<SEC-DOCUMENT>0001193125-15-407317-index.html : 20151218 <SEC-HEADER>0001193125-15-407317.hdr.sgml : 20151218 <ACCEPTANCE-DATETIME>20151218121302 ACCESSION NUMBER: 0001193125-15-407317 CONFORMED SUBMISSION TYPE: 497 PUBLIC DOCUMENT COUNT: 5 FILED AS OF DATE: 20151218 DATE AS OF CHANGE: 20151218 EFFECTIVENESS DATE: 20151218 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: 151296016 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 NAME: ACORN FUND INC DATE OF NAME CHANGE: 19920703 <SERIES-AND-CLASSES-CONTRACTS-DATA> <EXISTING-SERIES-AND-CLASSES-CONTRACTS> <SERIES> <OWNER-CIK>0000002110 <SERIES-ID>S000033622 <SERIES-NAME>Columbia Acorn Emerging Markets Fund <CLASS-CONTRACT> <CLASS-CONTRACT-ID>C000103328 <CLASS-CONTRACT-NAME>Columbia Acorn Emerging Markets Fund Class A <CLASS-CONTRACT-TICKER-SYMBOL>CAGAX </CLASS-CONTRACT> <CLASS-CONTRACT> <CLASS-CONTRACT-ID>C000103329 <CLASS-CONTRACT-NAME>Columbia Acorn Emerging Markets Fund Class C <CLASS-CONTRACT-TICKER-SYMBOL>CGMCX </CLASS-CONTRACT> <CLASS-CONTRACT> <CLASS-CONTRACT-ID>C000103330 <CLASS-CONTRACT-NAME>Columbia Acorn Emerging Markets Fund Class I <CLASS-CONTRACT-TICKER-SYMBOL>CATIX </CLASS-CONTRACT> <CLASS-CONTRACT> <CLASS-CONTRACT-ID>C000103331 <CLASS-CONTRACT-NAME>Columbia Acorn Emerging Markets Fund Class Z <CLASS-CONTRACT-TICKER-SYMBOL>CEFZX </CLASS-CONTRACT> <CLASS-CONTRACT> <CLASS-CONTRACT-ID>C000122753 <CLASS-CONTRACT-NAME>Columbia Acorn Emerging Markets Fund Class R4 <CLASS-CONTRACT-TICKER-SYMBOL>CAERX </CLASS-CONTRACT> <CLASS-CONTRACT> <CLASS-CONTRACT-ID>C000122754 <CLASS-CONTRACT-NAME>Columbia Acorn Emerging Markets Fund Class R5 <CLASS-CONTRACT-TICKER-SYMBOL>CANRX </CLASS-CONTRACT> <CLASS-CONTRACT> <CLASS-CONTRACT-ID>C000128887 <CLASS-CONTRACT-NAME>Columbia Acorn Emerging Markets Fund Class Y <CLASS-CONTRACT-TICKER-SYMBOL>CPHRX </CLASS-CONTRACT> </SERIES> </EXISTING-SERIES-AND-CLASSES-CONTRACTS> </SERIES-AND-CLASSES-CONTRACTS-DATA> </SEC-HEADER> <DOCUMENT> <TYPE>497 <SEQUENCE>1 <FILENAME>d53347d497.htm <DESCRIPTION>COLUMBIA ACORN TRUST <TEXT> Document 1 - file: d53347d497.htm
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</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>5 <FILENAME>g53347img2.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 5 - file: g53347img2.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>6 <FILENAME>g53347img3.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 6 - file: g53347img3.jpg
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