Syndax Pharmaceuticals, Inc., a clinical-stage biopharmaceutical company, develops therapies for the treatment of cancer. Its lead product candidates are revumenib, a potent, selective, small molecule inhibitor of the menin-MLL binding interaction for the treatment of KMT2A rearranged, acute leukemias, and solid tumor; and SNDX-6352 or axatilimab, a monoclonal antibody that blocks the colony stimulating factor 1, or CSF-1 receptor for the treatment of patients with chronic graft versus host disease (cGVHD) and idiopathic pulmonary fibrosis (IPF). The company is also developing Entinostat. It has an agreement with Eddingpharm International Company Limited for licensing, development, and commercialization of Entinostat. Syndax Pharmaceuticals, Inc. was incorporated in 2005 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.

Compass Therapeutics, Inc., a clinical-stage oncology-focused biopharmaceutical company, engages in developing antibody-based therapeutics to treat various human diseases in the United States. The company's lead product candidates include CTX-009, a bispecific antibody that blocks Delta-like ligand 4 a ligand of Notch-1, and vascular endothelial growth factor A signaling pathways, which are critical to angiogenesis and tumor vascularization; and CTX-471, an IgG4 monoclonal antibody that is an agonist of CD137, a key co-stimulatory receptor on immune cells. It also develops CTX-8371, a bispecific inhibitor that targets PD-1 and PD-L1 checkpoint inhibitor antibodies. The company was founded in 2014 and is headquartered in Boston, 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.

CytomX Therapeutics, Inc., an oncology-focused biopharmaceutical company, focuses on developing novel conditionally activated biologics localized to the tumor microenvironment. The company utilizes conditional activation platform technology for oncology biologics research and development comprising the validation of targets for antibody-drug conjugates (ADCs), opening therapeutic window for novel T-cell engagers (TCEs) targeting solid tumors, and increasing the therapeutic index for immune modulators, such as cytokines; and PROBODY platform in preclinical research in areas outside of oncology. It also develops CX-904, a T-cell-engaging bispecific antibody targeting the epidermal growth factor receptor (EGFR) on tumor cells and the CD3 receptor on T cells; CX-2051, a conditionally activated ADC for optimizing the therapeutic index for EpCAM-expressing epithelial cancers, including colorectal cancer; and CX-801, an interferon alpha-2b PROBODY cytokine. In addition, the company's development pipeline comprises CX-2029, a conditional activated ADC targeting CD71; and BMS-986288, a PROBODY version of non-fucosylated ipilimumab. It has strategic collaborations with Amgen, Astellas, Bristol Myers Squibb, Regeneron, and Moderna; and clinical trial collaboration and supply agreement with Merck for the evaluation of CX-801 in combination with anti-PD-1 therapy, KEYTRUDA (pembrolizumab). CytomX Therapeutics, Inc. was founded in 2008 and is headquartered in South San Francisco, California.

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.

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.

Deciphera Pharmaceuticals, Inc., a biopharmaceutical company, develops drugs to enhance the lives of cancer patients by addressing key mechanisms of drug resistance that limit the rate and durability of response to existing cancer therapies in the United States and internationally. Its lead drug candidate is QINLOCK used for the treatment of gastrointestinal stromal tumors (GIST), as well as in INTRIGUE Phase 3 study to treat second-line GIST. The company is also developing vimseltinib, an orally administered, potent, and highly selective switch-control kinase inhibitor of colony stimulating factor 1 receptor (CSF1R) for the treatment of tenosynovial giant cell tumor (TGCT); and DCC-3116 to treat RAS/RAF mutant cancers that is in the preclinical-stage. Deciphera Pharmaceuticals, Inc. was founded in 2003 and is headquartered in Waltham, Massachusetts.