Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN 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 *
FORD WILLIAM E
   2. Issuer Name and Ticker or Trading Symbol
ARCHIPELAGO HOLDINGS INC [AX] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
GENERAL ATLANTIC SERVICE COMPANY, LLC, 3 PICKWICK PLAZA		 3. Date of Earliest Transaction (Month/Day/Year)
03/07/2006
(Street)

GREENWICH, CT 06830		 4. If Amendment, Date Original Filed(Month/Day/Year)
 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 Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)		 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)		 4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)		 5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)		 6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)		 7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 03/07/2006   U   7,193,963 D (5) 0 I See (1)
Common Stock 03/07/2006   U   129,835 D (5) 0 I See (2)
Common Stock 03/07/2006   U   2,437,604 D (5) 0 I See (3)
Common Stock 03/07/2006   U   605,064 D (5) 0 I See (4)

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)		 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)		 5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)		 6. Date Exercisable and Expiration Date
(Month/Day/Year)		 7. Title and Amount of Underlying Securities
(Instr. 3 and 4)		 8. Price of Derivative Security
(Instr. 5)		 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)		 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)		 11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Restricted Stock Units $ 0 03/07/2006   D     13,251   (6)   (6) Common Stock 13,251 $ 0 0 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
FORD WILLIAM E
GENERAL ATLANTIC SERVICE COMPANY, LLC
3 PICKWICK PLAZA
GREENWICH, CT 06830		   X      

Signatures

 William E. Ford   03/08/2006
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(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) By General Atlantic Partners 77, L.P. ("GAP 77"). See footnote 4.
(2) By GapStar, LLC ("GapStar"). See footnote 4.
(3) By GAP-W Holdings, L.P. ("GAP-W"). See footnote 4.
(4) By GAP Coinvestment Partners II, L.P. ("GAPCO II"). The Reporting Person is President and a Managing Director of General Atlantic LLC ("GA LLC") and a general partner of GAPCO II. GA LLC is the general partner of GAP 77 and GAP-W, and the sole member of GapStar. The general partners of GAPCO II are also Managing Directors of GA LLC.
(5) Disposed of as a result of the issuer's merger (the "Merger") with the New York Stock Exchange, Inc., in exchange for (i) in the case of GAP 77, 7,193,963 shares of common stock of NYSE Group, Inc. ("NYSE Group"), (ii) in the case of GapStar, 129,835 shares of common stock of NYSE Group, (iii) in the case of GAP-W, 2,437,604 shares of common stock of NYSE Group and (iv) in the case of GAPCO II, 605,064 shares of common stock of NYSE Group. On the effective date of the Merger, the closing price of the issuer's common stock was $64.25 per share. The shares of common stock of NYSE Group commenced trading on March 8, 2006, the day following the effective date of the Merger, at $67.00 per share.
(6) These restricted stock units are fully vested and represent the right to receive one share of the issuer's common stock (or cash equal to the fair market value thereof) upon the director's resignation or other termination of service from the issuer's board of directors, including a change of control of the issuer. They were disposed of as a result of the consummation of the Merger in exchange for 13,251 restricted stock units of NYSE Group. The shares of common stock of NYSE Group commenced trading on March 8, 2006, the day following the effective date of the Merger, at $67.00 per share.

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