<SEC-DOCUMENT>0000950170-25-071420.txt : 20250514
<SEC-HEADER>0000950170-25-071420.hdr.sgml : 20250514
<ACCEPTANCE-DATETIME>20250514161520
ACCESSION NUMBER:		0000950170-25-071420
CONFORMED SUBMISSION TYPE:	SCHEDULE 13G
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20250514
DATE AS OF CHANGE:		20250514

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Artius II Acquisition Inc.
		CENTRAL INDEX KEY:			0002034334
		STANDARD INDUSTRIAL CLASSIFICATION:	BLANK CHECKS [6770]
		ORGANIZATION NAME:           	05 Real Estate & Construction
		EIN:				000000000
		STATE OF INCORPORATION:			E9
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SCHEDULE 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-94887
		FILM NUMBER:		25945710

	BUSINESS ADDRESS:	
		STREET 1:		3 COLUMBUS CIRCLE
		STREET 2:		SUITE 2215
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019
		BUSINESS PHONE:		212 309 7668

	MAIL ADDRESS:	
		STREET 1:		3 COLUMBUS CIRCLE
		STREET 2:		SUITE 2215
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND
		CENTRAL INDEX KEY:			0001535845
		ORGANIZATION NAME:           	
		EIN:				980377723
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SCHEDULE 13G

	BUSINESS ADDRESS:	
		STREET 1:		1 YORK STREET, SUITE 1900
		CITY:			TORONTO
		STATE:			A6
		ZIP:			M5J 0B6
		BUSINESS PHONE:		1-416-369-9212

	MAIL ADDRESS:	
		STREET 1:		1 YORK STREET, SUITE 1900
		CITY:			TORONTO
		STATE:			A6
		ZIP:			M5J 0B6
</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:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <headerData>
    <submissionType>SCHEDULE 13G</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001535845</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <coverPageHeader>
      <securitiesClassTitle>Class A ordinary shares, $0.0001 par value</securitiesClassTitle>
      <eventDateRequiresFilingThisStatement>03/31/2025</eventDateRequiresFilingThisStatement>
      <issuerInfo>
        <issuerCik>0002034334</issuerCik>
        <issuerName>Artius II Acquisition Inc.</issuerName>
        <issuerCusip>G0509J115</issuerCusip>
        <issuerPrincipalExecutiveOfficeAddress>
          <street1 xmlns="http://www.sec.gov/edgar/common">3 Columbus Circle</street1>
          <street2 xmlns="http://www.sec.gov/edgar/common">Suite 1609</street2>
          <city xmlns="http://www.sec.gov/edgar/common">New York</city>
          <stateOrCountry xmlns="http://www.sec.gov/edgar/common">NY</stateOrCountry>
          <zipCode xmlns="http://www.sec.gov/edgar/common">10019</zipCode>
        </issuerPrincipalExecutiveOfficeAddress>
      </issuerInfo>
      <designateRulesPursuantThisScheduleFiled>
        <designateRulePursuantThisScheduleFiled>Rule 13d-1(b)</designateRulePursuantThisScheduleFiled>
      </designateRulesPursuantThisScheduleFiled>
    </coverPageHeader>
    <coverPageHeaderReportingPersonDetails>


      <reportingPersonName>Healthcare of Ontario Pension Plan Trust Fund</reportingPersonName>
      <citizenshipOrOrganization>A6</citizenshipOrOrganization>
      <reportingPersonBeneficiallyOwnedNumberOfShares>
        <soleVotingPower>2000000</soleVotingPower>
        <sharedVotingPower>0</sharedVotingPower>
        <soleDispositivePower>2000000</soleDispositivePower>
        <sharedDispositivePower>0</sharedDispositivePower>
      </reportingPersonBeneficiallyOwnedNumberOfShares>
      <reportingPersonBeneficiallyOwnedAggregateNumberOfShares>2000000</reportingPersonBeneficiallyOwnedAggregateNumberOfShares>
      <aggregateAmountExcludesCertainSharesFlag>N</aggregateAmountExcludesCertainSharesFlag>
      <classPercent>8.5</classPercent>
      <typeOfReportingPerson>FI</typeOfReportingPerson>
      <comments>In reference to Rows 5, 7 and 9 above, amount consists of Class A ordinary shares, $0.0001 par value ("Class A Shares"), of Artius II Acquisition Inc., a blank check company formed under the laws of the Cayman Islands (the "Issuer"), held in the form of units, each consisting of one Class A Share, one right to receive one tenth of one Class A Share, and one contingent right.

In reference to Row 11 above, percentage ownership is based on 23,650,000 Class A Shares issued and outstanding as of May 7, 2025, reported on the Issuer's quarterly report on Form 10-Q, filed with the Securities and Exchange Commission on May 7, 2025.</comments>
    </coverPageHeaderReportingPersonDetails>
    <items>
      <item1>
        <issuerName>Artius II Acquisition Inc.</issuerName>
        <issuerPrincipalExecutiveOfficeAddress>3 Columbus Circle, Suite 1609, New York, NY 10019</issuerPrincipalExecutiveOfficeAddress>
      </item1>
      <item2>
        <filingPersonName>Healthcare of Ontario Pension Plan Trust Fund ("HOOPP")</filingPersonName>
        <principalBusinessOfficeOrResidenceAddress>1 York Street, Suite 1900, Toronto, Ontario, Canada, M5J 0B6</principalBusinessOfficeOrResidenceAddress>
        <citizenship>Ontario, Canada</citizenship>
      </item2>
      <item3>
        <notApplicableFlag>N</notApplicableFlag>
        <typeOfPersonFiling>FI</typeOfPersonFiling>
        <otherTypeOfPersonFiling>A pension plan formed as a trust under the laws of Ontario, Canada and registered with the Financial Services Regulatory Authority of Ontario.</otherTypeOfPersonFiling>
      </item3>
      <item4>
        <amountBeneficiallyOwned>See Item 9 on page 2.</amountBeneficiallyOwned>
        <classPercent>See Item 11 on page 2.</classPercent>
        <numberOfSharesPersonHas>
          <solePowerOrDirectToVote>See Item 5 on page 2.</solePowerOrDirectToVote>
          <sharedPowerOrDirectToVote>See Item 6 on page 2.</sharedPowerOrDirectToVote>
          <solePowerOrDirectToDispose>See Item 7 on page 2.</solePowerOrDirectToDispose>
          <sharedPowerOrDirectToDispose>See Item 8 on page 2.</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.

By signing below I certify that, to the best of my knowledge and belief, the regulatory scheme applicable to a pension plan formed as a trust under the laws of Ontario, Canada and registered with the Financial Services Regulatory Authority of Ontario is substantially comparable to the regulatory scheme applicable to the functionally equivalent U.S. institution(s). I also undertake to furnish to the Securities and Exchange Commission staff, upon request, information that would otherwise be disclosed in a Schedule 13D.</certifications>
      </item10>
    </items>
    <signatureInformation>
      <reportingPersonName>Healthcare of Ontario Pension Plan Trust Fund</reportingPersonName>
      <signatureDetails>
        <signature>/s/ Abas Kanu</signature>
        <title>VP, HOOPP Compliance Officer</title>
        <date>05/14/2025</date>
      </signatureDetails>
    </signatureInformation>
  </formData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
