Ownership Submission
FORM 3
 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number: 3235-0104
Expires: January 31, 2005
Estimated average burden hours per response... 0.5

(Print or Type Responses)
1. Name and Address of Reporting Person *
  AMERO SCOTT
 2. Date of Event Requiring Statement (Month/Day/Year)
12/13/2007		 3. Issuer Name and Ticker or Trading Symbol
BlackRock Inc. [BLK]
(Last)
(First)
(Middle)
BLACKROCK, INC., 40 EAST 52ND STREET		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Vice Chairman
 5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

NEW YORK, NY 10022		 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)		 2. Amount of Securities Beneficially Owned
(Instr. 4)		 3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)		 4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Shares of Common Stock (par value $0.01 per share) 41,347.5 (1)
D
 

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)		 2. Date Exercisable and Expiration Date
(Month/Day/Year)		 3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)		 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)		 6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Employee Stock Option (right to buy) 12/31/2006 10/15/2012 Common Stock 12,296 $ 37.36 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
AMERO SCOTT
BLACKROCK, INC.
40 EAST 52ND STREET
NEW YORK, NY 10022		       Vice Chairman  

Signatures

/s/ Daniel R. Waltcher as Attorney-in-Fact for Scott Amero 12/18/2007
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) Includes 2,764 shares of restricted common stock granted under the BlackRock, Inc. 1999 Stock Award and Incentive Plan (the "Incentive Plan") which vested on 12/15/2007. (Please see Form 4 of 12/18/2007 which details tax withholding relating to the vesting of these shares.) Also includes 3,536 restricted stock units granted under the Incentive Plan, vesting in equal installments on 1/31/2008 and 1/31/2009 and 6,098 restricted stock units granted under the Incentive Plan, vesting as follows: 2,032 units on 1/31/2008, 2,033 units on 1/31/2009 and 2,033 units on 1/31/2010. Each restricted stock unit is payable solely by delivery of an equal number of shares of common stock. Also includes 1,309 shares of common stock held in the BlackRock, Inc. Retirement Savings Plan.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, See Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.