-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 VHCUDYhgl9UcdD1dlduCPERKwrS6t5L1ocyNy2Xb6f1KTASI6y6RKE7/K8fNft5M
 8HVrPYvV7wl2oT21QDBY8Q==

<SEC-DOCUMENT>0000950131-00-002302.txt : 20000403
<SEC-HEADER>0000950131-00-002302.hdr.sgml : 20000403
ACCESSION NUMBER:		0000950131-00-002302
CONFORMED SUBMISSION TYPE:	497
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20000331

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ACORN INVESTMENT TRUST
		CENTRAL INDEX KEY:			0000002110
		STANDARD INDUSTRIAL CLASSIFICATION:	 []
		IRS NUMBER:				362692100
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		497
		SEC ACT:		
		SEC FILE NUMBER:	002-34223
		FILM NUMBER:		589723

	BUSINESS ADDRESS:	
		STREET 1:		227 W MONROE STE 3000
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606
		BUSINESS PHONE:		3126349200

	MAIL ADDRESS:	
		STREET 1:		227 W MONROE ST STE 3000
		STREET 2:		ATTN:  BRUCE LAUER
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ACORN FUND INC
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>497
<SEQUENCE>1
<DESCRIPTION>497(E) FILING - ACORN SUPPLEMENT DATED 4/1/00
<TEXT>

<PAGE>

                                 ACORN TWENTY

                         SUPPLEMENT DATED APRIL 1, 2000
           TO PROSPECTUS DATED MAY 1, 1999 OF ACORN INVESTMENT TRUST

     Effective April 1, 2000, John H. Park, previously the co-portfolio manager
of Acorn Twenty, is that Fund's sole portfolio manager.


</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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