<SEC-DOCUMENT>0001072613-25-000267-index.html : 20250404
<SEC-HEADER>0001072613-25-000267.hdr.sgml : 20250404
<ACCEPTANCE-DATETIME>20250404160056
ACCESSION NUMBER:		0001072613-25-000267
CONFORMED SUBMISSION TYPE:	SCHEDULE 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20250404
DATE AS OF CHANGE:		20250404

SUBJECT COMPANY:	

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

	FILING VALUES:
		FORM TYPE:		SCHEDULE 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-84331
		FILM NUMBER:		25813864

	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

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CITY OF LONDON INVESTMENT MANAGEMENT CO LTD
		CENTRAL INDEX KEY:			0001034546
		ORGANIZATION NAME:           	
		EIN:				000000000
		FISCAL YEAR END:			0630

	FILING VALUES:
		FORM TYPE:		SCHEDULE 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		77 GRACECHURCH STREET
		CITY:			LONDON
		STATE:			X0
		ZIP:			EC3V0AS
		BUSINESS PHONE:		4417171107

	MAIL ADDRESS:	
		STREET 1:		77 GRACECHURCH STREET
		CITY:			LONDON
		STATE:			X0
		ZIP:			EC3V0AS
</SEC-HEADER>
<DOCUMENT>
<TYPE>SCHEDULE 13G/A
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
Document 1 - file: primary_doc.html

Document 1 - RAW XML: primary_doc.xml

</DOCUMENT>
</SEC-DOCUMENT>