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ACORN FUND
ACORN INTERNATIONAL
ACORN USA
ACORN TWENTY
ACORN FOREIGN FORTY
Supplement dated January 4, 2000
to Prospectus dated May 1, 1999 of Acorn Investment Trust
As of December 31, 1999, Mr. Roger Edgley is the Co-portfolio manager, with
Marcel Houtzager, of Acorn Foreign Forty. Mr. Edgley joined Wanger Asset
Management ("WAM") as an analyst in 1994, and was named Managing Director and
Director of Research of WAM in 1998. Before joining WAM, Mr. Edgley was an
analyst at Crosby Securities. He is a CFA, and earned his BSc from the
University of Hertfordshire, his MA from the University of Sussex, and his MSc
from the London School of Economics.
