<SEC-DOCUMENT>0001085146-22-000101-index.html : 20220113
<SEC-HEADER>0001085146-22-000101.hdr.sgml : 20220113
<ACCEPTANCE-DATETIME>20220112195745
ACCESSION NUMBER:		0001085146-22-000101
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20220113
DATE AS OF CHANGE:		20220112

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PIONEER MUNICIPAL HIGH INCOME ADVANTAGE FUND, INC.
		CENTRAL INDEX KEY:			0001258943
		IRS NUMBER:				810634319
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			0331

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-84492
		FILM NUMBER:		22527607

	BUSINESS ADDRESS:	
		STREET 1:		60 STATE STREET
		STREET 2:		5TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02109
		BUSINESS PHONE:		617-742-7825

	MAIL ADDRESS:	
		STREET 1:		60 STATE STREET
		STREET 2:		5TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02109

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PIONEER MUNICIPAL HIGH INCOME ADVANTAGE TRUST
		DATE OF NAME CHANGE:	20030926

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PIONEER MUNICIPAL ADVANTAGE TRUST
		DATE OF NAME CHANGE:	20030807

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MACKAY SHIELDS LLC
		CENTRAL INDEX KEY:			0000061227
		STANDARD INDUSTRIAL CLASSIFICATION:	UNKNOWN SIC - 0000 [0000]
		IRS NUMBER:				134080466
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		1345 AVENUE OF THE AMERICAS
		STREET 2:		42ND  FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10105
		BUSINESS PHONE:		212-230-3811

	MAIL ADDRESS:	
		STREET 1:		1345 AVENUE OF THE AMERICAS
		STREET 2:		42ND FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10105

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MACKAY SHIELDS FINANCIAL CORP
		DATE OF NAME CHANGE:	19920929
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>mava2_123121.htm
<DESCRIPTION>MACKAY SHIELDS LLC
<TEXT>
Document 1 - file: mava2_123121.htm

</DOCUMENT>
</SEC-DOCUMENT>