Supplement dated May 24, 2018
to the Prospectus and Summary Prospectus of the following
Fund:
Fund
|
Prospectus and
Summary Prospectus Dated |
Columbia
Acorn Trust |
|
Columbia
Thermostat Fund |
5/1/2018
|
Effective immediately,
the information regarding the Fund's portfolio manager in the Summary Prospectus and the Prospectus for the Fund is hereby superseded and replaced with the following:
Portfolio
Manager |
|
Title
|
|
Role
with Fund |
|
Service
with the Fund Since |
Anwiti
Bahuguna, Ph.D. |
|
Senior
Portfolio Manager of Columbia Management and Assistant Vice President of the Investment Manager |
|
Co-Portfolio
Manager since May 2018 |
|
May 2018
|
Joshua
Kutin, CFA |
|
Senior
Portfolio Manager and Head of North America Asset Allocation of Columbia Management and Assistant Vice President of the Investment Manager |
|
Co-Portfolio
Manager since May 2018 |
|
May
2018 |
Dr. Bahuguna joined Columbia Management, an affiliate of the Investment Manager, or one of its legacy firms or acquired business lines in 2002. Dr. Bahuguna has served as Assistant Vice President of the Investment Manager since May
2018. Dr. Bahuguna began her investment career in 1998 and earned a B.S. from St. Stephen’s College, Delhi University and a Ph.D. in economics from Northeastern University.
Mr. Kutin joined Columbia
Management, an affiliate of the Investment Manager in 2015 as a senior portfolio manager for the Global Investment Solutions Group. Mr. Kutin has served as Assistant Vice President of the Investment Manager since February 2018. Prior to joining
Columbia Management, Mr. Kutin was a portfolio manager on the global asset allocation team at Putnam Investments. Mr. Kutin began his investment career in 1998 and earned a B.S. from Massachusetts Institute of Technology and a M.S. in finance
from Princeton University.
Shareholders should
retain this Supplement for future reference.