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Form 497K - Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(K):
SEC Accession No. 0001193125-15-161957
Filing Date
2015-04-30
Accepted
2015-04-30 16:17:53
Documents
6
Effectiveness Date
2015-04-30

Document Format Files

Seq Description Document Type Size
1 COLUMBIA ACORN TRUST d902272d497k.htm 497K 241807
2 GRAPHIC g607054acornblue.gif GRAPHIC 69503
3 GRAPHIC g607054bg_655.jpg GRAPHIC 10116
4 GRAPHIC g607054coltnlogospot.gif GRAPHIC 1571
5 GRAPHIC g607054cyanblocks.gif GRAPHIC 3954
6 GRAPHIC g607054imgdae207191.gif GRAPHIC 477
  Complete submission text file 0001193125-15-161957.txt   363071

Series and Classes/Contracts Information:

Existing
  Status Name Ticker Symbol
CIK 0000002110      
Series S000009189   Columbia Thermostat Fund
Class/Contract C000024974   Columbia Thermostat Fund Class A CTFAX
Class/Contract C000024975   Columbia Thermostat Fund Class B CTFBX
Class/Contract C000024976   Columbia Thermostat Fund Class C CTFDX
Class/Contract C000024977   Columbia Thermostat Fund Class Z COTZX
Class/Contract C000122749   Columbia Thermostat Fund Class R4 CTORX
Class/Contract C000122750   Columbia Thermostat Fund Class R5 CQTRX
Class/Contract C000122751   Columbia Thermostat Fund Class Y CYYYX
Mailing Address 227 W MONROE STE 3000 CHICAGO IL 60606
Business Address 227 W MONROE STE 3000 CHICAGO IL 60606 3126349200
COLUMBIA ACORN TRUST (Filer) CIK: 0000002110 (see all company filings)

IRS No.: 362692100 | State of Incorp.: MA | Fiscal Year End: 1231
Type: 497K | Act: 33 | File No.: 002-34223 | Film No.: 15818867