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<DATE-OF-FILING-DATE-CHANGE>20230103
<EFFECTIVENESS-DATE>20230103
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<COMPANY-DATA>
<CONFORMED-NAME>BrightSphere Inc.
<CIK>0000796370
<ASSIGNED-SIC>6282
<IRS-NUMBER>042714625
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>1231
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<ACT>34
<FILE-NUMBER>028-11931
<FILM-NUMBER>23501039
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>200 CLARENDON STREET, 53RD FLOOR
<CITY>BOSTON
<STATE>MA
<ZIP>02116
<PHONE>(617) 369-7300
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>200 CLARENDON STREET, 53RD FLOOR
<CITY>BOSTON
<STATE>MA
<ZIP>02116
</MAIL-ADDRESS>
<FORMER-COMPANY>
<FORMER-CONFORMED-NAME>OMAM INC.
<DATE-CHANGED>20150106
</FORMER-COMPANY>
<FORMER-COMPANY>
<FORMER-CONFORMED-NAME>OLD MUTUAL (US) HOLDINGS INC.
<DATE-CHANGED>20060419
</FORMER-COMPANY>
<FORMER-COMPANY>
<FORMER-CONFORMED-NAME>UNITED ASSET MANAGEMENT CORP
<DATE-CHANGED>19920703
</FORMER-COMPANY>
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<SEQUENCE>1
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      <liveTestFlag>LIVE</liveTestFlag>
      <flags>
        <confirmingCopyFlag>false</confirmingCopyFlag>
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          <cik>0000796370</cik>
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      <periodOfReport>12-31-2022</periodOfReport>
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    <coverPage>
      <reportCalendarOrQuarter>12-31-2022</reportCalendarOrQuarter>
      <filingManager>
        <name>BrightSphere Inc.</name>
        <address>
          <com:street1>200 CLARENDON STREET, 53RD FLOOR</com:street1>
          <com:city>BOSTON</com:city>
          <com:stateOrCountry>MA</com:stateOrCountry>
          <com:zipCode>02116</com:zipCode>
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      </filingManager>
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      <form13FFileNumber>028-11931</form13FFileNumber>
      <otherManagersInfo>
        <otherManager>
          <cik>0000916542</cik>
          <form13FFileNumber>028-05990</form13FFileNumber>
          <name>ACADIAN ASSET MANAGEMENT LLC</name>
        </otherManager>
      </otherManagersInfo>
      <provideInfoForInstruction5>Y</provideInfoForInstruction5>
      <additionalInformation>BrightSphere Inc. ("BrightSphere") is the operating U.S. holding company of certain asset management subsidiaries of BrightSphere Investment Group Inc that are subject to applicable 13F filing requirements. BrightSphere expressly disclaims beneficial ownership of all reported securities. BrightSphere does not exercise voting or investment power over any reported security. Each BrightSphere asset management firm exercises such power independently of BrightSphere and one another.</additionalInformation>
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    <signatureBlock>
      <name>Patrick Golden</name>
      <title>Investment Operations and Compliance Manager</title>
      <phone>617-369-7368</phone>
      <signature>Patrick Golden</signature>
      <city>Holbrook</city>
      <stateOrCountry>MA</stateOrCountry>
      <signatureDate>01-03-2023</signatureDate>
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