SEI Investments Company, formerly Simulated Environments Inc., is a financial services company headquartered in Oaks, Pennsylvania, United States.[1] SEI provides products and services to institutions, private banks, investment advisors, investment managers, and private clients.[2] Through its subsidiaries and partnerships in which the company has significant interests, SEI manages, advises or administers $1 trillion in hedge funds, private equity, mutual funds and pooled or separately managed assets. This includes $352 billion in assets under management and $683.3 billion in client assets under administration, as of 2019.[3]
SEI has corporate headquarters in Oaks, Pennsylvania with offices in Indianapolis, Toronto, London, Dublin, The Netherlands, Hong Kong, South Africa, India, Luxembourg and Dubai.[4]