Founded in 1980 in Thousand Oaks, California, Amgen Inc. is one of the world’s leading biotechnology companies and has played a central role in the development of modern biologic medicines. Headquartered in Thousand Oaks, the company discovers, develops, manufactures, and commercializes innovative therapies across oncology, inflammation, bone health, cardiovascular disease, nephrology, and rare diseases, supported by a broad global platform and a deep pipeline of biologic and next-generation therapeutic programs. Amgen employs more than 28,000 people in over 50 countries and reported full-year 2025 revenue of USD 36.751 billion.
Updated 2026-03-19