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ACCESSION NUMBER:		0001193125-23-091773
CONFORMED SUBMISSION TYPE:	N-CSRS
PUBLIC DOCUMENT COUNT:		16
FILED AS OF DATE:		20230405
DATE AS OF CHANGE:		20230405
EFFECTIVENESS DATE:		20230405

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:			0430

	FILING VALUES:
		FORM TYPE:		N-CSRS
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-07354
		FILM NUMBER:		23801517

	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:	20220525

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BLACKROCK INVESTMENT QUALITY MUNICIPAL TRUST, INC.
		DATE OF NAME CHANGE:	20180130

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BLACKROCK INVESTMENT QUALITY MUNICIPAL TRUST INC.
		DATE OF NAME CHANGE:	20121009
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<TYPE>N-CSRS
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<FILENAME>d462132dncsrs.htm
<DESCRIPTION>BLACKROCK INVESTMENT QUALITY MUNICIPAL TRUST INC.
<TEXT>
Document 1 - file: d462132dncsrs.htm

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<DOCUMENT>
<TYPE>EX-99.CERT
<SEQUENCE>2
<FILENAME>d462132dex99cert.htm
<DESCRIPTION>CERTIFICATIONS PURSUANT TO SECTION 302
<TEXT>
Document 2 - file: d462132dex99cert.htm

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<DOCUMENT>
<TYPE>EX-99.906 CERT
<SEQUENCE>3
<FILENAME>d462132dex99906cert.htm
<DESCRIPTION>CERTIFICATIONS PURSUANT TO SECTION 906
<TEXT>
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<SEQUENCE>13
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<TEXT>
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<TYPE>ZIP
<SEQUENCE>18
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