0001181431-04-059175 4 1 20041214 20041216 20041216 SEI INVESTMENTS CO 0000350894 6211 231707341 PA 1231 1 FREEDOM VALLEY DRIVE OAKS PA 19456-1100 6106761000 1 FREEDOM VALLEY DRIVE OAKS PA 19456-1100 SEI INVESTMENT CO 20040806 SEI CORP 19920703 SMITH THOMAS W 0000926688 4 34 000-10200 041207489 2036611200 323 RAILROAD AVENUE GREENWICH CT 06830 THOMAS W SMITH 19940713 4 1 rrd61684.xml FORM 4 REPORTING 12/14/04 OPTION GRANT