0001193125-04-133754 10-Q 5 20040630 20040806 SEI INVESTMENTS CO 0000350894 6211 231707341 PA 1231 10-Q 34 000-10200 04956487 1 FREEDOM VALLEY DRIVE OAKS PA 19456-1100 6106761000 1 FREEDOM VALLEY DRIVE OAKS PA 19456-1100 SEI INVESTMENT CO 20040806 SEI CORP 19920703 10-Q 1 d10q.htm SEI INVESTMENTS COMPANY--FORM 10-Q EX-3.2 2 dex32.htm AMENDED AND RESTATED BYLAWS OF THE COMPANY EX-31.1 3 dex311.htm SECTION 302 CEO CERTIFICATION EX-31.2 4 dex312.htm SECTION 302 CFO CERTIFICATION EX-32 5 dex321.htm SECTION 906 CEO AND CFO CERTIFICATION