0001193125-15-392711.txt : 20151202 0001193125-15-392711.hdr.sgml : 20151202 20151202093200 ACCESSION NUMBER: 0001193125-15-392711 CONFORMED SUBMISSION TYPE: 497K PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20151202 DATE AS OF CHANGE: 20151202 EFFECTIVENESS DATE: 20151202 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: 151263684 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 S000009187 Columbia Acorn Select C000024966 Columbia Acorn Select Class A LTFAX C000024967 Columbia Acorn Select Class B LTFBX C000024968 Columbia Acorn Select Class C LTFCX C000024969 Columbia Acorn Select Class Z ACTWX C000094635 Columbia Acorn Select Class I CACIX C000122743 Columbia Acorn Select Class R4 CSSRX C000122744 Columbia Acorn Select Class R5 CSLRX C000122745 Columbia Acorn Select Class Y CSLYX 497K 1 d67569d497k.htm COLUMBIA ACORN TRUST Columbia Acorn Trust

Supplement dated December 2, 2015

to the Prospectus and Summary Prospectus dated May 1, 2015 for the following Fund:

 

COLUMBIA ACORN TRUST

Columbia Acorn SelectSM

Following the death of Robert A. Chalupnik, CFA, a former co-portfolio manager of Columbia Acorn Select, Columbia Wanger Asset Management, LLC (“CWAM”), the Fund’s investment manager, appointed David A. Frank, CFA, a portfolio manager and analyst at CWAM, as a co-portfolio manager of the Fund.

Accordingly, the Summary of the Fund – Fund Management and More Information About the Fund – Primary Service Providers – Portfolio Managers sections included in the Fund’s Prospectus and Summary Prospectus are hereby supplemented immediately by replacing all references to Mr. Chalupnik with references to Mr. Frank. As a member of CWAM’s domestic analyst team, Mr. Frank’s service with Columbia Acorn Select commenced in 2002. Mr. Frank has been associated with CWAM or its predecessors since 2002 and has been a Vice President of Columbia Acorn Trust since 2014. Mr. Frank began his investment career in 1998 and earned a B.A. from Yale University and an M.B.A. from the University of Chicago.

Shareholders should retain this Supplement for future reference.

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