-----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,
 SmegRLfnnVObTMnuUHwGCqh6HXsneRwmXOFPfoyTfuCpyHjvHGoFeNbABjMCHMhl
 b+9zxeDucafbAmBuRf/HtA==

<SEC-DOCUMENT>0000950138-04-000523.txt : 20040816
<SEC-HEADER>0000950138-04-000523.hdr.sgml : 20040816
<ACCEPTANCE-DATETIME>20040816174411
ACCESSION NUMBER:		0000950138-04-000523
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20040812
FILED AS OF DATE:		20040816

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			HENDERSON KENNETH
		CENTRAL INDEX KEY:			0001144804
		STANDARD INDUSTRIAL CLASSIFICATION:	WHOLESALE-MISCELLANEOUS NONDURABLE GOODS [5190]
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-15839
		FILM NUMBER:		04980168

	BUSINESS ADDRESS:	
		STREET 1:		C/O ACTIVISION INC
		STREET 2:		3100 OCEAN PARK BLVD
		CITY:			SANTA MONICA
		STATE:			CA
		ZIP:			90405

	MAIL ADDRESS:	
		STREET 1:		C/O ACTIVISION INC
		STREET 2:		3100 OCEAN PARK BLVD
		CITY:			SANTA MONICA
		STATE:			CA
		ZIP:			90405

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ACTIVISION INC /NY
		CENTRAL INDEX KEY:			0000718877
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
		IRS NUMBER:				954803544
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0331

	BUSINESS ADDRESS:	
		STREET 1:		3100 OCEAN PARK BLVD
		STREET 2:		STE 1000
		CITY:			SANTA MONICA
		STATE:			CA
		ZIP:			90405
		BUSINESS PHONE:		3102552000

	MAIL ADDRESS:	
		STREET 1:		11601 WILSHIRE BLVD 3RD FL
		STREET 2:		STE 1000
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			90025

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MEDIAGENIC
		DATE OF NAME CHANGE:	19920703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ACTIVISION INC
		DATE OF NAME CHANGE:	19880829
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>aug12_henderson-4ex.xml
<DESCRIPTION>/DATA/ACTIVIS/2004FILINGS/AUG12_HENDERSON
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2004-08-12</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000718877</issuerCik>
        <issuerName>ACTIVISION INC /NY</issuerName>
        <issuerTradingSymbol>ATVI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001144804</rptOwnerCik>
            <rptOwnerName>HENDERSON KENNETH</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O BRYAN CAVE LLP</rptOwnerStreet1>
            <rptOwnerStreet2>1290 AVENUE OF THE AMERICAS</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10104</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, par value $.000001 per share</value>
            </securityTitle>
            <transactionDate>
                <value>2004-08-12</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>13.14</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>3687</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <ownerSignature>
        <signatureName>/s/ Kenneth L. Henderson</signatureName>
        <signatureDate>2004-08-12</signatureDate>
    </ownerSignature>
</ownershipDocument>

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