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      <periodOfReport>12-31-2016</periodOfReport>
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        <name>ASCEND CAPITAL, LLC</name>
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          <com:street1>4 ORINDA WAY</com:street1>
          <com:street2>SUITE 200-C</com:street2>
          <com:city>ORINDA</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>94563</com:zipCode>
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      <name>BENJAMIN D. SLAVET</name>
      <title>CHIEF OPERATING OFFICER AND CHIEF FINANCIAL OFFICER</title>
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      <signature>/S/BENJAMIN D. SLAVET</signature>
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      <signatureDate>02-14-2017</signatureDate>
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