Iteos Therapeutics, Inc., a clinical-stage biopharmaceutical company, engages in the discovery and development of immuno-oncology therapeutics for patients with cancer. The company's lead antibody product candidate, belrestotug, an antagonist of TIGIT or T-cell immunoreceptor with Ig and ITIM domains, which is in Phase 1b clinical trial, as well as used to engage the Fc gamma receptor, or Fc?R to activate dendritic cells, natural killer cells, and macrophages and to promote antibody-dependent cellular cytotoxicity, or ADCC activity. Its product pipeline also includes inupadenant, a next-generation A2AR antagonists that is in Phase 1/2a clinical trials to overcome the specific adenosine-mediated immunosuppression found in tumor microenvironment; and EOS-984, a small molecule targeting equilibrative nucleoside transporter 1 (ENT1) to inhibit the immunosuppressive activity of adenosine and restore immune cell proliferation is in Phase 1 clinical trials. Iteos Therapeutics, Inc. was founded in 2011 and is headquartered in Watertown, Massachusetts.

TScan Therapeutics, Inc., a clinical-stage biopharmaceutical company, develops T cell receptor-engineered T cell (TCR-T) therapies for the treatment of patients with cancer in the United States. The company's lead product candidates include TSC-100 and TSC-101 that is in Phase I clinical trial for the treatment of patients with hematologic malignancies to eliminate residual disease and prevent relapse after allogeneic hematopoietic cell transplantation. It also develops TSC-200, TSC-201, TSC-203, and TSC-204, which are in Phase 1 clinical trial, for the treatment of solid tumors; and TSC-202 to treat solid tumors. In addition, the company develops vaccines for infectious diseases, such as SARS-CoV-2. It has collaborations with Novartis Institutes for BioMedical Research, Inc. To discover and develop novel TCR-T therapies; and Amgen Inc. to identify antigens recognized by T cells in patients with Crohn's disease using TargetScan, a proprietary target discovery platform. TScan Therapeutics, Inc. was incorporated in 2018 and is headquartered in Waltham, Massachusetts.

Agenus Inc., a clinical-stage biotechnology company, discovers and develops immuno-oncology products in the United States and internationally. The company offers Retrocyte Display, an antibody expression platform for the identification of fully human and humanized monoclonal antibodies; and display technologies. It develops QS-21 Stimulon adjuvant, a saponin-based vaccine adjuvant. The company also develops Balstilimab, an anti-PD-1 antagonist that has completed Phase II clinical trial to treat second line cervical cancer; AGEN1181, an antigen 4 (CTLA-4) blocking antibody that is in Phase 2 clinical trial for the treatment of pancreatic cancer and and melanoma; AGEN2373, a CD137 monospecific antibody that is in Phase 1b clinical trial; AGEN1423, a CD73/TGFß TRAP antibody; AGEN1571, an ILT2 monospecific antibody that is in Phase 1 clinical trial; and BMS-986442, a TIGIT bispecific antibodies. In addition, it develops INCAGN1876, a GITR agonist; INCAGN2390, a TIM-3 monospecific antibody; INCAGN2385, a LAG-3 monospecific antibody; MK-4830, a monospecific antibody targeting ILT4 that is in Phase 2 clinical trial; UGN-301, a zalifrelimab intravesical solution for the treatment of cancers of the urinary tract that is in a Phase 1 clinical trial; and AGEN1884, a first-generation anti-CTLA-4 monospecific antibody. The company operates under Agenus, MiNK, Prophage, Retrocyte Display, and Stimulon trademarks. It has collaborations with Bristol-Myers Squibb Company, Betta Pharmaceuticals Co., Ltd., Incyte Corporation, Merck Sharpe & Dohme, and Gilead Sciences, Inc. The company was formerly known as Antigenics Inc. and changed its name to Agenus Inc. in January 2011. Agenus Inc. was founded in 1994 and is headquartered in Lexington, 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.

Werewolf Therapeutics, Inc., a biopharmaceutical company, develops therapeutics engineered to stimulate the body's immune system for the treatment of cancer. The company, through its proprietary PREDATOR platform, designs conditionally activated molecules that stimulate adaptive and innate immunity for addressing the limitations of conventional proinflammatory immune therapies. Its lead product candidates are WTX-124, a conditionally activated Interleukin-2 INDUKINE molecule that is in Phase I/Ib clinical trial for the treatment of advanced or metastatic solid tumors; and WTX-330, a conditionally activated Interleukin-12 INDUKINE molecule, which is in Phase I clinical trial for the treatment of advanced or metastatic solid tumors and lymphoma. The company is also developing JZP898, a conditionally activated interferon alpha INDUKINE molecule for the treatment of cancer; and WTX-712, an activated Interleukin-21(IL-21) and WTX-518, an activated IL-18 (IL-18) INDUKINE molecule for the treatment of cancer. Werewolf Therapeutics, Inc. was incorporated in 2017 and is headquartered in Watertown, 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.

NexImmune, Inc., a clinical-stage biotechnology company, engages in developing therapies with curative potential for patients with cancer and other life-threatening immune-mediated diseases in the United States. It develops approaches to T cell immunotherapies based on its proprietary Artificial Immune Modulation, a nanoparticle technology platform. The company's product candidates include NEXI-001, an allogeneic cell therapy, which is in Phase I/II clinical trials for the treatment of patients with acute myeloid leukemia; NEXI-002, an autologous cell therapy that is in Phase I/II clinical trials for the treatment of patients with relapsed and/or refractory in multiple myeloma; and NEXI-003, a product candidate targeted against HPV related cancers, which is in Phase I/II clinical trials. It provides NEXI-004 which is in preclinical stage for EBV related diseases; and NEXI005 designs for patient with specific targets for solid tumors. NexImmune, Inc. was incorporated in 2011 and is headquartered in Gaithersburg, Maryland.