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 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 *
  Carlin Gary M.
2. Date of Event Requiring Statement (Month/Day/Year)
09/08/2008
3. Issuer Name and Ticker or Trading Symbol
MERRILL LYNCH & CO INC [MER]
(Last)
(First)
(Middle)
C/O MERRILL LYNCH & CO., INC., 4 WORLD FINANCIAL CENTER
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Chief Accounting Officer
5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

NEW YORK, NY 10080
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)
Common Stock 21,078 (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
Stock Option - Right to Acquire (2)   (3) 01/23/2011 Common Stock 5,802 $ 77.5625 D  
Stock Option - Right to Acquire (2)   (4) 01/28/2012 Common Stock 12,838 $ 53.745 D  
Stock Option - Right to Acquire (2)   (5) 01/27/2013 Common Stock 5,544 $ 36.065 D  
Stock Option - Right to Acquire (2)   (6) 01/26/2014 Common Stock 2,424 $ 59.85 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Carlin Gary M.
C/O MERRILL LYNCH & CO., INC.
4 WORLD FINANCIAL CENTER
NEW YORK, NY 10080
      Chief Accounting Officer  

Signatures

Gary M.Carlin (By Pia K. Thompson, as agent) 09/17/2008
**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) This total includes 2,954 Restricted Shares and 8,835 Restricted Units granted under the Merrill Lynch & Co., Inc. Employee Stock Compensation Plan. The value of each Restricted Unit is equal to one Common Share and the Restricted Units are payable in Common Shares. These shares and units are subject to vesting and restricted periods. This total also includes 2,568 stock units issued upon exercise of stock options in 2002 under a deferral program for options under the Merrill Lynch & Co., Inc. Long-Term Incentive Compensation Plan for Managers and Producers (the "Plan"). These stock units are payable in Common Shares at the end of the deferral period specified under the program, which has subsequently been discontinued. These grants were exempt under the provisions of Rule 16b-3.
(2) These stock options were granted under the Plan. The grant of these options was exempt under the provisions of Rule 16b-3.
(3) All stock options became exercisable on 08/01/2001.
(4) All stock options became exercisable on 08/01/2002.
(5) 1,386 stock options became exercisable after each of 01/27/2004, 01/27/2004, 01/27/2005 and 01/27/2006.
(6) 606 stock options became exercisable after each of 01/26/2005, 01/26/2006, 01/26/2007 and 01/26/2008.
 
Remarks:
All reported positions have been rounded down to the nearest whole number.

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