X0101 EFFECT 33 LIVE 2006-11-29 0000893220-06-002451 485APOS 0000927413 WT MUTUAL FUND 033-84762 S000007057 WILMINGTON FUNDAMENTALLY WEIGHTED LARGE COMPANY FUND C000019246 CLASS A S000007057 WILMINGTON FUNDAMENTALLY WEIGHTED LARGE COMPANY FUND C000019247 INSTITUTIONAL CLASS S000015586 Wilmington Fundamentally Weighted Small Company Fund C000042505 Institutional Shares S000015586 Wilmington Fundamentally Weighted Small Company Fund C000042506 A Shares