Vera Therapeutics, Inc., a clinical stage biotechnology company, focuses on developing and commercializing treatments for patients with serious immunological diseases. Its lead product candidate is atacicept, a fusion protein self-administered as a subcutaneous injection that is in Phase III clinical trial for patients with immunoglobulin A nephropathy; and for treatment of lupus nephritis that is in Phase II clinical trial. It is also developing MAU868, a human monoclonal antibody for the treatment of BK viremia infections. The company was formerly known as Trucode Gene Repair, Inc. and changed its name to Vera Therapeutics, Inc. in April 2020. Vera Therapeutics, Inc. was incorporated in 2016 and is headquartered in Brisbane, California.

Zenas BioPharma, Inc., a clinical-stage biopharmaceutical company, engages in the development and commercialization of transformative immunology-based therapies. Its lead product candidate is obexelimab, a bifunctional monoclonal antibody for various indications, including immunoglobulin G4-related disease, multiple sclerosis, systemic lupus erythematosus, and warm autoimmune hemolytic anemia. The company also develops ZB002, an anti-TNFa monoclonal antibody; ZB004, a cytotoxic T-lymphocyte-associated antigen 4-immunoglobulin fusion; ZB001, an anti-insulin-like growth factor-1 receptor monoclonal antibody; and ZB005, an anti-active complement component 1s monoclonal antibody. Zenas BioPharma, Inc. was formerly known as Zenas BioPharma (Cayman) Limited and changed its name to Zenas BioPharma, Inc. in August 2023. The company was incorporated in 2019 and is based in Waltham, Massachusetts.

Aldeyra Therapeutics, Inc., a biotechnology company, develops and commercializes medicines for immune-mediated diseases. Its lead product candidate is reproxalap, a reactive aldehyde species (RASP)modulator, which is in Phase III clinical trial for the treatment of dry eye diseases. The company also develops ADX-629, an orally administered RASP modulator for treatment of COVID-19, atopic asthma, psoriasis, and alcohol intoxication; and ADX-2191, a dihydrofolate reductase inhibitor for the treatment retinitis pigmentosa, as well as rare retinal diseases characterized by inflammation and vision loss. In addition, it develops ADX-246 in systemic immune-mediated disease; and ADX-248 in geographic atrophy. The company was formerly known as Aldexa Therapeutics, Inc. and changed its name to Aldeyra Therapeutics, Inc. in March 2014. Aldeyra Therapeutics, Inc. was incorporated in 2004 and is based in Lexington, Massachusetts.

Cabaletta Bio, Inc., a clinical-stage biotechnology company, focuses on the discovery and development of engineered T cell therapies for patients with B cell-mediated autoimmune diseases. The company's lead product candidate is CABA-201, a fully human anti-CD19 binder for the treatment of Phase 1/2 clinical trials in dermatomyositis, anti-synthetase syndrome, immune-mediated necrotizing myopathy, lupus nephritis, non-renal systemic lupus erythematosus, systemic sclerosis, and generalized myasthenia gravis. It also develops DSG3-CAART, which is in Phase I/II clinical trial for the treatment of mucosal pemphigus vulgaris; and MuSK-CAART, an investigational cell therapy that is in Phase I/II clinical trial for treating patients with anti- muscle-specific kinase antibody positive myasthenia gravis. It has a collaboration with the University of Pennsylvania and the Children's Hospital of Philadelphia; Nanjing IASO Biotherapeutics Co., Ltd; Oxford Biomedica; and WuXi Advanced Therapies, Inc. The company was formerly known as Tycho Therapeutics, Inc. and changed its name to Cabaletta Bio, Inc. in August 2018. Cabaletta Bio, Inc. was incorporated in 2017 and is headquartered in Philadelphia, Pennsylvania.

Adicet Bio, Inc., a clinical stage biotechnology company, discovers and develops allogeneic gamma delta T cell therapies for autoimmune diseases and cancer. The company offers gamma delta T cells engineered with chimeric antigen receptors (CARs) to facilitate durable activity in patients. Its lead product candidate is ADI-001, an allogeneic gamma delta T cell therapy expressing a CAR targeting CD20, which is in Phase I clinical trial for the treatment of autoimmune diseases and relapsed or refractory aggressive B cell non-Hodgkin's lymphoma. The company is also developing ADI-270, an armored gamma delta CAR T cell product candidate targeting renal cell carcinoma for treating other CD70+ solid tumor and hematological malignancies indications. The company was founded in 2014 and is based in Boston, Massachusetts.

Avalo Therapeutics, Inc., a clinical stage biotechnology company, focuses on the development of therapies for the treatment of immune dysregulation in the Unites States. The company's drug candidates include AVTX-009, an Anti-IL-1ß monoclonal antibody which is under Phase I targeting inflammatory diseases; and AVTX-008, a fully human B and T lymphocyte attenuator agonist fusion protein for the treatment of immune dysregulation disorders. It also develops Quisovalimab (AVTX-002), an Anti-LIGHT mAb which is in phase II for immune-inflammatory diseases. The company was formerly known as Cerecor Inc. and changed its name to Avalo Therapeutics, Inc. in August 2021. Avalo Therapeutics, Inc. was incorporated in 2011 and is headquartered in Rockville, Maryland.

Aditxt, Inc., a biotech company, engages in the development and commercialization of technologies that focus on improving the health through monitoring and modulating the immune systems. The company develops AditxtScore that allows individuals to understand, manage, and monitor their immune profiles in order to be informed about attacks on or by their immune system; and Apoptotic DNA Immunotherapy, a nucleic acid-based technology that utilizes an approach that mimics the way the body naturally induces tolerance to its tissues. It also develops ADI-100 for skin grafting, psoriasis, type 1 diabetes, and multiple sclerosis. Aditxt, Inc. has a license agreement with Loma Linda University and Leland Stanford Junior University. The company was formerly known as ADiTx Therapeutics, Inc. and changed its name to Aditxt, Inc. in July 2021. Aditxt, Inc. was incorporated in 2017 and is headquartered in Richmond, Virginia.

Equillium, Inc., a clinical-stage biotechnology company, develops and sells products to treat severe autoimmune and inflammatory, or immuno-inflammatory disorders with unmet medical need. The company's lead product candidate is itolizumab (EQ001), a first-in-class monoclonal antibody that targets the immune checkpoint receptor CD6, which is in Phase III clinical trials for the treatment of acute graft-versus-host disease; completed Phase I clinical trial for the treatment of ulcerative colitis; and Phase I clinical trial for the treatment of lupus nephritis. It also develops EQ101 completed phase 1/2 for treatment of cutaneous T cell lymphoma and alopecia areata; and EQ302 to treat gastrointestinal indications. In addition, it serves dermatology, gastroenterology, rheumatology, hematology, transplant science, oncology, and pulmonology area. Equillium, Inc. has a research collaboration agreement with Vivtex Corporation to develop GI-targeted formulations for Bi-specific peptide therapy. The company was formerly known as Attenuate Biopharmaceuticals, Inc. and changed its name to Equillium, Inc. in May 2017. Equillium, Inc. was incorporated in 2017 and is headquartered in La Jolla, California.