<?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/A</submissionType>
    <previousAccessionNumber>0001193125-23-036937</previousAccessionNumber>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001396318</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>


    </filerInfo>
  </headerData>
  <formData>
    <coverPageHeader>
      <amendmentNo>2</amendmentNo>
      <securitiesClassTitle>Common stock, par value $0.0001 per share</securitiesClassTitle>
      <eventDateRequiresFilingThisStatement>12/31/2024</eventDateRequiresFilingThisStatement>
      <issuerInfo>
        <issuerCik>0001907982</issuerCik>
        <issuerName>D-Wave Quantum Inc.</issuerName>
        <issuerCusip>26740W109</issuerCusip>
        <issuerPrincipalExecutiveOfficeAddress>
          <com:street1>2650 EAST BAYSHORE ROAD</com:street1>
          <com:street2>2650 EAST BAYSHORE ROAD</com:street2>
          <com:city>PALO ALTO</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>94303</com:zipCode>
        </issuerPrincipalExecutiveOfficeAddress>
      </issuerInfo>
      <designateRulesPursuantThisScheduleFiled>
        <designateRulePursuantThisScheduleFiled>Rule 13d-1(d)</designateRulePursuantThisScheduleFiled>
      </designateRulesPursuantThisScheduleFiled>
    </coverPageHeader>
    <coverPageHeaderReportingPersonDetails>

      <reportingPersonName>PUBLIC SECTOR PENSION INVESTMENT BOARD</reportingPersonName>
      <citizenshipOrOrganization>Z4</citizenshipOrOrganization>
      <reportingPersonBeneficiallyOwnedNumberOfShares>
        <soleVotingPower>5400000.00</soleVotingPower>
        <sharedVotingPower>0.00</sharedVotingPower>
        <soleDispositivePower>5400000.00</soleDispositivePower>
        <sharedDispositivePower>0.00</sharedDispositivePower>
      </reportingPersonBeneficiallyOwnedNumberOfShares>
      <reportingPersonBeneficiallyOwnedAggregateNumberOfShares>5400000.00</reportingPersonBeneficiallyOwnedAggregateNumberOfShares>
      <classPercent>2.0</classPercent>
      <typeOfReportingPerson>FI</typeOfReportingPerson>
      <comments>Comment to Rows 5-11 above:  The beneficial ownership information in Rows 5-11 is as of January 22, 2025.  See Item 4 to this Amendment No. 2.</comments>
    </coverPageHeaderReportingPersonDetails>
    <items>
      <item1>
        <issuerName>D-Wave Quantum Inc.</issuerName>
        <issuerPrincipalExecutiveOfficeAddress>2650 EAST BAYSHORE ROAD, 2650 EAST BAYSHORE ROAD, PALO ALTO, CALIFORNIA, 94303.</issuerPrincipalExecutiveOfficeAddress>
      </item1>
      <item2>
        <filingPersonName>Public Sector Pension Investment Board</filingPersonName>
        <principalBusinessOfficeOrResidenceAddress>1250 Rene-Levesque West,
Suite 1400, Montreal, Quebec, H3B 5E9 Canada
</principalBusinessOfficeOrResidenceAddress>
        <citizenship>Canada</citizenship>
      </item2>
      <item3>
        <notApplicableFlag>Y</notApplicableFlag>
      </item3>
      <item4>
        <amountBeneficiallyOwned>As of January 22, 2025, Reporting Person owned 5,400,000 shares of common stock of the Issuer.  As of December 31, 2024, the Reporting Persons owned no shares of common stock of the Issuer and 40,057,252 exchangeable shares in the capital of D-Wave Quantum Technologies Inc., an indirect wholly-owned subsidiary of the Issuer, which was exchangeable into 40,057,252 shares of common stock of the Issuer.</amountBeneficiallyOwned>
        <classPercent>As of January 22, 2025, the percent of shares of common stock outstanding was 2 percent.  The calculation of percent of class is based on a number of shares of the Issuer's common stock outstanding equal to (i) 225,389,000 shares of common stock outstanding as of December 27, 2024, as reported in Issuer's prospectus filed with the SEC on January 2, 2025, pursuant to Rule 424(b)(5) plus (ii) 40,057,252 shares of the common stock subsequently issued by the Issuer upon the exchange by the Reporting Person of 40,057,252 exchangeable shares in the capital of D-Wave Quantum Technologies Inc., an indirect wholly-owned subsidiary of the Issuer.  </classPercent>
        <numberOfSharesPersonHas>
          <solePowerOrDirectToVote>The response of the Reporting Person to Row (5) of the cover page of this Amendment No. 2 (including the Reporting Person's Comment) is incorporated herein by reference, as of January 22, 2025.  </solePowerOrDirectToVote>
          <sharedPowerOrDirectToVote>The response of the Reporting Person to Row (6) of the cover page of this Amendment No. 2 (including the Reporting Person's Comment) is incorporated herein by reference, as of January 22, 2025.</sharedPowerOrDirectToVote>
          <solePowerOrDirectToDispose>The response of the Reporting Person to Row (7) of the cover page of this Amendment No. 2 (including the Reporting Person's Comment) is incorporated herein by reference, as of January 22, 2025.  </solePowerOrDirectToDispose>
          <sharedPowerOrDirectToDispose>The response of the Reporting Person to Row (8) of the cover page of this Amendment No. 2 (including the Reporting Person's Comment) is incorporated herein by reference, as of January 22, 2025.    </sharedPowerOrDirectToDispose>
        </numberOfSharesPersonHas>
      </item4>
      <item5>
        <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>Y</notApplicableFlag>
      </item10>
    </items>
    <signatureInformation>
      <reportingPersonName>PUBLIC SECTOR PENSION INVESTMENT BOARD</reportingPersonName>
      <signatureDetails>
        <signature>/s/ Martine Vanasse</signature>
        <title>Managing Director and Chief Compliance Officer</title>
        <date>01/23/2025</date>
      </signatureDetails>
    </signatureInformation>
  </formData>
</edgarSubmission>
