content: <?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
    <!-- Generated by Workiva -->
    <headerData>
      <submissionType>144</submissionType>
      <filerInfo>
        <filer>
          <filerCredentials>
            <cik>0001511110</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
  
      </filerInfo>
    </headerData>
    <formData>
      <issuerInfo>
        <issuerCik>0000913760</issuerCik>
        <issuerName>StoneX Group Inc.</issuerName>
        <secFileNumber>001-36045</secFileNumber>
        <issuerAddress>
          <com:street1>230 Park Ave  10th floor</com:street1>
          <com:city>New York</com:city>
          <com:stateOrCountry>NY</com:stateOrCountry>
          <com:zipCode>10169</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>2124853500</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Diego Rotsztain</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Chief Governance and Legal Officer</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>J.P. Morgan Securities LLC</name>
          <address>
            <com:street1>390 Madison Avenue</com:street1>
            <com:street2>6th Floor</com:street2>
            <com:city>New York</com:city>
            <com:stateOrCountry>NY</com:stateOrCountry>
            <com:zipCode>10017</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>2250</noOfUnitsSold>
        <aggregateMarketValue>235440</aggregateMarketValue>
        <noOfUnitsOutstanding>31791288</noOfUnitsOutstanding>
        <approxSaleDate>11/25/2024</approxSaleDate>
        <securitiesExchangeName>Nasdaq</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>03/16/2021</acquiredDate>
        <natureOfAcquisitionTransaction>Compensation</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>2250</amountOfSecuritiesAcquired>
        <paymentDate>03/16/2021</paymentDate>
        <natureOfPayment>NA</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Diego Rotsztain</name>
          <address>
            <com:street1>230 Park Ave  10th floor</com:street1>
            <com:city>New York</com:city>
            <com:stateOrCountry>NY</com:stateOrCountry>
            <com:zipCode>10169</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <saleDate>11/25/2024</saleDate>
        <amountOfSecuritiesSold>2250</amountOfSecuritiesSold>
        <grossProceeds>230513</grossProceeds>
      </securitiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Diego Rotsztain</name>
          <address>
            <com:street1>230 Park Ave  10th floor</com:street1>
            <com:city>New York</com:city>
            <com:stateOrCountry>NY</com:stateOrCountry>
            <com:zipCode>10169</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <saleDate>11/22/2024</saleDate>
        <amountOfSecuritiesSold>4608</amountOfSecuritiesSold>
        <grossProceeds>465751</grossProceeds>
      </securitiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>11/25/2024</noticeDate>
        <signature>/s/ J.P. Morgan Securities LLC as agent and attorney-in-fact for Diego Rotsztain</signature>
      </noticeSignature>
    </formData>
  </edgarSubmission>
metadata_documents: [{"type": "144", "sequence": "1", "filename": "primary_doc.xml", "secsgml_size_bytes": 4034}]
text: 144
  0001511110
  XXXXXXXX
  LIVE
  0000913760
  StoneX Group Inc.
  001-36045
  230 Park Ave  10th floor
  New York
  NY
  10169
  2124853500
  Diego Rotsztain
  Chief Governance and Legal Officer
  Common
  J.P. Morgan Securities LLC
  390 Madison Avenue
  6th Floor
  New York
  NY
  10017
  2250
  235440
  31791288
  11/25/2024
  Nasdaq
  Common
  03/16/2021
  Compensation
  Issuer
  N
  2250
  03/16/2021
  NA
  N
  Diego Rotsztain
  230 Park Ave  10th floor
  New York
  NY
  10169
  Common
  11/25/2024
  2250
  230513
  Diego Rotsztain
  230 Park Ave  10th floor
  New York
  NY
  10169
  Common
  11/22/2024
  4608
  465751
  11/25/2024
  /s/ J.P. Morgan Securities LLC as agent and attorney-in-fact for Diego Rotsztain