Skip to main navigation menu Investors Corporate Profile Horizon is a biotechnology company focused on the discovery, development and commercialization of medicines that address critical needs for people impacted by rare, autoimmune and severe inflammatory diseases. Our pipeline is purposeful: we apply scientific expertise and courage to bring clinically meaningful therapies to patients. We believe science and compassion must work together to transform lives. Horizon's global headquarters is in Dublin, Ireland and its U.S. headquarters is in Deerfield, Ill. The Company also has offices in Chicago, Ill.; South San Francisco, Calif.; Washington, D.C.; Gaithersburg, Md.; Rockville, Md.; Mannheim, Germany and a growing presence in Japan. Upcoming Events Nov 30, 2021 9:00 AM EST Piper Sandler 33rd Annual Health Care Conference (Virtual) Listen to Webcast Add to Outlook Add to Google Calendar Stock Quote Volume: Data as of 11/24/21 11:50 pm EST Copyright West LLC. Minimum 15 minutes delayed. Refresh Quote Shareholder FAQ on the Viela Acquisition Press Releases Date Title 11/22/21 New Analysis Published in Multiple Sclerosis and Related Disorders Supports the Efficacy of UPLIZNA® (inebilizumab-cdon) in Patients Previously Treated with Rituximab for Neuromyelitis Optica Spectrum Disorder (NMOSD) 11/15/21 Horizon Therapeutics Recognizes Second Annual Thyroid Eye Disease (TED) Awareness Week with New Educational and Community Building Initiative 11/12/21 New Real-World Data Show High Rate of Patient Adherence to TEPEZZA® (teprotumumab-trbw) for Thyroid Eye Disease (TED) Investor Presentation ESG Overview 2021 R&D Day Presentation Investor Relations Investors Press Releases Events & Presentations Corporate Governance Financial & Filings Stock Information Annual Reports / Proxy Statements Investor FAQs Contact Us Email Alerts Investor Contacts Tina Ventura Senior Vice President, Investor Relations Investor-relations@horizontherapeutics.com Ruth Venning Executive Director, Investor Relations Investor-relations@horizontherapeutics.com U.S. Media Contact Geoff Curtis Executive Vice President, Corporate Affairs & Chief Communications Officer media@horizontherapeutics.com +1 888 506-2562 Ireland Media Contact Ray Gordon Gordon MRM ray@gordonmrm.ie +353 (87) 2417373 Shareholder Tools Shareholder Tools Email Alerts Subscription RSS News Feeds Snapshot Print Our Company Our Science Our Medicines Our Patients Careers Investors Follow Us © 2021 Horizon Therapeutics plc Global Privacy Policy Legal Notice Cookie Policy Contact Us The information regarding our medicines and the patients they treat on this site is intended only for residents of the U.S. About Cookies On This Site We use cookies to personalize and enhance your experience on our site. Visit our Privacy Policy to learn more or manage your personal preferences in our Cookie Consent Tool. By using our site, you agree to our use of cookies. Accept Options