content: <?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
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      <submissionType>144</submissionType>
      <filerInfo>
        <filer>
          <filerCredentials>
            <cik>0001744506</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
  
      </filerInfo>
    </headerData>
    <formData>
      <issuerInfo>
        <issuerCik>0000896622</issuerCik>
        <issuerName>APTARGROUP, INC.</issuerName>
        <secFileNumber>001-11846</secFileNumber>
        <issuerAddress>
          <com:street1>265 EXCHANGE DRIVE</com:street1>
          <com:street2>SUITE 301</com:street2>
          <com:city>CRYSTAL LAKE</com:city>
          <com:stateOrCountry>IL</com:stateOrCountry>
          <com:zipCode>60014</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>8154770424</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Prieur Marc</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Officer</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>common shares</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>UBS Switzerland AG</name>
          <address>
            <com:street1>Bahnhofstrasse 45</com:street1>
            <com:city>Zurich</com:city>
            <com:stateOrCountry>V8</com:stateOrCountry>
            <com:zipCode>8098</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>3200</noOfUnitsSold>
        <aggregateMarketValue>467200.00</aggregateMarketValue>
        <noOfUnitsOutstanding>66263631</noOfUnitsOutstanding>
        <approxSaleDate>05/07/2024</approxSaleDate>
        <securitiesExchangeName>NYSE</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>common stock</securitiesClassTitle>
        <acquiredDate>01/01/2019</acquiredDate>
        <natureOfAcquisitionTransaction>vesting of restricted stock units</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>AptarGroup, Inc.</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>3200</amountOfSecuritiesAcquired>
        <paymentDate>01/01/2019</paymentDate>
        <natureOfPayment>services rendered</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>05/07/2024</noticeDate>
        <signature>Marc Prieur</signature>
      </noticeSignature>
    </formData>
  </edgarSubmission>
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text: 144
  0001744506
  XXXXXXXX
  LIVE
  0000896622
  APTARGROUP, INC.
  001-11846
  265 EXCHANGE DRIVE
  SUITE 301
  CRYSTAL LAKE
  IL
  60014
  8154770424
  Prieur Marc
  Officer
  common shares
  UBS Switzerland AG
  Bahnhofstrasse 45
  Zurich
  V8
  8098
  3200
  467200.00
  66263631
  05/07/2024
  NYSE
  common stock
  01/01/2019
  vesting of restricted stock units
  AptarGroup, Inc.
  N
  3200
  01/01/2019
  services rendered
  Y
  05/07/2024
  Marc Prieur