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          <cik>0001080107</cik>
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      <periodOfReport>06-30-2024</periodOfReport>
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      <reportCalendarOrQuarter>06-30-2024</reportCalendarOrQuarter>
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        <name>D.A. DAVIDSON &amp; CO.</name>
        <address>
          <com:street1>8 THIRD ST NORTH</com:street1>
          <com:city>GREAT FALLS</com:city>
          <com:stateOrCountry>MT</com:stateOrCountry>
          <com:zipCode>59401</com:zipCode>
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    <signatureBlock>
      <name>Luke Vinnola</name>
      <title>Senior Vice President, Director of Products</title>
      <phone>206-903-8668</phone>
      <signature>Luke Vinnola</signature>
      <city>Seattle</city>
      <stateOrCountry>WA</stateOrCountry>
      <signatureDate>07-31-2024</signatureDate>
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