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    <filerInfo>
      <registrantType>IM</registrantType>
      <liveTestFlag>LIVE</liveTestFlag>
      <filer>
        <issuerCredentials>
          <cik>0001133521</cik>
          <ccc>XXXXXXXX</ccc>
          <!--Field: Pseudo-Tag; ID: Name; Data:-->
        </issuerCredentials>
      </filer>
      <flags>
        <overrideInternetFlag>false</overrideInternetFlag>
        <confirmingCopyFlag>false</confirmingCopyFlag>
      </flags>
      <periodOfReport>06/30/2024</periodOfReport>
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  <formData>
    <coverPage>
      <yearOrQuarter>YEAR</yearOrQuarter>
      <reportCalendarYear>2024</reportCalendarYear>
      <reportingPerson>
        <name>STEELHEAD PARTNERS LLC</name>
        <phoneNumber>3063070910</phoneNumber>
        <address>
          <com:street1>800 FIFTH AVENUE</com:street1>
          <com:street2>SUITE 3700</com:street2>
          <com:city>SEATTLE</com:city>
          <com:stateOrCountry>WA</com:stateOrCountry>
          <com:zipCode>98104</com:zipCode>
        </address>
      </reportingPerson>
      <reportInfo>
        <reportType>INSTITUTIONAL MANAGER VOTING REPORT</reportType>
        <confidentialTreatment>N</confidentialTreatment>
      </reportInfo>
      <fileNumber>028-06101</fileNumber>
      <reportingCrdNumber>000113352</reportingCrdNumber>
      <leiNumber>5493009LN6NQHJIBXG80</leiNumber>
      <explanatoryInformation>
        <explanatoryChoice>N</explanatoryChoice>
      </explanatoryInformation>
    </coverPage>
    <summaryPage>
      <otherIncludedManagersCount>0</otherIncludedManagersCount>
    </summaryPage>
    <signaturePage>
      <reportingPerson>STEELHEAD PARTNERS LLC</reportingPerson>
      <txSignature>Brent E Binge</txSignature>
      <txPrintedSignature>Brent E Binge</txPrintedSignature>
      <txTitle>General Counsel and Chief Compliance Officer</txTitle>
      <txAsOfDate>08/14/2024</txAsOfDate>
    </signaturePage>
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