<SEC-DOCUMENT>0001048703-16-000082-index.html : 20160108
<SEC-HEADER>0001048703-16-000082.hdr.sgml : 20160108
<ACCEPTANCE-DATETIME>20160108115102
ACCESSION NUMBER:		0001048703-16-000082
CONFORMED SUBMISSION TYPE:	SC 13G
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20160108
DATE AS OF CHANGE:		20160108

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MANAGED DURATION INVESTMENT GRADE MUNICIPAL FUND
		CENTRAL INDEX KEY:			0001235511
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0731

	FILING VALUES:
		FORM TYPE:		SC 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-81192
		FILM NUMBER:		161332118

	BUSINESS ADDRESS:	
		STREET 1:		227 WEST MONROE STREET
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606
		BUSINESS PHONE:		312-827-0100

	MAIL ADDRESS:	
		STREET 1:		227 WEST MONROE STREET
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MBIA CAPITAL/CLAYMORE MAN DUR INV GRD MUNI FUND
		DATE OF NAME CHANGE:	20090630

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MBIA CAPITAL CLAYMORE MAN DUR INV GRD MUNI FUND
		DATE OF NAME CHANGE:	20030814

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MBIA CAPITAL CLAYMORE MANAGED DURATION NATIONAL MUNICIPAL TR
		DATE OF NAME CHANGE:	20030523

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Karpus Management, Inc.
		CENTRAL INDEX KEY:			0001048703
		IRS NUMBER:				161290550
		STATE OF INCORPORATION:			NY
		FISCAL YEAR END:			0630

	FILING VALUES:
		FORM TYPE:		SC 13G

	BUSINESS ADDRESS:	
		STREET 1:		183 SULLY'S TRAIL
		CITY:			PITTSFORD
		STATE:			NY
		ZIP:			14534
		BUSINESS PHONE:		5855864680

	MAIL ADDRESS:	
		STREET 1:		183 SULLY'S TRAIL
		CITY:			PITTSFORD
		STATE:			NY
		ZIP:			14534

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	KARPUS MANAGEMENT INC
		DATE OF NAME CHANGE:	19971029
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G
<SEQUENCE>1
<FILENAME>mzf13G.htm
<TEXT>
Document 1 - file: mzf13G.htm

</DOCUMENT>
</SEC-DOCUMENT>