<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/schedule13g" xmlns:com="http://www.sec.gov/edgar/common">
  <schemaVersion>X0202</schemaVersion>
<headerData>
    <submissionType>SCHEDULE 13G/A</submissionType>
    <previousAccessionNumber>0000921895-26-001565</previousAccessionNumber>
    <filerInfo>
      <filer>
        <filerCredentials>
          <!-- Field: Pseudo-Tag; ID: Name; Data: Hartree Partners, LP -->
          <cik>0001597857</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>


    </filerInfo>
  </headerData>
  <formData>
    <coverPageHeader>
      <amendmentNo>1</amendmentNo>
      <securitiesClassTitle>Common Stock, par value $0.01</securitiesClassTitle>
      <eventDateRequiresFilingThisStatement>06/30/2026</eventDateRequiresFilingThisStatement>
      <issuerInfo>
        <issuerCik>0000925528</issuerCik>
        <issuerName>HUDSON TECHNOLOGIES INC /NY</issuerName>
        <issuerCusips>
          <issuerCusipNumber>444144109</issuerCusipNumber>
        </issuerCusips>
        <issuerPrincipalExecutiveOfficeAddress>
          <com:street1>PO BOX 1541</com:street1>
          <com:street2>ONE BLUE HILL PLAZA, 14TH FLOOR</com:street2>
          <com:city>PEARL RIVER</com:city>
          <com:stateOrCountry>NY</com:stateOrCountry>
          <com:zipCode>10965</com:zipCode>
        </issuerPrincipalExecutiveOfficeAddress>
      </issuerInfo>
      <designateRulesPursuantThisScheduleFiled>
        <designateRulePursuantThisScheduleFiled>Rule 13d-1(c)</designateRulePursuantThisScheduleFiled>
      </designateRulesPursuantThisScheduleFiled>
    </coverPageHeader>
    <coverPageHeaderReportingPersonDetails>


      <reportingPersonName>Hartree Partners, LP</reportingPersonName>
      <memberGroup>b</memberGroup>
      <citizenshipOrOrganization>DE</citizenshipOrOrganization>
      <reportingPersonBeneficiallyOwnedNumberOfShares>
        <soleVotingPower>4971302.00</soleVotingPower>
        <sharedVotingPower>0.00</sharedVotingPower>
        <soleDispositivePower>4971302.00</soleDispositivePower>
        <sharedDispositivePower>0.00</sharedDispositivePower>
      </reportingPersonBeneficiallyOwnedNumberOfShares>
      <reportingPersonBeneficiallyOwnedAggregateNumberOfShares>4971302.00</reportingPersonBeneficiallyOwnedAggregateNumberOfShares>
      <aggregateAmountExcludesCertainSharesFlag>N</aggregateAmountExcludesCertainSharesFlag>
      <classPercent>11.8</classPercent>
      <typeOfReportingPerson>PN</typeOfReportingPerson>
    </coverPageHeaderReportingPersonDetails>
    <items>
      <item1>
        <issuerName>HUDSON TECHNOLOGIES INC /NY</issuerName>
        <issuerPrincipalExecutiveOfficeAddress>PO BOX 1541, ONE BLUE HILL PLAZA, 14TH FLOOR, PEARL RIVER, NY 10965</issuerPrincipalExecutiveOfficeAddress>
      </item1>
      <item2>
        <filingPersonName>Hartree Partners, LP</filingPersonName>
        <principalBusinessOfficeOrResidenceAddress>1185 Avenue of the Americas, New York, NY 10036</principalBusinessOfficeOrResidenceAddress>
        <citizenship>Delaware</citizenship>
      </item2>
      <item3>
        <notApplicableFlag>Y</notApplicableFlag>
      </item3>
      <item4>
        <amountBeneficiallyOwned>See cover page</amountBeneficiallyOwned>
        <classPercent>See cover page</classPercent>
        <numberOfSharesPersonHas>
          <solePowerOrDirectToVote>See cover page</solePowerOrDirectToVote>
          <sharedPowerOrDirectToVote>0</sharedPowerOrDirectToVote>
          <solePowerOrDirectToDispose>See cover page</solePowerOrDirectToDispose>
          <sharedPowerOrDirectToDispose>0</sharedPowerOrDirectToDispose>
        </numberOfSharesPersonHas>
      </item4>
      <item5>
        <notApplicableFlag>Y</notApplicableFlag>
      </item5>
      <item6>
        <notApplicableFlag>Y</notApplicableFlag>
      </item6>
      <item7>
        <notApplicableFlag>Y</notApplicableFlag>
      </item7>
      <item8>
        <notApplicableFlag>Y</notApplicableFlag>
      </item8>
      <item9>
        <notApplicableFlag>Y</notApplicableFlag>
      </item9>
      <item10>
        <notApplicableFlag>N</notApplicableFlag>
        <certifications>By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11.</certifications>
      </item10>
    </items>
    <signatureInformation>
      <reportingPersonName>Hartree Partners, LP</reportingPersonName>
      <signatureDetails>
        <signature>/s/ Christine Stevenson</signature>
        <title>Christine Stevenson, Chief Compliance Officer</title>
        <date>07/02/2026</date>
      </signatureDetails>
    </signatureInformation>
  </formData>
</edgarSubmission>
