As of June 2026 SEI Investments has a market cap of โน1.010 Trillion. This makes SEI Investments the world's 1935th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.
On Jun 7th, 2026 the market cap of SEI Investments was reported to be: