0001145549-21-048608.txt : 20210825 0001145549-21-048608.hdr.sgml : 20210825 20210825080318 ACCESSION NUMBER: 0001145549-21-048608 CONFORMED SUBMISSION TYPE: NPORT-P PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210630 FILED AS OF DATE: 20210825 PERIOD START: 20211231 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: NPORT-P SEC ACT: 1940 Act SEC FILE NUMBER: 811-01829 FILM NUMBER: 211203620 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. 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