Supplement dated July 23, 2020
to the Prospectus, Summary Prospectus and Statement of
Additional Information (SAI), each as supplemented as
applicable, of
the following fund:
| Fund
|
Prospectus,
Summary Prospectus and SAI Dated |
| Columbia
Acorn Trust |
|
| Columbia
Acorn International® |
5/1/2020
|
Louis J. Mendes has announced that
on August 28, 2020, he will retire from Columbia Wanger Asset Management, LLC, the Fund's investment manager, step down as portfolio manager to the Fund and resign as Co-President of Columbia Acorn Trust. Mr. Mendes will continue in his current
roles through August 28, 2020, including serving as a portfolio manager to the Fund along with Tae Han (Simon) Kim and Hans Stege, as described below. Effective August 31, 2020, all information for Mr. Mendes is hereby removed from the Fund's
Prospectus, Summary Prospectus and SAI.
Effective
immediately, 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 removed and replaced with the
following:
| Portfolio
Manager |
|
Title
|
|
Role
with Fund |
|
Service
with the Fund |
| Tae
Han (Simon) Kim, CFA |
|
Portfolio
Manager and Analyst |
|
Co-Portfolio
Manager
since 2017 |
|
Since 2011
|
| Hans
F. Stege |
|
Portfolio
Manager and Analyst |
|
Co-Portfolio
Manager
since July 2020 |
|
Since 2017
|
| Louis
J. Mendes, CFA |
|
Director
of International Research and Portfolio Manager |
|
Co-Portfolio
Manager
since 2003 |
|
From
2001 through August 28, 2020 |
The
rest of the section remains the same.
Effective
immediately, 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 removed and replaced
with the following:
Portfolio Managers
Information about the portfolio managers primarily responsible
for overseeing the Fund’s investments is shown below. The SAI provides additional information about the portfolio managers, including information relating to compensation, other accounts managed by the portfolio managers, and ownership by the
portfolio managers of Fund shares.
| Portfolio
Manager |
|
Title
|
|
Role
with Fund |
|
Service
with the Fund |
| Tae
Han (Simon) Kim, CFA |
|
Portfolio
Manager and Analyst |
|
Co-Portfolio
Manager
since 2017 |
|
Since 2011
|
| Hans
F. Stege |
|
Portfolio
Manager and Analyst |
|
Co-Portfolio
Manager
since July 2020 |
|
Since 2017
|
| Louis
J. Mendes, CFA |
|
Director
of International Research and Portfolio Manager |
|
Co-Portfolio
Manager
since 2003 |
|
From
2001 through August 28, 2020 |
Mr. Kim has been associated with the Investment Manager as an investment professional since 2011, and has served as a Vice President of the Trust since March 2018. Mr. Kim began his investment career in 2007 and earned a B.A.
from Boston College and an M.B.A from the University of Oxford.
Mr. Stege has been associated
with the Investment Manager or its predecessors as an investment professional since 2017 and has been a Vice President of the Trust since March 2020. Prior to joining the Investment Manager, Mr. Stege was a partner and research analyst at another
investment firm, and also worked as a senior analyst for an energy consulting firm. Mr. Stege began his investment career in 2014, and earned a B.A. from Dartmouth College and an M.B.A. from the University of Chicago Booth School of
Business.
Mr. Mendes has been associated with the Investment Manager or its predecessors as an investment professional since 2001, was a Vice President of the Trust from 2003 to March 2019, and has been a Co-President of the Trust since
March 2019. Mr. Mendes began his investment career in 1986 and earned a B.A. from Columbia University and an M.I.M. from the American Graduate School of International Management.
The rest of the section remains the same.
Shareholders should retain this Supplement for future
reference.