<SEC-DOCUMENT>0001048703-17-000003-index.html : 20170111
<SEC-HEADER>0001048703-17-000003.hdr.sgml : 20170111
<ACCEPTANCE-DATETIME>20170111081316
ACCESSION NUMBER:		0001048703-17-000003
CONFORMED SUBMISSION TYPE:	SC 13G
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20170111
DATE AS OF CHANGE:		20170111

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:		17521976

	BUSINESS ADDRESS:	
		STREET 1:		C/O INSIGHT INVESTMENT
		STREET 2:		200 PARK AVE, 7TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10166
		BUSINESS PHONE:		2123653226

	MAIL ADDRESS:	
		STREET 1:		C/O INSIGHT INVESTMENT
		STREET 2:		200 PARK AVE, 7TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10166

	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>MZFG0.htm
<TEXT>
Document 1 - file: MZFG0.htm

</DOCUMENT>
</SEC-DOCUMENT>