    <SEC-DOCUMENT>0001193125-21-046816-index.html : 20210218
    <SEC-HEADER>0001193125-21-046816.hdr.sgml : 20210218
    <ACCEPTANCE-DATETIME>20210217205918
    ACCESSION NUMBER:		0001193125-21-046816
    CONFORMED SUBMISSION TYPE:	N-2/A
    PUBLIC DOCUMENT COUNT:		23
    FILED AS OF DATE:		20210218
    DATE AS OF CHANGE:		20210217

    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:		21647316

    	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:		1940 Act
    		SEC FILE NUMBER:	811-23625
    		FILM NUMBER:		21647317

    	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.(E)
    <SEQUENCE>2
    <FILENAME>d93447dex99e.htm
    <DESCRIPTION>FORM OF AUTOMATIC DIVIDEND REINVESTMENT PLAN
    <TEXT>
    Document 2 - file: d93447dex99e.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.(G)(1)
    <SEQUENCE>3
    <FILENAME>d93447dex99g1.htm
    <DESCRIPTION>FORM OF INVESTMENT MANAGEMENT AGREEMENT
    <TEXT>
    Document 3 - file: d93447dex99g1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.(G)(2)
    <SEQUENCE>4
    <FILENAME>d93447dex99g2.htm
    <DESCRIPTION>FORM OF AMENDED AND RESTATED MASTER ADVISORY FEE WAIVER AGREEMENT
    <TEXT>
    Document 4 - file: d93447dex99g2.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.(G)(3)
    <SEQUENCE>5
    <FILENAME>d93447dex99g3.htm
    <DESCRIPTION>AMENDMENT NO. 1 TO AMENDED AND RESTATED MASTER ADVISORY FEE WAIVER AGREEMENT
    <TEXT>
    Document 5 - file: d93447dex99g3.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.(G)(4)
    <SEQUENCE>6
    <FILENAME>d93447dex99g4.htm
    <DESCRIPTION>AMENDMENT NO. 2 TO AMENDED AND RESTATED MASTER ADVISORY FEE WAIVER AGREEMENT
    <TEXT>
    Document 6 - file: d93447dex99g4.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.(G)(5)
    <SEQUENCE>7
    <FILENAME>d93447dex99g5.htm
    <DESCRIPTION>FORM OF AMENDMENT NO. 3 TO AMENDED AND RESTATED MASTER ADVISORY FEE WAIVER
    <TEXT>
    Document 7 - file: d93447dex99g5.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.(G)(6)
    <SEQUENCE>8
    <FILENAME>d93447dex99g6.htm
    <DESCRIPTION>FORM OF AMENDMENT NO. 4 TO AMENDED AND RESTATED MASTER ADVISORY FEE WAIVER
    <TEXT>
    Document 8 - file: d93447dex99g6.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.(I)
    <SEQUENCE>9
    <FILENAME>d93447dex99i.htm
    <DESCRIPTION>FORM OF BLACKROCK FIXED-INCOME COMPLEX THIRD AMENDED AND RESTATED
    <TEXT>
    Document 9 - file: d93447dex99i.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.(J)
    <SEQUENCE>10
    <FILENAME>d93447dex99j.htm
    <DESCRIPTION>FORM OF MASTER CUSTODIAN AGREEMENT
    <TEXT>
    Document 10 - file: d93447dex99j.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.(K)(1)
    <SEQUENCE>11
    <FILENAME>d93447dex99k1.htm
    <DESCRIPTION>FORM OF AMENDED AND RESTATED TRANSFER AGENCY AND SERVICE AGREEMENT
    <TEXT>
    Document 11 - file: d93447dex99k1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.(K)(2)
    <SEQUENCE>12
    <FILENAME>d93447dex99k2.htm
    <DESCRIPTION>FORM OF ADMINISTRATION AND FUND ACCOUNTING SERVICES AGREEMENT
    <TEXT>
    Document 12 - file: d93447dex99k2.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.(K)(3)
    <SEQUENCE>13
    <FILENAME>d93447dex99k3.htm
    <DESCRIPTION>FORM OF SEVENTH AMENDED AND RESTATED SECURITIES LENDING AGREEMENT
    <TEXT>
    Document 13 - file: d93447dex99k3.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.(K)(4)
    <SEQUENCE>14
    <FILENAME>d93447dex99k4.htm
    <DESCRIPTION>FORM OF ORGANIZATIONAL AND OFFERING EXPENSES AGREEMENT
    <TEXT>
    Document 14 - file: d93447dex99k4.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.(N)
    <SEQUENCE>15
    <FILENAME>d93447dex99n.htm
    <DESCRIPTION>INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM CONSENT
    <TEXT>
    Document 15 - file: d93447dex99n.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.(P)
    <SEQUENCE>16
    <FILENAME>d93447dex99p.htm
    <DESCRIPTION>INITIAL SUBSCRIPTION AGREEMENT
    <TEXT>
    Document 16 - file: d93447dex99p.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.(R)
    <SEQUENCE>17
    <FILENAME>d93447dex99r.htm
    <DESCRIPTION>CODE OF ETHICS OF THE REGISTRANT AND THE ADVISOR
    <TEXT>
    Document 17 - file: d93447dex99r.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.(S)
    <SEQUENCE>18
    <FILENAME>d93447dex99s.htm
    <DESCRIPTION>POWER OF ATTORNEY
    <TEXT>
    Document 18 - file: d93447dex99s.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>20
    <FILENAME>g93447g06t81.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 20 - file: g93447g06t81.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>21
    <FILENAME>g93447g21a07.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 21 - file: g93447g21a07.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>22
    <FILENAME>g93447g61c29.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 22 - file: g93447g61c29.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>23
    <FILENAME>g93447g64k79.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 23 - file: g93447g64k79.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>24
    <FILENAME>g93447gra279.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 24 - file: g93447gra279.gif

    </DOCUMENT>
    </SEC-DOCUMENT>