<SEC-DOCUMENT>0000950170-25-107990.txt : 20250813
<SEC-HEADER>0000950170-25-107990.hdr.sgml : 20250813
<ACCEPTANCE-DATETIME>20250813160203
ACCESSION NUMBER:		0000950170-25-107990
CONFORMED SUBMISSION TYPE:	SCHEDULE 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20250813
DATE AS OF CHANGE:		20250813

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Plum Acquisition Corp, IV
		CENTRAL INDEX KEY:			0002030482
		STANDARD INDUSTRIAL CLASSIFICATION:	BLANK CHECKS [6770]
		ORGANIZATION NAME:           	05 Real Estate & Construction
		EIN:				981795710
		STATE OF INCORPORATION:			E9
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SCHEDULE 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-94934
		FILM NUMBER:		251211337

	BUSINESS ADDRESS:	
		STREET 1:		2021 FILLMORE ST. #2089
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94115
		BUSINESS PHONE:		(929) 529-7125

	MAIL ADDRESS:	
		STREET 1:		2021 FILLMORE ST. #2089
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94115

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/A

	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/A
<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/A</submissionType>
    <previousAccessionNumber>0000950170-25-071417</previousAccessionNumber>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001535845</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <coverPageHeader>
      <amendmentNo>1</amendmentNo>
      <securitiesClassTitle>Class A ordinary shares, $0.0001 par value</securitiesClassTitle>
      <eventDateRequiresFilingThisStatement>06/30/2025</eventDateRequiresFilingThisStatement>
      <issuerInfo>
        <issuerCik>0002030482</issuerCik>
        <issuerName>Plum Acquisition Corp. IV</issuerName>
        <issuerCusip>G7134A104</issuerCusip>
        <issuerPrincipalExecutiveOfficeAddress>
          <street1 xmlns="http://www.sec.gov/edgar/common">2021 Fillmore St. #2089</street1>
          <city xmlns="http://www.sec.gov/edgar/common">San Francisco</city>
          <stateOrCountry xmlns="http://www.sec.gov/edgar/common">CA</stateOrCountry>
          <zipCode xmlns="http://www.sec.gov/edgar/common">94115</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>0</soleVotingPower>
        <sharedVotingPower>0</sharedVotingPower>
        <soleDispositivePower>0</soleDispositivePower>
        <sharedDispositivePower>0</sharedDispositivePower>
      </reportingPersonBeneficiallyOwnedNumberOfShares>
      <reportingPersonBeneficiallyOwnedAggregateNumberOfShares>0</reportingPersonBeneficiallyOwnedAggregateNumberOfShares>
      <aggregateAmountExcludesCertainSharesFlag>N</aggregateAmountExcludesCertainSharesFlag>
      <classPercent>0</classPercent>
      <typeOfReportingPerson>FI</typeOfReportingPerson>
    </coverPageHeaderReportingPersonDetails>
    <items>
      <item1>
        <issuerName>Plum Acquisition Corp. IV</issuerName>
        <issuerPrincipalExecutiveOfficeAddress>2021 Fillmore St. #2089, San Francisco, California 94115</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>N</notApplicableFlag>
        <classOwnership5PercentOrLess>Y</classOwnership5PercentOrLess>
      </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>08/13/2025</date>
      </signatureDetails>
    </signatureInformation>
  </formData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
