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            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>DEUTSCHE BANK AG</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>PT</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>NORDEA BANK AB (PUBL)</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>SE</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>CITIBANK,N.A.</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>SG</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>FIRSTRAND BANK LIMITED</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>ZA</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>HSBC BANK AUSTRALIA LIMITED</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>AU</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>DEUTSCHE BANK AG</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>BE</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>EUROCLEAR BANK</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>BE</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>ROYAL BANK OF CANADA</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>CA</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>State Street Trust Company Canada</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>CA</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>State Street Bank International GmbH</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>DE</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>NORDEA BANK AB (PUBL), FINNISH BRAN</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>DK</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
        </custodians>
        <isCustodianHiredOrTerminated>N</isCustodianHiredOrTerminated>
        <shareholderServicingAgents>
          <shareholderServicingAgent>
            <shareholderServiceAgentName>State Street Bank and Trust Company</shareholderServiceAgentName>
            <shareholderServiceAgentLei>571474TGEMMWANRLN572</shareholderServiceAgentLei>
            <shareholderServiceAgentStateCountry shareholderServiceAgentState="US-MA" shareholderServiceAgentCountry="US"/>
            <isShareholderServiceAgentAffiliated>N</isShareholderServiceAgentAffiliated>
            <isShareholderServiceAgentSubshare>N</isShareholderServiceAgentSubshare>
          </shareholderServicingAgent>
        </shareholderServicingAgents>
        <isShareholderServiceHiredTerminated>N</isShareholderServiceHiredTerminated>
        <admins>
          <admin>
            <adminName>American Century Services, LLC</adminName>
            <adminLei>84-01406</adminLei>
            <idNumberDesc>SEC file number</idNumberDesc>
            <adminStateCountry adminState="US-MO" adminCountry="US"/>
            <isAdminAffiliated>Y</isAdminAffiliated>
            <isAdminSubAdmin>N</isAdminSubAdmin>
          </admin>
          <admin>
            <adminName>State Street Bank and Trust Company</adminName>
            <adminLei>571474TGEMMWANRLN572</adminLei>
            <adminStateCountry adminState="US-MA" adminCountry="US"/>
            <isAdminAffiliated>N</isAdminAffiliated>
            <isAdminSubAdmin>Y</isAdminSubAdmin>
          </admin>
        </admins>
        <isAdminHiredOrTerminated>N</isAdminHiredOrTerminated>
        <brokerDealers>
          <brokerDealer>
            <brokerDealerName>American Century Investment Services, Inc.</brokerDealerName>
            <brokerDealerFileNo>8-35220</brokerDealerFileNo>
            <brokerDealerCrdNo>000017437</brokerDealerCrdNo>
            <brokerDealerLei>N/A</brokerDealerLei>
            <brokerDealerStateCountry brokerDealerState="US-MO" brokerDealerCountry="US"/>
            <brokerDealerCommission>0.000000000000</brokerDealerCommission>
          </brokerDealer>
        </brokerDealers>
        <brokers>
          <broker>
            <brokerName>Bank of America Merrill Lynch</brokerName>
            <brokerFileNo>008-07221</brokerFileNo>
            <brokerCrdNo>000007691</brokerCrdNo>
            <brokerLei>8NAV47T0Y26Q87Y0QP81</brokerLei>
            <brokerStateCountry brokerState="US-NY" brokerCountry="US"/>
            <grossCommission>537.750000000000</grossCommission>
          </broker>
        </brokers>
        <aggregateCommission>537.750000000000</aggregateCommission>
        <principalTransactions>
          <principalTransaction>
            <principalName>Jane Street Group LLC</principalName>
            <principalFileNo>008-52275</principalFileNo>
            <principalCrdNo>000103782</principalCrdNo>
            <principalLei>549300ZM16HMPEPNV857</principalLei>
            <principalStateCountry principalState="US-NY" principalCountry="US"/>
            <principalTotalPurchaseSale>6582183.000000000000</principalTotalPurchaseSale>
          </principalTransaction>
          <principalTransaction>
            <principalName>HSBC Securities Incorporated</principalName>
            <principalFileNo>008-41562</principalFileNo>
            <principalCrdNo>000019585</principalCrdNo>
            <principalLei>CYYGQCGNHMHPSMRL3R97</principalLei>
            <principalStateCountry principalState="US-NY" principalCountry="US"/>
            <principalTotalPurchaseSale>672565.000000000000</principalTotalPurchaseSale>
          </principalTransaction>
          <principalTransaction>
            <principalName>Marketaxess Corporation</principalName>
            <principalFileNo>008-50727</principalFileNo>
            <principalCrdNo>000044542</principalCrdNo>
            <principalLei>GPSMMRI21JE7ZCVYF972</principalLei>
            <principalStateCountry principalState="US-NY" principalCountry="US"/>
            <principalTotalPurchaseSale>5992580.000000000000</principalTotalPurchaseSale>
          </principalTransaction>
          <principalTransaction>
            <principalName>Goldman Sachs</principalName>
            <principalFileNo>008-00129</principalFileNo>
            <principalCrdNo>000000361</principalCrdNo>
            <principalLei>FOR8UP27PHTHYVLBNG30</principalLei>
            <principalStateCountry principalState="US-NY" principalCountry="US"/>
            <principalTotalPurchaseSale>5034984.000000000000</principalTotalPurchaseSale>
          </principalTransaction>
          <principalTransaction>
            <principalName>Morgan Stanley</principalName>
            <principalFileNo>008-15869</principalFileNo>
            <principalCrdNo>000008209</principalCrdNo>
            <principalLei>9R7GPTSO7KV3UQJZQ078</principalLei>
            <principalStateCountry principalState="US-NY" principalCountry="US"/>
            <principalTotalPurchaseSale>3300963.000000000000</principalTotalPurchaseSale>
          </principalTransaction>
          <principalTransaction>
            <principalName>Citigroup Capital Markets Inc</principalName>
            <principalFileNo>008-08177</principalFileNo>
            <principalCrdNo>000007059</principalCrdNo>
            <principalLei>MBNUM2BPBDO7JBLYG310</principalLei>
            <principalStateCountry principalState="US-NY" principalCountry="US"/>
            <principalTotalPurchaseSale>2951312.000000000000</principalTotalPurchaseSale>
          </principalTransaction>
          <principalTransaction>
            <principalName>Millennium Advisors LLC</principalName>
            <principalFileNo>008-68349</principalFileNo>
            <principalCrdNo>000151236</principalCrdNo>
            <principalLei>254900E1P6Z2XZYSA163</principalLei>
            <principalStateCountry principalState="US-NC" principalCountry="US"/>
            <principalTotalPurchaseSale>2879305.000000000000</principalTotalPurchaseSale>
          </principalTransaction>
          <principalTransaction>
            <principalName>Barclays Capital</principalName>
            <principalFileNo>008-41342</principalFileNo>
            <principalCrdNo>000019714</principalCrdNo>
            <principalLei>AC28XWWI3WIBK2824319</principalLei>
            <principalStateCountry principalState="US-NY" principalCountry="US"/>
            <principalTotalPurchaseSale>2502422.000000000000</principalTotalPurchaseSale>
          </principalTransaction>
          <principalTransaction>
            <principalName>Wells Fargo Securities</principalName>
            <principalFileNo>008-65876</principalFileNo>
            <principalCrdNo>000126292</principalCrdNo>
            <principalLei>VYVVCKR63DVZZN70PB21</principalLei>
            <principalStateCountry principalState="US-NC" principalCountry="US"/>
            <principalTotalPurchaseSale>2226603.000000000000</principalTotalPurchaseSale>
          </principalTransaction>
          <principalTransaction>
            <principalName>J.P. Morgan Securities</principalName>
            <principalFileNo>008-35008</principalFileNo>
            <principalCrdNo>000000079</principalCrdNo>
            <principalLei>ZBUT11V806EZRVTWT807</principalLei>
            <principalStateCountry principalState="US-NY" principalCountry="US"/>
            <principalTotalPurchaseSale>2002233.000000000000</principalTotalPurchaseSale>
          </principalTransaction>
        </principalTransactions>
        <principalAggregatePurchase>37074907.290000000000</principalAggregatePurchase>
        <isBrokerageResearchPayment>N</isBrokerageResearchPayment>
        <mnthlyAvgNetAssets>39284662.473846200000</mnthlyAvgNetAssets>
        <hasLineOfCredit>N</hasLineOfCredit>
        <isInterfundLending>N</isInterfundLending>
        <isInterfundBorrowing>N</isInterfundBorrowing>
        <isSwingPricing>N</isSwingPricing>
      </managementInvestmentQuestion>
      <managementInvestmentQuestion>
        <mgmtInvFundName>American Century STOXX U.S. Quality Value ETF</mgmtInvFundName>
        <mgmtInvSeriesId>S000060786</mgmtInvSeriesId>
        <mgmtInvLei>549300MVBKFDHGBLXN54</mgmtInvLei>
        <isFirstFilingByFund>N</isFirstFilingByFund>
        <numAuthorizedClass>1</numAuthorizedClass>
        <numAddedClass>0</numAddedClass>
        <numTerminatedClass>0</numTerminatedClass>
        <sharesOutstandings>
          <sharesOutstanding sharesOutstandingClassName="American Century STOXX U.S. Quality Value ETF" sharesOutstandingClassId="C000197602" sharesOutstandingTickerSymbol="VALQ"/>
        </sharesOutstandings>
        <fundTypes>
          <fundType>Exchange-Traded Fund</fundType>
          <indexFundInfo fundType="Index Fund">
            <isIndexFundAffiliated>N</isIndexFundAffiliated>
            <isIndexFundExclusive>Y</isIndexFundExclusive>
            <indexFundReturnDiffBeforeExpense>-0.007691062190</indexFundReturnDiffBeforeExpense>
            <indexFundReturnDiffAfterExpense>-0.286949954836</indexFundReturnDiffAfterExpense>
            <indexFundReturnDailyStdevBeforeExpense>0.118160162115</indexFundReturnDailyStdevBeforeExpense>
            <indexFundReturnDailyStdevAfterExpense>0.120558631535</indexFundReturnDailyStdevAfterExpense>
          </indexFundInfo>
        </fundTypes>
        <isNonDiversifiedCompany>N</isNonDiversifiedCompany>
        <isForeignSubsidiary>N</isForeignSubsidiary>
        <isFundSecuritiesLending>Y</isFundSecuritiesLending>
        <didFundLendSecurities>N</didFundLendSecurities>
        <securityLendings>
          <securityLending>
            <securitiesAgentName>State Street Bank and Trust Company</securitiesAgentName>
            <securitiesAgentLei>571474TGEMMWANRLN572</securitiesAgentLei>
            <isSecuritiesAgentAffiliated>N</isSecuritiesAgentAffiliated>
            <securityAgentIdemnity isSecurityAgentIdemnity="Y">
              <idemnityProviders>
                <idemnityProvider idemnityProviderName="N/A" idemnityProviderLei="N/A"/>
              </idemnityProviders>
              <didIndemnificationRights>N</didIndemnificationRights>
            </securityAgentIdemnity>
          </securityLending>
        </securityLendings>
        <paymentToAgentManagerType>N/A</paymentToAgentManagerType>
        <avgPortfolioSecuritiesValue>N/A</avgPortfolioSecuritiesValue>
        <netIncomeSecuritiesLending>N/A</netIncomeSecuritiesLending>
        <relyOnRuleTypes>
          <relyOnRuleType>Rule 12d1-1 (17 CFR 270.12d1-1)</relyOnRuleType>
          <relyOnRuleType>Rule 32a-4 (17 CFR 270.32a-4)</relyOnRuleType>
        </relyOnRuleTypes>
        <isExpenseLimitationInPlace>N</isExpenseLimitationInPlace>
        <isExpenseReducedOrWaived>N</isExpenseReducedOrWaived>
        <isFeesWaivedRecoupable>N</isFeesWaivedRecoupable>
        <isExpenseWaivedRecoupable>N</isExpenseWaivedRecoupable>
        <investmentAdvisers>
          <investmentAdviser>
            <investmentAdviserName>American Century Investment Management, Inc.</investmentAdviserName>
            <investmentAdviserFileNo>801-08174</investmentAdviserFileNo>
            <investmentAdviserCrdNo>000105778</investmentAdviserCrdNo>
            <investmentAdviserLei>EM2U0UPRO83F878KCP52</investmentAdviserLei>
            <investmentAdviserStateCountry investmentAdviserState="US-MO" investmentAdviserCountry="US"/>
            <isInvestmentAdviserHired>N</isInvestmentAdviserHired>
          </investmentAdviser>
        </investmentAdvisers>
        <transferAgents>
          <transferAgent>
            <transferAgentName>State Street Bank and Trust Company</transferAgentName>
            <transferAgentFileNo>85-05003</transferAgentFileNo>
            <transferAgentLei>571474TGEMMWANRLN572</transferAgentLei>
            <transferAgentStateCountry transferAgentState="US-MA" transferAgentCountry="US"/>
            <isTransferAgentAffiliated>N</isTransferAgentAffiliated>
            <isTransferAgentSubAgent>N</isTransferAgentSubAgent>
          </transferAgent>
        </transferAgents>
        <isTransferAgentHiredOrTerminated>N</isTransferAgentHiredOrTerminated>
        <pricingServices>
          <pricingService>
            <pricingServiceName>ICE Data Pricing and Reference Data, LLC</pricingServiceName>
            <pricingServiceLei>5493000NQ9LYLDBCTL34</pricingServiceLei>
            <pricingServiceStateCountry pricingServiceState="US-NY" pricingServiceCountry="US"/>
            <isPricingServiceAffiliated>N</isPricingServiceAffiliated>
          </pricingService>
          <pricingService>
            <pricingServiceName>IHS MARKIT GROUP HOLDINGS LIMITED</pricingServiceName>
            <pricingServiceLei>2138005LTLTVZ4WMEX25</pricingServiceLei>
            <pricingServiceCountry>GB</pricingServiceCountry>
            <isPricingServiceAffiliated>N</isPricingServiceAffiliated>
          </pricingService>
          <pricingService>
            <pricingServiceName>Refinitiv</pricingServiceName>
            <pricingServiceLei>N/A</pricingServiceLei>
            <pricingServiceStateCountry pricingServiceState="US-DE" pricingServiceCountry="US"/>
            <isPricingServiceAffiliated>N</isPricingServiceAffiliated>
          </pricingService>
          <pricingService>
            <pricingServiceName>ITG Solutions Network, Inc.</pricingServiceName>
            <pricingServiceLei>N/A</pricingServiceLei>
            <pricingServiceStateCountry pricingServiceState="US-NY" pricingServiceCountry="US"/>
            <isPricingServiceAffiliated>N</isPricingServiceAffiliated>
          </pricingService>
          <pricingService>
            <pricingServiceName>PricingDirect Inc.</pricingServiceName>
            <pricingServiceLei>549300WIC0TOJ7N7GD54</pricingServiceLei>
            <pricingServiceStateCountry pricingServiceState="US-NY" pricingServiceCountry="US"/>
            <isPricingServiceAffiliated>N</isPricingServiceAffiliated>
          </pricingService>
          <pricingService>
            <pricingServiceName>Interactive Data Real Time Services, Inc.</pricingServiceName>
            <pricingServiceLei>N/A</pricingServiceLei>
            <pricingServiceStateCountry pricingServiceState="US-NY" pricingServiceCountry="US"/>
            <isPricingServiceAffiliated>N</isPricingServiceAffiliated>
          </pricingService>
        </pricingServices>
        <isPricingServiceHiredOrTerminated>N</isPricingServiceHiredOrTerminated>
        <custodians>
          <custodian>
            <custodianName>State Street Bank and Trust Company</custodianName>
            <custodianLei>571474TGEMMWANRLN572</custodianLei>
            <custodianStateCountry custodianState="US-MA" custodianCountry="US"/>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>N</isSubCustodian>
            <custodyType>Bank - section 17(f)(1) (15 U.S.C. 80a-17(f)(1))</custodyType>
          </custodian>
          <custodian>
            <custodianName>NORDEA BANK AB (PUBL), FINNISH BRAN</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>DK</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>DEUTSCHE BANK SOCIEDAD ANONIMA ESPA</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>ES</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>NORDEA BANK AB (PUBL), FINNISH BRAN</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>FI</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>DEUTSCHE BANK AG</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>FR</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>STATE STREET BK LONDON - CREST</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>GB</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>DEUTSCHE BANK AG</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>GB</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>STATE STREET BANK AND TRUST COMPANY</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>GB</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>STANDARD CHARTERED BANK (HONG KONG)</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>HK</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>State Street Bank and Trust Company</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>IE</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>BANK HAPOALIM B.M.</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>IL</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>DEUTSCHE BANK AG</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>AT</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>DEUTSCHE BANK S.P.A.</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>IT</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>HONGKONG AND SHANGHAI BANKING CORPO</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>JP</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>CITIBANK NA MEXICO</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>MX</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>DEUTSCHE BANK AG</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>NL</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>HONGKONG AND SHANGHAI BANKING CORPO</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>NZ</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>DEUTSCHE BANK AG</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>PT</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>NORDEA BANK AB (PUBL)</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>SE</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>CITIBANK,N.A.</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>SG</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>FIRSTRAND BANK LIMITED</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>ZA</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>HSBC BANK AUSTRALIA LIMITED</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>AU</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>DEUTSCHE BANK AG</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>BE</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>EUROCLEAR BANK</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>BE</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>State Street Trust Company Canada</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>CA</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>ROYAL BANK OF CANADA</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>CA</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>CREDIT SUISSE (SCHWEIZ) AG</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>CH</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>State Street Bank International GmbH</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>DE</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
        </custodians>
        <isCustodianHiredOrTerminated>N</isCustodianHiredOrTerminated>
        <shareholderServicingAgents>
          <shareholderServicingAgent>
            <shareholderServiceAgentName>State Street Bank and Trust Company</shareholderServiceAgentName>
            <shareholderServiceAgentLei>571474TGEMMWANRLN572</shareholderServiceAgentLei>
            <shareholderServiceAgentStateCountry shareholderServiceAgentState="US-MA" shareholderServiceAgentCountry="US"/>
            <isShareholderServiceAgentAffiliated>N</isShareholderServiceAgentAffiliated>
            <isShareholderServiceAgentSubshare>N</isShareholderServiceAgentSubshare>
          </shareholderServicingAgent>
        </shareholderServicingAgents>
        <isShareholderServiceHiredTerminated>N</isShareholderServiceHiredTerminated>
        <admins>
          <admin>
            <adminName>American Century Services, LLC</adminName>
            <adminLei>84-01406</adminLei>
            <idNumberDesc>SEC file number</idNumberDesc>
            <adminStateCountry adminState="US-MO" adminCountry="US"/>
            <isAdminAffiliated>Y</isAdminAffiliated>
            <isAdminSubAdmin>N</isAdminSubAdmin>
          </admin>
          <admin>
            <adminName>State Street Bank and Trust Company</adminName>
            <adminLei>571474TGEMMWANRLN572</adminLei>
            <adminStateCountry adminState="US-MA" adminCountry="US"/>
            <isAdminAffiliated>N</isAdminAffiliated>
            <isAdminSubAdmin>Y</isAdminSubAdmin>
          </admin>
        </admins>
        <isAdminHiredOrTerminated>N</isAdminHiredOrTerminated>
        <brokerDealers>
          <brokerDealer>
            <brokerDealerName>American Century Investment Services, Inc.</brokerDealerName>
            <brokerDealerFileNo>8-35220</brokerDealerFileNo>
            <brokerDealerCrdNo>000017437</brokerDealerCrdNo>
            <brokerDealerLei>N/A</brokerDealerLei>
            <brokerDealerStateCountry brokerDealerState="US-MO" brokerDealerCountry="US"/>
            <brokerDealerCommission>0.000000000000</brokerDealerCommission>
          </brokerDealer>
        </brokerDealers>
        <brokers>
          <broker>
            <brokerName>Credit Suisse First Boston Corp</brokerName>
            <brokerFileNo>008-00422</brokerFileNo>
            <brokerCrdNo>000000816</brokerCrdNo>
            <brokerLei>1V8Y6QCX6YMJ2OELII46</brokerLei>
            <brokerStateCountry brokerState="US-NY" brokerCountry="US"/>
            <grossCommission>3555.590000000000</grossCommission>
          </broker>
          <broker>
            <brokerName>Morgan Stanley</brokerName>
            <brokerFileNo>008-15869</brokerFileNo>
            <brokerCrdNo>000008209</brokerCrdNo>
            <brokerLei>9R7GPTSO7KV3UQJZQ078</brokerLei>
            <brokerStateCountry brokerState="US-NY" brokerCountry="US"/>
            <grossCommission>9.270000000000</grossCommission>
          </broker>
          <broker>
            <brokerName>J.P. Morgan Securities</brokerName>
            <brokerFileNo>008-35008</brokerFileNo>
            <brokerCrdNo>000000079</brokerCrdNo>
            <brokerLei>ZBUT11V806EZRVTWT807</brokerLei>
            <brokerStateCountry brokerState="US-NY" brokerCountry="US"/>
            <grossCommission>2852.900000000000</grossCommission>
          </broker>
          <broker>
            <brokerName>SG Americas Securities, LLC</brokerName>
            <brokerFileNo>008-66125</brokerFileNo>
            <brokerCrdNo>000128351</brokerCrdNo>
            <brokerLei>549300USLFO4ME4XBQ71</brokerLei>
            <brokerStateCountry brokerState="US-NY" brokerCountry="US"/>
            <grossCommission>2781.650000000000</grossCommission>
          </broker>
          <broker>
            <brokerName>UBS Warburg</brokerName>
            <brokerFileNo>008-22651</brokerFileNo>
            <brokerCrdNo>000007654</brokerCrdNo>
            <brokerLei>T6FIZBDPKLYJKFCRVK44</brokerLei>
            <brokerStateCountry brokerState="US-NY" brokerCountry="US"/>
            <grossCommission>2282.500000000000</grossCommission>
          </broker>
          <broker>
            <brokerName>Deutsche Bank</brokerName>
            <brokerFileNo>008-17822</brokerFileNo>
            <brokerCrdNo>000002525</brokerCrdNo>
            <brokerLei>9J6MBOOO7BECTDTUZW19</brokerLei>
            <brokerStateCountry brokerState="US-NY" brokerCountry="US"/>
            <grossCommission>735.480000000000</grossCommission>
          </broker>
          <broker>
            <brokerName>Evercore ISI Investment Group</brokerName>
            <brokerFileNo>008-49830</brokerFileNo>
            <brokerCrdNo>000042405</brokerCrdNo>
            <brokerLei>5493008F0LRLS5N8LZ81</brokerLei>
            <brokerStateCountry brokerState="US-NY" brokerCountry="US"/>
            <grossCommission>669.830000000000</grossCommission>
          </broker>
          <broker>
            <brokerName>Jefferies LLC</brokerName>
            <brokerFileNo>008-15074</brokerFileNo>
            <brokerCrdNo>000002347</brokerCrdNo>
            <brokerLei>58PU97L1C0WSRCWADL48</brokerLei>
            <brokerStateCountry brokerState="US-NY" brokerCountry="US"/>
            <grossCommission>333.850000000000</grossCommission>
          </broker>
          <broker>
            <brokerName>Sanford C. Bernstein</brokerName>
            <brokerFileNo>008-52942</brokerFileNo>
            <brokerCrdNo>000104474</brokerCrdNo>
            <brokerLei>549300GA5IHQHIM7CU60</brokerLei>
            <brokerStateCountry brokerState="US-NY" brokerCountry="US"/>
            <grossCommission>243.200000000000</grossCommission>
          </broker>
          <broker>
            <brokerName>Bank of America Merrill Lynch</brokerName>
            <brokerFileNo>008-07221</brokerFileNo>
            <brokerCrdNo>000007691</brokerCrdNo>
            <brokerLei>8NAV47T0Y26Q87Y0QP81</brokerLei>
            <brokerStateCountry brokerState="US-NY" brokerCountry="US"/>
            <grossCommission>165.250000000000</grossCommission>
          </broker>
        </brokers>
        <aggregateCommission>13642.490000000000</aggregateCommission>
        <principalAggregatePurchase>0.000000000000</principalAggregatePurchase>
        <isBrokerageResearchPayment>N</isBrokerageResearchPayment>
        <mnthlyAvgNetAssets>17662546.996923100000</mnthlyAvgNetAssets>
        <hasLineOfCredit>N</hasLineOfCredit>
        <isInterfundLending>N</isInterfundLending>
        <isInterfundBorrowing>N</isInterfundBorrowing>
        <isSwingPricing>N</isSwingPricing>
      </managementInvestmentQuestion>
      <managementInvestmentQuestion>
        <mgmtInvFundName>American Century Diversified Municipal Bond ETF</mgmtInvFundName>
        <mgmtInvSeriesId>S000063026</mgmtInvSeriesId>
        <mgmtInvLei>5493000EB9FT0YZGSH76</mgmtInvLei>
        <isFirstFilingByFund>Y</isFirstFilingByFund>
        <numAuthorizedClass>1</numAuthorizedClass>
        <numAddedClass>1</numAddedClass>
        <numTerminatedClass>0</numTerminatedClass>
        <sharesOutstandings>
          <sharesOutstanding sharesOutstandingClassName="American Century Diversified Municipal Bond ETF" sharesOutstandingClassId="C000204482" sharesOutstandingTickerSymbol="TAXF"/>
        </sharesOutstandings>
        <fundTypes>
          <fundType>Exchange-Traded Fund</fundType>
        </fundTypes>
        <isNonDiversifiedCompany>N</isNonDiversifiedCompany>
        <isForeignSubsidiary>N</isForeignSubsidiary>
        <isFundSecuritiesLending>Y</isFundSecuritiesLending>
        <didFundLendSecurities>N</didFundLendSecurities>
        <securityLendings>
          <securityLending>
            <securitiesAgentName>State Street Bank and Trust Company</securitiesAgentName>
            <securitiesAgentLei>571474TGEMMWANRLN572</securitiesAgentLei>
            <isSecuritiesAgentAffiliated>N</isSecuritiesAgentAffiliated>
            <securityAgentIdemnity isSecurityAgentIdemnity="Y">
              <idemnityProviders>
                <idemnityProvider idemnityProviderName="N/A" idemnityProviderLei="N/A"/>
              </idemnityProviders>
              <didIndemnificationRights>N</didIndemnificationRights>
            </securityAgentIdemnity>
          </securityLending>
        </securityLendings>
        <paymentToAgentManagerType>N/A</paymentToAgentManagerType>
        <avgPortfolioSecuritiesValue>N/A</avgPortfolioSecuritiesValue>
        <netIncomeSecuritiesLending>N/A</netIncomeSecuritiesLending>
        <relyOnRuleTypes>
          <relyOnRuleType>Rule 12d1-1 (17 CFR 270.12d1-1)</relyOnRuleType>
          <relyOnRuleType>Rule 32a-4 (17 CFR 270.32a-4)</relyOnRuleType>
        </relyOnRuleTypes>
        <isExpenseLimitationInPlace>N</isExpenseLimitationInPlace>
        <isExpenseReducedOrWaived>N</isExpenseReducedOrWaived>
        <isFeesWaivedRecoupable>N</isFeesWaivedRecoupable>
        <isExpenseWaivedRecoupable>N</isExpenseWaivedRecoupable>
        <investmentAdvisers>
          <investmentAdviser>
            <investmentAdviserName>American Century Investment Management, Inc.</investmentAdviserName>
            <investmentAdviserFileNo>801-08174</investmentAdviserFileNo>
            <investmentAdviserCrdNo>000105778</investmentAdviserCrdNo>
            <investmentAdviserLei>EM2U0UPRO83F878KCP52</investmentAdviserLei>
            <investmentAdviserStateCountry investmentAdviserState="US-MO" investmentAdviserCountry="US"/>
            <investmentAdviserHired isInvestmentAdviserHired="Y">
              <investmentAdviserStartDate>2018-09-07</investmentAdviserStartDate>
            </investmentAdviserHired>
          </investmentAdviser>
        </investmentAdvisers>
        <transferAgents>
          <transferAgent>
            <transferAgentName>State Street Bank and Trust Company</transferAgentName>
            <transferAgentFileNo>85-05003</transferAgentFileNo>
            <transferAgentLei>571474TGEMMWANRLN572</transferAgentLei>
            <transferAgentStateCountry transferAgentState="US-MA" transferAgentCountry="US"/>
            <isTransferAgentAffiliated>N</isTransferAgentAffiliated>
            <isTransferAgentSubAgent>N</isTransferAgentSubAgent>
          </transferAgent>
        </transferAgents>
        <isTransferAgentHiredOrTerminated>Y</isTransferAgentHiredOrTerminated>
        <pricingServices>
          <pricingService>
            <pricingServiceName>ICE Data Pricing and Reference Data, LLC</pricingServiceName>
            <pricingServiceLei>5493000NQ9LYLDBCTL34</pricingServiceLei>
            <pricingServiceStateCountry pricingServiceState="US-NY" pricingServiceCountry="US"/>
            <isPricingServiceAffiliated>N</isPricingServiceAffiliated>
          </pricingService>
          <pricingService>
            <pricingServiceName>IHS MARKIT GROUP HOLDINGS LIMITED</pricingServiceName>
            <pricingServiceLei>2138005LTLTVZ4WMEX25</pricingServiceLei>
            <pricingServiceCountry>GB</pricingServiceCountry>
            <isPricingServiceAffiliated>N</isPricingServiceAffiliated>
          </pricingService>
          <pricingService>
            <pricingServiceName>Refinitiv</pricingServiceName>
            <pricingServiceLei>N/A</pricingServiceLei>
            <pricingServiceStateCountry pricingServiceState="US-DE" pricingServiceCountry="US"/>
            <isPricingServiceAffiliated>N</isPricingServiceAffiliated>
          </pricingService>
          <pricingService>
            <pricingServiceName>ITG Solutions Network, Inc.</pricingServiceName>
            <pricingServiceLei>N/A</pricingServiceLei>
            <pricingServiceStateCountry pricingServiceState="US-NY" pricingServiceCountry="US"/>
            <isPricingServiceAffiliated>N</isPricingServiceAffiliated>
          </pricingService>
          <pricingService>
            <pricingServiceName>PricingDirect Inc.</pricingServiceName>
            <pricingServiceLei>549300WIC0TOJ7N7GD54</pricingServiceLei>
            <pricingServiceStateCountry pricingServiceState="US-NY" pricingServiceCountry="US"/>
            <isPricingServiceAffiliated>N</isPricingServiceAffiliated>
          </pricingService>
          <pricingService>
            <pricingServiceName>Interactive Data Real Time Services, Inc.</pricingServiceName>
            <pricingServiceLei>N/A</pricingServiceLei>
            <pricingServiceStateCountry pricingServiceState="US-NY" pricingServiceCountry="US"/>
            <isPricingServiceAffiliated>N</isPricingServiceAffiliated>
          </pricingService>
        </pricingServices>
        <isPricingServiceHiredOrTerminated>Y</isPricingServiceHiredOrTerminated>
        <custodians>
          <custodian>
            <custodianName>State Street Bank and Trust Company</custodianName>
            <custodianLei>571474TGEMMWANRLN572</custodianLei>
            <custodianStateCountry custodianState="US-MA" custodianCountry="US"/>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>N</isSubCustodian>
            <custodyType>Bank - section 17(f)(1) (15 U.S.C. 80a-17(f)(1))</custodyType>
          </custodian>
        </custodians>
        <isCustodianHiredOrTerminated>Y</isCustodianHiredOrTerminated>
        <shareholderServicingAgents>
          <shareholderServicingAgent>
            <shareholderServiceAgentName>State Street Bank and Trust Company</shareholderServiceAgentName>
            <shareholderServiceAgentLei>571474TGEMMWANRLN572</shareholderServiceAgentLei>
            <shareholderServiceAgentStateCountry shareholderServiceAgentState="US-MA" shareholderServiceAgentCountry="US"/>
            <isShareholderServiceAgentAffiliated>N</isShareholderServiceAgentAffiliated>
            <isShareholderServiceAgentSubshare>N</isShareholderServiceAgentSubshare>
          </shareholderServicingAgent>
        </shareholderServicingAgents>
        <isShareholderServiceHiredTerminated>Y</isShareholderServiceHiredTerminated>
        <admins>
          <admin>
            <adminName>American Century Services, LLC</adminName>
            <adminLei>84-01406</adminLei>
            <idNumberDesc>SEC file number</idNumberDesc>
            <adminStateCountry adminState="US-MO" adminCountry="US"/>
            <isAdminAffiliated>Y</isAdminAffiliated>
            <isAdminSubAdmin>N</isAdminSubAdmin>
          </admin>
          <admin>
            <adminName>State Street Bank and Trust Company</adminName>
            <adminLei>571474TGEMMWANRLN572</adminLei>
            <adminStateCountry adminState="US-MA" adminCountry="US"/>
            <isAdminAffiliated>N</isAdminAffiliated>
            <isAdminSubAdmin>N</isAdminSubAdmin>
          </admin>
        </admins>
        <isAdminHiredOrTerminated>Y</isAdminHiredOrTerminated>
        <brokerDealers>
          <brokerDealer>
            <brokerDealerName>American Century Investment Services, Inc.</brokerDealerName>
            <brokerDealerFileNo>8-35220</brokerDealerFileNo>
            <brokerDealerCrdNo>000017437</brokerDealerCrdNo>
            <brokerDealerLei>N/A</brokerDealerLei>
            <brokerDealerStateCountry brokerDealerState="US-MO" brokerDealerCountry="US"/>
            <brokerDealerCommission>0.000000000000</brokerDealerCommission>
          </brokerDealer>
        </brokerDealers>
        <brokers>
          <broker>
            <brokerName>Bank of America Merrill Lynch</brokerName>
            <brokerFileNo>008-07221</brokerFileNo>
            <brokerCrdNo>000007691</brokerCrdNo>
            <brokerLei>8NAV47T0Y26Q87Y0QP81</brokerLei>
            <brokerStateCountry brokerState="US-NY" brokerCountry="US"/>
            <grossCommission>18.000000000000</grossCommission>
          </broker>
        </brokers>
        <aggregateCommission>18.000000000000</aggregateCommission>
        <principalTransactions>
          <principalTransaction>
            <principalName>Citigroup Capital Markets Inc</principalName>
            <principalFileNo>008-08177</principalFileNo>
            <principalCrdNo>000007059</principalCrdNo>
            <principalLei>MBNUM2BPBDO7JBLYG310</principalLei>
            <principalStateCountry principalState="US-NY" principalCountry="US"/>
            <principalTotalPurchaseSale>4784382.000000000000</principalTotalPurchaseSale>
          </principalTransaction>
          <principalTransaction>
            <principalName>Piper Jaffray</principalName>
            <principalFileNo>008-15204</principalFileNo>
            <principalCrdNo>000000665</principalCrdNo>
            <principalLei>549300GRQCWQ3XGH0H10</principalLei>
            <principalStateCountry principalState="US-MN" principalCountry="US"/>
            <principalTotalPurchaseSale>772054.000000000000</principalTotalPurchaseSale>
          </principalTransaction>
          <principalTransaction>
            <principalName>Morgan Stanley</principalName>
            <principalFileNo>008-15869</principalFileNo>
            <principalCrdNo>000008209</principalCrdNo>
            <principalLei>9R7GPTSO7KV3UQJZQ078</principalLei>
            <principalStateCountry principalState="US-NY" principalCountry="US"/>
            <principalTotalPurchaseSale>3451373.000000000000</principalTotalPurchaseSale>
          </principalTransaction>
          <principalTransaction>
            <principalName>RBC Capital Markets</principalName>
            <principalFileNo>008-45411</principalFileNo>
            <principalCrdNo>000031194</principalCrdNo>
            <principalLei>549300LCO2FLSSVFFR64</principalLei>
            <principalStateCountry principalState="US-NY" principalCountry="US"/>
            <principalTotalPurchaseSale>2680049.000000000000</principalTotalPurchaseSale>
          </principalTransaction>
          <principalTransaction>
            <principalName>Goldman Sachs</principalName>
            <principalFileNo>008-00129</principalFileNo>
            <principalCrdNo>000000361</principalCrdNo>
            <principalLei>FOR8UP27PHTHYVLBNG30</principalLei>
            <principalStateCountry principalState="US-NY" principalCountry="US"/>
            <principalTotalPurchaseSale>1718578.000000000000</principalTotalPurchaseSale>
          </principalTransaction>
          <principalTransaction>
            <principalName>Wells Fargo Securities</principalName>
            <principalFileNo>008-65876</principalFileNo>
            <principalCrdNo>000126292</principalCrdNo>
            <principalLei>VYVVCKR63DVZZN70PB21</principalLei>
            <principalStateCountry principalState="US-NC" principalCountry="US"/>
            <principalTotalPurchaseSale>1475893.000000000000</principalTotalPurchaseSale>
          </principalTransaction>
          <principalTransaction>
            <principalName>Jefferies LLC</principalName>
            <principalFileNo>008-15074</principalFileNo>
            <principalCrdNo>000002347</principalCrdNo>
            <principalLei>58PU97L1C0WSRCWADL48</principalLei>
            <principalStateCountry principalState="US-NY" principalCountry="US"/>
            <principalTotalPurchaseSale>1376099.000000000000</principalTotalPurchaseSale>
          </principalTransaction>
          <principalTransaction>
            <principalName>J.P. Morgan Securities</principalName>
            <principalFileNo>008-35008</principalFileNo>
            <principalCrdNo>000000079</principalCrdNo>
            <principalLei>ZBUT11V806EZRVTWT807</principalLei>
            <principalStateCountry principalState="US-NY" principalCountry="US"/>
            <principalTotalPurchaseSale>1210208.000000000000</principalTotalPurchaseSale>
          </principalTransaction>
          <principalTransaction>
            <principalName>Barclays Capital</principalName>
            <principalFileNo>008-41342</principalFileNo>
            <principalCrdNo>000019714</principalCrdNo>
            <principalLei>AC28XWWI3WIBK2824319</principalLei>
            <principalStateCountry principalState="US-NY" principalCountry="US"/>
            <principalTotalPurchaseSale>1203980.000000000000</principalTotalPurchaseSale>
          </principalTransaction>
          <principalTransaction>
            <principalName>Bank of America Merrill Lynch</principalName>
            <principalFileNo>008-07221</principalFileNo>
            <principalCrdNo>000007691</principalCrdNo>
            <principalLei>8NAV47T0Y26Q87Y0QP81</principalLei>
            <principalStateCountry principalState="US-NY" principalCountry="US"/>
            <principalTotalPurchaseSale>808771.000000000000</principalTotalPurchaseSale>
          </principalTransaction>
        </principalTransactions>
        <principalAggregatePurchase>22874295.000000000000</principalAggregatePurchase>
        <isBrokerageResearchPayment>N</isBrokerageResearchPayment>
        <mnthlyAvgNetAssets>16566973.828461500000</mnthlyAvgNetAssets>
        <hasLineOfCredit>N</hasLineOfCredit>
        <isInterfundLending>N</isInterfundLending>
        <isInterfundBorrowing>N</isInterfundBorrowing>
        <isSwingPricing>N</isSwingPricing>
      </managementInvestmentQuestion>
      <managementInvestmentQuestion>
        <mgmtInvFundName>American Century Quality Diversified International ETF</mgmtInvFundName>
        <mgmtInvSeriesId>S000062301</mgmtInvSeriesId>
        <mgmtInvLei>54930009FSGCE7VMCM67</mgmtInvLei>
        <isFirstFilingByFund>Y</isFirstFilingByFund>
        <numAuthorizedClass>1</numAuthorizedClass>
        <numAddedClass>1</numAddedClass>
        <numTerminatedClass>0</numTerminatedClass>
        <sharesOutstandings>
          <sharesOutstanding sharesOutstandingClassName="American Century Quality Diversified International ETF" sharesOutstandingClassId="C000202058" sharesOutstandingTickerSymbol="QINT"/>
        </sharesOutstandings>
        <fundTypes>
          <fundType>Exchange-Traded Fund</fundType>
          <indexFundInfo fundType="Index Fund">
            <isIndexFundAffiliated>N</isIndexFundAffiliated>
            <isIndexFundExclusive>Y</isIndexFundExclusive>
            <indexFundReturnDiffBeforeExpense>-0.328965458092</indexFundReturnDiffBeforeExpense>
            <indexFundReturnDiffAfterExpense>-0.697490594414</indexFundReturnDiffAfterExpense>
            <indexFundReturnDailyStdevBeforeExpense>0.161749196585</indexFundReturnDailyStdevBeforeExpense>
            <indexFundReturnDailyStdevAfterExpense>0.112471927867</indexFundReturnDailyStdevAfterExpense>
          </indexFundInfo>
        </fundTypes>
        <isNonDiversifiedCompany>N</isNonDiversifiedCompany>
        <isForeignSubsidiary>N</isForeignSubsidiary>
        <isFundSecuritiesLending>Y</isFundSecuritiesLending>
        <didFundLendSecurities>N</didFundLendSecurities>
        <securityLendings>
          <securityLending>
            <securitiesAgentName>State Street Bank and Trust Company</securitiesAgentName>
            <securitiesAgentLei>571474TGEMMWANRLN572</securitiesAgentLei>
            <isSecuritiesAgentAffiliated>N</isSecuritiesAgentAffiliated>
            <securityAgentIdemnity isSecurityAgentIdemnity="Y">
              <idemnityProviders>
                <idemnityProvider idemnityProviderName="N/A" idemnityProviderLei="N/A"/>
              </idemnityProviders>
              <didIndemnificationRights>N</didIndemnificationRights>
            </securityAgentIdemnity>
          </securityLending>
        </securityLendings>
        <paymentToAgentManagerType>N/A</paymentToAgentManagerType>
        <avgPortfolioSecuritiesValue>N/A</avgPortfolioSecuritiesValue>
        <netIncomeSecuritiesLending>N/A</netIncomeSecuritiesLending>
        <relyOnRuleTypes>
          <relyOnRuleType>Rule 12d1-1 (17 CFR 270.12d1-1)</relyOnRuleType>
          <relyOnRuleType>Rule 32a-4 (17 CFR 270.32a-4)</relyOnRuleType>
        </relyOnRuleTypes>
        <isExpenseLimitationInPlace>N</isExpenseLimitationInPlace>
        <isExpenseReducedOrWaived>N</isExpenseReducedOrWaived>
        <isFeesWaivedRecoupable>N</isFeesWaivedRecoupable>
        <isExpenseWaivedRecoupable>N</isExpenseWaivedRecoupable>
        <investmentAdvisers>
          <investmentAdviser>
            <investmentAdviserName>American Century Investment Management, Inc.</investmentAdviserName>
            <investmentAdviserFileNo>801-08174</investmentAdviserFileNo>
            <investmentAdviserCrdNo>000105778</investmentAdviserCrdNo>
            <investmentAdviserLei>EM2U0UPRO83F878KCP52</investmentAdviserLei>
            <investmentAdviserStateCountry investmentAdviserState="US-MO" investmentAdviserCountry="US"/>
            <investmentAdviserHired isInvestmentAdviserHired="Y">
              <investmentAdviserStartDate>2018-07-05</investmentAdviserStartDate>
            </investmentAdviserHired>
          </investmentAdviser>
        </investmentAdvisers>
        <transferAgents>
          <transferAgent>
            <transferAgentName>State Street Bank and Trust Company</transferAgentName>
            <transferAgentFileNo>85-05003</transferAgentFileNo>
            <transferAgentLei>571474TGEMMWANRLN572</transferAgentLei>
            <transferAgentStateCountry transferAgentState="US-MA" transferAgentCountry="US"/>
            <isTransferAgentAffiliated>N</isTransferAgentAffiliated>
            <isTransferAgentSubAgent>N</isTransferAgentSubAgent>
          </transferAgent>
        </transferAgents>
        <isTransferAgentHiredOrTerminated>Y</isTransferAgentHiredOrTerminated>
        <pricingServices>
          <pricingService>
            <pricingServiceName>ICE Data Pricing and Reference Data, LLC</pricingServiceName>
            <pricingServiceLei>5493000NQ9LYLDBCTL34</pricingServiceLei>
            <pricingServiceStateCountry pricingServiceState="US-NY" pricingServiceCountry="US"/>
            <isPricingServiceAffiliated>N</isPricingServiceAffiliated>
          </pricingService>
          <pricingService>
            <pricingServiceName>IHS MARKIT GROUP HOLDINGS LIMITED</pricingServiceName>
            <pricingServiceLei>2138005LTLTVZ4WMEX25</pricingServiceLei>
            <pricingServiceCountry>GB</pricingServiceCountry>
            <isPricingServiceAffiliated>N</isPricingServiceAffiliated>
          </pricingService>
          <pricingService>
            <pricingServiceName>Refinitiv</pricingServiceName>
            <pricingServiceLei>N/A</pricingServiceLei>
            <pricingServiceStateCountry pricingServiceState="US-DE" pricingServiceCountry="US"/>
            <isPricingServiceAffiliated>N</isPricingServiceAffiliated>
          </pricingService>
          <pricingService>
            <pricingServiceName>ITG Solutions Network, Inc.</pricingServiceName>
            <pricingServiceLei>N/A</pricingServiceLei>
            <pricingServiceStateCountry pricingServiceState="US-NY" pricingServiceCountry="US"/>
            <isPricingServiceAffiliated>N</isPricingServiceAffiliated>
          </pricingService>
          <pricingService>
            <pricingServiceName>PricingDirect Inc.</pricingServiceName>
            <pricingServiceLei>549300WIC0TOJ7N7GD54</pricingServiceLei>
            <pricingServiceStateCountry pricingServiceState="US-NY" pricingServiceCountry="US"/>
            <isPricingServiceAffiliated>N</isPricingServiceAffiliated>
          </pricingService>
          <pricingService>
            <pricingServiceName>Interactive Data Real Time Services, Inc.</pricingServiceName>
            <pricingServiceLei>N/A</pricingServiceLei>
            <pricingServiceStateCountry pricingServiceState="US-NY" pricingServiceCountry="US"/>
            <isPricingServiceAffiliated>N</isPricingServiceAffiliated>
          </pricingService>
        </pricingServices>
        <isPricingServiceHiredOrTerminated>Y</isPricingServiceHiredOrTerminated>
        <custodians>
          <custodian>
            <custodianName>State Street Bank and Trust Company</custodianName>
            <custodianLei>571474TGEMMWANRLN572</custodianLei>
            <custodianStateCountry custodianState="US-MA" custodianCountry="US"/>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>N</isSubCustodian>
            <custodyType>Bank - section 17(f)(1) (15 U.S.C. 80a-17(f)(1))</custodyType>
          </custodian>
          <custodian>
            <custodianName>HSBC BANK (CHINA) COMPANY LIMITED</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>CN</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>CLARSTREAM BANKING AG</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>DE</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>SKANDINAVISKA ENSKILDA BANKEN</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>DK</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>DEUTSCHE BANK SOCIEDAD ANONIMA ESPA</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>ES</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>SKANDINAVISKA ENSKILDA BANKEN</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>FI</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>DEUTSCHE BANK AG</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>FR</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>STATE STREET BANK LONDON</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>GB</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>STANDARD CHARTERED BNK (HONG KONG)</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>HK</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>CITIBANK EUROPE PLC HUNGARIAN BRANCH</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>HU</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>DUETSCHE BANK AG</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>ID</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>Citibank N.A.</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>AR</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>BANK HAPOALIM B.M.</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>IL</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>DUETSCHE BANK AG</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>IT</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>MIZUHO BANK, LTD</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>JP</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>DEUTSCHE BANK AG</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>KR</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>CITIBANK NA MEXICO</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>MX</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>DEUTSCHE BABNK (MALAYSIA) BERHAD</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>MY</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>DEUTSCHE BANK AG</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>NL</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>SKANDINAVISKA ENSKILDA BANKEN</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>NO</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>CITIBANK NA LIMA</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>PE</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>DEUTSCHE BANK AG</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>PH</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>Unicredit bank Austrial AG</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>AT</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>BANK HANDLOWY W WARSZAWIE SA</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>PL</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>DUETSCHE BANK AG</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>PT</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>AO CITIBANK, MOSCOW</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>RU</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>SKANDINAVISKA ENSKILDA BANKEN AB</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>SE</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>CITIBANK N.A.</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>SG</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>STANDARD CHARTERED BANK (THAI) PCL</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>TH</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>DUETSCHE BANK AS</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>TR</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>DEUTSCHE BANK AS</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>TW</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>STANDARD BANK OF SOUTH AFRICA LIMIT</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>ZA</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>HSBC BANK AUSTRALIA LIMITED</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>AU</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>DEUTSCHE BANK AG</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>BE</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>CITIBANK NA SAO PAULO BRAZIL</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>BR</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>State Street Trust Company Canada</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>CA</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>UBS SWITZERLAND AG</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>CH</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>ITAU CORPBANCA</custodianName>
            <custodianLei>N/A</custodianLei>
            <custodianCountry>CL</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
        </custodians>
        <isCustodianHiredOrTerminated>Y</isCustodianHiredOrTerminated>
        <shareholderServicingAgents>
          <shareholderServicingAgent>
            <shareholderServiceAgentName>State Street Bank and Trust Company</shareholderServiceAgentName>
            <shareholderServiceAgentLei>571474TGEMMWANRLN572</shareholderServiceAgentLei>
            <shareholderServiceAgentStateCountry shareholderServiceAgentState="US-MA" shareholderServiceAgentCountry="US"/>
            <isShareholderServiceAgentAffiliated>N</isShareholderServiceAgentAffiliated>
            <isShareholderServiceAgentSubshare>N</isShareholderServiceAgentSubshare>
          </shareholderServicingAgent>
        </shareholderServicingAgents>
        <isShareholderServiceHiredTerminated>Y</isShareholderServiceHiredTerminated>
        <admins>
          <admin>
            <adminName>American Century Services, LLC</adminName>
            <adminLei>84-01406</adminLei>
            <idNumberDesc>SEC file number</idNumberDesc>
            <adminStateCountry adminState="US-MO" adminCountry="US"/>
            <isAdminAffiliated>Y</isAdminAffiliated>
            <isAdminSubAdmin>N</isAdminSubAdmin>
          </admin>
          <admin>
            <adminName>State Street Bank and Trust Company</adminName>
            <adminLei>571474TGEMMWANRLN572</adminLei>
            <adminStateCountry adminState="US-MA" adminCountry="US"/>
            <isAdminAffiliated>N</isAdminAffiliated>
            <isAdminSubAdmin>N</isAdminSubAdmin>
          </admin>
        </admins>
        <isAdminHiredOrTerminated>Y</isAdminHiredOrTerminated>
        <brokerDealers>
          <brokerDealer>
            <brokerDealerName>American Century Investment Services, Inc.</brokerDealerName>
            <brokerDealerFileNo>8-35220</brokerDealerFileNo>
            <brokerDealerCrdNo>000017437</brokerDealerCrdNo>
            <brokerDealerLei>N/A</brokerDealerLei>
            <brokerDealerStateCountry brokerDealerState="US-MO" brokerDealerCountry="US"/>
            <brokerDealerCommission>0.000000000000</brokerDealerCommission>
          </brokerDealer>
        </brokerDealers>
        <brokers>
          <broker>
            <brokerName>Sanford C. Bernstein</brokerName>
            <brokerFileNo>008-52942</brokerFileNo>
            <brokerCrdNo>000104474</brokerCrdNo>
            <brokerLei>549300GA5IHQHIM7CU60</brokerLei>
            <brokerStateCountry brokerState="US-NY" brokerCountry="US"/>
            <grossCommission>4228.970000000000</grossCommission>
          </broker>
          <broker>
            <brokerName>Morgan Stanley</brokerName>
            <brokerFileNo>008-15869</brokerFileNo>
            <brokerCrdNo>000008209</brokerCrdNo>
            <brokerLei>9R7GPTSO7KV3UQJZQ078</brokerLei>
            <brokerStateCountry brokerState="US-NY" brokerCountry="US"/>
            <grossCommission>1269.330000000000</grossCommission>
          </broker>
          <broker>
            <brokerName>J.P. Morgan Securities</brokerName>
            <brokerFileNo>008-35008</brokerFileNo>
            <brokerCrdNo>000000079</brokerCrdNo>
            <brokerLei>ZBUT11V806EZRVTWT807</brokerLei>
            <brokerStateCountry brokerState="US-NY" brokerCountry="US"/>
            <grossCommission>780.200000000000</grossCommission>
          </broker>
          <broker>
            <brokerName>Citigroup Capital Markets Inc</brokerName>
            <brokerFileNo>008-08177</brokerFileNo>
            <brokerCrdNo>000007059</brokerCrdNo>
            <brokerLei>MBNUM2BPBDO7JBLYG310</brokerLei>
            <brokerStateCountry brokerState="US-NY" brokerCountry="US"/>
            <grossCommission>458.570000000000</grossCommission>
          </broker>
          <broker>
            <brokerName>Bank of America Merrill Lynch</brokerName>
            <brokerFileNo>008-07221</brokerFileNo>
            <brokerCrdNo>000007691</brokerCrdNo>
            <brokerLei>8NAV47T0Y26Q87Y0QP81</brokerLei>
            <brokerStateCountry brokerState="US-NY" brokerCountry="US"/>
            <grossCommission>449.820000000000</grossCommission>
          </broker>
          <broker>
            <brokerName>Credit Suisse First Boston Corp</brokerName>
            <brokerFileNo>008-00422</brokerFileNo>
            <brokerCrdNo>000000816</brokerCrdNo>
            <brokerLei>1V8Y6QCX6YMJ2OELII46</brokerLei>
            <brokerStateCountry brokerState="US-NY" brokerCountry="US"/>
            <grossCommission>391.910000000000</grossCommission>
          </broker>
          <broker>
            <brokerName>SG Americas Securities, LLC</brokerName>
            <brokerFileNo>008-66125</brokerFileNo>
            <brokerCrdNo>000128351</brokerCrdNo>
            <brokerLei>549300USLFO4ME4XBQ71</brokerLei>
            <brokerStateCountry brokerState="US-NY" brokerCountry="US"/>
            <grossCommission>203.710000000000</grossCommission>
          </broker>
          <broker>
            <brokerName>UBS Warburg</brokerName>
            <brokerFileNo>008-22651</brokerFileNo>
            <brokerCrdNo>000007654</brokerCrdNo>
            <brokerLei>T6FIZBDPKLYJKFCRVK44</brokerLei>
            <brokerStateCountry brokerState="US-NY" brokerCountry="US"/>
            <grossCommission>68.640000000000</grossCommission>
          </broker>
          <broker>
            <brokerName>Jefferies LLC</brokerName>
            <brokerFileNo>008-15074</brokerFileNo>
            <brokerCrdNo>000002347</brokerCrdNo>
            <brokerLei>58PU97L1C0WSRCWADL48</brokerLei>
            <brokerStateCountry brokerState="US-NY" brokerCountry="US"/>
            <grossCommission>3.650000000000</grossCommission>
          </broker>
        </brokers>
        <aggregateCommission>7854.810000000000</aggregateCommission>
        <principalTransactions>
          <principalTransaction>
            <principalName>Morgan Stanley</principalName>
            <principalFileNo>008-15869</principalFileNo>
            <principalCrdNo>000008209</principalCrdNo>
            <principalLei>9R7GPTSO7KV3UQJZQ078</principalLei>
            <principalStateCountry principalState="US-NY" principalCountry="US"/>
            <principalTotalPurchaseSale>3268207.000000000000</principalTotalPurchaseSale>
          </principalTransaction>
          <principalTransaction>
            <principalName>Bank of America Merrill Lynch</principalName>
            <principalFileNo>008-07221</principalFileNo>
            <principalCrdNo>000007691</principalCrdNo>
            <principalLei>8NAV47T0Y26Q87Y0QP81</principalLei>
            <principalStateCountry principalState="US-NY" principalCountry="US"/>
            <principalTotalPurchaseSale>1302772.000000000000</principalTotalPurchaseSale>
          </principalTransaction>
          <principalTransaction>
            <principalName>J.P. Morgan Securities</principalName>
            <principalFileNo>008-35008</principalFileNo>
            <principalCrdNo>000000079</principalCrdNo>
            <principalLei>ZBUT11V806EZRVTWT807</principalLei>
            <principalStateCountry principalState="US-NY" principalCountry="US"/>
            <principalTotalPurchaseSale>1073732.000000000000</principalTotalPurchaseSale>
          </principalTransaction>
          <principalTransaction>
            <principalName>Goldman Sachs</principalName>
            <principalFileNo>008-00129</principalFileNo>
            <principalCrdNo>000000361</principalCrdNo>
            <principalLei>FOR8UP27PHTHYVLBNG30</principalLei>
            <principalStateCountry principalState="US-NY" principalCountry="US"/>
            <principalTotalPurchaseSale>711359.000000000000</principalTotalPurchaseSale>
          </principalTransaction>
          <principalTransaction>
            <principalName>Credit Suisse First Boston Corp</principalName>
            <principalFileNo>008-00422</principalFileNo>
            <principalCrdNo>000000816</principalCrdNo>
            <principalLei>1V8Y6QCX6YMJ2OELII46</principalLei>
            <principalStateCountry principalState="US-NY" principalCountry="US"/>
            <principalTotalPurchaseSale>614974.000000000000</principalTotalPurchaseSale>
          </principalTransaction>
          <principalTransaction>
            <principalName>UBS Warburg</principalName>
            <principalFileNo>008-22651</principalFileNo>
            <principalCrdNo>000007654</principalCrdNo>
            <principalLei>T6FIZBDPKLYJKFCRVK44</principalLei>
            <principalStateCountry principalState="US-NY" principalCountry="US"/>
            <principalTotalPurchaseSale>157473.000000000000</principalTotalPurchaseSale>
          </principalTransaction>
          <principalTransaction>
            <principalName>International Flavors &amp; Fragrances Inc</principalName>
            <principalFileNo>N/A</principalFileNo>
            <principalCrdNo>N/A</principalCrdNo>
            <principalLei>N/A</principalLei>
            <principalCountry>IL</principalCountry>
            <principalTotalPurchaseSale>94.420000000000</principalTotalPurchaseSale>
          </principalTransaction>
          <principalTransaction>
            <principalName>Sanford C. Bernstein</principalName>
            <principalFileNo>008-52942</principalFileNo>
            <principalCrdNo>000104474</principalCrdNo>
            <principalLei>549300GA5IHQHIM7CU60</principalLei>
            <principalStateCountry principalState="US-NY" principalCountry="US"/>
            <principalTotalPurchaseSale>24.000000000000</principalTotalPurchaseSale>
          </principalTransaction>
        </principalTransactions>
        <principalAggregatePurchase>7128636.420000000000</principalAggregatePurchase>
        <isBrokerageResearchPayment>N</isBrokerageResearchPayment>
        <mnthlyAvgNetAssets>13678790.766153800000</mnthlyAvgNetAssets>
        <hasLineOfCredit>N</hasLineOfCredit>
        <isInterfundLending>N</isInterfundLending>
        <isInterfundBorrowing>N</isInterfundBorrowing>
        <isSwingPricing>N</isSwingPricing>
      </managementInvestmentQuestion>
      <managementInvestmentQuestion>
        <mgmtInvFundName>American Century STOXX U.S. Quality Growth ETF</mgmtInvFundName>
        <mgmtInvSeriesId>S000062302</mgmtInvSeriesId>
        <mgmtInvLei>549300ZXOPJZ7M0QNG29</mgmtInvLei>
        <isFirstFilingByFund>Y</isFirstFilingByFund>
        <numAuthorizedClass>1</numAuthorizedClass>
        <numAddedClass>1</numAddedClass>
        <numTerminatedClass>0</numTerminatedClass>
        <sharesOutstandings>
          <sharesOutstanding sharesOutstandingClassName="American Century STOXX U.S. Quality Growth ETF" sharesOutstandingClassId="C000202059" sharesOutstandingTickerSymbol="QGRO"/>
        </sharesOutstandings>
        <fundTypes>
          <fundType>Exchange-Traded Fund</fundType>
          <indexFundInfo fundType="Index Fund">
            <isIndexFundAffiliated>N</isIndexFundAffiliated>
            <isIndexFundExclusive>Y</isIndexFundExclusive>
            <indexFundReturnDiffBeforeExpense>0.012908391351</indexFundReturnDiffBeforeExpense>
            <indexFundReturnDiffAfterExpense>-0.295336469711</indexFundReturnDiffAfterExpense>
            <indexFundReturnDailyStdevBeforeExpense>0.005721558988</indexFundReturnDailyStdevBeforeExpense>
            <indexFundReturnDailyStdevAfterExpense>0.005874495211</indexFundReturnDailyStdevAfterExpense>
          </indexFundInfo>
        </fundTypes>
        <isNonDiversifiedCompany>N</isNonDiversifiedCompany>
        <isForeignSubsidiary>N</isForeignSubsidiary>
        <isFundSecuritiesLending>Y</isFundSecuritiesLending>
        <didFundLendSecurities>N</didFundLendSecurities>
        <securityLendings>
          <securityLending>
            <securitiesAgentName>State Street Bank and Trust Company</securitiesAgentName>
            <securitiesAgentLei>571474TGEMMWANRLN572</securitiesAgentLei>
            <isSecuritiesAgentAffiliated>N</isSecuritiesAgentAffiliated>
            <securityAgentIdemnity isSecurityAgentIdemnity="Y">
              <idemnityProviders>
                <idemnityProvider idemnityProviderName="N/A" idemnityProviderLei="N/A"/>
              </idemnityProviders>
              <didIndemnificationRights>N</didIndemnificationRights>
            </securityAgentIdemnity>
          </securityLending>
        </securityLendings>
        <paymentToAgentManagerType>N/A</paymentToAgentManagerType>
        <avgPortfolioSecuritiesValue>N/A</avgPortfolioSecuritiesValue>
        <netIncomeSecuritiesLending>N/A</netIncomeSecuritiesLending>
        <relyOnRuleTypes>
          <relyOnRuleType>Rule 12d1-1 (17 CFR 270.12d1-1)</relyOnRuleType>
          <relyOnRuleType>Rule 32a-4 (17 CFR 270.32a-4)</relyOnRuleType>
        </relyOnRuleTypes>
        <isExpenseLimitationInPlace>N</isExpenseLimitationInPlace>
        <isExpenseReducedOrWaived>N</isExpenseReducedOrWaived>
        <isFeesWaivedRecoupable>N</isFeesWaivedRecoupable>
        <isExpenseWaivedRecoupable>N</isExpenseWaivedRecoupable>
        <investmentAdvisers>
          <investmentAdviser>
            <investmentAdviserName>American Century Investment Management, Inc.</investmentAdviserName>
            <investmentAdviserFileNo>801-08174</investmentAdviserFileNo>
            <investmentAdviserCrdNo>000105778</investmentAdviserCrdNo>
            <investmentAdviserLei>EM2U0UPRO83F878KCP52</investmentAdviserLei>
            <investmentAdviserStateCountry investmentAdviserState="US-MO" investmentAdviserCountry="US"/>
            <investmentAdviserHired isInvestmentAdviserHired="Y">
              <investmentAdviserStartDate>2018-07-05</investmentAdviserStartDate>
            </investmentAdviserHired>
          </investmentAdviser>
        </investmentAdvisers>
        <transferAgents>
          <transferAgent>
            <transferAgentName>State Street Bank and Trust Company</transferAgentName>
            <transferAgentFileNo>85-05003</transferAgentFileNo>
            <transferAgentLei>571474TGEMMWANRLN572</transferAgentLei>
            <transferAgentStateCountry transferAgentState="US-MA" transferAgentCountry="US"/>
            <isTransferAgentAffiliated>N</isTransferAgentAffiliated>
            <isTransferAgentSubAgent>N</isTransferAgentSubAgent>
          </transferAgent>
        </transferAgents>
        <isTransferAgentHiredOrTerminated>Y</isTransferAgentHiredOrTerminated>
        <pricingServices>
          <pricingService>
            <pricingServiceName>ICE Data Pricing and Reference Data, LLC</pricingServiceName>
            <pricingServiceLei>5493000NQ9LYLDBCTL34</pricingServiceLei>
            <pricingServiceStateCountry pricingServiceState="US-NY" pricingServiceCountry="US"/>
            <isPricingServiceAffiliated>N</isPricingServiceAffiliated>
          </pricingService>
          <pricingService>
            <pricingServiceName>IHS MARKIT GROUP HOLDINGS LIMITED</pricingServiceName>
            <pricingServiceLei>2138005LTLTVZ4WMEX25</pricingServiceLei>
            <pricingServiceCountry>GB</pricingServiceCountry>
            <isPricingServiceAffiliated>N</isPricingServiceAffiliated>
          </pricingService>
          <pricingService>
            <pricingServiceName>Refinitiv</pricingServiceName>
            <pricingServiceLei>N/A</pricingServiceLei>
            <pricingServiceStateCountry pricingServiceState="US-DE" pricingServiceCountry="US"/>
            <isPricingServiceAffiliated>N</isPricingServiceAffiliated>
          </pricingService>
          <pricingService>
            <pricingServiceName>ITG Solutions Network, Inc.</pricingServiceName>
            <pricingServiceLei>N/A</pricingServiceLei>
            <pricingServiceStateCountry pricingServiceState="US-NY" pricingServiceCountry="US"/>
            <isPricingServiceAffiliated>N</isPricingServiceAffiliated>
          </pricingService>
          <pricingService>
            <pricingServiceName>PricingDirect Inc.</pricingServiceName>
            <pricingServiceLei>549300WIC0TOJ7N7GD54</pricingServiceLei>
            <pricingServiceStateCountry pricingServiceState="US-NY" pricingServiceCountry="US"/>
            <isPricingServiceAffiliated>N</isPricingServiceAffiliated>
          </pricingService>
          <pricingService>
            <pricingServiceName>Interactive Data Real Time Services, Inc.</pricingServiceName>
            <pricingServiceLei>N/A</pricingServiceLei>
            <pricingServiceStateCountry pricingServiceState="US-NY" pricingServiceCountry="US"/>
            <isPricingServiceAffiliated>N</isPricingServiceAffiliated>
          </pricingService>
        </pricingServices>
        <isPricingServiceHiredOrTerminated>Y</isPricingServiceHiredOrTerminated>
        <custodians>
          <custodian>
            <custodianName>State Street Bank and Trust Company</custodianName>
            <custodianLei>571474TGEMMWANRLN572</custodianLei>
            <custodianStateCountry custodianState="US-MA" custodianCountry="US"/>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>N</isSubCustodian>
            <custodyType>Bank - section 17(f)(1) (15 U.S.C. 80a-17(f)(1))</custodyType>
          </custodian>
        </custodians>
        <isCustodianHiredOrTerminated>Y</isCustodianHiredOrTerminated>
        <shareholderServicingAgents>
          <shareholderServicingAgent>
            <shareholderServiceAgentName>State Street Bank and Trust Company</shareholderServiceAgentName>
            <shareholderServiceAgentLei>571474TGEMMWANRLN572</shareholderServiceAgentLei>
            <shareholderServiceAgentStateCountry shareholderServiceAgentState="US-MA" shareholderServiceAgentCountry="US"/>
            <isShareholderServiceAgentAffiliated>N</isShareholderServiceAgentAffiliated>
            <isShareholderServiceAgentSubshare>N</isShareholderServiceAgentSubshare>
          </shareholderServicingAgent>
        </shareholderServicingAgents>
        <isShareholderServiceHiredTerminated>Y</isShareholderServiceHiredTerminated>
        <admins>
          <admin>
            <adminName>American Century Services, LLC</adminName>
            <adminLei>84-01406</adminLei>
            <idNumberDesc>SEC file number</idNumberDesc>
            <adminStateCountry adminState="US-MO" adminCountry="US"/>
            <isAdminAffiliated>Y</isAdminAffiliated>
            <isAdminSubAdmin>N</isAdminSubAdmin>
          </admin>
          <admin>
            <adminName>State Street Bank and Trust Company</adminName>
            <adminLei>571474TGEMMWANRLN572</adminLei>
            <adminStateCountry adminState="US-MA" adminCountry="US"/>
            <isAdminAffiliated>N</isAdminAffiliated>
            <isAdminSubAdmin>N</isAdminSubAdmin>
          </admin>
        </admins>
        <isAdminHiredOrTerminated>Y</isAdminHiredOrTerminated>
        <brokerDealers>
          <brokerDealer>
            <brokerDealerName>American Century Investment Services, Inc.</brokerDealerName>
            <brokerDealerFileNo>8-35220</brokerDealerFileNo>
            <brokerDealerCrdNo>000017437</brokerDealerCrdNo>
            <brokerDealerLei>N/A</brokerDealerLei>
            <brokerDealerStateCountry brokerDealerState="US-MO" brokerDealerCountry="US"/>
            <brokerDealerCommission>0.000000000000</brokerDealerCommission>
          </brokerDealer>
        </brokerDealers>
        <brokers>
          <broker>
            <brokerName>J.P. Morgan Securities</brokerName>
            <brokerFileNo>008-35008</brokerFileNo>
            <brokerCrdNo>000000079</brokerCrdNo>
            <brokerLei>ZBUT11V806EZRVTWT807</brokerLei>
            <brokerStateCountry brokerState="US-NY" brokerCountry="US"/>
            <grossCommission>1632.070000000000</grossCommission>
          </broker>
          <broker>
            <brokerName>Barclays Capital</brokerName>
            <brokerFileNo>008-41342</brokerFileNo>
            <brokerCrdNo>000019714</brokerCrdNo>
            <brokerLei>AC28XWWI3WIBK2824319</brokerLei>
            <brokerStateCountry brokerState="US-NY" brokerCountry="US"/>
            <grossCommission>5.480000000000</grossCommission>
          </broker>
          <broker>
            <brokerName>SG Americas Securities, LLC</brokerName>
            <brokerFileNo>008-66125</brokerFileNo>
            <brokerCrdNo>000128351</brokerCrdNo>
            <brokerLei>549300USLFO4ME4XBQ71</brokerLei>
            <brokerStateCountry brokerState="US-NY" brokerCountry="US"/>
            <grossCommission>1580.520000000000</grossCommission>
          </broker>
          <broker>
            <brokerName>UBS Warburg</brokerName>
            <brokerFileNo>008-22651</brokerFileNo>
            <brokerCrdNo>000007654</brokerCrdNo>
            <brokerLei>T6FIZBDPKLYJKFCRVK44</brokerLei>
            <brokerStateCountry brokerState="US-NY" brokerCountry="US"/>
            <grossCommission>1212.270000000000</grossCommission>
          </broker>
          <broker>
            <brokerName>Credit Suisse First Boston Corp</brokerName>
            <brokerFileNo>008-00422</brokerFileNo>
            <brokerCrdNo>000000816</brokerCrdNo>
            <brokerLei>1V8Y6QCX6YMJ2OELII46</brokerLei>
            <brokerStateCountry brokerState="US-NY" brokerCountry="US"/>
            <grossCommission>663.700000000000</grossCommission>
          </broker>
          <broker>
            <brokerName>Jefferies LLC</brokerName>
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    <signature registrantSignedName="AMERICAN CENTURY ETF TRUST" signedDate="2019-11-06" signature="Amy R. Bitter" title="Assistant Treasurer"/>
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