<SEC-DOCUMENT>0001172661-25-002369.txt : 20250515
<SEC-HEADER>0001172661-25-002369.hdr.sgml : 20250515
<ACCEPTANCE-DATETIME>20250515162238
ACCESSION NUMBER:		0001172661-25-002369
CONFORMED SUBMISSION TYPE:	SCHEDULE 13G
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20250515
DATE AS OF CHANGE:		20250515

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:		25953755

	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:			EdgePoint Investment Group Inc.
		CENTRAL INDEX KEY:			0001481669
		ORGANIZATION NAME:           	
		EIN:				000000000
		FISCAL YEAR END:			0331

	FILING VALUES:
		FORM TYPE:		SCHEDULE 13G

	BUSINESS ADDRESS:	
		STREET 1:		150 BLOOR STREET W SUITE 700
		CITY:			TORONTO
		STATE:			A6
		ZIP:			M5S 2X9
		BUSINESS PHONE:		416-963-9353

	MAIL ADDRESS:	
		STREET 1:		150 BLOOR STREET W SUITE 700
		CITY:			TORONTO
		STATE:			A6
		ZIP:			M5S 2X9

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	EdgePoint Investment Group Inc
		DATE OF NAME CHANGE:	20110126

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	EdgePoint Investment Management Inc
		DATE OF NAME CHANGE:	20100121
</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>
          <!-- Field: Pseudo-Tag; ID: Name; Data: EdgePoint Investment Group Inc. -->
          <cik>0001481669</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <coverPageHeader>
      <securitiesClassTitle>Common shares</securitiesClassTitle>
      <eventDateRequiresFilingThisStatement>03/31/2025</eventDateRequiresFilingThisStatement>
      <issuerInfo>
        <issuerCik>0001394832</issuerCik>
        <issuerName>ATS CORPORATION</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>EdgePoint Investment Group Inc.</reportingPersonName>
      <memberGroup>b</memberGroup>
      <citizenshipOrOrganization>A6</citizenshipOrOrganization>
      <reportingPersonBeneficiallyOwnedNumberOfShares>
        <soleVotingPower>4315771.00</soleVotingPower>
        <sharedVotingPower>702225.00</sharedVotingPower>
        <soleDispositivePower>4315771.00</soleDispositivePower>
        <sharedDispositivePower>702225.00</sharedDispositivePower>
      </reportingPersonBeneficiallyOwnedNumberOfShares>
      <reportingPersonBeneficiallyOwnedAggregateNumberOfShares>5017996.00</reportingPersonBeneficiallyOwnedAggregateNumberOfShares>
      <aggregateAmountExcludesCertainSharesFlag>N</aggregateAmountExcludesCertainSharesFlag>
      <classPercent>5.12</classPercent>
      <typeOfReportingPerson>IA</typeOfReportingPerson>
      <typeOfReportingPerson>FI</typeOfReportingPerson>
    </coverPageHeaderReportingPersonDetails>
    <items>
      <item1>
        <issuerName>ATS CORPORATION</issuerName>
        <issuerPrincipalExecutiveOfficeAddress>730 Fountain Street North, Building 3, Cambridge, Ontario N3H 4R7</issuerPrincipalExecutiveOfficeAddress>
      </item1>
      <item2>
        <filingPersonName>This Schedule 13G is being filed on behalf of EdgePoint Investment Group Inc. ("EdgePoint") with respect to the Common Shares, ("Common Stock") of ATS CORPORATION (the "Issuer").
EdgePoint acts as investment manager to, and exercises investment discretion with respect to the Common Stock directly owned by, a number of private investment funds and mutual fund trusts.</filingPersonName>
        <principalBusinessOfficeOrResidenceAddress>150 Bloor Street West, Suite 700, Toronto, Ontario M5S 2X9, Canada</principalBusinessOfficeOrResidenceAddress>
        <citizenship>Ontario, Canada</citizenship>
      </item2>
      <item3>
        <notApplicableFlag>N</notApplicableFlag>
        <typeOfPersonFiling>IA</typeOfPersonFiling>
        <typeOfPersonFiling>FI</typeOfPersonFiling>
        <otherTypeOfPersonFiling>NA</otherTypeOfPersonFiling>
      </item3>
      <item4>
        <amountBeneficiallyOwned>5017996</amountBeneficiallyOwned>
        <classPercent>5.12%</classPercent>
        <numberOfSharesPersonHas>
          <solePowerOrDirectToVote>4315771</solePowerOrDirectToVote>
          <sharedPowerOrDirectToVote>702225</sharedPowerOrDirectToVote>
          <solePowerOrDirectToDispose>4315771</solePowerOrDirectToDispose>
          <sharedPowerOrDirectToDispose>702225</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 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>EdgePoint Investment Group Inc.</reportingPersonName>
      <signatureDetails>
        <signature>Sayuri Childs</signature>
        <title>Sayuri Childs | Chief Compliance Officer</title>
        <date>05/15/2025</date>
      </signatureDetails>
    </signatureInformation>
  </formData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
