0001193125-03-016583 8-K/A 2 20030703 4 7 20030703 SEI CORP 0000350894 6211 231707341 PA 1231 8-K/A 34 000-10200 03773927 1 FREEDOM VALLEY DRIVE OAKS PA 19456-1100 6106761000 1 FREEDOM VALLEY DRIVE OAKS PA 19456-1100 8-K/A 1 d8ka.htm SEI INVESTMENTS CAPITAL ACCUMULATION PLAN FORM 8-K/A EX-16.1 3 dex161.htm LETTER FROM KPMG LLP TO SEC DATED JULY 3, 2003