<SEC-DOCUMENT>0001193125-21-299735-index.html : 20211015 <SEC-HEADER>0001193125-21-299735.hdr.sgml : 20211015 <ACCEPTANCE-DATETIME>20211015114729 ACCESSION NUMBER: 0001193125-21-299735 CONFORMED SUBMISSION TYPE: 40-17G PUBLIC DOCUMENT COUNT: 2 FILED AS OF DATE: 20211015 DATE AS OF CHANGE: 20211015 EFFECTIVENESS DATE: 20211015 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: 40-17G SEC ACT: 1940 Act SEC FILE NUMBER: 811-01829 FILM NUMBER: 211325414 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 </SEC-HEADER> <DOCUMENT> <TYPE>40-17G <SEQUENCE>1 <FILENAME>d231281d4017g.htm <DESCRIPTION>COLUMBIA ACORN TRUST <TEXT> Document 1 - file: d231281d4017g.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>2 <FILENAME>g231281dsn1n.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 2 - file: g231281dsn1n.jpg
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