint kinase 1 that is in Phase 1/2 clinical trial in patients with oncogene amplified cancers. The company is also developing BBI-825, an oral inhibitor of ribonucleotide reductase, which is in Phase 1/2 clinical trial in cancer patients with resistance gene amplifications; and ecDTx 3 program targeting a kinesin involved with the cellular mechanism for segregation of ecDNA. Boundless Bio, Inc. was formerly known as Pretzel Therapeutics, Inc. and changed its name to Boundless Bio, Inc. in July 2019. The company was incorporated in 2018 and is headquartered in San Diego, California.

Immuneering Corporation, a clinical-stage oncology company, engages in the development of medicines for broad populations of cancer patients. Its lead product candidates include IMM-1-104, a dual-MEK inhibitor currently under Phase 1/2a clinical trial to treat patients with cancer, including pancreatic, melanoma, colorectal, and non-small cell lung cancer caused by mutations of RAS and/or RAF; and IMM-6-415 is in Investigational New Drug application to treat solid tumors. Immuneering Corporation was incorporated in 2008 and is based in Cambridge, Massachusetts.

Bolt Biotherapeutics, Inc., a clinical-stage biopharmaceutical company, engages in the development of immunotherapies for the treatment of cancer. The company's lead product candidate BDC-1001, which is in clinical development for the treatment of patients with human epidermal growth factor receptor 2- positive solid tumors, including breast, colorectal, endometrial, and gastroesophageal cancer. It is also developing BDC-3042, an agonist antibody targeting Dectin-2 for range of tumors, such as head and neck, non-small cell lung, ovarian, triple-negative breast, and other cancer. The company has collaboration agreements with Toray Industries, Genmab A/S, Innovent Biologics, Inc., Bristol-Myers Squibb, and F. Hoffmann-La Roche Ltd; and license agreement with Stanford University. The company was formerly known as Bolt Therapeutics, Inc. and changed its name to Bolt Biotherapeutics, Inc. in July 2015. Bolt Biotherapeutics, Inc. was incorporated in 2015 and is headquartered in Redwood City, California.

Allarity Therapeutics, Inc., a clinical-stage biopharmaceutical company, engages in developing oncology therapeutics using drug-specific companion diagnostics generated by its drug response predictor technology. Its drug candidates include Stenoparib, a poly-ADP-ribose polymerase inhibitor that is in Phase 2 clinical trials for ovarian cancer; Dovitinib, a pan- tyrosine kinase inhibitor for the treatment of renal cell carcinoma; IXEMPRA (ixabepilone), a selective microtubule inhibitor in phase 2 for the treatment of metastatic breast cancer; LiPlaCis, a liposomal formulation of cisplatin, which is in Phase 2 clinical trials for metastatic breast cancer; and 2X-111, a liposomal formulation of doxorubicin that is in Phase 2 clinical trials for metastatic breast cancer and glioblastoma multiforme. Allarity Therapeutics, Inc. has a collaboration with Detsamma Investments Pty. Ltd. to develop Deflexifol for the treatment of solid tumors. The company was incorporated in 2004 and is headquartered in Boston, Massachusetts.