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American Century Companies Inc. – ‘13F-HR’ for 12/31/20

On:  Friday, 2/12/21, at 1:08pm ET   ·   Effective:  2/12/21   ·   For:  12/31/20   ·   Accession #:  748054-21-2   ·   File #:  28-11918

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  As Of               Filer                 Filing    For·On·As Docs:Size

 2/12/21  American Century Companies Inc.   13F-HR     12/31/20    2:773K

Quarterly Holdings and Combination Report by a Money Manager   —   Form 13F

Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 13F-HR      Quarterly Holdings and Combination Report by a      HTML      3K 
                Money Manager -- primary_doc.xml                                 
 2: INFO-TABLE  Description for Information Table --                HTML      3K 
                form13fInfoTable.xml

‘13F-HR’   —   Quarterly Holdings and Combination Report by a Money Manager — primary_doc.xml



        

This ‘13F-HR’ Document is an XML Data File that may be rendered in various formats:

  Form 13F    –   Plain Text   –  SEC Website  –  EDGAR System  –    XML Data    –  <?xml?> File
 
 
XML Data rendering:  Quarterly Holdings and Combination Report by a Money Manager
 
                                                                                                                                                                                
<?xml version="1.0" encoding="windows-1252"?>
<edgarSubmission xsi:schemaLocation="http://www.sec.gov/edgar/thirteenffiler eis_13F_Filer.xsd" xmlns="http://www.sec.gov/edgar/thirteenffiler" xmlns:ns1="http://www.sec.gov/edgar/common" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<headerData>
<submissionType> 13F-HR </submissionType>
<filerInfo>
<liveTestFlag> LIVE </liveTestFlag>
<flags>
<confirmingCopyFlag> false </confirmingCopyFlag>
<returnCopyFlag> false </returnCopyFlag>
<overrideInternetFlag> false </overrideInternetFlag>
</flags>
<filer>
<credentials>
<cik> 0000748054 </cik>
<ccc> XXXXXXXX </ccc>
</credentials>
</filer>
<periodOfReport> 12-31-2020 </periodOfReport>
</filerInfo>
</headerData>
<formData>
<coverPage>
<reportCalendarOrQuarter> 12-31-2020 </reportCalendarOrQuarter>
<filingManager>
<name> AMERICAN CENTURY COMPANIES INC </name>
<address>
<ns1:street1> 4500 MAIN STREET </ns1:street1>
<ns1:city> KANSAS CITY </ns1:city>
<ns1:stateOrCountry> MO </ns1:stateOrCountry>
<ns1:zipCode> 64111 </ns1:zipCode>
</address>
</filingManager>
<reportType> 13F HOLDINGS REPORT </reportType>
<form13FFileNumber> 028-11918 </form13FFileNumber>
<otherManagersInfo>
<otherManager>
<cik> 0001483859 </cik>
<form13FFileNumber> 028-13791 </form13FFileNumber>
<name> Arrowmark Colorado Holdings LLC </name>
</otherManager>
<otherManager>
<cik> 0001279913 </cik>
<form13FFileNumber> 028-10682 </form13FFileNumber>
<name> Marathon Asset Management LP </name>
</otherManager>
<otherManager>
<cik> 0001163653 </cik>
<form13FFileNumber> 028-10594 </form13FFileNumber>
<name> NOMURA HOLDINGS INC </name>
</otherManager>
</otherManagersInfo>
<provideInfoForInstruction5> N </provideInfoForInstruction5>
</coverPage>
<signatureBlock>
<name> Otis H. Cowan </name>
<title> Secretary </title>
<phone> 816 340-5575 </phone>
<signature> /s/Otis H. Cowan </signature>
<city> Kansas City </city>
<stateOrCountry> MO </stateOrCountry>
<signatureDate> 02-12-2021 </signatureDate>
</signatureBlock>
<summaryPage>
<otherIncludedManagersCount> 1 </otherIncludedManagersCount>
<tableEntryTotal> 1954 </tableEntryTotal>
<tableValueTotal> 128321211 </tableValueTotal>
<isConfidentialOmitted> false </isConfidentialOmitted>
<otherManagers2Info>
<otherManager2>
<sequenceNumber> 1 </sequenceNumber>
<otherManager>
<cik> 0000052388 </cik>
<form13FFileNumber> 028-01091 </form13FFileNumber>
<name> AMERICAN CENTURY INVESTMENT MANAGEMENT INC </name>
</otherManager>
</otherManager2>
</otherManagers2Info>
</summaryPage>
</formData>
</edgarSubmission>


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