EXHIBIT 21

SUBSIDIARIES OF THE REGISTRANT
NAME						JURISDICTION OF ORGANIZATION OR INCORPORATION
SEI Investments Distribution Co.						Pennsylvania
SEI Investments Management Corporation						Delaware
SEI Investments Developments, Inc.						Delaware
SEI Investments Global Funds Services						Delaware
SEI Investments Management Corporation Delaware, LLC						Delaware
SEI Custodial Operations Company, LLC						Delaware
SEI Trust Company						Pennsylvania
SEI Funds, Inc.						Delaware
SEI Investments, Inc.						Delaware
SEI Global Investments Corporation						Delaware
SEI Investments Canada Company						Canada (Federal)
SEI Advanced Capital Management, Inc.						Delaware
SEI Global Capital Investments, Inc.						Delaware
SEI Investments Global (Cayman), Ltd.						Cayman Islands, B. W. I.
SEI Investments Global, Limited						Ireland
SEI Investments Global Fund Services, Ltd.						Ireland
SEI Global Holdings (Cayman) Inc.						Cayman Islands, B. W. I.
SEI Investments (South Africa) Limited						South Africa
SEI Primus Holding Corporation						Delaware
SEI Investments Depositary & Custodial Services (Ireland) Limited						Ireland
SEI Private Trust Company						Pennsylvania
SEI Ventures, Inc.						Delaware
SEI Investments (Europe) Limited						United Kingdom
SEI SIMC Holdings, LLC						Delaware
SIMC Subsidiary, LLC						Delaware
SEI Global Nominee Ltd.						United Kingdom
SEI Insurance Group, Inc.						Pennsylvania
SEI Global Services, Inc.						Delaware
SEI Investments (Asia), Limited						Hong Kong
SEI European Services Limited						United Kingdom
SEI Trustees Limited						United Kingdom
SEI Investment Strategies, LLC						Delaware
LSV Asset Management						Delaware
SEI Institutional Transfer Agent, Inc.						Delaware
SEI Investments - Guernsey Limited						Guernsey
SEI Nominees (Guernsey) Limited						Guernsey
Keystone Capital Holdings, LLC						Indiana
Archway Technology Partners, LLC						Indiana
Archway Finance & Operations, Inc.						Indiana
SEI Technology Services India Private Limited						India
SEI Investments - Luxembourg Holding S.A.						Luxembourg
SEI Investments - Luxembourg S.A.						Luxembourg

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SUBSIDIARIES OF THE REGISTRANT (Continued)
NAME						JURISDICTION OF ORGANIZATION OR INCORPORATION
SEI - Radar Holding Company, LLC						Delaware
SEI Acquisition Sub, LLC						Delaware
SEI Novus, LLC						Delaware
SEI Novus UK						United Kingdom
SEI Novus Switzerland						Switzerland
Atlas Master Trust Trustee Limited						United Kingdom