• Amgen average return on investment for 2024 was 5.81, a 57.4% increase from 2023.
• Amgen average return on investment for 2023 was 13.64, a 17.13% decline from 2022.
• Amgen average return on investment for 2022 was 16.46, a 11.29% decline from 2021.

Roi - return on investment can be defined as an indicator of how profitable a company is relative to its assets invested by shareholders and long-term bond holders. Calculated by dividing a company's operating earnings by its long-term debt and shareholders equity.