<SEC-DOCUMENT>0001193125-21-136122-index.html : 20210428 <SEC-HEADER>0001193125-21-136122.hdr.sgml : 20210428 <ACCEPTANCE-DATETIME>20210428113929 ACCESSION NUMBER: 0001193125-21-136122 CONFORMED SUBMISSION TYPE: 497K PUBLIC DOCUMENT COUNT: 7 FILED AS OF DATE: 20210428 DATE AS OF CHANGE: 20210428 EFFECTIVENESS DATE: 20210428 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: 497K SEC ACT: 1933 Act SEC FILE NUMBER: 002-34223 FILM NUMBER: 21862608 BUSINESS ADDRESS: STREET 1: 71 S. WACKER DRIVE, SUITE 2500 CITY: CHICAGO STATE: IL ZIP: 60606 BUSINESS PHONE: 3126349200 MAIL ADDRESS: STREET 1: 71 S. WACKER DRIVE, SUITE 2500 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>S000009188 <SERIES-NAME>Columbia Acorn International Select <CLASS-CONTRACT> <CLASS-CONTRACT-ID>C000024970 <CLASS-CONTRACT-NAME>Columbia Acorn International Select Class A <CLASS-CONTRACT-TICKER-SYMBOL>LAFAX </CLASS-CONTRACT> <CLASS-CONTRACT> <CLASS-CONTRACT-ID>C000024972 <CLASS-CONTRACT-NAME>Columbia Acorn International Select Class C <CLASS-CONTRACT-TICKER-SYMBOL>LFFCX </CLASS-CONTRACT> <CLASS-CONTRACT> <CLASS-CONTRACT-ID>C000024973 <CLASS-CONTRACT-NAME>Columbia Acorn International Select Institutional Class <CLASS-CONTRACT-TICKER-SYMBOL>ACFFX </CLASS-CONTRACT> <CLASS-CONTRACT> <CLASS-CONTRACT-ID>C000122746 <CLASS-CONTRACT-NAME>Columbia Acorn International Select Institutional 2 Class <CLASS-CONTRACT-TICKER-SYMBOL>CRIRX </CLASS-CONTRACT> <CLASS-CONTRACT> <CLASS-CONTRACT-ID>C000122747 <CLASS-CONTRACT-NAME>Columbia Acorn International Select Institutional 3 Class <CLASS-CONTRACT-TICKER-SYMBOL>CSIRX </CLASS-CONTRACT> <CLASS-CONTRACT> <CLASS-CONTRACT-ID>C000122748 <CLASS-CONTRACT-NAME>Columbia Acorn International Select Advisor Class <CLASS-CONTRACT-TICKER-SYMBOL>CILRX </CLASS-CONTRACT> </SERIES> </EXISTING-SERIES-AND-CLASSES-CONTRACTS> </SERIES-AND-CLASSES-CONTRACTS-DATA> </SEC-HEADER> <DOCUMENT> <TYPE>497K <SEQUENCE>1 <FILENAME>d138027d497k.htm <DESCRIPTION>COLUMBIA ACORN TRUST <TEXT> Document 1 - file: d138027d497k.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>2 <FILENAME>g607006acorn_cticyanc.gif <DESCRIPTION>GRAPHIC <TEXT> Document 2 - file: g607006acorn_cticyanc.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>3 <FILENAME>g607006acorns_sized.gif <DESCRIPTION>GRAPHIC <TEXT> Document 3 - file: g607006acorns_sized.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>4 <FILENAME>g607006bg_602.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 4 - file: g607006bg_602.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>5 <FILENAME>g607006coltnlogospot.gif <DESCRIPTION>GRAPHIC <TEXT> Document 5 - file: g607006coltnlogospot.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>6 <FILENAME>g607006cyanblocks.gif <DESCRIPTION>GRAPHIC <TEXT> Document 6 - file: g607006cyanblocks.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>7 <FILENAME>g607006img34a7bcb01.gif <DESCRIPTION>GRAPHIC <TEXT> Document 7 - file: g607006img34a7bcb01.gif
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