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
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(Print or Type Responses)
1. Name and Address of Reporting Person *
  AUDET PAUL
 2. Date of Event Requiring Statement (Month/Day/Year)
03/28/2007		 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)
Acting Chief Financial Officer
 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) 128,997 (1)
D
 

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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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) 12/15/2003(2) 12/15/2010 Common Stock (par value $0.01 per share) 30,000 $ 43.3125 D  
Employee Stock Option (right to buy) 12/31/2006 10/15/2012 Common Stock (par value $0.01 per share) 90,000 $ 37.36 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
AUDET PAUL
BLACKROCK, INC.
40 EAST 52ND STREET
NEW YORK, NY 10022		       Acting Chief Financial Officer  

Signatures

/s/ Daniel R. Waltcher as Attorney-in-Fact for Paul Audet 04/09/2007
**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 2,294 shares of Common Stock acquired by the reporting person under the BlackRock, Inc. Employee Stock Purchase Plan through March 28, 2007. Also includes 761 unvested restricted shares granted on 12/15/2003 and 891 unvested restricted shares granted on 1/21/2005. Also includes 2,210 unvested Restricted Stock Units granted on 1/23/2006 and 2,018 Restricted Stock Units granted on 1/25/2007.
(2) The options vested one-half ratably on each of 12/15/2003 and 12/15/2004.

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