<SEC-DOCUMENT>0001683863-21-004764-index.html : 20210831
<SEC-HEADER>0001683863-21-004764.hdr.sgml : 20210831
<ACCEPTANCE-DATETIME>20210831070956
ACCESSION NUMBER:		0001683863-21-004764
CONFORMED SUBMISSION TYPE:	N-CSRS
PUBLIC DOCUMENT COUNT:		10
CONFORMED PERIOD OF REPORT:	20210630
FILED AS OF DATE:		20210831
DATE AS OF CHANGE:		20210831
EFFECTIVENESS DATE:		20210831

FILER:

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

	FILING VALUES:
		FORM TYPE:		N-CSRS
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-08748
		FILM NUMBER:		211225478

	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
<SERIES-AND-CLASSES-CONTRACTS-DATA>
<EXISTING-SERIES-AND-CLASSES-CONTRACTS>
<SERIES>
<OWNER-CIK>0000929521
<SERIES-ID>S000008981
<SERIES-NAME>Wanger USA
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000024403
<CLASS-CONTRACT-NAME>Wanger USA
<CLASS-CONTRACT-TICKER-SYMBOL>WUSAX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000929521
<SERIES-ID>S000008982
<SERIES-NAME>Wanger International
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000024404
<CLASS-CONTRACT-NAME>Wanger International
<CLASS-CONTRACT-TICKER-SYMBOL>WSCAX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000929521
<SERIES-ID>S000008983
<SERIES-NAME>Wanger Select
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000024405
<CLASS-CONTRACT-NAME>Wanger Select
<CLASS-CONTRACT-TICKER-SYMBOL>WATWX
</CLASS-CONTRACT>
</SERIES>
</EXISTING-SERIES-AND-CLASSES-CONTRACTS>
</SERIES-AND-CLASSES-CONTRACTS-DATA>
</SEC-HEADER>
<DOCUMENT>
<TYPE>N-CSRS
<SEQUENCE>1
<FILENAME>f9525d1.htm
<DESCRIPTION>WANGER ADVISORS TRUST
<TEXT>
Document 1 - file: f9525d1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.CERT
<SEQUENCE>2
<FILENAME>f9525d2.htm
<DESCRIPTION>SECTION 302 CERTIFICATION
<TEXT>
Document 2 - file: f9525d2.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.906 CERT
<SEQUENCE>3
<FILENAME>f9525d3.htm
<DESCRIPTION>SECTION 906 CERTIFICATION
<TEXT>
Document 3 - file: f9525d3.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>imga8933e821.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: imga8933e821.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>imgd207a46d2.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: imgd207a46d2.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>imgc373f68a2.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: imgc373f68a2.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>imgfdd42c421.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: imgfdd42c421.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>img5499e2fe1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: img5499e2fe1.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>imgd9bafdef2.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 9 - file: imgd9bafdef2.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>section-302certification1x1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 10 - file: section-302certification1x1.jpg

</DOCUMENT>
</SEC-DOCUMENT>