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 *
  Harry Serge
 2. Date of Event Requiring Statement (Month/Day/Year)
04/03/2007		 3. Issuer Name and Ticker or Trading Symbol
NYSE Euronext, Inc. [NYX]
(Last)
(First)
(Middle)
C/O NYSE EURONEXT, 11 WALL STREET		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Management Committee Member
 5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

NEW YORK, NY 10005		 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, par value $0.01 per share (1) 73,544
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 Options (2) 04/04/2007 09/17/2011 Common Stock, par value $0.01 per share 15,159 $ (3) D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Harry Serge
C/O NYSE EURONEXT
11 WALL STREET
NEW YORK, NY 10005		       Management Committee Member  

Signatures

C.M. Courtney under POA dated March 27, 2007 04/03/2007
**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) Acquired in exchange for ordinary shares of Euronext N.V. in connection with the consummation on April 4, 2007, of the transactions contemplated by the Amended and Restated Combination Agreement dated November 27, 2007, by and among the Issuer, NYSE Group, Inc., Euronext N.V. and Jefferson Merger Sub, Inc.
(2) Represents options to acquire ordinary shares of Euronext N. V. If the Reporting Person takes no action with respect to these options between the date they become exercisable and the closing of the second tender offer period contemplated by the Amended and Restated Combination Agreement dated November 27, 2007, by and among the Issuer, NYSE Group, Inc., Euronext N.V. and Jefferson Merger Sub, Inc., which is expected to occur on or about April 17, 2007, depending on circumstances beyond the control of the Issuer and the Reporting Person, these options will either convert into options to purchase the number of shares of Issuer common stock indicated, or will be disposed of for cash.
(3) 22.28 Euros
 
Remarks:
This report does not include the Reporting Person's interest in the Euronext Growth Fund and the Parisbourse Action Fund, employee benefit plans of the Issuer, the principal assets of which are cash and common stock of the Issuer. The Reporting Person is a director of the Parisbourse Action Fund, but does not control the voting or disposition of the Issuer common stock owned by the funds.



This report does not include performance shares awarded to the Reporting Person under the Euronext Executive Incentive Plan. The amount of  the award under that plan is subject to future contingencies beyond the control of either the Issuer or the Reporting Person.



Exhibit 24.1, Power of Attorney, is attached.

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