<SEC-DOCUMENT>0001418660-25-000035.txt : 20250814
<SEC-HEADER>0001418660-25-000035.hdr.sgml : 20250814
<ACCEPTANCE-DATETIME>20250814144000
ACCESSION NUMBER:		0001418660-25-000035
CONFORMED SUBMISSION TYPE:	SCHEDULE 13G
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20250814
DATE AS OF CHANGE:		20250814

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			WESTERN DIGITAL CORP
		CENTRAL INDEX KEY:			0000106040
		STANDARD INDUSTRIAL CLASSIFICATION:	COMPUTER STORAGE DEVICES [3572]
		ORGANIZATION NAME:           	06 Technology
		EIN:				330956711
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0703

	FILING VALUES:
		FORM TYPE:		SCHEDULE 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-18405
		FILM NUMBER:		251217645

	BUSINESS ADDRESS:	
		STREET 1:		5601 GREAT OAKS PARKWAY
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95119
		BUSINESS PHONE:		9496727000

	MAIL ADDRESS:	
		STREET 1:		3355 MICHELSON DRIVE SUITE 100
		CITY:			IRVINE
		STATE:			CA
		ZIP:			92612

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	GENERAL DIGITAL CORP
		DATE OF NAME CHANGE:	19730125

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MANAGED ACCOUNT ADVISORS LLC
		CENTRAL INDEX KEY:			0001418660
		ORGANIZATION NAME:           	
		EIN:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1228

	FILING VALUES:
		FORM TYPE:		SCHEDULE 13G

	BUSINESS ADDRESS:	
		STREET 1:		101 HUDSON STREET
		CITY:			JERSEY CITY
		STATE:			NJ
		ZIP:			07302
		BUSINESS PHONE:		201-557-4069

	MAIL ADDRESS:	
		STREET 1:		101 HUDSON STREET
		CITY:			JERSEY CITY
		STATE:			NJ
		ZIP:			07302

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MANAGED ACCOUNT ADVISORS, LLC
		DATE OF NAME CHANGE:	20141114

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MANAGED ACCOUNT ADVISORS LLC
		DATE OF NAME CHANGE:	20071115
</SEC-HEADER>
<DOCUMENT>
<TYPE>SCHEDULE 13G
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
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    <submissionType>SCHEDULE 13G</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001418660</cik>
          <ccc>XXXXXXXX</ccc>
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      <liveTestFlag>LIVE</liveTestFlag>



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  </headerData>
  <formData>
    <coverPageHeader>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <eventDateRequiresFilingThisStatement>06/30/2025</eventDateRequiresFilingThisStatement>
      <issuerInfo>
        <issuerCik>0000106040</issuerCik>
        <issuerName>WESTERN DIGITAL CORP</issuerName>
        <issuerCusip>958102105</issuerCusip>
        <issuerPrincipalExecutiveOfficeAddress>
          <com:street1>5601 GREAT OAKS PARKWAY</com:street1>
          <com:city>SAN JOSE</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>95119</com:zipCode>
        </issuerPrincipalExecutiveOfficeAddress>
      </issuerInfo>
      <designateRulesPursuantThisScheduleFiled>
        <designateRulePursuantThisScheduleFiled>Rule 13d-1(b)</designateRulePursuantThisScheduleFiled>
      </designateRulesPursuantThisScheduleFiled>
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      <reportingPersonName>MANAGED ACCOUNT ADVISORS LLC</reportingPersonName>
      <memberGroup>b</memberGroup>
      <citizenshipOrOrganization>DE</citizenshipOrOrganization>
      <reportingPersonBeneficiallyOwnedNumberOfShares>
        <soleVotingPower>0.00</soleVotingPower>
        <sharedVotingPower>0.00</sharedVotingPower>
        <soleDispositivePower>22176462.00</soleDispositivePower>
        <sharedDispositivePower>2504.00</sharedDispositivePower>
      </reportingPersonBeneficiallyOwnedNumberOfShares>
      <reportingPersonBeneficiallyOwnedAggregateNumberOfShares>22178966.00</reportingPersonBeneficiallyOwnedAggregateNumberOfShares>
      <classPercent>6.4</classPercent>
      <typeOfReportingPerson>IV</typeOfReportingPerson>
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      <item1>
        <issuerName>WESTERN DIGITAL CORP</issuerName>
        <issuerPrincipalExecutiveOfficeAddress>5601 GREAT OAKS PARKWAY, SAN JOSE, CALIFORNIA, 95119</issuerPrincipalExecutiveOfficeAddress>
      </item1>
      <item2>
        <filingPersonName>MANAGED ACCOUNT ADVISORS LLC</filingPersonName>
        <principalBusinessOfficeOrResidenceAddress>101 HUDSON STREET
9TH FLOOR
JERSEY CITY, NJ 07302</principalBusinessOfficeOrResidenceAddress>
        <citizenship>Delaware</citizenship>
      </item2>
      <item3>
        <notApplicableFlag>N</notApplicableFlag>
        <typeOfPersonFiling>IA</typeOfPersonFiling>
      </item3>
      <item4>
        <amountBeneficiallyOwned>22,178,966.00</amountBeneficiallyOwned>
        <classPercent>6.4%</classPercent>
        <numberOfSharesPersonHas>
          <solePowerOrDirectToVote>0.00</solePowerOrDirectToVote>
          <sharedPowerOrDirectToVote>0.00</sharedPowerOrDirectToVote>
          <solePowerOrDirectToDispose>22,176,462.00</solePowerOrDirectToDispose>
          <sharedPowerOrDirectToDispose>2,504.00</sharedPowerOrDirectToDispose>
        </numberOfSharesPersonHas>
      </item4>
      <item5>
        <notApplicableFlag>Y</notApplicableFlag>
        <classOwnership5PercentOrLess>N</classOwnership5PercentOrLess>
      </item5>
      <item6>
        <notApplicableFlag>Y</notApplicableFlag>
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      <item7>
        <notApplicableFlag>Y</notApplicableFlag>
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      <item8>
        <notApplicableFlag>Y</notApplicableFlag>
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      <item9>
        <notApplicableFlag>Y</notApplicableFlag>
      </item9>
      <item10>
        <notApplicableFlag>N</notApplicableFlag>
        <certifications>By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under &amp;#167; 240.14a-11.

</certifications>
      </item10>
    </items>
    <signatureInformation>
      <reportingPersonName>MANAGED ACCOUNT ADVISORS LLC</reportingPersonName>
      <signatureDetails>
        <signature>John Capelli</signature>
        <title>Authorized Signatory</title>
        <date>08/13/2025</date>
      </signatureDetails>
    </signatureInformation>
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</SEC-DOCUMENT>
