EDGAR Filing Documents for 0001683863-20-004295

Form 497 - Definitive materials:

SEC Accession No. 0001683863-20-004295

Filing Date

2020-04-21

Accepted

2020-04-21 12:38:04

Documents

Effectiveness Date

2020-04-21

Document Format Files

Seq	Description	Document	Type	Size
1	COLUMBIA ACORN TRUST	f3937d1.htm	497	1013
	Complete submission text file	0001683863-20-004295.txt		554980

Data Files

Seq	Description	Document	Type	Size
2	XBRL INSTANCE DOCUMENT	cat-20200408.xml	EX-101.INS	65382
3	XBRL TAXONOMY EXTENSION SCHEMA	cat-20200408.xsd	EX-101.SCH	4012
4	XBRL TAXONOMY EXTENSION DEFINITION LINKBASE	cat-20200408_def.xml	EX-101.DEF	91500
5	XBRL TAXONOMY EXTENSION LABEL LINKBASE	cat-20200408_lab.xml	EX-101.LAB	127936
6	XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE	cat-20200408_pre.xml	EX-101.PRE	78922

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)