EDGAR Filing Documents for 0001193125-18-264654

Form N-CSRS - Certified Shareholder Report, Semi-Annual:

SEC Accession No. 0001193125-18-264654

Filing Date

2018-08-31

Accepted

2018-08-31 12:01:14

Documents

Period of Report

2018-06-30

Effectiveness Date

2018-08-31

Document Format Files

Seq	Description	Document	Type	Size
1	COLUMBIA ACORN TRUST	d598231dncsrs.htm	N-CSRS	6156772
2	SECTION 302 CERTIFICATION	d598231dex99cert.htm	EX-99.CERT	19901
3	SECTION 906 CERTIFICATION	d598231dex99906cert.htm	EX-99.906CERT	5282
4	GRAPHIC	g598231img0e7edfab3.jpg	GRAPHIC	15815
5	GRAPHIC	g598231img1179968c5.jpg	GRAPHIC	5310
6	GRAPHIC	g598231img248881d316.jpg	GRAPHIC	4985
7	GRAPHIC	g598231img3c6c06db11.jpg	GRAPHIC	5373
8	GRAPHIC	g598231img5236f28c14.jpg	GRAPHIC	4958
9	GRAPHIC	g598231img7d0fb75212.jpg	GRAPHIC	5233
10	GRAPHIC	g598231img951dfaa67.jpg	GRAPHIC	4985
11	GRAPHIC	g598231imga78013c64.jpg	GRAPHIC	6972
12	GRAPHIC	g598231imgaf3eefa79.jpg	GRAPHIC	5276
13	GRAPHIC	g598231imgb73756326.jpg	GRAPHIC	5176
14	GRAPHIC	g598231imgbe13a3542.jpg	GRAPHIC	8765
15	GRAPHIC	g598231imgea2a554910.jpg	GRAPHIC	6970
16	GRAPHIC	g598231imgecc6915b8.jpg	GRAPHIC	6880
17	GRAPHIC	g598231imgf0ed49fd13.jpg	GRAPHIC	5835
18	GRAPHIC	g598231imgf1e534d515.jpg	GRAPHIC	5406
19	GRAPHIC	g598231imgf74df6391.jpg	GRAPHIC	7901
	Complete submission text file	0001193125-18-264654.txt		6339251

Series and Classes/Contracts Information:

Existing
	Status	Name	Ticker Symbol
CIK 0000002110
Series S000009184		Columbia Acorn Fund
Class/Contract C000024954		Columbia Acorn Fund Class A	LACAX
Class/Contract C000024956		Columbia Acorn Fund Class C	LIACX
Class/Contract C000024957		Columbia Acorn Fund Institutional Class	ACRNX
Class/Contract C000122735		Columbia Acorn Fund Advisor Class	CEARX
Class/Contract C000122736		Columbia Acorn Fund Institutional 2 Class	CRBRX
Class/Contract C000122737		Columbia Acorn Fund Institutional 3 Class	CRBYX
	Status	Name	Ticker Symbol
CIK 0000002110
Series S000009185		Columbia Acorn International
Class/Contract C000024958		Columbia Acorn International Class A	LAIAX
Class/Contract C000024960		Columbia Acorn International Class C	LAICX
Class/Contract C000024961		Columbia Acorn International Institutional Class	ACINX
Class/Contract C000097732		Columbia Acorn International Class R	CACRX
Class/Contract C000097733		Columbia Acorn International Institutional 2 Class	CAIRX
Class/Contract C000122738		Columbia Acorn International Advisor Class	CCIRX
Class/Contract C000122739		Columbia Acorn International Institutional 3 Class	CCYIX
	Status	Name	Ticker Symbol
CIK 0000002110
Series S000009186		Columbia Acorn USA
Class/Contract C000024962		Columbia Acorn USA Class A	LAUAX
Class/Contract C000024964		Columbia Acorn USA Class C	LAUCX
Class/Contract C000024965		Columbia Acorn USA Institutional Class	AUSAX
Class/Contract C000122740		Columbia Acorn USA Advisor Class	CUSAX
Class/Contract C000122741		Columbia Acorn USA Institutional 2 Class	CYSRX
Class/Contract C000122742		Columbia Acorn USA Institutional 3 Class	CUSYX
	Status	Name	Ticker Symbol
CIK 0000002110
Series S000009187		Columbia Acorn Select
Class/Contract C000024966		Columbia Acorn Select Class A	LTFAX
Class/Contract C000024968		Columbia Acorn Select Class C	LTFCX
Class/Contract C000024969		Columbia Acorn Select Institutional Class	ACTWX
Class/Contract C000122743		Columbia Acorn Select Advisor Class	CSSRX
Class/Contract C000122744		Columbia Acorn Select Institutional 2 Class	CSLRX
Class/Contract C000122745		Columbia Acorn Select Institutional 3 Class	CSLYX
	Status	Name	Ticker Symbol
CIK 0000002110
Series S000009188		Columbia Acorn International Select
Class/Contract C000024970		Columbia Acorn International Select Class A	LAFAX
Class/Contract C000024972		Columbia Acorn International Select Class C	LFFCX
Class/Contract C000024973		Columbia Acorn International Select Institutional Class	ACFFX
Class/Contract C000122746		Columbia Acorn International Select Institutional 2 Class	CRIRX
Class/Contract C000122747		Columbia Acorn International Select Institutional 3 Class	CSIRX
Class/Contract C000122748		Columbia Acorn International Select Advisor Class	CILRX
	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
	Status	Name	Ticker Symbol
CIK 0000002110
Series S000033621		Columbia Acorn European Fund
Class/Contract C000103324		Columbia Acorn European Fund Class A	CAEAX
Class/Contract C000103325		Columbia Acorn European Fund Class C	CAECX
Class/Contract C000103327		Columbia Acorn European Fund Institutional Class	CAEZX
Class/Contract C000122752		Columbia Acorn European Fund Institutional 2 Class	CAEEX
Class/Contract C000144049		Columbia Acorn European Fund Advisor Class	CLOFX
Class/Contract C000171393		Columbia Acorn European Fund Institutional 3 Class	CAEYX
	Status	Name	Ticker Symbol
CIK 0000002110
Series S000033622		Columbia Acorn Emerging Markets Fund
Class/Contract C000103328		Columbia Acorn Emerging Markets Fund Class A	CAGAX
Class/Contract C000103329		Columbia Acorn Emerging Markets Fund Class C	CGMCX
Class/Contract C000103331		Columbia Acorn Emerging Markets Fund Institutional Class	CEFZX
Class/Contract C000122753		Columbia Acorn Emerging Markets Fund Advisor Class	CAERX
Class/Contract C000122754		Columbia Acorn Emerging Markets Fund Institutional 2 Class	CANRX
Class/Contract C000128887		Columbia Acorn Emerging Markets Fund Institutional 3 Class	CPHRX

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)