• Alnylam Pharmaceuticals average operating margin for 2023 was -42.98%, a 45.45% decline from 2022.
• Alnylam Pharmaceuticals average operating margin for 2022 was -78.79%, a 26.3% decline from 2021.
• Alnylam Pharmaceuticals average operating margin for 2021 was -106.91%, a 57.39% decline from 2020.

Operating margin can be defined as operating margin measurement of what proportion of a company's revenue is left over after paying for variable costs of production such as wages, raw materials, etc.