content: <?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <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>
  <street1 xmlns="http://www.sec.gov/edgar/common">207 Queens Quay West</street1>
  <street2 xmlns="http://www.sec.gov/edgar/common">Suite 590</street2>
  <city xmlns="http://www.sec.gov/edgar/common">Toronto</city>
  <stateOrCountry xmlns="http://www.sec.gov/edgar/common">A6</stateOrCountry>
  <zipCode xmlns="http://www.sec.gov/edgar/common">M5J 1A7</zipCode>
  </issuerAddress>
  <issuerContactPhone>877-542-9253</issuerContactPhone>
  <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Ajay Kochhar</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
  <relationshipsToIssuer>
  <relationshipToIssuer>Officer</relationshipToIssuer>
  <relationshipToIssuer>Director</relationshipToIssuer>
  <relationshipToIssuer>10% Shareholder</relationshipToIssuer>
  </relationshipsToIssuer>
  </issuerInfo>
  <securitiesInformation>
  <securitiesClassTitle>Common Shares</securitiesClassTitle>
  <brokerOrMarketmakerDetails>
  <name>Morgan Stanley Wealth Management Canada Inc.</name>
  <address>
  <street1 xmlns="http://www.sec.gov/edgar/common">140 4th Avenue SW</street1>
  <street2 xmlns="http://www.sec.gov/edgar/common">Suite 2740</street2>
  <city xmlns="http://www.sec.gov/edgar/common">Calgary</city>
  <stateOrCountry xmlns="http://www.sec.gov/edgar/common">A0</stateOrCountry>
  <zipCode xmlns="http://www.sec.gov/edgar/common">T2P-3N3</zipCode>
  </address>
  </brokerOrMarketmakerDetails>
  <noOfUnitsSold>19090</noOfUnitsSold>
  <aggregateMarketValue>102849.28</aggregateMarketValue>
  <noOfUnitsOutstanding>178107516</noOfUnitsOutstanding>
  <approxSaleDate>08/15/2023</approxSaleDate>
  <securitiesExchangeName>NYSE</securitiesExchangeName>
  </securitiesInformation>
  <securitiesToBeSold>
  <securitiesClassTitle>RSUs</securitiesClassTitle>
  <acquiredDate>08/10/2023</acquiredDate>
  <natureOfAcquisitionTransaction>Closing Grant RSUs</natureOfAcquisitionTransaction>
  <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
  <isGiftTransaction>N</isGiftTransaction>
  <amountOfSecuritiesAcquired>36032</amountOfSecuritiesAcquired>
  <paymentDate>08/10/2023</paymentDate>
  <natureOfPayment>Equity Compensation</natureOfPayment>
  </securitiesToBeSold>
  <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
  <securitiesSoldInPast3Months>
  <sellerDetails>
  <name>Ajay Kochhar</name>
  <address>
  <street1 xmlns="http://www.sec.gov/edgar/common">c/o Li-Cycle Holdings Corp.</street1>
  <street2 xmlns="http://www.sec.gov/edgar/common">207 Queens Quay West, Suite 590</street2>
  <city xmlns="http://www.sec.gov/edgar/common">Toronto</city>
  <stateOrCountry xmlns="http://www.sec.gov/edgar/common">A6</stateOrCountry>
  <zipCode xmlns="http://www.sec.gov/edgar/common">M5J 1A7</zipCode>
  </address>
  </sellerDetails>
  <securitiesClassTitle>Common Shares</securitiesClassTitle>
  <saleDate>02/03/2023</saleDate>
  <amountOfSecuritiesSold>10898</amountOfSecuritiesSold>
  <grossProceeds>64080.24</grossProceeds>
  </securitiesSoldInPast3Months>
  <securitiesSoldInPast3Months>
  <sellerDetails>
  <name>Ajay Kochhar</name>
  <address>
  <street1 xmlns="http://www.sec.gov/edgar/common">c/o Li-Cycle Holdings Corp.</street1>
  <street2 xmlns="http://www.sec.gov/edgar/common">207 Queens Quay West, Suite 590</street2>
  <city xmlns="http://www.sec.gov/edgar/common">Toronto</city>
  <stateOrCountry xmlns="http://www.sec.gov/edgar/common">A6</stateOrCountry>
  <zipCode xmlns="http://www.sec.gov/edgar/common">M5J 1A7</zipCode>
  </address>
  </sellerDetails>
  <securitiesClassTitle>Common Shares</securitiesClassTitle>
  <saleDate>05/16/2023</saleDate>
  <amountOfSecuritiesSold>159640</amountOfSecuritiesSold>
  <grossProceeds>709599.80</grossProceeds>
  </securitiesSoldInPast3Months>
  <securitiesSoldInPast3Months>
  <sellerDetails>
  <name>Ajay Kochhar</name>
  <address>
  <street1 xmlns="http://www.sec.gov/edgar/common">c/o Li-Cycle Holdings Corp.</street1>
  <street2 xmlns="http://www.sec.gov/edgar/common">207 Queens Quay West, Suite 590</street2>
  <city xmlns="http://www.sec.gov/edgar/common">Toronto</city>
  <stateOrCountry xmlns="http://www.sec.gov/edgar/common">A6</stateOrCountry>
  <zipCode xmlns="http://www.sec.gov/edgar/common">M5J 1A7</zipCode>
  </address>
  </sellerDetails>
  <securitiesClassTitle>Common Shares</securitiesClassTitle>
  <saleDate>05/17/2023</saleDate>
  <amountOfSecuritiesSold>139685</amountOfSecuritiesSold>
  <grossProceeds>640204.29</grossProceeds>
  </securitiesSoldInPast3Months>
  <remarks>The Reporting Person is selling the 19,090 common shares set forth herein pursuant to an automatic "sell to cover" transaction that did not represent a discretionary trade by the Reporting Person in order to pay the tax liability arising from the vesting and settlement of restricted stock units.  Past sales per above table also include: 20,413 common shares for an aggregate gross proceeds of $124,633.61 on September 16, 2022.</remarks>
  <noticeSignature>
  <noticeDate>08/16/2023</noticeDate>
  <signature>/s/Ajay Kochhar</signature>
  </noticeSignature>
  </formData>
  </edgarSubmission>
metadata_documents: [{"type": "144", "sequence": "1", "filename": "primary_doc.xml", "secsgml_size_bytes": 5507}]
text: 144
  0001877376
  XXXXXXXX
  LIVE
  0001828811
  Li-Cycle Holdings Corp.
  001-40733
  207 Queens Quay West
  Suite 590
  Toronto
  A6
  M5J 1A7
  877-542-9253
  Ajay Kochhar
  Officer
  Director
  10% Shareholder
  Common Shares
  Morgan Stanley Wealth Management Canada Inc.
  140 4th Avenue SW
  Suite 2740
  Calgary
  A0
  T2P-3N3
  19090
  102849.28
  178107516
  08/15/2023
  NYSE
  RSUs
  08/10/2023
  Closing Grant RSUs
  Issuer
  N
  36032
  08/10/2023
  Equity Compensation
  N
  Ajay Kochhar
  c/o Li-Cycle Holdings Corp.
  207 Queens Quay West, Suite 590
  Toronto
  A6
  M5J 1A7
  Common Shares
  02/03/2023
  10898
  64080.24
  Ajay Kochhar
  c/o Li-Cycle Holdings Corp.
  207 Queens Quay West, Suite 590
  Toronto
  A6
  M5J 1A7
  Common Shares
  05/16/2023
  159640
  709599.80
  Ajay Kochhar
  c/o Li-Cycle Holdings Corp.
  207 Queens Quay West, Suite 590
  Toronto
  A6
  M5J 1A7
  Common Shares
  05/17/2023
  139685
  640204.29
  The Reporting Person is selling the 19,090 common shares set forth herein pursuant to an automatic "sell to cover" transaction that did not represent a discretionary trade by the Reporting Person in order to pay the tax liability arising from the vesting and settlement of restricted stock units.  Past sales per above table also include: 20,413 common shares for an aggregate gross proceeds of $124,633.61 on September 16, 2022.
  08/16/2023
  /s/Ajay Kochhar