<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
  <headerData>
    <submissionType>144</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001877376</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0001828811</issuerCik>
      <issuerName>Li-Cycle Holdings Corp.</issuerName>
      <secFileNumber>001-40733</secFileNumber>
      <issuerAddress>
        <com:street1>C/O LI-CYCLE CORP.</com:street1>
        <com:street2>10-2351 ROYAL WINDSOR DRIVE</com:street2>
        <com:city>MISSISSAUGA</com:city>
        <com:stateOrCountry>A6</com:stateOrCountry>
        <com:zipCode>L5J 4S7</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>4165833509</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Kochhar Ajay</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Officer</relationshipToIssuer>
        <relationshipToIssuer>Director</relationshipToIssuer>
        <relationshipToIssuer>10% Stockholder</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common Shares</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Morgan Stanley Wealth management Canada Inc.</name>
        <address>
          <com:street1>140 4th Avenue SW; Suite 2740</com:street1>
          <com:city>Calgary</com:city>
          <com:stateOrCountry>A0</com:stateOrCountry>
          <com:zipCode>T2P-3N3</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>12000</noOfUnitsSold>
      <aggregateMarketValue>35040.00</aggregateMarketValue>
      <noOfUnitsOutstanding>225000212</noOfUnitsOutstanding>
      <approxSaleDate>08/12/2024</approxSaleDate>
      <securitiesExchangeName>NYSE</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common shares</securitiesClassTitle>
      <acquiredDate>08/12/2024</acquiredDate>
      <natureOfAcquisitionTransaction>Common shares to be issue on settlement of previously granted RSUs</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>4504</amountOfSecuritiesAcquired>
      <paymentDate>08/12/2024</paymentDate>
      <natureOfPayment>Equity Compensation</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <remarks>The Reporting Person will be selling an estimated amount of common shares set forth herein pursuant to automatic sell to cover transactions that do not represent a discretionary trade by the Reporting Person in order pay the tax liability arising from the vesting and settlement of restricted stock units.  The aggregate market value estimate is based on the closing price of the Issuer's common shares on August 8, 2024 at $2.92 per common share.</remarks>
    <noticeSignature>
      <noticeDate>08/12/2024</noticeDate>
      <signature>/s/Carl DeLuca, as attorney-in-fact for Ajay Kochhar</signature>
    </noticeSignature>
  </formData>

</edgarSubmission>
[{"type": "144", "sequence": "1", "filename": "primary_doc.xml", "secsgml_size_bytes": 3511}]
144
0001877376
XXXXXXXX
LIVE
0001828811
Li-Cycle Holdings Corp.
001-40733
C/O LI-CYCLE CORP.
10-2351 ROYAL WINDSOR DRIVE
MISSISSAUGA
A6
L5J 4S7
4165833509
Kochhar Ajay
Officer
Director
10% Stockholder
Common Shares
Morgan Stanley Wealth management Canada Inc.
140 4th Avenue SW; Suite 2740
Calgary
A0
T2P-3N3
12000
35040.00
225000212
08/12/2024
NYSE
Common shares
08/12/2024
Common shares to be issue on settlement of previously granted RSUs
Issuer
N
4504
08/12/2024
Equity Compensation
Y
The Reporting Person will be selling an estimated amount of common shares set forth herein pursuant to automatic sell to cover transactions that do not represent a discretionary trade by the Reporting Person in order pay the tax liability arising from the vesting and settlement of restricted stock units.  The aggregate market value estimate is based on the closing price of the Issuer's common shares on August 8, 2024 at $2.92 per common share.
08/12/2024
/s/Carl DeLuca, as attorney-in-fact for Ajay Kochhar