• SEI Investments average operating margin for 2024 was 24.35%, a 17.92% increase from 2023.
• SEI Investments average operating margin for 2023 was 20.65%, a 25.42% increase from 2022.
• SEI Investments average operating margin for 2022 was 27.69%, a 1.63% decline from 2021.

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.