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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 28, 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 1.01. Entry into a Material Definitive Agreement.</P>





<P>On March 1, 2005, Instinet Group Incorporated ("Instinet Group")and Reuters, issued a press release announcing that they have entered into a definitive agreement for Instinet Group to acquire Bridge Trading Company, a soft-dollar execution broker, from Reuters for $21.5 million in Instinet Group stock.  The Stock Purchase Agreement was entered into on February 28, 2005.  The press release is attached hereto as Exhibit 99.1.</P>





<P>ITEM 2.06. Material Impairments.</P>





<P>In connection with the transaction described above, there will be historical impairment charges since Bridge is being acquired from our parent, Reuters.  Under the accounting rules (Statement of Financial Accounting Standards (SFAS) 141), this acquisition will be accounted for as if a common control transfer had taken place previously, requiring a retroactive restatement of our historical combined financial statements. We have not yet been able to determine an estimate of the amount or range of amounts of the impairment charge. Once historical impairment testing of the Bridge Trading goodwill is completed, we will be able to disclose an estimate of the amount or range of amounts of the impairment charge.</P>





<P>Item 9.01.  Financial Statements and Exhibits.</P>





<P>(c) Exhibits</P>





<P>Number&#9;Description</P>


<DIR>


<DIR>


<DIR>


<DIR>





<P>99.1        Press Release of Instinet Group Incorporated issued March 1, 2005: Instinet Group to Acquire Bridge Trading from Reuters.</P>


<P>SIGNATURES</P>


</DIR>


</DIR>


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<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: March 2, 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>


<DIR>


<DIR>


<DIR>


<DIR>





<P>99.1        Press Release of Instinet Group Incorporated issued March 1, 2005: Instinet Group to Acquire Bridge Trading from Reuters.</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": "05654931"}, "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 28, 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 1.01. Entry into a Material Definitive Agreement.
On March 1, 2005, Instinet Group Incorporated ("Instinet Group")and Reuters, issued a press release announcing that they have entered into a definitive agreement for Instinet Group to acquire Bridge Trading Company, a soft-dollar execution broker, from Reuters for $21.5 million in Instinet Group stock.  The Stock Purchase Agreement was entered into on February 28, 2005.  The press release is attached hereto as Exhibit 99.1.
ITEM 2.06. Material Impairments.
In connection with the transaction described above, there will be historical impairment charges since Bridge is being acquired from our parent, Reuters.  Under the accounting rules (Statement of Financial Accounting Standards (SFAS) 141), this acquisition will be accounted for as if a common control transfer had taken place previously, requiring a retroactive restatement of our historical combined financial statements. We have not yet been able to determine an estimate of the amount or range of amounts of the impairment charge. Once historical impairment testing of the Bridge Trading goodwill is completed, we will be able to disclose an estimate of the amount or range of amounts of the impairment charge.
Item 9.01.  Financial Statements and Exhibits.
(c) Exhibits
Number	Description
99.1        Press Release of Instinet Group Incorporated issued March 1, 2005: Instinet Group to Acquire Bridge Trading from Reuters.
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: March 2, 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 March 1, 2005: Instinet Group to Acquire Bridge Trading from Reuters.