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      <periodOfReport>09-30-2025</periodOfReport>
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        <name>MASSACHUSETTS FINANCIAL SERVICES CO /MA/</name>
        <address>
          <ns1:street1>111 Huntington Avenue</ns1:street1>
          <ns1:city>Boston</ns1:city>
          <ns1:stateOrCountry>MA</ns1:stateOrCountry>
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      <additionalInformation>Please note that a de minimis portion of those shares listed as having sole voting authority in Column 8 of the Information Table may have non-voting authority. Please also note that positions of interlisted Canadian issuers are aggregates of purchases made on US and Canadian exchanges.</additionalInformation>
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      <name>Deepu Pylee</name>
      <title>Compliance Director</title>
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      <signature>Deepu Pylee, Compliance Director</signature>
      <city>Boston</city>
      <stateOrCountry>MA</stateOrCountry>
      <signatureDate>10-29-2025</signatureDate>
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