Amendment No. 10 to Schedule 13G

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

SCHEDULE 13G

(RULE 13D-102)

INFORMATION STATEMENT PURSUANT TO RULE 13D-1

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(AMENDMENT NO. 10)

BlackRock, Inc.

(Name of Issuer)

Common Stock

(Title of Class of Securities)

09247X101

(CUSIP Number)

December 31, 2007

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

x Rule 13d-1(b)

¨ Rule 13d-1(c)

¨ Rule 13d-1(d)


CUSIP No. 09247X101		Page 1 of 5 Pages


1)		Names of Reporting Persons IRS Identification No. Of Above Persons The PNC Financial Services Group, Inc. 25-1435979
2)		Check the Appropriate Box if a Member of a Group (See Instructions) a) ¨ b) ¨
3)		SEC USE ONLY
4)		Citizenship or Place of Organization Pennsylvania


Number of Shares Beneficially Owned By Each Reporting Person With		5) Sole Voting Power 43,415,994
		6) Shared Voting Power -0-
		7) Sole Dispositive Power 43,364,921
		8) Shared Dispositive Power 7,174


9)	Aggregate Amount Beneficially Owned by Each Reporting Person 43,416,998
10)	Check if the Aggregate Amount in Row (9) Excludes Certain Shares See Instructions	¨
11)	Percent of Class Represented by Amount in Row (9) 37.16
12)	Type of Reporting Person (See Instructions) HC


CUSIP No. 09247X101		Page 2 of 5 Pages


1)		Names of Reporting Persons IRS Identification No. Of Above Persons PNC Bancorp, Inc. 51-0326854
2)		Check the Appropriate Box if a Member of a Group (See Instructions) a) ¨ b) ¨
3)		SEC USE ONLY
4)		Citizenship or Place of Organization Delaware


Number of Shares Beneficially Owned By Each Reporting Person With		5) Sole Voting Power 43,415,994
		6) Shared Voting Power -0-
		7) Sole Dispositive Power 43,364,921
		8) Shared Dispositive Power 7,174


9)	Aggregate Amount Beneficially Owned by Each Reporting Person 43,416,998
10)	Check if the Aggregate Amount in Row (9) Excludes Certain Shares See Instructions	¨
11)	Percent of Class Represented by Amount in Row (9) 37.16
12)	Type of Reporting Person (See Instructions) HC


CUSIP No. 09247X101		Page 3 of 5 Pages


1)		Names of Reporting Persons IRS Identification No. Of Above Persons PNC Bank, National Association 22-1146430
2)		Check the Appropriate Box if a Member of a Group (See Instructions) a) ¨ b) ¨
3)		SEC USE ONLY
4)		Citizenship or Place of Organization United States


Number of Shares Beneficially Owned By Each Reporting Person With		5) Sole Voting Power 269,556
		6) Shared Voting Power -0-
		7) Sole Dispositive Power 218,483
		8) Shared Dispositive Power 7,174


9)	Aggregate Amount Beneficially Owned by Each Reporting Person 270,560
10)	Check if the Aggregate Amount in Row (9) Excludes Certain Shares See Instructions	¨
11)	Percent of Class Represented by Amount in Row (9) 0.23
12)	Type of Reporting Person (See Instructions) BK

Page 4 of 5 Pages

ITEM 2(a) - NAME OF PERSON FILING:

The PNC Financial Services Group, Inc.; PNC Bancorp, Inc.;

and PNC Bank, National Association.

ITEM 2(b) - ADDRESS OF PRINCIPAL BUSINESS OFFICE:

The PNC Financial Services Group, Inc. - One PNC Plaza, 249 Fifth Avenue, Pittsburgh, PA 15222-2707

PNC Bancorp, Inc. - 300 Delaware Avenue, Suite 304, Wilmington, DE 19801

PNC Bank, National Association - One PNC Plaza, 249 Fifth Avenue, Pittsburgh, PA 15222-2707

ITEM 2(c) - CITIZENSHIP:

The PNC Financial Services Group, Inc. - Pennsylvania

PNC Bancorp, Inc. - Delaware

PNC Bank, National Association - United States


ITEM 4 - OWNERSHIP:

The following information is as of December 31, 2007:

(a)	Amount Beneficially Owned:	43,416,998 shares	*
		*See the response to Item 6.
(b)	Percent of Class:	37.16*
		*See the response to Item 6.
(c)	Number of shares to which such person has:
	(i) sole power to vote or to direct the vote	43,415,994
	(ii) shared power to vote or to direct the vote	-0-
	(iii) sole power to dispose or to direct the disposition of	43,364,921
	(iv) shared power to dispose or to direct the disposition of	7,174

ITEM 6 - OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON:

Of the total shares reported herein, 270,560 shares are held in accounts at PNC Bank, National Association in a fiduciary capacity.

ITEM 7 - IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED THE SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY:

Included are the following subsidiaries of The PNC Financial Services Group, Inc. - HC:

PNC Bancorp, Inc. - HC (wholly owned subsidiary of The PNC Financial Services Group, Inc.)

PNC Bank, National Association - - BK (wholly owned subsidiary of PNC Bancorp, Inc.)

Page 5 of 5 Pages

ITEM 10 - CERTIFICATION:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.


February 8, 2008		February 8, 2008
Date		Date

By:	/s/ Joseph C. Guyaux	By:	/s/ Joseph C. Guyaux
Signature - The PNC Financial Services Group, Inc.		Signature - PNC Bank, National Association
Joseph C. Guyaux, President		Joseph C. Guyaux, President
Name & Title		Name & Title


February 8, 2008
Date

By:		/s/ Maria C. Schaffer
Signature - PNC Bancorp, Inc.
Maria C. Schaffer, Executive Vice President
Name & Title

AN AGREEMENT TO FILE A JOINT STATEMENT FOR

THE PNC FINANCIAL SERVICES GROUP, INC.,

PNC BANCORP, INC. AND PNC BANK, NATIONAL ASSOCIATION

WAS PREVIOUSLY FILED AS EXHIBIT A TO SCHEDULE 13G