3 PRINC/PAL KOLLIN 02.15-03 02/18/03 PRINCIPAL FEDERAL HOME LOAN MTG CORP 31393FG86 .854,394 SERIES 2526 CUSS SI 5.680 DUE 02/15/32 PRINCPN. REDUCTN 02-1543 02/25/03 PRINCIPAL FANNE MAE Cm0/SERig 2002.82 31392F573 -381,733 S1640 FLTR 6.697 DUE 10/25/31 PRINCPAL REDUCTI1 02-25-03 oravo3 enioazoi &