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0001683863-20-005270.txt : 20200424 0001683863-20-005270.hdr.sgml : 20200424 20200424131838 ACCESSION NUMBER: 0001683863-20-005270 CONFORMED SUBMISSION TYPE: 497J PUBLIC DOCUMENT COUNT: 2 FILED AS OF DATE: 20200424 DATE AS OF CHANGE: 20200424 EFFECTIVENESS DATE: 20200424 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: 497J SEC ACT: 1933 Act SEC FILE NUMBER: 333-236972 FILM NUMBER: 20814159 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

0000002110 S000009184 Columbia Acorn Fund

C000024954 Columbia Acorn Fund Class A LACAX

C000024956 Columbia Acorn Fund Class C LIACX

C000024957 Columbia Acorn Fund Institutional Class ACRNX

C000122735 Columbia Acorn Fund Advisor Class CEARX

C000122736 Columbia Acorn Fund Institutional 2 Class CRBRX

C000122737 Columbia Acorn Fund Institutional 3 Class CRBYX

0000002110 S000009185 Columbia Acorn International

C000024958 Columbia Acorn International Class A LAIAX

C000024960 Columbia Acorn International Class C LAICX

C000024961 Columbia Acorn International Institutional Class ACINX

C000097733 Columbia Acorn International Institutional 2 Class CAIRX

C000122738 Columbia Acorn International Advisor Class CCIRX

C000122739 Columbia Acorn International Institutional 3 Class CCYIX

497J 1 f4623d1.htm COLUMBIA ACORN TRUST PDFtoHTML Conversion Output

COLUMBIA ACORN TRUST

71 S. WACKER DRIVE, SUITE 2500

CHICAGO, ILLINOIS 60606

April 24, 2020

VIA EDGAR TRANSMISSION

U.S. Securities and Exchange Commission

100 F Street, N.E.

Washington, D.C. 20549

RE: Columbia Acorn Trust

Registration Statement on Form N-14 (File No. 333-236972)

Ladies and Gentlemen:

In accordance with paragraph (j) of Rule 497 under the Securities Act of 1933 (the "Securities Act"), Columbia Acorn Trust (the "Trust") certifies that (i) the form of prospectus and statement of additional information that would have been filed under paragraph (b) of Rule 497 under the Securities Act would not have differed from that contained in the Form N-14 registration statement for the Trust (Post-Effective Amendment No. 1) (the "Registration Statement"), and (ii) the Registration Statement was filed electronically with the Securities and Exchange Commission on April 20, 2020 via EDGAR (Accession Number 0001193125-20-110877).

Very truly yours,

COLUMBIA ACORN TRUST

By: /s/ Matthew A. Litfin Matthew A. Litfin, Co-President

By: /s/ Louis J. Mendes

Louis J. Mendes, Co-President

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