<SEC-DOCUMENT>0000898432-19-001029-index.html : 20190725
<SEC-HEADER>0000898432-19-001029.hdr.sgml : 20190725
<ACCEPTANCE-DATETIME>20190725112358
ACCESSION NUMBER:		0000898432-19-001029
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20190725
FILED AS OF DATE:		20190725
DATE AS OF CHANGE:		20190725

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MACKAY SHIELDS LLC
		CENTRAL INDEX KEY:			0000061227
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	811-23434
		FILM NUMBER:		19973189

	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 NAME:	
		FORMER CONFORMED NAME:	MACKAY SHIELDS FINANCIAL CORP
		DATE OF NAME CHANGE:	19920929

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			RiverNorth Managed Duration Municipal Income Fund, Inc.
		CENTRAL INDEX KEY:			0001771226
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			0120

	BUSINESS ADDRESS:	
		STREET 1:		325 NORTH LASALLE STREET
		STREET 2:		SUITE 645
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60654
		BUSINESS PHONE:		312-445-2251

	MAIL ADDRESS:	
		STREET 1:		325 NORTH LASALLE STREET
		STREET 2:		SUITE 645
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60654

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	RiverNorth Opportunistic Municipal Income Fund II
		DATE OF NAME CHANGE:	20190319
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>form3.xml
<TEXT>
Document 1 - file: form3.html

Document 1 - RAW XML: form3.xml

</DOCUMENT>
</SEC-DOCUMENT>