0001193125-21-053852.txt : 20210224 0001193125-21-053852.hdr.sgml : 20210224 20210224110158 ACCESSION NUMBER: 0001193125-21-053852 CONFORMED SUBMISSION TYPE: 497 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20210224 DATE AS OF CHANGE: 20210224 EFFECTIVENESS DATE: 20210224 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: 497 SEC ACT: 1933 Act SEC FILE NUMBER: 002-34223 FILM NUMBER: 21669855 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 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 S000009186 Columbia Acorn USA C000024962 Columbia Acorn USA Class A LAUAX C000024964 Columbia Acorn USA Class C LAUCX C000024965 Columbia Acorn USA Institutional Class AUSAX C000122740 Columbia Acorn USA Advisor Class CUSAX C000122741 Columbia Acorn USA Institutional 2 Class CYSRX C000122742 Columbia Acorn USA Institutional 3 Class CUSYX 497 1 d138579d497.htm COLUMBIA ACORN TRUST Columbia Acorn Trust
Supplement dated February 24, 2021
to the Prospectus and Summary Prospectus, as supplemented, of the following fund (the Fund):
Fund Prospectus and Summary Prospectus Dated
Columbia Acorn Trust  
 Columbia Acorn Fund May 1, 2020
Effective March 1, 2021 (the Effective Date), the portfolio manager information under the caption “Fund Management” in the Summary Prospectus and in the "Summary of the Fund" section of the Prospectus is hereby superseded and replaced with the following:
    
Portfolio Manager   Title   Role with Fund   Managed Fund Since
Matthew A. Litfin, CFA   Director of Research (U.S.) and Portfolio Manager   Lead Portfolio Manager or
Co-Portfolio Manager since 2016 		  2015
Erika K. Maschmeyer, CFA   Portfolio Manager and Analyst   Co-Portfolio Manager since 2019   2016
The rest of the section remains the same.
On the Effective Date, the information about the portfolio managers under the caption “Primary Service Providers - Portfolio Managers” in the “More Information About the Fund" section of the Prospectus is hereby superseded and replaced with the following:
    
Portfolio Manager   Title   Role with Fund   Managed Fund Since
Matthew A. Litfin, CFA   Director of Research (U.S.) and Portfolio Manager   Lead Portfolio Manager or
Co-Portfolio Manager since 2016 		  2015
Erika K. Maschmeyer, CFA   Portfolio Manager and Analyst   Co-Portfolio Manager since 2019   2016
Mr. Litfin has been associated with the Investment Manager since 2015, was a Vice President of the Trust from March 2016 to March 2019, and has been a Co-President of the Trust since March 2019. Prior to joining the Investment Manager, Mr. Litfin served as a portfolio manager and analyst for funds that invested in small- and mid-cap companies. Mr. Litfin began his investment career in 1993 and earned a B.S. from the University of Tennessee and an M.B.A. from Harvard University.
Ms. Maschmeyer has been associated with the Investment Manager as an investment professional since 2016, and has been a Vice President of the Trust since March 2020. Prior to joining the Investment Manager, Ms. Maschmeyer was a research analyst at an investment advisory firm where she was responsible for U.S. consumer discretionary/staples investments. Ms. Maschmeyer began her investment career in 2001 and earned a B.A. from Denison University and an M.B.A from the University of Chicago.
The rest of the section remains the same.
Shareholders should retain this Supplement for future reference.
SUP110_12_008_(02/21)

Supplement dated February 24, 2021
to the Prospectus and Summary Prospectus, as supplemented, of the following fund (the Fund):
Fund Prospectus and Summary Prospectus Dated
Columbia Acorn Trust  
 Columbia Acorn USA May 1, 2020
Effective March 1, 2021 (the Effective Date), the portfolio manager information under the caption “Fund Management” in the Summary Prospectus and in the "Summary of the Fund" section of the Prospectus is hereby superseded and replaced with the following:
    
Portfolio Manager   Title   Role with Fund   Managed Fund Since
Matthew A. Litfin, CFA   Director of Research (U.S.) and Portfolio Manager   Lead Portfolio Manager since 2016   2015
The rest of the section remains the same.
On the Effective Date, the portfolio manager information under the caption “Primary Service Providers - Portfolio Managers” in the “More Information About the Fund" section of the Prospectus is hereby superseded and replaced with the following:
    
Portfolio Manager   Title   Role with Fund   Managed Fund Since
Matthew A. Litfin, CFA   Director of Research (U.S.) and Portfolio Manager   Lead Portfolio Manager since 2016   2015
Mr. Litfin has been associated with the Investment Manager since 2015, was a Vice President of the Trust from March 2016 to March 2019, and has been a Co-President of the Trust since March 2019. Prior to joining the Investment Manager, Mr. Litfin served as a portfolio manager and analyst for funds that invested in small- and mid-cap companies. Mr. Litfin began his investment career in 1993 and earned a B.S. from the University of Tennessee and an M.B.A. from Harvard University.
The rest of the section remains the same.
Shareholders should retain this Supplement for future reference.
SUP115_12_006_(02/21)