Kymera Therapeutics, Inc., a biopharmaceutical company, focuses on discovering and developing novel small molecule therapeutics that selectively degrade disease-causing proteins by harnessing the body's own natural protein degradation system. It engages in developing IRAK4 program, which is in Phase II clinical trial for the treatment of immunology-inflammation diseases, including hidradenitis suppurativa, atopic dermatitis; STAT3 program for the treatment of hematologic malignancies and solid tumors, as well as autoimmune diseases and fibrosis; and MDM2 program to treat hematological malignancies and solid tumors. The company develops STAT6, a Type 2 inflammation in allergic diseases; and TYK2, a treatment for inflammatory bowel disease, psoriasis, psoriatic arthritis, and lupus. The company was incorporated in 2015 and is headquartered in Watertown, Massachusetts.

Tourmaline Bio, Inc. operates as a clinical biotechnology company that develops medicines for patients with life-altering immune and inflammatory diseases. It develops TOUR006, a human anti-IL-6 monoclonal antibody that selectively binds to interleukin-6, a key proinflammatory cytokine involved in the pathogenesis of many autoimmune and inflammatory disorders. The company's development pipeline comprises medicines and therapies for the atherosclerotic cardiovascular disease (ASCVD) and thyroid eye disease (TED). The company was formerly known as Tourmaline Bio, LLC and changed its name to Tourmaline Bio, Inc. in September 2022. Tourmaline Bio, Inc. was founded in 2021 and is headquartered in New York, New York.

HCW Biologics Inc., a clinical-stage biopharmaceutical company, focuses on discovering and developing novel immunotherapies for chronic, low-grade inflammation, and age-related diseases in the United States. The company's lead products include HCW9218, which is in Phase 1 clinical chemo-refractory/chemo-resistant solid tumors with pancreatic, ovarian, breast, prostate, and colorectal cancers, as well as Phase 2 clinical trial with metastatic advanced stage ovarian cancer patients; and HCW9302 for autoimmune and proinflammatory diseases, such as alopecia areata diseases. It also develops HCW9201, a cell-based therapy that is in Phase I clinical trials for the treatment of patients with relapsed/refractory acute myelogenous leukemia; and HCW9206, an injectable immunotherapeutic to use as adjuvant for adoptive cell therapy in cancer treatment. The company was incorporated in 2018 and is headquartered in Miramar, Florida.

Acelyrin, Inc., a clinical biopharma company, focuses on identifying, acquiring, and accelerating the development and commercialization of transformative medicines. The company's lead product candidate is izokibep, a small protein therapeutic designed to inhibit IL-17A with high potency, which is in Phase 3 clinical trials for use in the treatment of Hidradenitis Suppurativa, Psoriatic Arthritis, and uveitis, as well as in Phase 2 clinical trials for use in the treatment of Axial Spondyloarthritis. It is also developing lonigutamab, a humanized immunoglobulin G1 (IgG1) monoclonal antibody which is in Phase 1 clinical trials for use in the treatment of thyroid eye disease. In addition, the company's develops SLRN-517, a fully human IgG1 monoclonal antibody targeting c-KIT, which is in preclinical stage for use in the treatment of chronic urticaria. Acelyrin, Inc. was incorporated in 2020 and is headquartered in Agoura Hills, California.

Aclaris Therapeutics, Inc. a clinical-stage biopharmaceutical company, engages in the development of novel drug candidates for immune-inflammatory diseases in the United States. The company operates through two segments, Therapeutics and Contract Research. The Therapeutics segment is involved in identifying and developing therapies to address significant unmet needs for immuno-inflammatory diseases. The Contract Research segment provides laboratory services. It develops Zunsemetinib (ATI-450), an MK2 inhibitor which is under Phase 1b/2 trials for the treatment of metastatic breast and pancreatic cancer; ATI-1777, a soft JAK 1/3 inhibitor, completed Phase 2b trails for the treatment of moderate to severe atopic dermatitis and other dermatologic conditions; and ATI-2138, an oral covalent inhibitor of ITK and JAK3 inhibitor under Phase 1 trials as a treatment for T cell-mediated autoimmune diseases. The company was incorporated in 2012 and is headquartered in Wayne, Pennsylvania.

Zura Bio Limited, a clinical-stage biotechnology company, focuses on developing novel medicines for immune and inflammatory disorders. It develops Tibulizumab, an IgG-scFv bispecific dual-antagonist antibody engineered by the fusion of ixekizumab and tabalumab that neutralizes IL-17A and BAFF, which is in Phase 2 clinical trial development; ZB-168, a monoclonal antibody that binds and neutralizes the IL-7 receptor chain that impact on diseases driven by IL7 and thymic stromal lymphopoietin immune pathways; and Torudokimab, a monoclonal antibody that neutralizes IL33, which is in Phase 2 clinical trial development. The company is based in Henderson, Nevada.

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.

ZyVersa Therapeutics, Inc., a clinical stage biopharmaceutical company, develops and commercializes products for the treatment of renal and inflammatory diseases. The company develops drug development platforms, including Cholesterol Efflux Mediator VAR 200, an injectable drug, which is in Phase 2a clinical trial to the treatment of renal indications, such as focal segmental glomerulosclerosis, alport syndrome, and diabetic kidney diseases; and Inflammasome ASC Inhibitor IC 100, a humanized monoclonal antibody that is in preclinical stage for treatment of inflammatory diseases comprising acute respiratory syndrome, multiple sclerosis, IgA neuropathy, pancreatic cancer, Parkinson's and Huntington's disease, atherosclerosis, Alzheimer's disease, and obesity. ZyVersa Therapeutics, Inc. was founded in 2014 and is headquartered in Weston, Florida.