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          <ccc>XXXXXXXX</ccc>
        </issuerCredentials>
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        <classId>C000074276</classId>
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    </filerInfo>
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      <regName>MFS SERIES TRUST XIII</regName>
      <regFileNumber>811-03327</regFileNumber>
      <regCik>0000356349</regCik>
      <regLei>5493000SCRZM3WD72S74</regLei>
      <regStreet1>111 HUNTINGTON AVENUE</regStreet1>
      <regStreet2>24TH FLOOR</regStreet2>
      <regCity>BOSTON</regCity>
      <regStateConditional regCountry="US" regState="US-MA"/>
      <regZipOrPostalCode>02199</regZipOrPostalCode>
      <regPhone>617-954-5000</regPhone>
      <seriesName>MFS Global Real Estate Fund</seriesName>
      <seriesId>S000024971</seriesId>
      <seriesLei>ROYDM6SL56ZXYAENS860</seriesLei>
      <repPdEnd>2020-08-31</repPdEnd>
      <repPdDate>2019-11-30</repPdDate>
      <isFinalFiling>N</isFinalFiling>
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      <totLiabs>967030.56</totLiabs>
      <netAssets>1799072563.42</netAssets>
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      <assetsInvested>0.00000000</assetsInvested>
      <amtPayOneYrBanksBorr>0.00000000</amtPayOneYrBanksBorr>
      <amtPayOneYrCtrldComp>0.00000000</amtPayOneYrCtrldComp>
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        <fairValLevel>1</fairValLevel>
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        <name>Daiwa House Industry Co Ltd</name>
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      <invstOrSec>
        <name>Mid-America Apartment Communities Inc</name>
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        <fairValLevel>1</fairValLevel>
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      <invstOrSec>
        <name>Equity LifeStyle Properties Inc</name>
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      <invstOrSec>
        <name>Grainger PLC</name>
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      <invstOrSec>
        <name>LondonMetric Property PLC</name>
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        <name>National Storage REIT</name>
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        <name>VICI Properties Inc</name>
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        <name>Advance Residence Investment Corp</name>
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        <name>UNITE Group PLC/The</name>
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        <fairValLevel>1</fairValLevel>
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        <name>Farmland Partners Inc</name>
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        <name>Kenedix Office Investment Corp</name>
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        <name>STORE Capital Corp</name>
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        <name>Ascendas India Trust</name>
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      <invstOrSec>
        <name>Embassy Office Parks REIT</name>
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        <name>Atrium European Real Estate Ltd</name>
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      <invstOrSec>
        <name>American Tower Corp</name>
        <lei>5493006ORUSIL88JOE18</lei>
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      <invstOrSec>
        <name>Mapletree Logistics Trust</name>
        <lei>549300M9EBZIYH387075</lei>
        <title>Mapletree Logistics Trust</title>
        <cusip>000000000</cusip>
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          <isin value="SG1S03926213"/>
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        <invCountry>SG</invCountry>
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        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>Industrial Logistics Properties Trust</name>
        <lei>N/A</lei>
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        <cusip>456237106</cusip>
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          <isin value="US4562371066"/>
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        <assetCat>EC</assetCat>
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        <invCountry>US</invCountry>
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        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>Central Pattana PCL</name>
        <lei>N/A</lei>
        <title>Central Pattana PCL</title>
        <cusip>000000000</cusip>
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          <isin value="TH0481B10Z18"/>
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        <assetCat>EC</assetCat>
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        <invCountry>TH</invCountry>
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        <fairValLevel>2</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>Sun Communities Inc</name>
        <lei>549300H5GEOJYN41ZG57</lei>
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          <isin value="US8666741041"/>
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        <invCountry>US</invCountry>
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        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>Rexford Industrial Realty Inc</name>
        <lei>549300MSLO0DF0EMX355</lei>
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          <isin value="US76169C1009"/>
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        <curCd>USD</curCd>
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        <assetCat>EC</assetCat>
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        <invCountry>US</invCountry>
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        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>MFS Institutional Money Market Portfolio</name>
        <lei>5L2W638H85N8T1136O07</lei>
        <title>MFS Institutional Money Market Portfolio</title>
        <cusip>55291X109</cusip>
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          <isin value="US55291X1090"/>
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        <balance>69344538.09100000</balance>
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        <curCd>USD</curCd>
        <valUSD>69351472.54000000</valUSD>
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        <assetCat>STIV</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
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        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>Prologis Inc</name>
        <lei>529900DFH19P073LZ636</lei>
        <title>Prologis Inc</title>
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          <isin value="US74340W1036"/>
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        <curCd>USD</curCd>
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        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
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        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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      </invstOrSec>
      <invstOrSec>
        <name>Unibail-Rodamco-Westfield</name>
        <lei>N/A</lei>
        <title>Unibail-Rodamco-Westfield</title>
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          <isin value="FR0013326246"/>
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        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>FR</invCountry>
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        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>American Homes 4 Rent</name>
        <lei>549300ZJUO7A58PNUW40</lei>
        <title>American Homes 4 Rent</title>
        <cusip>02665T306</cusip>
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          <isin value="US02665T3068"/>
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        <curCd>USD</curCd>
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        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
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        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>Medical Properties Trust Inc</name>
        <lei>254900U6E39J1MQCCY14</lei>
        <title>Medical Properties Trust Inc</title>
        <cusip>58463J304</cusip>
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          <isin value="US58463J3041"/>
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        <balance>990365.00000000</balance>
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        <curCd>USD</curCd>
        <valUSD>20559977.40000000</valUSD>
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        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
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        <invCountry>US</invCountry>
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        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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          <isLoanByFund>N</isLoanByFund>
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      </invstOrSec>
      <invstOrSec>
        <name>Big Yellow Group PLC</name>
        <lei>213800W7Q4V2ZI8LIW31</lei>
        <title>Big Yellow Group PLC</title>
        <cusip>000000000</cusip>
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          <isin value="GB0002869419"/>
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        <balance>1844414.00000000</balance>
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        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>GB</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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          <isLoanByFund>N</isLoanByFund>
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      <invstOrSec>
        <name>Fortune Real Estate Investment Trust</name>
        <lei>N/A</lei>
        <title>Fortune Real Estate Investment Trust</title>
        <cusip>000000000</cusip>
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          <isin value="SG1O33912138"/>
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        <balance>19568000.00000000</balance>
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        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>SG</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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          <isLoanByFund>N</isLoanByFund>
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      <invstOrSec>
        <name>Boardwalk Real Estate Investment Trust</name>
        <lei>N/A</lei>
        <title>Boardwalk Real Estate Investment Trust</title>
        <cusip>000000000</cusip>
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          <isin value="CA0966311064"/>
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        <balance>1031960.00000000</balance>
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        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>CA</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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          <isLoanByFund>N</isLoanByFund>
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      <invstOrSec>
        <name>Urban Edge Properties</name>
        <lei>N/A</lei>
        <title>Urban Edge Properties</title>
        <cusip>91704F104</cusip>
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          <isin value="US91704F1049"/>
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        <balance>1638485.00000000</balance>
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        <curCd>USD</curCd>
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        <assetCat>EC</assetCat>
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        <invCountry>US</invCountry>
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        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>AvalonBay Communities Inc</name>
        <lei>K9G90K85RBWD2LAGQX17</lei>
        <title>AvalonBay Communities Inc</title>
        <cusip>053484101</cusip>
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          <isin value="US0534841012"/>
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        <curCd>USD</curCd>
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        <assetCat>EC</assetCat>
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        <invCountry>US</invCountry>
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        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>Warehouses De Pauw CVA</name>
        <lei>549300HWDYC5JXC85138</lei>
        <title>Warehouses De Pauw CVA</title>
        <cusip>000000000</cusip>
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          <isin value="BE0003763779"/>
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        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>BE</invCountry>
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        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>ESR CAYMAN LTD</name>
        <lei>549300C81AR42BZUFZ09</lei>
        <title>ESR Cayman Ltd</title>
        <cusip>000000000</cusip>
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          <isin value="KYG319891092"/>
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        <balance>6138000.00000000</balance>
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        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>KY</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>Daito Trust Construction Co Ltd</name>
        <lei>353800QQ4DRI3KXS3038</lei>
        <title>Daito Trust Construction Co Ltd</title>
        <cusip>000000000</cusip>
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          <isin value="JP3486800000"/>
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        <assetCat>EC</assetCat>
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        <invCountry>JP</invCountry>
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        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>Extra Space Storage Inc</name>
        <lei>N/A</lei>
        <title>Extra Space Storage Inc</title>
        <cusip>30225T102</cusip>
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          <isin value="US30225T1025"/>
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        <curCd>USD</curCd>
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        <assetCat>EC</assetCat>
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        <invCountry>US</invCountry>
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        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>Japan Logistics Fund Inc</name>
        <lei>3538004KZWISCQO70151</lei>
        <title>Japan Logistics Fund Inc</title>
        <cusip>000000000</cusip>
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          <isin value="JP3046230003"/>
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        <assetCat>EC</assetCat>
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        <invCountry>JP</invCountry>
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        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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          <isLoanByFund>N</isLoanByFund>
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      <invstOrSec>
        <name>Toll Brothers Inc</name>
        <lei>529900JB6IS9MSZGVR44</lei>
        <title>Toll Brothers Inc</title>
        <cusip>889478103</cusip>
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          <isin value="US8894781033"/>
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        <assetCat>EC</assetCat>
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        <invCountry>US</invCountry>
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        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>Equinix Inc</name>
        <lei>549300EVUN2BTLJ3GT74</lei>
        <title>Equinix Inc</title>
        <cusip>29444U700</cusip>
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          <isin value="US29444U7000"/>
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        <balance>65095.00000000</balance>
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        <curCd>USD</curCd>
        <valUSD>36899100.75000000</valUSD>
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        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
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        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>Simon Property Group Inc</name>
        <lei>529900GQL5X8H7AO3T64</lei>
        <title>Simon Property Group Inc</title>
        <cusip>828806109</cusip>
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          <isin value="US8288061091"/>
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        <balance>281007.00000000</balance>
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        <curCd>USD</curCd>
        <valUSD>42491068.47000000</valUSD>
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        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
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        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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          <isLoanByFund>N</isLoanByFund>
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      <invstOrSec>
        <name>Public Storage</name>
        <lei>549300LMZF40TKJ6DM64</lei>
        <title>Public Storage</title>
        <cusip>74460D109</cusip>
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          <isin value="US74460D1090"/>
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        <balance>314917.00000000</balance>
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        <curCd>USD</curCd>
        <valUSD>66346713.56000000</valUSD>
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        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
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      </invstOrSec>
      <invstOrSec>
        <name>Welltower Inc</name>
        <lei>T6IZ0MBEG5ACZDTR7D06</lei>
        <title>Welltower Inc</title>
        <cusip>95040Q104</cusip>
        <identifiers>
          <isin value="US95040Q1040"/>
        </identifiers>
        <balance>613573.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>51889868.61000000</valUSD>
        <pctVal>2.884256570027</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Mirvac Group</name>
        <lei>N/A</lei>
        <title>Mirvac Group</title>
        <cusip>000000000</cusip>
        <identifiers>
          <isin value="AU000000MGR9"/>
        </identifiers>
        <balance>7529303.00000000</balance>
        <units>NS</units>
        <currencyConditional curCd="AUD" exchangeRt="1.47841500"/>
        <valUSD>17162806.86000000</valUSD>
        <pctVal>0.953980801495</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>AU</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Alexandria Real Estate Equities Inc</name>
        <lei>MGCJBT4MKTQBVLNUIS88</lei>
        <title>Alexandria Real Estate Equities Inc</title>
        <cusip>015271109</cusip>
        <identifiers>
          <isin value="US0152711091"/>
        </identifiers>
        <balance>311324.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>50596376.48000000</valUSD>
        <pctVal>2.812358851374</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Shaftesbury PLC</name>
        <lei>213800N7LHKFNTDKAT98</lei>
        <title>Shaftesbury PLC</title>
        <cusip>000000000</cusip>
        <identifiers>
          <isin value="GB0007990962"/>
        </identifiers>
        <balance>2624307.00000000</balance>
        <units>NS</units>
        <currencyConditional curCd="GBP" exchangeRt="0.77321600"/>
        <valUSD>30783719.54000000</valUSD>
        <pctVal>1.711088266583</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>GB</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>WP Carey Inc</name>
        <lei>54930042CRNE713E3Q67</lei>
        <title>WP Carey Inc</title>
        <cusip>92936U109</cusip>
        <identifiers>
          <isin value="US92936U1097"/>
        </identifiers>
        <balance>355376.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>29645465.92000000</valUSD>
        <pctVal>1.647819355526</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Shurgard Self Storage SA</name>
        <lei>549300J0UEIKU81XO336</lei>
        <title>Shurgard Self Storage SA</title>
        <cusip>000000000</cusip>
        <identifiers>
          <isin value="LU1883301340"/>
        </identifiers>
        <balance>849752.00000000</balance>
        <units>NS</units>
        <currencyConditional curCd="EUR" exchangeRt="0.90760600"/>
        <valUSD>31505030.60000000</valUSD>
        <pctVal>1.751181761124</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>LU</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Link REIT</name>
        <lei>529900XUE70U36QX5M62</lei>
        <title>Link REIT</title>
        <cusip>000000000</cusip>
        <identifiers>
          <isin value="HK0823032773"/>
        </identifiers>
        <balance>5221905.00000000</balance>
        <units>NS</units>
        <currencyConditional curCd="HKD" exchangeRt="7.82820000"/>
        <valUSD>53365064.77000000</valUSD>
        <pctVal>2.966254160896</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>HK</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>STAG Industrial Inc</name>
        <lei>549300QWYX2W6FASVQ07</lei>
        <title>STAG Industrial Inc</title>
        <cusip>85254J102</cusip>
        <identifiers>
          <isin value="US85254J1025"/>
        </identifiers>
        <balance>985197.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>30531255.03000000</valUSD>
        <pctVal>1.697055230054</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Goodman Group</name>
        <lei>N/A</lei>
        <title>Goodman Group</title>
        <cusip>000000000</cusip>
        <identifiers>
          <isin value="AU000000GMG2"/>
        </identifiers>
        <balance>4771276.00000000</balance>
        <units>NS</units>
        <currencyConditional curCd="AUD" exchangeRt="1.47841500"/>
        <valUSD>47828458.40000000</valUSD>
        <pctVal>2.658506353355</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>AU</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Hang Lung Properties Ltd</name>
        <lei>529900CIVTNMXQT59E61</lei>
        <title>Hang Lung Properties Ltd</title>
        <cusip>000000000</cusip>
        <identifiers>
          <isin value="HK0101000591"/>
        </identifiers>
        <balance>14199256.00000000</balance>
        <units>NS</units>
        <currencyConditional curCd="HKD" exchangeRt="7.82820000"/>
        <valUSD>29094308.56000000</valUSD>
        <pctVal>1.617183717408</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>HK</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Deutsche Wohnen SE</name>
        <lei>529900QE24Q67I3FWZ10</lei>
        <title>Deutsche Wohnen SE</title>
        <cusip>000000000</cusip>
        <identifiers>
          <isin value="DE000A0HN5C6"/>
        </identifiers>
        <balance>934357.00000000</balance>
        <units>NS</units>
        <currencyConditional curCd="EUR" exchangeRt="0.90760600"/>
        <valUSD>36494861.92000000</valUSD>
        <pctVal>2.028537517721</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>DE</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>LEG Immobilien AG</name>
        <lei>391200SO40AKONBO0Z96</lei>
        <title>LEG Immobilien AG</title>
        <cusip>000000000</cusip>
        <identifiers>
          <isin value="DE000LEG1110"/>
        </identifiers>
        <balance>208985.00000000</balance>
        <units>NS</units>
        <currencyConditional curCd="EUR" exchangeRt="0.90760600"/>
        <valUSD>23590096.64000000</valUSD>
        <pctVal>1.311236529290</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>DE</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Entra ASA</name>
        <lei>549300APU14LQKTYCH34</lei>
        <title>Entra ASA</title>
        <cusip>000000000</cusip>
        <identifiers>
          <isin value="NO0010716418"/>
        </identifiers>
        <balance>1595188.00000000</balance>
        <units>NS</units>
        <currencyConditional curCd="NOK" exchangeRt="9.22080000"/>
        <valUSD>24219842.10000000</valUSD>
        <pctVal>1.346240423674</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>NO</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Corp Inmobiliaria Vesta SAB de</name>
        <lei>4469000001BIRIFZJ959</lei>
        <title>Corp Inmobiliaria Vesta SAB de CV</title>
        <cusip>000000000</cusip>
        <identifiers>
          <isin value="MX01VE0M0003"/>
        </identifiers>
        <balance>7850999.00000000</balance>
        <units>NS</units>
        <currencyConditional curCd="MXN" exchangeRt="19.57250000"/>
        <valUSD>13329349.69000000</valUSD>
        <pctVal>0.740901171026</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>MX</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
    </invstOrSecs>
    <explntrNotes>
      <explntrNote note="Monthly returns presented in Item B.5(a) have been calculated without deducting any applicable sales loads or redemption fees." noteItem="B.5.a"/>
    </explntrNotes>
    <signature>
      <ncom:dateSigned>2019-12-26</ncom:dateSigned>
      <ncom:nameOfApplicant>MFS SERIES TRUST XIII</ncom:nameOfApplicant>
      <ncom:signature>Kasey Phillips</ncom:signature>
      <ncom:signerName>Kasey Phillips</ncom:signerName>
      <ncom:title>Assistant Treasurer</ncom:title>
    </signature>
  </formData>
  <documents>XXXX</documents>
</edgarSubmission>
