<SEC-DOCUMENT>0001193125-17-103946-index.html : 20170330 <SEC-HEADER>0001193125-17-103946.hdr.sgml : 20170330 <ACCEPTANCE-DATETIME>20170330153214 ACCESSION NUMBER: 0001193125-17-103946 CONFORMED SUBMISSION TYPE: 497 PUBLIC DOCUMENT COUNT: 15 FILED AS OF DATE: 20170330 DATE AS OF CHANGE: 20170330 EFFECTIVENESS DATE: 20170330 FILER: COMPANY DATA: COMPANY CONFORMED NAME: COLUMBIA ACORN TRUST CENTRAL INDEX KEY: 0000002110 IRS NUMBER: 362692100 STATE OF INCORPORATION: MA FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 497 SEC ACT: 1933 Act SEC FILE NUMBER: 002-34223 FILM NUMBER: 17725477 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 STE 3000 CITY: CHICAGO STATE: IL ZIP: 60606 FORMER COMPANY: FORMER CONFORMED NAME: LIBERTY ACORN TRUST DATE OF NAME CHANGE: 20010424 FORMER COMPANY: FORMER CONFORMED NAME: ACORN INVESTMENT TRUST DATE OF NAME CHANGE: 19940204 FORMER COMPANY: FORMER CONFORMED 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</CLASS-CONTRACT> </SERIES> </EXISTING-SERIES-AND-CLASSES-CONTRACTS> </SERIES-AND-CLASSES-CONTRACTS-DATA> </SEC-HEADER> <DOCUMENT> <TYPE>497 <SEQUENCE>1 <FILENAME>d357006d497.htm <DESCRIPTION>COLUMBIA ACORN TRUST <TEXT> Document 1 - file: d357006d497.htm
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