NPORT-P
    false
    
      
      
        
          0000356349
          XXXXXXXX
        
      
      
      
      
        S000024971
        C000074276
        C000074273
        C000074271
        C000074270
        C000074275
        C000074274
        C000074272
        C000117929
        C000074269
      
      
      
    
  
  
    
      MFS SERIES TRUST XIII
      811-03327
      0000356349
      5493000SCRZM3WD72S74
      111 HUNTINGTON AVENUE
      BOSTON
      
      02199
      617-954-5000
      MFS Global Real Estate Fund
      S000024971
      ROYDM6SL56ZXYAENS860
      2021-08-31
      2021-08-31
      N
    
    
      2638421719.42
      5310648.01
      2633111071.41
      0.00000000
      0.00000000
      0.00000000
      0.00000000
      0.00000000
      0.00000000
      0.00000000
      0.00000000
      0.00000000
      0.00000000
      0.00000000
      0.00000000
      0.00000000
      4500364.38000000
      N
      
        
          
          
          
          
          
          
          
          
          
        
        
          
            
            
            
            
              
              
              
            
          
        
        
        
        
      
      
      
      
      
      
    
    
      
        LEG Immobilien SE
        391200SO40AKONBO0Z96
        LEG Immobilien SE
        000000000
        
          
        
        273570.00000000
        NS
        
        43607417.00000000
        1.656117642490
        Long
        EC
        CORP
        DE
        N
        
        1
        
          N
          N
          N
        
      
      
        Mapletree Commercial Trust
        549300BF18K4IC5LZ208
        Mapletree Commercial Trust
        000000000
        
          
        
        23715600.00000000
        NS
        
        35808448.06000000
        1.359929265757
        Long
        EC
        CORP
        SG
        N
        
        1
        
          N
          N
          N
        
      
      
        Corp Inmobiliaria Vesta SAB de CV
        4469000001BIRIFZJ959
        Corp Inmobiliaria Vesta SAB de CV
        000000000
        
          
        
        9004305.00000000
        NS
        
        16843842.80000000
        0.639693592225
        Long
        EC
        CORP
        MX
        N
        
        1
        
          N
          N
          N
        
      
      
        STORE Capital Corp
        5493004EA6C9IHDZ7N66
        STORE Capital Corp
        862121100
        
          
        
        1288235.00000000
        NS
        USD
        46466636.45000000
        1.764704761395
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Welltower Inc
        T6IZ0MBEG5ACZDTR7D06
        Welltower Inc
        95040Q104
        
          
        
        975943.00000000
        NS
        USD
        85424290.79000000
        3.244234233698
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Swire Properties Ltd
        5299001L12PHYVQ92465
        Swire Properties Ltd
        000000000
        
          
        
        12105200.00000000
        NS
        
        32763239.88000000
        1.244278687509
        Long
        EC
        CORP
        HK
        N
        
        1
        
          N
          N
          N
        
      
      
        QTS Realty Trust Inc
        5493006PA4CJK4OG2J54
        QTS Realty Trust Inc
        74736A103
        
          
        
        460115.00000000
        NS
        USD
        35879767.70000000
        1.362637835128
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Fibra Uno Administracion SA de CV
        N/A
        Fibra Uno Administracion SA de CV
        000000000
        
          
        
        18817478.00000000
        NS
        
        21409050.60000000
        0.813070547325
        Long
        EC
        CORP
        MX
        N
        
        1
        
          N
          N
          N
        
      
      
        Mapletree Logistics Trust
        549300M9EBZIYH387075
        Mapletree Logistics Trust
        000000000
        
          
        
        27267800.00000000
        NS
        
        41171954.33000000
        1.563623911540
        Long
        EC
        CORP
        SG
        N
        
        1
        
          N
          N
          N
        
      
      
        Sun Communities Inc
        549300H5GEOJYN41ZG57
        Sun Communities Inc
        866674104
        
          
        
        335563.00000000
        NS
        USD
        67612588.87000000
        2.567783395244
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Boston Properties Inc
        549300OF70FSEUQBT254
        Boston Properties Inc
        101121101
        
          
        
        271422.00000000
        NS
        USD
        30667971.78000000
        1.164704828177
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Prologis Inc
        529900DFH19P073LZ636
        Prologis Inc
        74340W103
        
          
        
        1261809.00000000
        NS
        USD
        169915199.94000000
        6.453020603077
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Phillips Edison & Co Inc
        549300UC1QJSQ49IC243
        Phillips Edison & Co Inc
        71844V201
        
          
        
        685127.00000000
        NS
        USD
        20594917.62000000
        0.782151495378
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        American Homes 4 Rent
        549300ZJUO7A58PNUW40
        American Homes 4 Rent
        02665T306
        
          
        
        1835844.00000000
        NS
        USD
        76995297.36000000
        2.924118856815
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Empire State Realty Trust Inc
        549300VOKY1DUEQSB456
        Empire State Realty Trust Inc
        292104106
        
          
        
        1019739.00000000
        NS
        USD
        10472719.53000000
        0.397731779859
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Rayonier Inc
        HGV8VDVNL0W6SF2U9C50
        Rayonier Inc
        754907103
        
          
        
        1100828.00000000
        NS
        USD
        40488453.84000000
        1.537666005798
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Goodman Group
        N/A
        Goodman Group
        000000000
        
          
        
        4170571.00000000
        NS
        
        70569172.95000000
        2.680068217259
        Long
        EC
        CORP
        AU
        N
        
        1
        
          N
          N
          N
        
      
      
        Big Yellow Group PLC
        213800W7Q4V2ZI8LIW31
        Big Yellow Group PLC
        000000000
        
          
        
        2269538.00000000
        NS
        
        47584188.26000000
        1.807147019989
        Long
        EC
        CORP
        GB
        N
        
        1
        
          N
          N
          N
        
      
      
        American Tower Corp
        5493006ORUSIL88JOE18
        American Tower Corp
        03027X100
        
          
        
        134791.00000000
        NS
        USD
        39381886.47000000
        1.495640913047
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Shurgard Self Storage SA
        549300J0UEIKU81XO336
        Shurgard Self Storage SA
        000000000
        
          
        
        620569.00000000
        NS
        
        37149772.65000000
        1.410869942151
        Long
        EC
        CORP
        LU
        
        N
        
        1
        
          N
          N
          N
        
      
      
        Advance Residence Investment Corp
        N/A
        Advance Residence Investment Corp
        000000000
        
          
        
        11938.00000000
        NS
        
        40637922.10000000
        1.543342494786
        Long
        EC
        CORP
        JP
        N
        
        1
        
          N
          N
          N
        
      
      
        Allied Properties Real Estate Investment Trust
        549300AMZMPKVHA0MY77
        Allied Properties Real Estate Investment Trust
        000000000
        
          
        
        523789.00000000
        NS
        
        17972358.27000000
        0.682552227482
        Long
        EC
        CORP
        CA
        N
        
        1
        
          N
          N
          N
        
      
      
        Alexandria Real Estate Equities Inc
        MGCJBT4MKTQBVLNUIS88
        Alexandria Real Estate Equities Inc
        015271109
        
          
        
        250558.00000000
        NS
        USD
        51707654.46000000
        1.963747561636
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Sino Land Co Ltd
        529900G5P51053HJVZ92
        Sino Land Co Ltd
        000000000
        
          
        
        18631635.00000000
        NS
        
        27453540.31000000
        1.042627506605
        Long
        EC
        CORP
        HK
        N
        
        1
        
          N
          N
          N
        
      
      
        Ascendas India Trust
        N/A
        Ascendas India Trust
        000000000
        
          
        
        19624400.00000000
        NS
        
        21165071.22000000
        0.803804725513
        Long
        EC
        CORP
        SG
        N
        
        1
        
          N
          N
          N
        
      
      
        ESR Cayman Ltd
        549300C81AR42BZUFZ09
        ESR Cayman Ltd
        000000000
        
          
        
        13448400.00000000
        NS
        
        40980923.05000000
        1.556368946793
        Long
        EC
        CORP
        KY
        
        N
        
        1
        
          N
          N
          N
        
      
      
        Brixmor Property Group Inc
        5299007UXW6Y0W2EGZ95
        Brixmor Property Group Inc
        11120U105
        
          
        
        1853594.00000000
        NS
        USD
        43466779.30000000
        1.650776519530
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Shaftesbury PLC
        213800N7LHKFNTDKAT98
        Shaftesbury PLC
        000000000
        
          
        
        5554186.00000000
        NS
        
        49176956.74000000
        1.867637004528
        Long
        EC
        CORP
        GB
        N
        
        1
        
          N
          N
          N
        
      
      
        Cellnex Telecom SA
        5493008T4YG3AQUI7P67
        Cellnex Telecom SA
        000000000
        
          
        
        933730.00000000
        NS
        
        63945123.44000000
        2.428500800224
        Long
        EC
        CORP
        ES
        N
        
        1
        
          N
          N
          N
        
      
      
        Host Hotels & Resorts Inc
        N6EL63S0K3PB1YFTDI24
        Host Hotels & Resorts Inc
        44107P104
        
          
        
        2034251.00000000
        NS
        USD
        33687196.56000000
        1.279368611744
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        EPR Properties
        549300YSSXFHMPOWZ492
        EPR Properties
        26884U109
        
          
        
        225841.00000000
        NS
        USD
        11461430.75000000
        0.435280944827
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Douglas Emmett Inc
        N/A
        Douglas Emmett Inc
        25960P109
        
          
        
        897613.00000000
        NS
        USD
        29630205.13000000
        1.125292641534
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Link REIT
        529900XUE70U36QX5M62
        Link REIT
        000000000
        
          
        
        3660505.00000000
        NS
        
        33675450.53000000
        1.278922522321
        Long
        EC
        CORP
        HK
        N
        
        1
        
          N
          N
          N
        
      
      
        Grainger PLC
        2138007CEIRKZMNI2979
        Grainger PLC
        000000000
        
          
        
        10227671.00000000
        NS
        
        44912478.65000000
        1.705681128975
        Long
        EC
        CORP
        GB
        N
        
        1
        
          N
          N
          N
        
      
      
        Helios Towers PLC
        213800DGC7GS4XCHCU30
        Helios Towers PLC
        000000000
        
          
        
        17837460.00000000
        NS
        
        42916710.20000000
        1.629886056307
        Long
        EC
        CORP
        GB
        
        N
        
        1
        
          N
          N
          N
        
      
      
        MFS Institutional Money Market Portfolio
        5L2W638H85N8T1136O07
        MFS Institutional Money Market Portfolio
        55291X109
        
          
        
        42419463.91400000
        NS
        USD
        42419463.91000000
        1.611001691899
        Long
        STIV
        RF
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        AvalonBay Communities Inc
        K9G90K85RBWD2LAGQX17
        AvalonBay Communities Inc
        053484101
        
          
        
        345923.00000000
        NS
        USD
        79417002.34000000
        3.016090099741
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Urban Edge Properties
        N/A
        Urban Edge Properties
        91704F104
        
          
        
        1956423.00000000
        NS
        USD
        37054651.62000000
        1.407257446232
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Granite Real Estate Investment Trust
        549300A6I7CLE0ZC0396
        Granite Real Estate Investment Trust
        000000000
        
          
        
        648354.00000000
        NS
        
        46805439.16000000
        1.777571773109
        Long
        EC
        CORP
        CA
        N
        
        1
        
          N
          N
          N
        
      
      
        UNITE Group PLC/The
        213800BBUUWVDH9YI827
        UNITE Group PLC/The
        000000000
        
          
        
        1261237.00000000
        NS
        
        21198295.09000000
        0.805066497960
        Long
        EC
        CORP
        GB
        N
        
        1
        
          N
          N
          N
        
      
      
        VICI Properties Inc
        254900RKH6RY9KCJQH63
        VICI Properties Inc
        925652109
        
          
        
        1786102.00000000
        NS
        USD
        55208412.82000000
        2.096698974055
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Deutsche Wohnen SE
        529900QE24Q67I3FWZ10
        Deutsche Wohnen SE
        000000000
        
          
        
        1002086.00000000
        NS
        
        62189701.92000000
        2.361833596586
        Long
        EC
        CORP
        DE
        N
        
        1
        
          N
          N
          N
        
      
      
        Simon Property Group Inc
        529900GQL5X8H7AO3T64
        Simon Property Group Inc
        828806109
        
          
        
        480053.00000000
        NS
        USD
        64543125.85000000
        2.451211669374
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Japan Logistics Fund Inc
        3538004KZWISCQO70151
        Japan Logistics Fund Inc
        000000000
        
          
        
        10526.00000000
        NS
        
        33774285.32000000
        1.282676059005
        Long
        EC
        CORP
        JP
        N
        
        1
        
          N
          N
          N
        
      
      
        National Retail Properties Inc
        5493008JKH5SOTI0JS97
        National Retail Properties Inc
        637417106
        
          
        
        822310.00000000
        NS
        USD
        39150179.10000000
        1.486841156269
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Multiplan Empreendimentos Imobiliarios SA
        N/A
        Multiplan Empreendimentos Imobiliarios SA
        000000000
        
          
        
        1563614.00000000
        NS
        
        6380493.42000000
        0.242317670882
        Long
        EC
        CORP
        BR
        N
        
        1
        
          N
          N
          N
        
      
      
        National Storage REIT
        N/A
        National Storage REIT
        000000000
        
          
        
        22050302.00000000
        NS
        
        37746290.26000000
        1.433524421732
        Long
        EC
        CORP
        AU
        N
        
        1
        
          N
          N
          N
        
      
      
        Katitas Co Ltd
        N/A
        Katitas Co Ltd
        000000000
        
          
        
        1486800.00000000
        NS
        
        49463145.93000000
        1.878505865820
        Long
        EC
        CORP
        JP
        N
        
        1
        
          N
          N
          N
        
      
      
        Medical Properties Trust Inc
        254900U6E39J1MQCCY14
        Medical Properties Trust Inc
        58463J304
        
          
        
        1973110.00000000
        NS
        USD
        40409292.80000000
        1.534659636608
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Mid-America Apartment Communities Inc
        549300FQZKFR5YNSHZ21
        Mid-America Apartment Communities Inc
        59522J103
        
          
        
        330323.00000000
        NS
        USD
        63544235.51000000
        2.413275922917
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        CoreSite Realty Corp
        549300H0YYORITFM2B74
        CoreSite Realty Corp
        21870Q105
        
          
        
        299189.00000000
        NS
        USD
        44390671.93000000
        1.685864011282
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        STAG Industrial Inc
        549300QWYX2W6FASVQ07
        STAG Industrial Inc
        85254J102
        
          
        
        1212278.00000000
        NS
        USD
        51218745.50000000
        1.945179831421
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Warehouses De Pauw CVA
        549300HWDYC5JXC85138
        Warehouses De Pauw CVA
        000000000
        
          
        
        1356354.00000000
        NS
        
        62363017.90000000
        2.368415771637
        Long
        EC
        CORP
        BE
        N
        
        1
        
          N
          N
          N
        
      
      
        Encompass Health Corp
        549300FVRPM9DRQZRG64
        Encompass Health Corp
        29261A100
        
          
        
        271820.00000000
        NS
        USD
        21324279.00000000
        0.809851100910
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Extra Space Storage Inc
        N/A
        Extra Space Storage Inc
        30225T102
        
          
        
        486208.00000000
        NS
        USD
        90877137.28000000
        3.451321832441
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Equinix Inc
        549300EVUN2BTLJ3GT74
        Equinix Inc
        29444U700
        
          
        
        76515.00000000
        NS
        USD
        64536576.75000000
        2.450962948381
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Equity LifeStyle Properties Inc
        529900PEQG66LENB6798
        Equity LifeStyle Properties Inc
        29472R108
        
          
        
        778526.00000000
        NS
        USD
        66229206.82000000
        2.515245465301
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Embassy Office Parks REIT
        335800O555A557E43Z08
        Embassy Office Parks REIT
        000000000
        
          
        
        4753000.00000000
        NS
        
        23280797.18000000
        0.884155531180
        Long
        EC
        CORP
        IN
        N
        
        1
        
          N
          N
          N
        
      
    
    
      
    
    
      2021-09-16
      MFS SERIES TRUST XIII
      Kasey Phillips
      Kasey Phillips
      Assistant Treasurer