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<P ALIGN="CENTER">UNITED STATES</P>


<P ALIGN="CENTER">SECURITIES AND EXCHANGE COMMISSION</P>


<P ALIGN="CENTER">WASHINGTON, D.C. 20549</P>


<P ALIGN="CENTER"></P>


<P ALIGN="CENTER">-----------------------</P>





<P ALIGN="CENTER">FORM 8-K</P>


<P ALIGN="CENTER"></P>


<P ALIGN="CENTER">-----------------------</P>


<P ALIGN="CENTER"></P>


<P ALIGN="CENTER">CURRENT REPORT</P>


<P ALIGN="CENTER">PURSUANT TO SECTION 13 OR 15 (d) OF THE</P>


<P ALIGN="CENTER">SECURITIES EXCHANGE ACT OF 1934</P>





<P ALIGN="CENTER">Date of report (Date of earliest event reported): February 4, 2005</P>





<P ALIGN="CENTER">Instinet Group Incorporated</P>


<P ALIGN="CENTER">-----------------------------------------------------------------------</P>


<P ALIGN="CENTER">(Exact Name of Registrant as Specified in Charter)</P>





<P ALIGN="CENTER">Delaware                      000-32717              13-4134098</P>


<P>---------------------------------------------------------------------(State or Other Jurisdiction   (Commission File     (IRS Employer       of Incorporation)                    Number)        Identification No.)</P>


<P ALIGN="CENTER"></P>


<P ALIGN="CENTER">3 Times Square, New York, New York                          10036</P>


<P ALIGN="CENTER">-----------------------------------------------------------------------(Address of Principal Executive Offices)                 (Zip Code)</P>


<P ALIGN="CENTER"></P>


<P ALIGN="CENTER">Registrant's telephone number, including area code: 212-310-9500</P>


<P ALIGN="CENTER"></P>


<P ALIGN="CENTER">Not Applicable</P>


<P ALIGN="CENTER">-----------------------------------------------------------------------</P>


<P ALIGN="CENTER">(Former Name or Former Address, if Changed Since Last Report)</P>


<P ALIGN="CENTER"></P>


<P>Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):</P>





<P>_ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)</P>





<P>_ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)</P>





<P>_ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))</P>





<P>_ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))</P>





<P>&nbsp;</P>


<P>ITEM 2.02. RESULTS OF OPERATIONS AND FINANCIAL CONDITION.</P>





<P>On February 4, 2005, Instinet Group Incorporated ("Instinet") issued a press release announcing its fourth quarter 2004 and full year 2004 results. The press release is attached hereto as Exhibit 99.1.</P>





<P ALIGN="CENTER">&nbsp;</P>


<P ALIGN="CENTER">SIGNATURES</P>





<P>Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned thereto duly authorized.</P>





<P>                                           INSTINET GROUP INCORPORATED</P>


<P>                                                    Registrant</P>





<P>Date: February 4, 2005</P>


<P>                                            By: /s/ John F. Fay</P>


<P>                                               ------------------------</P>


<P>                                               John F. Fay</P>


<P>                                               Chief Financial Officer</P>





<P ALIGN="CENTER">&nbsp;</P>


<P ALIGN="CENTER">EXHIBIT INDEX</P>





<P>&nbsp;</P>


<P>EXHIBIT NUMBER                  DESCRIPTION</P>


<P>--------------                  -----------</P>


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<P>99.1        Press Release of Instinet Group Incorporated issued February 4, 2005: Instinet Group Announces Fourth Quarter and 2004 Earnings</P>





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{"company-data": {"conformed-name": "INSTINET GROUP INC", "cik": "0001132327", "assigned-sic": "6211", "irs-number": "134134098", "state-of-incorporation": "DE", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "000-32717", "film-number": "05575489"}, "business-address": {"street1": "3 TIME SQUARE", "city": "NEW YORK", "state": "NY", "zip": "10022", "phone": "2123109500"}, "mail-address": {"street1": "3 TIME SQUARE", "city": "NEW YORK", "state": "NY", "zip": "10022"}, "former-company": [{"former-conformed-name": "INSTINET GROUP LLC", "date-changed": "20010207"}, {"former-conformed-name": "INSTINCT GROUP LLC", "date-changed": "20010110"}]}
<DOCUMENT>
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
-----------------------
FORM 8-K
-----------------------
CURRENT REPORT
PURSUANT TO SECTION 13 OR 15 (d) OF THE
SECURITIES EXCHANGE ACT OF 1934
Date of report (Date of earliest event reported): February 4, 2005
Instinet Group Incorporated
-----------------------------------------------------------------------
(Exact Name of Registrant as Specified in Charter)
Delaware                      000-32717              13-4134098
---------------------------------------------------------------------(State or Other Jurisdiction   (Commission File     (IRS Employer       of Incorporation)                    Number)        Identification No.)
3 Times Square, New York, New York                          10036
-----------------------------------------------------------------------(Address of Principal Executive Offices)                 (Zip Code)
Registrant's telephone number, including area code: 212-310-9500
Not Applicable
-----------------------------------------------------------------------
(Former Name or Former Address, if Changed Since Last Report)
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):
_ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
_ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
_ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
_ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
ITEM 2.02. RESULTS OF OPERATIONS AND FINANCIAL CONDITION.
On February 4, 2005, Instinet Group Incorporated ("Instinet") issued a press release announcing its fourth quarter 2004 and full year 2004 results. The press release is attached hereto as Exhibit 99.1.
SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned thereto duly authorized.
INSTINET GROUP INCORPORATED
Registrant
Date: February 4, 2005
By: /s/ John F. Fay
------------------------
John F. Fay
Chief Financial Officer
EXHIBIT INDEX
EXHIBIT NUMBER                  DESCRIPTION
--------------                  -----------
99.1        Press Release of Instinet Group Incorporated issued February 4, 2005: Instinet Group Announces Fourth Quarter and 2004 Earnings