<SEC-DOCUMENT>0001287695-15-000221-index.html : 20150626
<SEC-HEADER>0001287695-15-000221.hdr.sgml : 20150626
<ACCEPTANCE-DATETIME>20150626105200
ACCESSION NUMBER:		0001287695-15-000221
CONFORMED SUBMISSION TYPE:	NSAR-B
PUBLIC DOCUMENT COUNT:		3
CONFORMED PERIOD OF REPORT:	20150430
FILED AS OF DATE:		20150626
DATE AS OF CHANGE:		20150626
EFFECTIVENESS DATE:		20150626

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BLACKROCK INVESTMENT QUALITY MUNICIPAL TRUST INC.
		CENTRAL INDEX KEY:			0000894242
		IRS NUMBER:				133690436
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1031

	FILING VALUES:
		FORM TYPE:		NSAR-B
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-07354
		FILM NUMBER:		15953774

	BUSINESS ADDRESS:	
		STREET 1:		100 BELLEVUE PARKWAY
		STREET 2:		MUTUAL FUND DEPARTMENT
		CITY:			WILMINGTON
		STATE:			DE
		ZIP:			19809
		BUSINESS PHONE:		888-825-2257

	MAIL ADDRESS:	
		STREET 1:		100 BELLEVUE PARKWAY
		STREET 2:		MUTUAL FUND DEPARTMENT
		CITY:			WILMINGTON
		STATE:			DE
		ZIP:			19809

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BLACKROCK INVESTMENT QUALITY MUNICIPAL TRUST, INC.
		DATE OF NAME CHANGE:	20120921

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BLACKROCK INVESTMENT QUALITY MUNICIPAL TRUST INC
		DATE OF NAME CHANGE:	19930328
</SEC-HEADER>
<DOCUMENT>
<TYPE>NSAR-B
<SEQUENCE>1
<FILENAME>bkn.fil
<TEXT>
Document 1 - file: bkn.fil

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77B ACCT LTTR
<SEQUENCE>2
<FILENAME>muni577b.htm
<TEXT>
Document 2 - file: muni577b.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77O RULE 10F-3
<SEQUENCE>3
<FILENAME>njtran77o.htm
<TEXT>
Document 3 - file: njtran77o.htm

</DOCUMENT>
</SEC-DOCUMENT>