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 *
Robbins Stuart
   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)
100 SOUTH WACKER DRIVE, SUITE 1800, C/O ARCHIPELAGO HOLDINGS, INC.		 3. Date of Earliest Transaction (Month/Day/Year)
09/30/2005
(Street)

CHICAGO, IL 60606		 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

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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 (1) (2) $ 0 09/30/2005 09/30/2005 A   989 (3)     (4)   (4) Common Stock (2) $ 0 989 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Robbins Stuart
100 SOUTH WACKER DRIVE, SUITE 1800
C/O ARCHIPELAGO HOLDINGS, INC.
CHICAGO, IL 60606		   X      

Signatures

 Cynthia A. Lance under power of attorney of Stuart M. Robbins   10/04/2005
**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) Granted under the Archipelago Holdings, Inc. 2004 Stock Incentive Plan.
(2) Each RSU represents a 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 Company's Board of Directors.
(3) The number of RSUs awarded to the Reporting Person represent: (i) the dollar value of the Reporting Person's quarterly RSU compensation for service as a director of the Company, divided by $39.85 (the closing price of the issuer's common stock on the Arca Exchange on September 30, 2005); and (ii) 110% of the dollar value of the Reporting Person's quarterly cash compensation for service as a director of the Company, divided by $39.85.
(4) The RSU granted to the Reporting Person are fully vested on the date of grant with the underlying shares (or cash equal to the fair market value thereof) to be delivered upon the Reporting Person's resignation or other termination from the Company's board of directors.

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