-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 UV3etu6jqvMNnk8mWHRaWJNdtvD49hxXHz/Fhr6jJ11j78Re5mNjQxXJ0V4jJMUM
 wLidsMtvQSVZumOzh6yCKQ==

<SEC-DOCUMENT>0001181431-03-030834.txt : 20031113
<SEC-HEADER>0001181431-03-030834.hdr.sgml : 20031113
<ACCEPTANCE-DATETIME>20031113155930
ACCESSION NUMBER:		0001181431-03-030834
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20031110
FILED AS OF DATE:		20031113

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			INSTINET GROUP INC
		CENTRAL INDEX KEY:			0001132327
		STANDARD INDUSTRIAL CLASSIFICATION:	SECURITY BROKERS, DEALERS & FLOTATION COMPANIES [6211]
		IRS NUMBER:				134134098
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		3 TIME SQUARE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022
		BUSINESS PHONE:		2123109500

	MAIL ADDRESS:	
		STREET 1:		3 TIME SQUARE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	INSTINET GROUP LLC
		DATE OF NAME CHANGE:	20010207

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	INSTINCT GROUP LLC
		DATE OF NAME CHANGE:	20010110

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			BCIP ASSOCIATES II
		CENTRAL INDEX KEY:			0001114986

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-32717
		FILM NUMBER:		03998124

	BUSINESS ADDRESS:	
		STREET 1:		111 HUNTINGTON AVE
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02110
		BUSINESS PHONE:		6175162000

	MAIL ADDRESS:	
		STREET 1:		111 HUNTINGTON AVE
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02110
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>rrd22747.xml
<TEXT>
<XML>
<?xml version="1.0"?><ownershipDocument>
    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType><periodOfReport>2003-11-10</periodOfReport><notSubjectToSection16>0</notSubjectToSection16>
    <issuer>
        <issuerCik>0001132327</issuerCik>
        <issuerName>INSTINET GROUP INC</issuerName>
        <issuerTradingSymbol>INGP</issuerTradingSymbol></issuer><reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001114986</rptOwnerCik>
            <rptOwnerName>BCIP ASSOCIATES II</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O BAIN CAPITAL INVESTORS, LLC</rptOwnerStreet1>
            <rptOwnerStreet2>111 HUNTINGTON AVENUE</rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02199</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
<isDirector>0</isDirector><isOfficer>0</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>1</isOther><otherText>Member of 13(d) Group over 10%</otherText></reportingOwnerRelationship></reportingOwner><nonDerivativeTable><nonDerivativeTransaction><securityTitle><value>Common Stock, par value $0.01</value></securityTitle><transactionDate><value>2003-11-10</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>S</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionShares><value>46446</value></transactionShares><transactionPricePerShare><value>6</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>D</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>355336</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwner
ship></ownershipNature></nonDerivativeTransaction></nonDerivativeTable><ownerSignature><signatureName>BCIP ASSOCIATES II</signatureName><signatureDate>2003-11-13</signatureDate></ownerSignature><ownerSignature><signatureName>By Bain Capital Investors, LLC, its managing partner</signatureName><signatureDate>2003-11-13</signatureDate></ownerSignature><ownerSignature><signatureName>By Stephen G. Pagliuca, Managing Member</signatureName><signatureDate>2003-11-13</signatureDate></ownerSignature></ownershipDocument>



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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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