Form 485APOS - Post-effective amendment [Rule 485(a)]:
SEC Accession No. 0001193125-18-064116
Filing Date
2018-02-28
Accepted
2018-02-28 16:44:22
Documents
12

Document Format Files

Seq Description Document Type Size
1 COLUMBIA ACORN TRUST d508591d485apos.htm 485APOS 2435965
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12 GRAPHIC g607110logocolor_1.jpg GRAPHIC 8348
13 filename13.htm CORRESP 4198
  Complete submission text file 0001193125-18-064116.txt   2621342

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 C000024976   Columbia Thermostat Fund Class C CTFDX
Class/Contract C000024977   Columbia Thermostat Fund Institutional Class COTZX
Class/Contract C000122749   Columbia Thermostat Fund Advisor Class CTORX
Class/Contract C000122750   Columbia Thermostat Fund Institutional 2 Class CQTRX
Class/Contract C000122751   Columbia Thermostat Fund Institutional 3 Class 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)

EIN.: 362692100 | State of Incorp.: MA | Fiscal Year End: 1231
Type: 485APOS | Act: 33 | File No.: 002-34223 | Film No.: 18651882

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)

EIN.: 362692100 | State of Incorp.: MA | Fiscal Year End: 1231
Type: 485APOS | Act: 40 | File No.: 811-01829 | Film No.: 18651884