    <SEC-DOCUMENT>0001193125-21-092995-index.html : 20210325
    <SEC-HEADER>0001193125-21-092995.hdr.sgml : 20210325
    <ACCEPTANCE-DATETIME>20210324205828
    ACCESSION NUMBER:		0001193125-21-092995
    CONFORMED SUBMISSION TYPE:	N-2/A
    PUBLIC DOCUMENT COUNT:		14
    FILED AS OF DATE:		20210325
    DATE AS OF CHANGE:		20210324

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			BlackRock Innovation & Growth Trust
    		CENTRAL INDEX KEY:			0001836057
    		IRS NUMBER:				000000000
    		STATE OF INCORPORATION:			MD
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		N-2/A
    		SEC ACT:		1940 Act
    		SEC FILE NUMBER:	811-23625
    		FILM NUMBER:		21769828

    	BUSINESS ADDRESS:
    		STREET 1:		BELLEVUE PARKWAY
    		CITY:			WILMINGTON
    		STATE:			DE
    		ZIP:			19808
    		BUSINESS PHONE:		800 882 0052

    	MAIL ADDRESS:
    		STREET 1:		BELLEVUE PARKWAY
    		CITY:			WILMINGTON
    		STATE:			DE
    		ZIP:			19808

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			BlackRock Innovation & Growth Trust
    		CENTRAL INDEX KEY:			0001836057
    		IRS NUMBER:				000000000
    		STATE OF INCORPORATION:			MD
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		N-2/A
    		SEC ACT:		1933 Act
    		SEC FILE NUMBER:	333-251526
    		FILM NUMBER:		21769827

    	BUSINESS ADDRESS:
    		STREET 1:		BELLEVUE PARKWAY
    		CITY:			WILMINGTON
    		STATE:			DE
    		ZIP:			19808
    		BUSINESS PHONE:		800 882 0052

    	MAIL ADDRESS:
    		STREET 1:		BELLEVUE PARKWAY
    		CITY:			WILMINGTON
    		STATE:			DE
    		ZIP:			19808
    <IS-FILER-A-NEW-REGISTRANT>Y
    <IS-FILER-A-WELL-KNOWN-SEASONED-ISSUER>N
    <FILED-PURSUANT-TO-GENERAL-INSTRUCTION-A2>N
    <IS-FUND-24F2-ELIGIBLE>N
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>N-2/A
    <SEQUENCE>1
    <FILENAME>d93447dn2a.htm
    <DESCRIPTION>BLACKROCK INNOVATION AND GROWTH TRUST
    <TEXT>
    Document 1 - file: d93447dn2a.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.(H)(1)
    <SEQUENCE>2
    <FILENAME>d93447dex99h1.htm
    <DESCRIPTION>FORM OF UNDERWRITING AGREEMENT
    <TEXT>
    Document 2 - file: d93447dex99h1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.(H)(2)
    <SEQUENCE>3
    <FILENAME>d93447dex99h2.htm
    <DESCRIPTION>FORM OF MASTER AGREEMENT AMONG UNDERWRITERS
    <TEXT>
    Document 3 - file: d93447dex99h2.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.(H)(3)
    <SEQUENCE>4
    <FILENAME>d93447dex99h3.htm
    <DESCRIPTION>FORM OF MASTER SELECTED DEALERS AGREEMENT
    <TEXT>
    Document 4 - file: d93447dex99h3.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.(H)(4)
    <SEQUENCE>5
    <FILENAME>d93447dex99h4.htm
    <DESCRIPTION>FORM OF STRUCTURING FEE AGREEMENT
    <TEXT>
    Document 5 - file: d93447dex99h4.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.(H)(5)
    <SEQUENCE>6
    <FILENAME>d93447dex99h5.htm
    <DESCRIPTION>FORM OF MORGAN STANLEY STRUCTURING AND SYNDICATION FEE AGREEMENT
    <TEXT>
    Document 6 - file: d93447dex99h5.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.(L)
    <SEQUENCE>7
    <FILENAME>d93447dex99l.htm
    <DESCRIPTION>OPINION AND CONSENT OF COUNSEL
    <TEXT>
    Document 7 - file: d93447dex99l.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.(N)
    <SEQUENCE>8
    <FILENAME>d93447dex99n.htm
    <DESCRIPTION>INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM CONSENT
    <TEXT>
    Document 8 - file: d93447dex99n.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>g93447g06t81.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 10 - file: g93447g06t81.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>g93447g21a07.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 11 - file: g93447g21a07.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>g93447g61c29.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 12 - file: g93447g61c29.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>g93447g64k79.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 13 - file: g93447g64k79.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>g93447miles1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 14 - file: g93447miles1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>g93447miles2.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 15 - file: g93447miles2.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>