Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN 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
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(Print or Type Responses)
1. Name and Address of Reporting Person *
KAPITO ROBERT
  2. Issuer Name and Ticker or Trading Symbol
BlackRock Inc. [BLK]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
President
(Last)
(First)
(Middle)
BLACKROCK INC., 55 EAST 52ND STREET
3. Date of Earliest Transaction (Month/Day/Year)
01/31/2012
(Street)

NEW YORK, NY 10055
4. If Amendment, Date Original Filed(Month/Day/Year)
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 Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)
7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Shares of Common Stock (par value $0.01 per share) 02/10/2011   G(1) V 240,855 (2) D $ 0 473,107 (3) I By Grantor Retained Annuity Trusts
Shares of Common Stock (par value $0.01 per share) 11/28/2011   G(1) V 196,991 (4) D $ 0 192,750.6 (5) D  
Shares of Common Stock (par value $0.01 per share) 11/28/2011   G(1) V 37,771 (6) D $ 0 154,979.6 (5) D  
Shares of Common Stock (par value $0.01 per share) 01/31/2012   F   19,097 (7) D $ 183.22 135,882.6 (5) D  
Shares of Common Stock (par value $0.01 per share) 02/01/2012   M   87,500 A $ 37.36 223,382.6 (5) D  
Shares of Common Stock (par value $0.01 per share) 02/01/2012   S   77,082 D $ 183.3044 (8) 146,300.6 (5) D  
Shares of Common Stock (par value $0.01 per share) 02/01/2012   S   10,418 D $ 183.8998 (9) 135,882.6 (5) D  
Shares of Common Stock (par value $0.01 per share) 02/02/2012   M   87,500 A $ 37.36 223,382.6 (5) D  
Shares of Common Stock (par value $0.01 per share) 02/02/2012   S   75,380 D $ 183.1777 (10) 148,002.6 (5) D  
Shares of Common Stock (par value $0.01 per share) 02/02/2012   S   12,120 D $ 183.8316 (11) 135,882.6 (5) D  

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)
6. Date Exercisable and Expiration Date
(Month/Day/Year)
7. Title and Amount of Underlying Securities
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Employee Stock Option (right to buy) $ 37.36 02/01/2012   M     87,500 12/31/2006 10/15/2012 Shares of Common Stock (par value $0.01 per share) 87,500 $ 0 87,500 D  
Employee Stock Option (right to buy) $ 37.36 02/02/2012   M     87,500 12/31/2006 10/15/2012 Shares of Common Stock (par value $0.01 per share) 87,500 $ 0 0 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
KAPITO ROBERT
BLACKROCK INC.
55 EAST 52ND STREET
NEW YORK, NY 10055
  X     President  

Signatures

 /s/ Daniel R. Waltcher as Attorney-in-Fact for Robert Kapito   02/02/2012
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(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) Transaction conducted for estate planning purposes.
(2) Represents transfer to the reporting person's Goldman 2008 Trust, for the benefit of family.
(3) Reflects total indirect holdings in grantor retained annuity trusts (the "GRATs") as of February 2, 2012, which holdings give effect to transfers from the reporting person's direct holdings to the GRATs and from the GRATs to the reporting person's direct holdings, including the May 5, 2008 transfer of 500,000 shares of common stock ("Shares") from direct holdings to the GRATs, the February 26, 2010 transfer of 150,000 Shares from direct holdings to the GRATs, the February 9, 2011 transfer of 158,047 Shares from the GRATs to direct holdings, the February 25, 2011 transfer of 49,810 Shares from the GRATs to direct holdings, the April 27, 2011 transfer of 75,172 Shares from the GRATs to direct holdings, the April 29, 2011 transfer of 150,000 Shares from direct holdings to the GRATs and the November 28, 2011 transfer of 196,991 Shares from direct holdings to the GRATs.
(4) Represents transfer to a grantor retained annuity trust, as described in footnote 3.
(5) Includes (i) 9,235 shares of Restricted Stock vesting on 1/31/13, (ii) 23,486 shares of Restricted Stock vesting in equal installments on 1/31/13 and 1/31/14, (iii) 14,969 shares of Restricted Stock vesting on 1/31/14, (iv) 28,713 Restricted Stock Units vesting in installments on 1/31/13, 1/31/14 and 1/31/15 and (v) 26,213 Restricted Stock Units awarded on 1/20/12 that will vest in whole or in part only on the satisfaction of one or more previously-disclosed Common Stock price targets, but which may not vest before 1/31/16 and will expire on 1/31/18 to the extent not then vested. Each Restricted Stock Unit is payable solely by delivery of an equal number of shares of Common Stock.
(6) Represents transfer to the reporting person's 2010 Family Trust Account, for the benefit of family.
(7) Represents the withholding by BlackRock of Common Stock to satisfy tax obligation on the vesting of the reporting person's Restricted Stock Units and shares of Restricted Stock granted under the Amended and Restated BlackRock, Inc. 1999 Stock Award and Incentive Plan.
(8) This transaction was executed in multiple trades at prices ranging from $182.73 to $183.72. The price reported represents the weighted average sale price of these trades. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the shares sold at each separate price.
(9) This transaction was executed in multiple trades at prices ranging from $183.73 to $184.34. The price reported represents the weighted average sale price of these trades. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the shares sold at each separate price.
(10) This transaction was executed in multiple trades at prices ranging from $182.59 to $183.58. The price reported represents the weighted average sale price of these trades. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the shares sold at each separate price.
(11) This transaction was executed in multiple trades at prices ranging from $183.59 to $184.33. The price reported represents the weighted average sale price of these trades. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the shares sold at each separate price.

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