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 *
  BRISTOL MYERS SQUIBB CO
 2. Date of Event Requiring Statement (Month/Day/Year)
02/10/2009		 3. Issuer Name and Ticker or Trading Symbol
Mead Johnson Nutrition Co [MJN]
(Last)
(First)
(Middle)
345 PARK AVENUE		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

NEW YORK, NY 10154		 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)
Class A Common Stock 42,344,571
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
Class B Common Stock   (1)   (1) Class A Common Stock 127,655,429 $ 0 I By E.R. Squibb & Sons, L.L.C. (2)

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
BRISTOL MYERS SQUIBB CO
345 PARK AVENUE
NEW YORK, NY 10154		     X    

Signatures

/s/ Sonia Vora, Assistant Corporate Secretary for Bristol-Myers Squibb Company 12/22/2009
**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) The Class B Common Stock is convertible into Class A Common Stock at any time on a one-for-one basis and has no exercise or conversion price or expiration date.
(2) The reported securities are owned directly by E.R. Squibb & Sons, L.L.C., which is a wholly-owned subsidiary of Bristol-Myers Squibb Company. Bristol-Myers Squibb Company is an indirect beneficial owner of the reported securities.

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