Arcutis Biotherapeutics, Inc., a biopharmaceutical company, focuses on developing and commercializing treatments for dermatological diseases. Its lead product candidate is ARQ-151, a topical roflumilast cream that has completed Phase III clinical trials for the treatment of plaque psoriasis and atopic dermatitis. The company is also developing ARQ-154, a topical ZORYVE for the treatment of scalp and body psoriasis and seborrheic dermatitis; ARQ-252, a selective topical janus kinase type 1 inhibitor for hand eczema and vitiligo; ARQ-255, a topical JAK1 inhibitor for alopecia areata; and ARQ-234, a CD200R fusion protein for the treatment of moderate-to-severe atopic dermatitis. The company was formerly known as Arcutis, Inc. and changed its name to Arcutis Biotherapeutics, Inc. in October 2019. Arcutis Biotherapeutics, Inc. was incorporated in 2016 and is headquartered in Westlake Village, California.

Arcus Biosciences, Inc., a clinical-stage biopharmaceutical company, develops and commercializes cancer therapies in the United States. The company's pipeline products include Domvanalimab, an anti-TIGIT antibody, which is in Phase 2 and Phase 3 clinical trial; and AB308, an investigational anti-TIGIT monoclonal antibody, which is in Phase 1b clinical trial to study people with advanced solid and hematologic malignancies. It also develops Etrumadenant, a dual A2a/A2b adenosine receptor antagonist, which is in Phase 2 clinical trial; Quemliclustat, a small-molecule CD73 inhibitor, which is Phase 1b and Phase 2 clinical trial; Zimberelimab, an anti-PD-1 antibody, which is in Phase 2 clinical trial for metastatic cell lung cancer and monotherapy; and AB521, an oral and small-molecule inhibitor of HIF-2a, which is in Phase 1 clinical trial for the treatment of Von Hippel-Lindau disease. In addition, the company's preclinical pipeline products include AB598, a CD39 antibody; and AB801, a small molecule Axl inhibitor. It has a clinical collaboration with AstraZeneca to evaluate domvanalimab in combination with durvalumab in a registrational phase 3 clinical trial in patients with unresectable Stage 3 NSCLC; and BVF Partners L.P. to support the discovery and development of compounds for the treatment of inflammatory diseases. Arcus Biosciences, Inc. was incorporated in 2015 and is headquartered in Hayward, California.

Annexon, Inc., a clinical-stage biopharmaceutical company, discovers and develops medicines for treating inflammatory-related diseases. Its lead candidate is ANX005, an investigational full-length monoclonal antibody, which is in Phase 3 clinical trial for the treatment of patients with guillain-barré syndrome; completed Phase II clinical trial for treating Huntington's disease; and in Phase II clinical trial for the treatment of amyotrophic lateral sclerosis. The company is also developing ANX007, an antigen-binding fragment (Fab) that is in Phase 3 program for the treatment of patients with geographic atrophy; and ANX1502, a novel oral small molecule inhibitor, which is in Phase 1 clinical trials for autoimmune indications. In addition, it develops ANX009, a C1q-blocking Fab that is in Phase I clinical trial for treating patients with lupus nephritis. The company was incorporated in 2011 and is headquartered in Brisbane, 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.

Acumen Pharmaceuticals, Inc., a clinical-stage biopharmaceutical company, develops targeted therapies for the treatment of Alzheimer's disease. The company focuses on advancing a targeted immunotherapy drug candidate sabirnetug (ACU193), a recombinant humanized immunoglobulin gamma 2 that completed Phase I clinical trial to target soluble amyloid-beta oligomers. The company has a license agreement with Lonza Sales AG to manufacture and commercialize sabirnetug; and a collaboration and license agreement with Halozyme, Inc. for the development of a subcutaneous formulation of sabirnetug. Acumen Pharmaceuticals, Inc. was incorporated in 1996 and is headquartered in Charlottesville, Virginia.

Allakos Inc., a clinical stage biotechnology company, develops therapeutics that target immunomodulatory receptors present on immune effector cells in allergy, inflammatory, and proliferative diseases in the United States. The company's lead product candidate is AK006, which in a Phase I clinical trial for the treatment of chronic spontaneous urticaria (CSU) and other indications. The company was incorporated in 2012 and is headquartered in San Carlos, California.

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.

Alpine Immune Sciences, Inc. operates as a clinical-stage biopharmaceutical company. It focuses on the discovery and development of immunotherapies through protein engineering technologies for treating autoimmune and inflammatory diseases. The company's product pipeline includes Povetacicept, a dual B cell cytokine antagonist, which is in Phase 2 clinical trial for the treatment of multiple autoimmune and inflammatory diseases; and Acazicolcept, a dual inhibitor of the CD28 and ICOS T cell costimulatory pathways that is in preclinical trial for the treatment of systemic lupus erythematosus. It is also developing RUBY-3 that has completed Phase 1 clinical trial for the treatment of glomerulonephritis; and RUBY-4, which has completed Phase 1 clinical trial for the treatment of cytopenias. The company was incorporated in 2007 and is headquartered in Seattle, Washington.