Last year, SEI Investments Co generated 858.91M USD for its biggest-performing segment, Investment Operations Fees. The United States made the largest contribution, accounting for 1.96B USD last year. For the latest quarter, SEI Investments Co reported the revenue of 250.49M USD for the period ending 2026-06-30, which came from the top-performing segment, Investment Operations Fees. United States contributed the highest revenue, at 545.49M USD.