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.

Candel Therapeutics, Inc., a clinical stage biopharmaceutical company, engages in the development immunotherapies for the cancer patients. It develops CAN-2409, which is in Phase II clinical trials for the treatment of pancreatic cancer; Phase III clinical trials for the treatment of prostate cancer; and Phase II clinical trials for the treatment of lung cancer, as well as has completed Phase Ib/II clinical trials for the treatment of high-grade glioma. The company also develops CAN-3110, which is in Phase I clinical trials for the treatment of recurrent high-grade glioma. It also develops the?enLIGHTEN Discovery Platform, a systematic, iterative HSV-based discovery platform leveraging human biology and advanced analytics to create new viral immunotherapies for solid tumors. The company was formerly known as Advantagene, Inc. and changed its name to Candel Therapeutics, Inc. in November 2020. Candel Therapeutics, Inc. was incorporated in 2003 and is headquartered in Needham, 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.

Pyxis Oncology, Inc., a clinical stage company, engages in the development of therapeutics to treat cancers. Its lead antibody-drug conjugates (ADC) product candidate is PYX-201, an investigational novel ADC consisting of human immunoglobulin G1 (IgG1), which is in Phase 1 clinical trial to treat patients with relapsed or refractory solid tumors; and lead immuno-oncology (IO) product candidate is PYX-106, an investigational fully human IgG1 Siglec-15-targeting antibody that is in Phase 1 clinical trial to treat patients with advanced solid tumors. The company is also developing PYX-107, a CD40 agonist with demonstrated anti-cancer activity in patients who previously progressed on PD-(L)1 inhibitors, which is in Phase 2 clinical trial for the treatment of solid tumors, such as soft tissue sarcomas, esophageal and gastroesophageal junction, cancers, and melanoma in combination with chemotherapy, radiation therapy, and immunotherapy. It has in-license agreement with Pfizer Inc. to develop and commercialize ADC product candidates directed to certain licensed targets, including PYX-201 and PYX-203, and products containing the ADC product candidates; and Biosion USA, Inc. for development, manufacture, and commercialization of PYX-106, an IO product candidate. Pyxis Oncology, Inc. was incorporated in 2018 and is headquartered in Boston, Massachusetts.

Elicio Therapeutics, Inc., a clinical-stage biotechnology company, develops a pipeline of novel immunotherapies for the treatment of cancer. Its lead product candidate is ELI-002, a multivalent lymph node–targeted AMP peptide vaccine that is in Phase II clinical trial to target seven Kirsten rat sarcoma viral oncogene homolog driver mutations. The company is also developing ELI-007, a multivalent lymph node–targeted AMP peptide vaccine to target mutant v-raf murine sarcoma viral oncogene homolog B1 gene mutations found in solid tumors; and ELI-008, a multivalent lymph node–targeted AMP peptide vaccine to target p53 hotspot mutations. The company is headquartered in Boston, Massachusetts.

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.

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.

Leap Therapeutics, Inc., a biopharmaceutical company, acquires and develops antibody therapies for the treatment of cancer. Its lead product candidates include DKN-01, a monoclonal antibody that inhibits Dickkopf-related protein 1, which is in multiple ongoing clinical trials for treating esophagogastric and gynecologic cancers; and FL-301, a monoclonal antibody that targets cells that express Claudin18.2 on their cell surface and is in phase II clinical trial, as well as two preclinical antibody programs, FL-302 and FL-501. Leap Therapeutics, Inc. has an option and license agreement with NovaRock, Adimab, and BeiGene, Ltd. to develop and commercialize DKN-01 in Asia (excluding Japan), Australia, and New Zealand. The company was formerly known as HealthCare Pharmaceuticals, Inc. and changed its name to Leap Therapeutics, Inc. in November 2015. Leap Therapeutics, Inc. was incorporated in 2011 and is based in Cambridge, Massachusetts.