0000350894-03-000040 4 1 20031216 20031217 ROBINS KEVIN P 0001191726 4 34 000-10200 031059340 SEI INVESTMENT INC ONE FREEDOM VALLEY OAKS PA 19456 SEI CORP 0000350894 6211 231707341 PA 1231 1 FREEDOM VALLEY DRIVE OAKS PA 19456-1100 6106761000 1 FREEDOM VALLEY DRIVE OAKS PA 19456-1100 4 1 edgar.xml PRIMARY DOCUMENT