<SEC-DOCUMENT>0001193125-21-370055-index.html : 20211230
<SEC-HEADER>0001193125-21-370055.hdr.sgml : 20211230
<ACCEPTANCE-DATETIME>20211230115529
ACCESSION NUMBER:		0001193125-21-370055
CONFORMED SUBMISSION TYPE:	497
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20211230
DATE AS OF CHANGE:		20211230
EFFECTIVENESS DATE:		20211230

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BLACKROCK FUNDS
		CENTRAL INDEX KEY:			0000844779
		IRS NUMBER:				510318674
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			0930

	FILING VALUES:
		FORM TYPE:		497
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	033-26305
		FILM NUMBER:		211531471

	BUSINESS ADDRESS:	
		STREET 1:		100 BELLEVUE PARKWAY
		CITY:			WILMINGTON
		STATE:			DE
		ZIP:			19809
		BUSINESS PHONE:		800-441-7762

	MAIL ADDRESS:	
		STREET 1:		100 BELLEVUE PARKWAY
		CITY:			WILMINGTON
		STATE:			DE
		ZIP:			19809

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	COMPASS CAPITAL FUNDS\
		DATE OF NAME CHANGE:	19961114

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PNC FUND
		DATE OF NAME CHANGE:	19920703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	NCP FUNDS
		DATE OF NAME CHANGE:	19890511
<SERIES-AND-CLASSES-CONTRACTS-DATA>
<EXISTING-SERIES-AND-CLASSES-CONTRACTS>
<SERIES>
<OWNER-CIK>0000844779
<SERIES-ID>S000050371
<SERIES-NAME>iShares Developed Real Estate Index Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000159045
<CLASS-CONTRACT-NAME>Investor A
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000159046
<CLASS-CONTRACT-NAME>Institutional
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000159047
<CLASS-CONTRACT-NAME>Class K
</CLASS-CONTRACT>
</SERIES>
</EXISTING-SERIES-AND-CLASSES-CONTRACTS>
</SERIES-AND-CLASSES-CONTRACTS-DATA>
</SEC-HEADER>
<DOCUMENT>
<TYPE>497
<SEQUENCE>1
<FILENAME>d238769d497.htm
<DESCRIPTION>BLACKROCK FUNDS
<TEXT>
Document 1 - file: d238769d497.htm

</DOCUMENT>
</SEC-DOCUMENT>