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Yarrow Bioscience Inc is a clinical-stage biopharmaceutical company focused on developing biotherapeutics for autoimmune thyroid diseases. Its flagship product candidate, YB-101 (also known as GenSci098), is a humanized, monoclonal antibody targeting the thyroid-stimulating hormone receptor, which Yarrow plans to develop for the treatment of Graves' disease (GD) and potentially thyroid eye disease (TED). The company has one reportable segment relating to the research and development of its research programs, GD and TED.

AbbVie is a pharmaceutical firm with a strong exposure to immunology (with Humira, Skyrizi, and Rinvoq) and oncology (with Imbruvica and Venclexta). The company was spun off from Abbott in early 2013. The 2020 acquisition of Allergan added several new products and drugs in aesthetics, including Botox. The 2024 acquisitions of Cerevel (neuroscience) and ImmunoGen (oncology) help supplement AbbVie's portfolio, while the 2026 acquisition of Apogee adds to AbbVie's immunology depth.