EXHIBIT 21 SUBSIDIARIES OF THE REGISTRANT 76 SUBSIDIARIES OF THE REGISTRANT ------------------------------ JURISDICTION OF ORGANIZATION NAME OR INCORPORATION ---- ---------------- SEI Investments Distribution Company Pennsylvania SEI Investments Management Corporation Delaware SEI, Inc. Canada (Federal) SEI Capital Limited Canada (Federal) SEI Investments Developments, Inc. Delaware SEI Investments Mutual Funds Services Delaware SEI Investments Fund Management Delaware SEI Trust Company Pennsylvania SEI Funds, Inc. Delaware SEI Investments, Inc. Delaware SEI Global Investments Corporation Delaware SEI Capital AG Switzerland SEI Investments Canada Company Canada (Federal) SEI Advanced Capital Management, Inc. Delaware SEI Global Capital Investments, Inc. Delaware SEI Investments Global Management (Cayman) Inc. Cayman Islands, B.W.I. SEI Investments Global, Limited Ireland Fund Resources International Limited Ireland SEI Investments Argentina, S. A. Argentina SEI Global Holdings Inc. Cayman Islands, B.W.I. Latinvest Sociedad de Bolsa, S. A. Argentina Quadrum, S. A. Argentina SEI Investments South Africa Limited South Africa SEI Primus Holdings Canada SEI Investments Trustee & Custodial Services (Ireland) Limited Ireland SEI Private Trust Pennsylvania 77 SEI Venture Inc Delaware SEI Investments de Mexico Mexico SEI Asset Korea South Korea SEI Investments Europe Limited United Kingdom 78