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Filing Detail
Form 497 - Definitive materials:
SEC Accession No. 0001193125-11-065084
Filing Date
2011-03-14
Accepted
2011-03-14 11:24:33
Documents
1
Effectiveness Date
2011-03-14

Document Format Files

Seq Description Document Type Size
1 COLUMBIA ACORN TRUST d497.htm 497 9257
  Complete submission text file 0001193125-11-065084.txt   11305

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
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: 497 | Act: 33 | File No.: 002-34223 | Film No.: 11684301