-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
 OrMGGgHYsqdaAAyUSIuVzuYUBNGbayvUWAqcwwDBYQsNDHQPMiUbknWd3Y8tf8QM
 FurPgS+wjUR7mHFIEj1wYQ==

<SEC-DOCUMENT>0000950138-03-000729.txt : 20031231
<SEC-HEADER>0000950138-03-000729.hdr.sgml : 20031231
<ACCEPTANCE-DATETIME>20031231160811
ACCESSION NUMBER:		0000950138-03-000729
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20031229
FILED AS OF DATE:		20031231

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

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MAYER STEVEN T
		CENTRAL INDEX KEY:			0001091431
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0331

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-15839
		FILM NUMBER:		031080682

	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:		3100 OCEAN PARK BLVD
		CITY:			SANTA MONICA
		STATE:			CA
		ZIP:			90405
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>dec_mayer-4ex.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<!-- - EDGAR Ease Plus 1.0                                   07/25/03  TT    -->
<ownershipDocument>
    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType>
   <periodOfReport>2003-12-29</periodOfReport>
   <notSubjectToSection16>1</notSubjectToSection16>
    <issuer>
        <issuerCik>0000718877</issuerCik>
        <issuerName>ACTIVISION INC /NY</issuerName>
        <issuerTradingSymbol>ATVI</issuerTradingSymbol>
   </issuer>
   <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001091431</rptOwnerCik>
            <rptOwnerName>MAYER STEVEN T</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>3100 OCEAN PARK BLVD</rptOwnerStreet1>
            <rptOwnerStreet2>STE 1000</rptOwnerStreet2>
            <rptOwnerCity>SANTA MONICA</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>90405</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
         <isDirector>0</isDirector>
         <isOfficer>0</isOfficer>
         <isTenPercentOwner>0</isTenPercentOwner>
         <isOther>1</isOther>
         <otherText>Former Director</otherText>
      </reportingOwnerRelationship>
   </reportingOwner>
 <nonDerivativeTable>
   <nonDerivativeTransaction>
      <securityTitle>
         <value>Common Stock, par value $.000001 per share</value>
      </securityTitle>
      <transactionDate>
         <value>2003-12-29</value>
      </transactionDate>
      <transactionCoding>
         <transactionFormType>4</transactionFormType>
         <transactionCode>M</transactionCode>
         <equitySwapInvolved>0</equitySwapInvolved>
      </transactionCoding>
      <transactionAmounts>
         <transactionShares>
           <value>20000</value>
         </transactionShares>
         <transactionPricePerShare>
           <value>2.8888</value>
         </transactionPricePerShare>
         <transactionAcquiredDisposedCode>
           <value>A</value>
         </transactionAcquiredDisposedCode>
      </transactionAmounts>
      <postTransactionAmounts>
         <sharesOwnedFollowingTransaction>
           <value>20322</value>
         </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
         <directOrIndirectOwnership>
            <value>D</value>
         </directOrIndirectOwnership>
      </ownershipNature>
   </nonDerivativeTransaction>
   <nonDerivativeTransaction>
      <securityTitle>
         <value>Common Stock, par value $.000001 per share</value>
      </securityTitle>
      <transactionDate>
         <value>2003-12-29</value>
      </transactionDate>
      <transactionCoding>
         <transactionFormType>4</transactionFormType>
         <transactionCode>S</transactionCode>
         <equitySwapInvolved>0</equitySwapInvolved>
      </transactionCoding>
      <transactionAmounts>
         <transactionShares>
           <value>20000</value>
         </transactionShares>
         <transactionPricePerShare>
           <value>18.70</value>
         </transactionPricePerShare>
         <transactionAcquiredDisposedCode>
           <value>D</value>
         </transactionAcquiredDisposedCode>
      </transactionAmounts>
      <postTransactionAmounts>
         <sharesOwnedFollowingTransaction>
           <value>322</value>
         </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
         <directOrIndirectOwnership>
            <value>D</value>
         </directOrIndirectOwnership>
      </ownershipNature>
   </nonDerivativeTransaction>
   <nonDerivativeTransaction>
      <securityTitle>
         <value>Common Stock, par value $.000001 per share</value>
      </securityTitle>
      <transactionDate>
         <value>2003-12-29</value>
      </transactionDate>
      <transactionCoding>
         <transactionFormType>4</transactionFormType>
         <transactionCode>M</transactionCode>
         <equitySwapInvolved>0</equitySwapInvolved>
      </transactionCoding>
      <transactionAmounts>
         <transactionShares>
           <value>20500</value>
         </transactionShares>
         <transactionPricePerShare>
           <value>2.8888</value>
         </transactionPricePerShare>
         <transactionAcquiredDisposedCode>
           <value>A</value>
         </transactionAcquiredDisposedCode>
      </transactionAmounts>
      <postTransactionAmounts>
         <sharesOwnedFollowingTransaction>
           <value>20822</value>
         </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
         <directOrIndirectOwnership>
            <value>D</value>
         </directOrIndirectOwnership>
      </ownershipNature>
   </nonDerivativeTransaction>
   <nonDerivativeTransaction>
      <securityTitle>
         <value>Common Stock, par value $.000001 per share</value>
      </securityTitle>
      <transactionDate>
         <value>2003-12-29</value>
      </transactionDate>
      <transactionCoding>
         <transactionFormType>4</transactionFormType>
         <transactionCode>S</transactionCode>
         <equitySwapInvolved>0</equitySwapInvolved>
      </transactionCoding>
      <transactionAmounts>
         <transactionShares>
           <value>20500</value>
         </transactionShares>
         <transactionPricePerShare>
           <value>18.7345</value>
         </transactionPricePerShare>
         <transactionAcquiredDisposedCode>
           <value>D</value>
         </transactionAcquiredDisposedCode>
      </transactionAmounts>
      <postTransactionAmounts>
         <sharesOwnedFollowingTransaction>
           <value>322</value>
         </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
         <directOrIndirectOwnership>
            <value>D</value>
         </directOrIndirectOwnership>
      </ownershipNature>
   </nonDerivativeTransaction>
 </nonDerivativeTable>
 <derivativeTable>
   <derivativeTransaction>
      <securityTitle>
         <value>Employee Stock Options</value>
      </securityTitle>
      <conversionOrExercisePrice>
         <value>2.8888</value>
      </conversionOrExercisePrice>
      <transactionDate>
         <value>2003-12-29</value>
      </transactionDate>
      <transactionCoding>
         <transactionFormType>4</transactionFormType>
         <transactionCode>M</transactionCode>
         <equitySwapInvolved>0</equitySwapInvolved>
      </transactionCoding>
      <transactionAmounts>
         <transactionShares>
           <value>40500</value>
         </transactionShares>
         <transactionPricePerShare>
           <value>0</value>
         </transactionPricePerShare>
         <transactionAcquiredDisposedCode>
           <value>D</value>
         </transactionAcquiredDisposedCode>
      </transactionAmounts>
      <exerciseDate>
         <value>2001-05-19</value>
            <footnoteId id="F1"/>
      </exerciseDate>
      <expirationDate>
         <value>2010-05-18</value>
      </expirationDate>
      <underlyingSecurity>
         <underlyingSecurityTitle>
           <value>Common Stock</value>
         </underlyingSecurityTitle>
         <underlyingSecurityShares>
           <value>40500</value>
         </underlyingSecurityShares>
      </underlyingSecurity>
      <postTransactionAmounts>
         <sharesOwnedFollowingTransaction>
           <value>0</value>
         </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
         <directOrIndirectOwnership>
           <value>D</value>
         </directOrIndirectOwnership>
      </ownershipNature>
   </derivativeTransaction>
 </derivativeTable>
   <footnotes>
      <footnote id="F1"> The option vested in three equal annual installments beginning on May 19, 2001.</footnote>
   </footnotes>
   <ownerSignature>
      <signatureName>/s/ Steven T. Mayer</signatureName>
      <signatureDate>2003-12-30</signatureDate>
   </ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----