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 or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:

3235-0104

Estimated average burden hours per response...

0.5

(Print or Type Responses)

1. Name and Address of Reporting Person ^*

Hayward Christopher B

2. Date of Event Requiring Statement (Month/Day/Year)
05/24/2007

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)
VP & Finance Director

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	42,734 ⁽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)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security		6. Nature of Indirect Beneficial Ownership (Instr. 5)
Stock Option - Right to Acquire ⁽²⁾	⁽³⁾	01/25/2009	Common Stock	4,520	$ 36.1719	D
Stock Option - Right to Acquire ⁽²⁾	⁽⁴⁾	01/27/2010	Common Stock	6,720	$ 43.7812	D
Stock Option - Right to Acquire ⁽²⁾	⁽⁵⁾	01/23/2011	Common Stock	5,158	$ 77.5625	D
Stock Option - Right to Acquire ⁽²⁾	⁽⁶⁾	01/28/2012	Common Stock	10,914	$ 53.745	D
Stock Option - Right to Acquire ⁽²⁾	⁽⁷⁾	01/27/2013	Common Stock	5,644	$ 36.065	D
Stock Option - Right to Acquire ⁽²⁾	⁽⁸⁾	01/26/2014	Common Stock	2,652	$ 59.85	D

Reporting Owners

Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
Hayward Christopher B C/O MERRILL LYNCH & CO., INC. 4 WORLD FINANCIAL CENTER NEW YORK, NY 10080			VP & Finance Director

Signatures

Christopher B. Hayward (By Pia K. Thompson, as agent)		06/04/2007
^**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)	This total includes 34,304 Restricted Shares granted under the Merrill Lynch & Co., Inc. Long-Term Incentive Compensation Plan. These shares are subject to vesting and restricted periods. Transactions under these plans are exempt under the provisions of Rule 16b-3.
(2)	These stock options were granted under the Merrill Lynch & Co., Inc. Long-Term Incentive Compensation Plan (the "Plan"). Transactions under this Plan are exempt under the provisions of Rule 16b-3.
(3)	All stock options became exercisable after 1/25/2004.
(4)	All stock options became exercisable on 1/27/2005.
(5)	All stock options became exercisable on 8/1/2001.
(6)	All stock options became exercisable on 8/1/2002.
(7)	All stock options became exercisable after 1/27/2007.
(8)	1,989 stock options became exercisable after 1/26/2007. 663 stock options will become exercisable after 1/26/2008.
Remarks: All reported positions have been rounded down to the nearest whole number.

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.