<SEC-DOCUMENT>0001287695-15-000502-index.html : 20151224
<SEC-HEADER>0001287695-15-000502.hdr.sgml : 20151224
<ACCEPTANCE-DATETIME>20151224123554
ACCESSION NUMBER:		0001287695-15-000502
CONFORMED SUBMISSION TYPE:	NSAR-A
PUBLIC DOCUMENT COUNT:		4
CONFORMED PERIOD OF REPORT:	20151031
FILED AS OF DATE:		20151224
DATE AS OF CHANGE:		20151224
EFFECTIVENESS DATE:		20151224

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-A
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-07354
		FILM NUMBER:		151307603

	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-A
<SEQUENCE>1
<FILENAME>b158answer.fil
<TEXT>
Document 1 - file: b158answer.fil

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77I NEW SECUR
<SEQUENCE>2
<FILENAME>bkn77i.txt
<TEXT>
Document 2 - file: bkn77i.txt

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77I NEW SECUR
<SEQUENCE>3
<FILENAME>bkn77q1a.txt
<TEXT>
Document 3 - file: bkn77q1a.txt

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77I NEW SECUR
<SEQUENCE>4
<FILENAME>bkn77q1d.txt
<TEXT>
Document 4 - file: bkn77q1d.txt

</DOCUMENT>
</SEC-DOCUMENT>