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ACCESSION NUMBER:		0001683863-24-001073
CONFORMED SUBMISSION TYPE:	N-CSR
PUBLIC DOCUMENT COUNT:		18
CONFORMED PERIOD OF REPORT:	20231231
FILED AS OF DATE:		20240301
DATE AS OF CHANGE:		20240301
EFFECTIVENESS DATE:		20240301

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			WANGER ADVISORS TRUST
		CENTRAL INDEX KEY:			0000929521
		ORGANIZATION NAME:           	
		IRS NUMBER:				362692100
		STATE OF INCORPORATION:			IL
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		N-CSR
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-08748
		FILM NUMBER:		24707871

	BUSINESS ADDRESS:	
		STREET 1:		71 S. WACKER DRIVE, SUITE 2500
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606
		BUSINESS PHONE:		3126349200

	MAIL ADDRESS:	
		STREET 1:		71 S. WACKER DRIVE, SUITE 2500
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606
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<OWNER-CIK>0000929521
<SERIES-ID>S000008981
<SERIES-NAME>Wanger Acorn
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<CLASS-CONTRACT-ID>C000024403
<CLASS-CONTRACT-NAME>Wanger Acorn
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<SERIES>
<OWNER-CIK>0000929521
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<TYPE>N-CSR
<SEQUENCE>1
<FILENAME>f37726d1.htm
<DESCRIPTION>WANGER ADVISORS TRUST
<TEXT>
Document 1 - file: f37726d1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.CODE ETH
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<FILENAME>f37726d2.htm
<DESCRIPTION>CODE OF ETHICS
<TEXT>
Document 2 - file: f37726d2.htm

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<TYPE>EX-99.CERT
<SEQUENCE>3
<FILENAME>f37726d3.htm
<DESCRIPTION>SECTION 302 CERTIFICATION
<TEXT>
Document 3 - file: f37726d3.htm

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<TYPE>EX-99.906 CERT
<SEQUENCE>4
<FILENAME>f37726d4.htm
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Document 4 - file: f37726d4.htm

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