The biotechnology company Amgen was founded in 1980 as AMGen. With approximately 20,000 employees, Amgen is one of the world's largest biotechnology companies with annual sales of approximately $ 24 billion in 2018.
According to Amgen's latest financial reports and stock price the company's current number of shares outstanding is 541,000,000. At the end of 2024 the company had 536,000,000 shares outstanding. The number of outstanding shares is usually impacted by stock plits and shares buy back.