<SEC-DOCUMENT>0001532155-25-000039.txt : 20250205
<SEC-HEADER>0001532155-25-000039.hdr.sgml : 20250205
<ACCEPTANCE-DATETIME>20250205163122
ACCESSION NUMBER:		0001532155-25-000039
CONFORMED SUBMISSION TYPE:	SCHEDULE 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20250205

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SEMTECH CORP
		CENTRAL INDEX KEY:			0000088941
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		ORGANIZATION NAME:           	04 Manufacturing
		IRS NUMBER:				952119684
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0126

	FILING VALUES:
		FORM TYPE:		SCHEDULE 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-20525
		FILM NUMBER:		25593790

	BUSINESS ADDRESS:	
		STREET 1:		200 FLYNN ROAD
		CITY:			CAMARILLO
		STATE:			CA
		ZIP:			93012-8790
		BUSINESS PHONE:		8054982111

	MAIL ADDRESS:	
		STREET 1:		200 FLYNN ROAD
		CITY:			CAMARILLO
		STATE:			CA
		ZIP:			93012-8790

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ALLIANCEBERNSTEIN L.P.
		CENTRAL INDEX KEY:			0001109448
		STANDARD INDUSTRIAL CLASSIFICATION:	INVESTMENT ADVICE [6282]
		ORGANIZATION NAME:           	02 Finance
		IRS NUMBER:				134064930
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SCHEDULE 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		501 COMMERCE STREET
		CITY:			NASHVILLE
		STATE:			TN
		ZIP:			37203
		BUSINESS PHONE:		6156220000

	MAIL ADDRESS:	
		STREET 1:		501 COMMERCE STREET
		CITY:			NASHVILLE
		STATE:			TN
		ZIP:			37203

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ALLIANCE CAPITAL MANAGEMENT L P
		DATE OF NAME CHANGE:	20000316
</SEC-HEADER>
<DOCUMENT>
<TYPE>SCHEDULE 13G/A
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/schedule13g" xmlns:com="http://www.sec.gov/edgar/common">
  <headerData>
    <submissionType>SCHEDULE 13G/A</submissionType>
    <previousAccessionNumber>0001109448-25-000001</previousAccessionNumber>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001109448</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <coverPageHeader>
      <amendmentNo>1</amendmentNo>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <eventDateRequiresFilingThisStatement>12/31/2024</eventDateRequiresFilingThisStatement>
      <issuerInfo>
        <issuerCik>0000088941</issuerCik>
        <issuerName>Semtech Corp</issuerName>
        <issuerCusip>816850101</issuerCusip>
        <issuerPrincipalExecutiveOfficeAddress>
          <com:street1>200 FLYNN ROAD</com:street1>
          <com:city>CAMARILLO</com:city>
          <com:stateOrCountry>X1</com:stateOrCountry>
          <com:zipCode>93012-8790</com:zipCode>
        </issuerPrincipalExecutiveOfficeAddress>
      </issuerInfo>
      <designateRulesPursuantThisScheduleFiled>
        <designateRulePursuantThisScheduleFiled>Rule 13d-1(b)</designateRulePursuantThisScheduleFiled>
      </designateRulesPursuantThisScheduleFiled>
    </coverPageHeader>
    <coverPageHeaderReportingPersonDetails>

      <reportingPersonName>AllianceBernstein L.P.</reportingPersonName>
      <memberGroup>b</memberGroup>
      <citizenshipOrOrganization>DE</citizenshipOrOrganization>
      <reportingPersonBeneficiallyOwnedNumberOfShares>
        <soleVotingPower>3056995</soleVotingPower>
        <sharedVotingPower>0</sharedVotingPower>
        <soleDispositivePower>3282059</soleDispositivePower>
        <sharedDispositivePower>26886</sharedDispositivePower>
      </reportingPersonBeneficiallyOwnedNumberOfShares>
      <reportingPersonBeneficiallyOwnedAggregateNumberOfShares>3308945.00</reportingPersonBeneficiallyOwnedAggregateNumberOfShares>
      <aggregateAmountExcludesCertainSharesFlag>Y</aggregateAmountExcludesCertainSharesFlag>
      <classPercent>3.9</classPercent>
      <typeOfReportingPerson>IA</typeOfReportingPerson>
    </coverPageHeaderReportingPersonDetails>
    <items>
      <item1>
        <issuerName>Semtech Corp</issuerName>
        <issuerPrincipalExecutiveOfficeAddress>200 FLYNN ROAD, CAMARILLO, CA 93012-8790</issuerPrincipalExecutiveOfficeAddress>
      </item1>
      <item2>
        <filingPersonName>AllianceBernstein L.P. ("AllianceBernstein L.P.")</filingPersonName>
        <principalBusinessOfficeOrResidenceAddress>501 Commerce Street, Nashville, TN  37203
All media outlets, please contact Jennifer Will at AllianceBernstein (212-969-1157) with any questions. All other questions can be directed to Section13USFilings@alliancebernstein.com.</principalBusinessOfficeOrResidenceAddress>
        <citizenship>Delaware</citizenship>
      </item2>
      <item3>
        <notApplicableFlag>N</notApplicableFlag>
        <typeOfPersonFiling>IA</typeOfPersonFiling>
      </item3>
      <item4>
        <amountBeneficiallyOwned>3,308,945 shares acquired solely for investment purposes on behalf of client discretionary investment advisory accounts.*

*AllianceBernstein L.P. is a majority owned subsidiary of Equitable Holdings, Inc. ("EQH"). AllianceBernstein operates under independent management and makes independent decisions from EQH and its respective subsidiaries, and EQH calculates and reports beneficial ownership separately from AllianceBernstein pursuant to guidance provided by the Securities and Exchange Commission in Release Number 34-39538 (January 12, 1998).</amountBeneficiallyOwned>
        <classPercent>3.9</classPercent>
        <numberOfSharesPersonHas>
          <solePowerOrDirectToVote>3,056,995</solePowerOrDirectToVote>
          <sharedPowerOrDirectToVote>0</sharedPowerOrDirectToVote>
          <solePowerOrDirectToDispose>3,282,059</solePowerOrDirectToDispose>
          <sharedPowerOrDirectToDispose>26,886</sharedPowerOrDirectToDispose>
        </numberOfSharesPersonHas>
      </item4>
      <item5>
        <classOwnership5PercentOrLess>Y</classOwnership5PercentOrLess>
      </item5>
      <item6>
        <notApplicableFlag>Y</notApplicableFlag>
      </item6>
      <item7>
        <notApplicableFlag>Y</notApplicableFlag>
      </item7>
      <item8>
        <notApplicableFlag>Y</notApplicableFlag>
      </item8>
      <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 ?? 240.14a-11.</certifications>
      </item10>
    </items>
    <signatureInformation>
      <reportingPersonName>AllianceBernstein L.P.</reportingPersonName>
      <signatureDetails>
        <signature>Melissa Guerra</signature>
        <title>Vice President</title>
        <date>02/05/2025</date>
      </signatureDetails>
    </signatureInformation>
  </formData>
</edgarSubmission>
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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
