<SEC-DOCUMENT>0001752724-19-151218-index.html : 20191025
<SEC-HEADER>0001752724-19-151218.hdr.sgml : 20191025
<ACCEPTANCE-DATETIME>20191025163830
ACCESSION NUMBER:		0001752724-19-151218
CONFORMED SUBMISSION TYPE:	NPORT-EX
PUBLIC DOCUMENT COUNT:		3
CONFORMED PERIOD OF REPORT:	20190831
FILED AS OF DATE:		20191025

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MFS HIGH YIELD MUNICIPAL TRUST
		CENTRAL INDEX KEY:			0000809844
		IRS NUMBER:				042950868
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			1130

	FILING VALUES:
		FORM TYPE:		NPORT-EX
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-04992
		FILM NUMBER:		191170337

	BUSINESS ADDRESS:	
		STREET 1:		111 HUNTINGTON AVENUE
		STREET 2:		24TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02199
		BUSINESS PHONE:		617-954-5000

	MAIL ADDRESS:	
		STREET 1:		111 HUNTINGTON AVENUE
		STREET 2:		24TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02199

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	COLONIAL MUNICIPAL INCOME TRUST
		DATE OF NAME CHANGE:	19920703
<MULTI-ACCESSION-NUMBERS>
ACCESSION NUMBER:		0001752724-19-148219
</MULTI-ACCESSION-NUMBERS>
</SEC-HEADER>
<DOCUMENT>
<TYPE>NPORT-EX
<SEQUENCE>1
<FILENAME>NPORT_13731414209167302.htm
<TEXT>
Document 1 - file: NPORT_13731414209167302.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>imgc37ab6512.gif
<TEXT>
Document 2 - file: imgc37ab6512.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>img0bd69d971.gif
<TEXT>
Document 3 - file: img0bd69d971.gif

</DOCUMENT>
</SEC-DOCUMENT>