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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 BFpf+F5XXiboiPKDX5XXDSVBdZd4zbACr+N4si+nZRrhPfN8n9YyWGlgSJuJ9sCj
 lCXzQ2JLbDbmHSR2WurZDw==

<SEC-DOCUMENT>0001181431-05-024947.txt : 20050503
<SEC-HEADER>0001181431-05-024947.hdr.sgml : 20050503
<ACCEPTANCE-DATETIME>20050503085529
ACCESSION NUMBER:		0001181431-05-024947
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20050430
FILED AS OF DATE:		20050503
DATE AS OF CHANGE:		20050503

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CMGI INC
		CENTRAL INDEX KEY:			0000914712
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-DIRECT MAIL ADVERTISING SERVICES [7331]
		IRS NUMBER:				042921333
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0731

	BUSINESS ADDRESS:	
		STREET 1:		1100 WINTER STREET
		STREET 2:		SUITE 4600
		CITY:			WALTHAM
		STATE:			MA
		ZIP:			02451
		BUSINESS PHONE:		781-663-5001

	MAIL ADDRESS:	
		STREET 1:		1100 WINTER STREET
		STREET 2:		SUITE 4600
		CITY:			WALTHAM
		STATE:			MA
		ZIP:			02451

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CMG INFORMATION SERVICES INC
		DATE OF NAME CHANGE:	19981007

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Breen Virginia G
		CENTRAL INDEX KEY:			0001234117

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-23262
		FILM NUMBER:		05792883

	BUSINESS ADDRESS:	
		STREET 1:		BLUE ROCK CAPITAL
		STREET 2:		230 LACKAWANNA DRIVE
		CITY:			ANDOVER
		STATE:			NJ
		ZIP:			07821
		BUSINESS PHONE:		781-663-5001

	MAIL ADDRESS:	
		STREET 1:		C/O CMGI. INC.
		STREET 2:		1100 WINTER STREET
		CITY:			WALTHAM
		STATE:			MA
		ZIP:			02451

	FORMER NAME:	
		FORMER CONFORMED NAME:	BONKER VIRGINIA G
		DATE OF NAME CHANGE:	20030520
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>rrd77177.xml
<DESCRIPTION>BREEN FORM 4 - 4-30-05
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2005-04-30</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000914712</issuerCik>
        <issuerName>CMGI INC</issuerName>
        <issuerTradingSymbol>CMGI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001234117</rptOwnerCik>
            <rptOwnerName>Breen Virginia G</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O CMGI, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>1100 WINTER STREET</rptOwnerStreet2>
            <rptOwnerCity>WALTHAM</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02451</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Director Stock Option (right to buy)</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>1.76</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2005-04-30</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>24000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2005-05-30</value>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <value>2015-04-30</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>24000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>24000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Annual option automatically granted on April 30, 2005 pursuant to the CMGI Amended and Restated 1999 Stock Option Plan for Non-Employee Directors, as amended.</footnote>
        <footnote id="F2">Option vests and becomes exercisable as to 1/36th of the number of shares subject to the option on each monthly anniversary date of the date of grant provided that the optionee serves as a director on such monthly anniversary date.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Thomas B. Rosedale (pursuant to POA)</signatureName>
        <signatureDate>2005-05-03</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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