<?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</submissionType>
		<filerInfo>
			<filer>
				<filerCredentials>
					<cik>0001304857</cik>
					<ccc>XXXXXXXX</ccc>
				</filerCredentials>
			</filer>
			<liveTestFlag>LIVE</liveTestFlag>


		</filerInfo>
	</headerData>
	<formData>
		<coverPageHeader>
			<securitiesClassTitle>Class A ordinary shares, par value $0.0001 per share</securitiesClassTitle>
			<eventDateRequiresFilingThisStatement>05/15/2025</eventDateRequiresFilingThisStatement>
			<issuerInfo>
				<issuerCik>0002007825</issuerCik>
				<issuerName>Churchill Capital Corp X</issuerName>
				<issuerCusip>G2130T108</issuerCusip>
				<issuerPrincipalExecutiveOfficeAddress>
					<com:street1>640 Fifth Avenue, 12th Floor</com:street1>
					<com:city>New York</com:city>
					<com:stateOrCountry>NY</com:stateOrCountry>
					<com:zipCode>10019</com:zipCode>
				</issuerPrincipalExecutiveOfficeAddress>
			</issuerInfo>
			<designateRulesPursuantThisScheduleFiled>
				<designateRulePursuantThisScheduleFiled>Rule 13d-1(c)</designateRulePursuantThisScheduleFiled>
			</designateRulesPursuantThisScheduleFiled>
		</coverPageHeader>
		<coverPageHeaderReportingPersonDetails>


			<reportingPersonName>MMCAP International Inc. SPC</reportingPersonName>
			<memberGroup>a</memberGroup>
			<citizenshipOrOrganization>E9</citizenshipOrOrganization>
			<reportingPersonBeneficiallyOwnedNumberOfShares>
				<soleVotingPower>0</soleVotingPower>
				<sharedVotingPower>2000000</sharedVotingPower>
				<soleDispositivePower>0</soleDispositivePower>
				<sharedDispositivePower>2000000</sharedDispositivePower>
			</reportingPersonBeneficiallyOwnedNumberOfShares>
			<reportingPersonBeneficiallyOwnedAggregateNumberOfShares>2000000</reportingPersonBeneficiallyOwnedAggregateNumberOfShares>
			<classPercent>5.51</classPercent>
			<typeOfReportingPerson>CO</typeOfReportingPerson>
		</coverPageHeaderReportingPersonDetails>
		<coverPageHeaderReportingPersonDetails>

			<reportingPersonName>MM Asset Management Inc.</reportingPersonName>
			<memberGroup>a</memberGroup>
			<citizenshipOrOrganization>A6</citizenshipOrOrganization>
			<reportingPersonBeneficiallyOwnedNumberOfShares>
				<soleVotingPower>0</soleVotingPower>
				<sharedVotingPower>2000000</sharedVotingPower>
				<soleDispositivePower>0</soleDispositivePower>
				<sharedDispositivePower>2000000</sharedDispositivePower>
			</reportingPersonBeneficiallyOwnedNumberOfShares>
			<reportingPersonBeneficiallyOwnedAggregateNumberOfShares>2000000</reportingPersonBeneficiallyOwnedAggregateNumberOfShares>
			<classPercent>5.51</classPercent>
			<typeOfReportingPerson>CO</typeOfReportingPerson>
		</coverPageHeaderReportingPersonDetails>
		<items>
			<item1>
				<issuerName>Churchill Capital Corp X</issuerName>
				<issuerPrincipalExecutiveOfficeAddress>640 Fifth Avenue, 12th Floor, New York, NEW YORK 10019</issuerPrincipalExecutiveOfficeAddress>
			</item1>
			<item2>
				<filingPersonName>MMCAP International Inc. SPC

MM Asset Management Inc.</filingPersonName>
				<principalBusinessOfficeOrResidenceAddress>c/o Mourant Governance Services (Cayman) Limited
     94 Solaris Avenue
     Camana Bay, P.O. Box 1348
     Grand Cayman, KY1-1108, Cayman Islands

161 Bay Street,
TD Canada Trust Tower, Suite 2240,
Toronto, ON M5J 2S1 Canada</principalBusinessOfficeOrResidenceAddress>
				<citizenship>Cayman Islands

Ontario, Canada</citizenship>
			</item2>
			<item3>
				<notApplicableFlag>Y</notApplicableFlag>
			</item3>
			<item4>
				<amountBeneficiallyOwned>2,000,000</amountBeneficiallyOwned>
				<classPercent>5.51</classPercent>
				<numberOfSharesPersonHas>
					<solePowerOrDirectToVote>0</solePowerOrDirectToVote>
					<sharedPowerOrDirectToVote>2,000,000</sharedPowerOrDirectToVote>
					<solePowerOrDirectToDispose>0</solePowerOrDirectToDispose>
					<sharedPowerOrDirectToDispose>2,000,000</sharedPowerOrDirectToDispose>
				</numberOfSharesPersonHas>
			</item4>
			<item5>
				<notApplicableFlag>Y</notApplicableFlag>
			</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 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>
		<exhibitInfo>Exhibit  1 -  Joint Filing Agreement</exhibitInfo>
		<signatureInformation>
			<reportingPersonName>MMCAP International Inc. SPC</reportingPersonName>
			<signatureDetails>
				<signature>/s/ Ulla Vestergaard</signature>
				<title>Director</title>
				<date>05/20/2025</date>
			</signatureDetails>
		</signatureInformation>
		<signatureInformation>
			<reportingPersonName>MM Asset Management Inc.</reportingPersonName>
			<signatureDetails>
				<signature>/s/ Hillel Meltz</signature>
				<title>President</title>
				<date>05/20/2025</date>
			</signatureDetails>
		</signatureInformation>
	</formData>

</edgarSubmission>
