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    <submissionType>13F-HR</submissionType>
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      <liveTestFlag>LIVE</liveTestFlag>
      <flags>
        <confirmingCopyFlag>false</confirmingCopyFlag>
        <returnCopyFlag>false</returnCopyFlag>
        <overrideInternetFlag>false</overrideInternetFlag>
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      <filer>
        <credentials>
          <cik>0001011659</cik>
          <ccc>XXXXXXXX</ccc>
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      <periodOfReport>09-30-2019</periodOfReport>
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      <reportCalendarOrQuarter>09-30-2019</reportCalendarOrQuarter>
      <isAmendment>false</isAmendment>
      <filingManager>
        <name>MUFG Americas Holdings Corp</name>
        <address>
          <ns1:street1>1251 AVENUE OF THE AMERICAS</ns1:street1>
          <ns1:city>NEW YORK</ns1:city>
          <ns1:stateOrCountry>NY</ns1:stateOrCountry>
          <ns1:zipCode>10020</ns1:zipCode>
        </address>
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      <reportType>13F HOLDINGS REPORT</reportType>
      <form13FFileNumber>028-04665</form13FFileNumber>
      <provideInfoForInstruction5>Y</provideInfoForInstruction5>
      <additionalInformation>MUFG AMERICAS HOLDINGS CORP FORMERLY FILED UNDER THE NAME OF UNIONBANCAL CORP</additionalInformation>
    </coverPage>
    <signatureBlock>
      <name>Daniel Kinsella</name>
      <title>Vice President</title>
      <phone>510-907-2959</phone>
      <signature>/s/  Daniel Kinsella</signature>
      <city>Oakland</city>
      <stateOrCountry>CA</stateOrCountry>
      <signatureDate>10-31-2019</signatureDate>
    </signatureBlock>
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            <name>MITSUBISHI UFJ FINANCIAL GROUP INC</name>
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            <name>MUFG SECURITIES AMERICAS INC.</name>
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