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<PERIOD>20151231
<FILING-DATE>20160216
<DATE-OF-FILING-DATE-CHANGE>20160216
<EFFECTIVENESS-DATE>20160216
<FILER>
<COMPANY-DATA>
<CONFORMED-NAME>OMAM INC.
<CIK>0000796370
<ASSIGNED-SIC>6282
<IRS-NUMBER>042714625
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<FILING-VALUES>
<FORM-TYPE>13F-NT
<ACT>34
<FILE-NUMBER>028-11931
<FILM-NUMBER>161424395
</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>OLD MUTUAL (US) HOLDINGS INC.
<DATE-CHANGED>20060419
</FORMER-COMPANY>
<FORMER-COMPANY>
<FORMER-CONFORMED-NAME>UNITED ASSET MANAGEMENT CORP
<DATE-CHANGED>19920703
</FORMER-COMPANY>
</FILER>
<DOCUMENT>
<TYPE>13F-NT
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
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<edgarSubmission xmlns="http://www.sec.gov/edgar/thirteenffiler" xmlns:com="http://www.sec.gov/edgar/common">
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    <submissionType>13F-NT</submissionType>
    <filerInfo>
      <liveTestFlag>LIVE</liveTestFlag>
      <flags>
        <confirmingCopyFlag>false</confirmingCopyFlag>
        <returnCopyFlag>false</returnCopyFlag>
        <overrideInternetFlag>false</overrideInternetFlag>
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      <filer>
        <credentials>
          <cik>0000796370</cik>
          <ccc>XXXXXXXX</ccc>
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      <periodOfReport>12-31-2015</periodOfReport>
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    <coverPage>
      <reportCalendarOrQuarter>12-31-2015</reportCalendarOrQuarter>
      <filingManager>
        <name>OMAM 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>
        </address>
      </filingManager>
      <reportType>13F NOTICE</reportType>
      <form13FFileNumber>028-11931</form13FFileNumber>
      <otherManagersInfo>
        <otherManager>
          <cik>0000916542</cik>
          <form13FFileNumber>028-05990</form13FFileNumber>
          <name>ACADIAN ASSET MANAGEMENT LLC</name>
        </otherManager>
        <otherManager>
          <cik>0000313028</cik>
          <form13FFileNumber>028-01006</form13FFileNumber>
          <name>BARROW HANLEY MEWHINNEY &amp; STRAUSS LLC</name>
        </otherManager>
        <otherManager>
          <cik>0001352543</cik>
          <form13FFileNumber>028-11628</form13FFileNumber>
          <name>Copper Rock Capital Partners, LLC</name>
        </otherManager>
        <otherManager>
          <cik>0001080117</cik>
          <form13FFileNumber>028-04321</form13FFileNumber>
          <name>HEITMAN REAL ESTATE SECURITIES LLC</name>
        </otherManager>
        <otherManager>
          <cik>0000051964</cik>
          <form13FFileNumber>028-00880</form13FFileNumber>
          <name>INVESTMENT COUNSELORS OF MARYLAND LLC</name>
        </otherManager>
        <otherManager>
          <cik>0001008322</cik>
          <form13FFileNumber>028-04041</form13FFileNumber>
          <name>THOMPSON SIEGEL &amp; WALMSLEY LLC</name>
        </otherManager>
      </otherManagersInfo>
      <provideInfoForInstruction5>Y</provideInfoForInstruction5>
      <additionalInformation>OMAM Inc. ("OMAM") is the ultimate operating U.S. parent holding company of certain asset management subsidiaries of Old Mutual plc that are subject to applicable 13F filing requirements. OMAM expressly disclaims beneficial ownership of all reported securities. OMAM does not exercise voting or investment power over any reported security. Each OMAM asset management firm exercises such power independently of OMAM and one another.</additionalInformation>
    </coverPage>
    <signatureBlock>
      <name>Brian C. Dillon</name>
      <title>Chief Compliance Officer</title>
      <phone>617-369-7153</phone>
      <signature>/s/ Brian C. Dillon</signature>
      <city>Berwyn</city>
      <stateOrCountry>PA</stateOrCountry>
      <signatureDate>02-16-2016</signatureDate>
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