<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/schedule13g" xmlns:com="http://www.sec.gov/edgar/common">
<schemaVersion>X0202</schemaVersion>
<headerData>
<submissionType>SCHEDULE 13G/A</submissionType>
<filerInfo>
<filer>
<filerCredentials>
<cik>0000869178</cik>
<ccc>XXXXXXXX</ccc>
</filerCredentials>
</filer>
<liveTestFlag>LIVE</liveTestFlag>



</filerInfo>
</headerData>
<formData>
<coverPageHeader>
<amendmentNo>3</amendmentNo>
<securitiesClassTitle>Common Shares</securitiesClassTitle>
<eventDateRequiresFilingThisStatement>03/03/2026</eventDateRequiresFilingThisStatement>
<issuerInfo>
<issuerCik>0001063259</issuerCik>
<issuerName>DENISON MINES CORP.</issuerName>
<issuerCusips>
<issuerCusipNumber>248356107</issuerCusipNumber>
</issuerCusips>
<issuerPrincipalExecutiveOfficeAddress>
<com:street1>40 UNIVERSITY AVE</com:street1>
<com:street2>SUITE 1100</com:street2>
<com:city>TORONTO</com:city>
<com:stateOrCountry>A6</com:stateOrCountry>
<com:zipCode>M5J 1T1</com:zipCode>
</issuerPrincipalExecutiveOfficeAddress>
</issuerInfo>
<designateRulesPursuantThisScheduleFiled>
<designateRulePursuantThisScheduleFiled>Rule 13d-1(b)</designateRulePursuantThisScheduleFiled>
</designateRulesPursuantThisScheduleFiled>
</coverPageHeader>
<coverPageHeaderReportingPersonDetails>

<reportingPersonName>VAN ECK ASSOCIATES CORP</reportingPersonName>
<citizenshipOrOrganization>DE</citizenshipOrOrganization>
<reportingPersonBeneficiallyOwnedNumberOfShares>
<soleVotingPower>89941276</soleVotingPower>
<soleDispositivePower>89941276</soleDispositivePower>
</reportingPersonBeneficiallyOwnedNumberOfShares>
<reportingPersonBeneficiallyOwnedAggregateNumberOfShares>89941276</reportingPersonBeneficiallyOwnedAggregateNumberOfShares>
<aggregateAmountExcludesCertainSharesFlag>N</aggregateAmountExcludesCertainSharesFlag>
<classPercent>10.02</classPercent>
<typeOfReportingPerson>IA</typeOfReportingPerson>
</coverPageHeaderReportingPersonDetails>
<items>
<item1>
<issuerName>DENISON MINES CORP.</issuerName>
<issuerPrincipalExecutiveOfficeAddress>40 UNIVERSITY AVE, SUITE 1100, TORONTO, Ontario, Canada, M5J 1T1</issuerPrincipalExecutiveOfficeAddress>
</item1>
<item2>
<filingPersonName>Van Eck Associates Corporation</filingPersonName>
<principalBusinessOfficeOrResidenceAddress>666 Third Ave, 9th Floor, New York NY 10017</principalBusinessOfficeOrResidenceAddress>
<citizenship>Delaware</citizenship>
</item2>
<item3>
<notApplicableFlag>N</notApplicableFlag>
<typeOfPersonFiling>IA</typeOfPersonFiling>
</item3>
<item4>
<amountBeneficiallyOwned>89941276</amountBeneficiallyOwned>
<classPercent>10.02</classPercent>
<numberOfSharesPersonHas>
<solePowerOrDirectToVote>89941276</solePowerOrDirectToVote>
<solePowerOrDirectToDispose>89941276</solePowerOrDirectToDispose>
</numberOfSharesPersonHas>
</item4>
<item6>
<notApplicableFlag>N</notApplicableFlag>
<ownershipMoreThan5PercentOnBehalfOfAnotherPerson>The VanEck Uranium and Nuclear ETF, an investment company registered under the Investment Company Act of 1940, has the right to receive dividends and proceeds from the sale of 73,093,952 of the shares reported by Van Eck Associates Corp</ownershipMoreThan5PercentOnBehalfOfAnotherPerson>
</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>VAN ECK ASSOCIATES CORP</reportingPersonName>
<signatureDetails>
<signature>Ashley Sousa</signature>
<title>Assistant Vice President, Van Eck Associates Corporation</title>
<date>04/02/2026</date>
</signatureDetails>
</signatureInformation>
</formData>
</edgarSubmission>
