<SEC-DOCUMENT>0000905148-25-002004.txt : 20250605
<SEC-HEADER>0000905148-25-002004.hdr.sgml : 20250605
<ACCEPTANCE-DATETIME>20250605105748
ACCESSION NUMBER:		0000905148-25-002004
CONFORMED SUBMISSION TYPE:	SCHEDULE 13G
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20250605
DATE AS OF CHANGE:		20250605

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ATS Corp /ATS
		CENTRAL INDEX KEY:			0001394832
		STANDARD INDUSTRIAL CLASSIFICATION:	GENERAL INDUSTRIAL MACHINERY & EQUIPMENT, NEC [3569]
		ORGANIZATION NAME:           	06 Technology
		EIN:				980149239
		STATE OF INCORPORATION:			A6
		FISCAL YEAR END:			0331

	FILING VALUES:
		FORM TYPE:		SCHEDULE 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-91195
		FILM NUMBER:		251026125

	BUSINESS ADDRESS:	
		STREET 1:		730 FOUNTAIN STREET NORTH
		STREET 2:		BUILDING #3
		CITY:			CAMBRIDGE
		STATE:			A6
		ZIP:			N3H 4R7
		BUSINESS PHONE:		519 653 6500

	MAIL ADDRESS:	
		STREET 1:		730 FOUNTAIN STREET NORTH
		STREET 2:		BUILDING #3
		CITY:			CAMBRIDGE
		STATE:			A6
		ZIP:			N3H 4R7

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ATS Automation Tooling Systems Inc.
		DATE OF NAME CHANGE:	20070328

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Turtle Creek Asset Management Inc.
		CENTRAL INDEX KEY:			0001484148
		ORGANIZATION NAME:           	
		EIN:				000000000
		STATE OF INCORPORATION:			Z4
		FISCAL YEAR END:			1109

	FILING VALUES:
		FORM TYPE:		SCHEDULE 13G

	BUSINESS ADDRESS:	
		STREET 1:		SCOTIA PLAZA
		STREET 2:		40 KING STREET WEST, SUITE 5100
		CITY:			TORONTO
		STATE:			A6
		ZIP:			M5H 3Y2
		BUSINESS PHONE:		(416) 363-7400

	MAIL ADDRESS:	
		STREET 1:		SCOTIA PLAZA
		STREET 2:		40 KING STREET WEST, SUITE 5100
		CITY:			TORONTO
		STATE:			A6
		ZIP:			M5H 3Y2
</SEC-HEADER>
<DOCUMENT>
<TYPE>SCHEDULE 13G
<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</submissionType>
<filerInfo>
<filer>
<filerCredentials>
<cik>0001484148</cik>
<ccc>XXXXXXXX</ccc>
</filerCredentials>
</filer>
<liveTestFlag>LIVE</liveTestFlag>



</filerInfo>
</headerData>
<formData>
<coverPageHeader>
<securitiesClassTitle>Common Shares</securitiesClassTitle>
<eventDateRequiresFilingThisStatement>09/30/2024</eventDateRequiresFilingThisStatement>
<issuerInfo>
<issuerCik>0001394832</issuerCik>
<issuerName>ATS Corp /ATS</issuerName>
<issuerCusip>00217Y104</issuerCusip>
<issuerPrincipalExecutiveOfficeAddress>
<com:street1>730 Fountain Street North</com:street1>
<com:street2>Building 3</com:street2>
<com:city>Cambridge</com:city>
<com:stateOrCountry>A6</com:stateOrCountry>
<com:zipCode>N3H 4R7</com:zipCode>
</issuerPrincipalExecutiveOfficeAddress>
</issuerInfo>
<designateRulesPursuantThisScheduleFiled>
<designateRulePursuantThisScheduleFiled>Rule 13d-1(b)</designateRulePursuantThisScheduleFiled>
</designateRulesPursuantThisScheduleFiled>
</coverPageHeader>
<coverPageHeaderReportingPersonDetails>

<reportingPersonName>Turtle Creek Asset Management Inc.</reportingPersonName>
<citizenshipOrOrganization>Z4</citizenshipOrOrganization>
<reportingPersonBeneficiallyOwnedNumberOfShares>
<soleVotingPower>8906269</soleVotingPower>
<sharedVotingPower>0</sharedVotingPower>
<soleDispositivePower>8906269</soleDispositivePower>
<sharedDispositivePower>0</sharedDispositivePower>
</reportingPersonBeneficiallyOwnedNumberOfShares>
<reportingPersonBeneficiallyOwnedAggregateNumberOfShares>8906269</reportingPersonBeneficiallyOwnedAggregateNumberOfShares>
<aggregateAmountExcludesCertainSharesFlag>N</aggregateAmountExcludesCertainSharesFlag>
<classPercent>9.2</classPercent>
<typeOfReportingPerson>FI</typeOfReportingPerson>
</coverPageHeaderReportingPersonDetails>
<items>
<item1>
<issuerName>ATS Corp /ATS</issuerName>
<issuerPrincipalExecutiveOfficeAddress>730 Fountain Street North, Building 3, Cambridge, Ontario, Canada, N3H 4R7</issuerPrincipalExecutiveOfficeAddress>
</item1>
<item2>
<filingPersonName>This statement on Schedule 13G is being filed by Turtle Creek Asset Management Inc. ("Turtle Creek").</filingPersonName>
<principalBusinessOfficeOrResidenceAddress>Scotia Plaza, 40 King Street West, Suite 5100, Toronto, Ontario M5H 3Y2 Canada</principalBusinessOfficeOrResidenceAddress>
<citizenship>Canada</citizenship>
</item2>
<item3>
<notApplicableFlag>N</notApplicableFlag>
<typeOfPersonFiling>FI</typeOfPersonFiling>
<otherTypeOfPersonFiling>Investment advisor</otherTypeOfPersonFiling>
</item3>
<item4>
<amountBeneficiallyOwned>See the response(s) to Item 9 on the attached cover page.</amountBeneficiallyOwned>
<classPercent>See the response(s) to Item 11 on the attached cover page.</classPercent>
<numberOfSharesPersonHas>
<solePowerOrDirectToVote>See the response(s) to Item 5 on the attached cover page.</solePowerOrDirectToVote>
<sharedPowerOrDirectToVote>See the response(s) to Item 6 on the attached cover page.</sharedPowerOrDirectToVote>
<solePowerOrDirectToDispose>See the response(s) to Item 7 on the attached cover page.</solePowerOrDirectToDispose>
<sharedPowerOrDirectToDispose>See the response(s) to Item 8 on the attached cover page.</sharedPowerOrDirectToDispose>
</numberOfSharesPersonHas>
</item4>
<item5>
<notApplicableFlag>Y</notApplicableFlag>
</item5>
<item6>
<notApplicableFlag>N</notApplicableFlag>
<ownershipMoreThan5PercentOnBehalfOfAnotherPerson>Turtle Creek holds the Common Shares reported herein for the benefit of unit holders of mutual funds managed by Turtle Creek, none of whom is known to Turtle Creek to have an interest of more than 5 percent of the class.</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>Turtle Creek Asset Management Inc.</reportingPersonName>
<signatureDetails>
<signature>/s/ Meaghan Einav</signature>
<title>Meaghan Einav, Chief Compliance Officer</title>
<date>06/05/2025</date>
</signatureDetails>
</signatureInformation>
</formData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
