Form NPORT-P MFS SERIES TRUST IV For: Aug 31

  
    NPORT-P
    false
    
      
      
        
          0000063068
          XXXXXXXX
        
      
      
      
      
        S000002434
        C000006508
        C000006513
        C000006516
        C000006511
        C000006509
        C000006506
        C000006507
        C000124428
        C000006505
        C000006515
        C000006510
        C000006504
      
      
      
    
  
  
    
      MFS Series Trust IV
      811-02594
      0000063068
      549300SSA281MOJG8J61
      111 Huntington Avenue
      Boston
      
      02199
      617-954-5000
      MFS Mid Cap Growth Fund
      S000002434
      XPX0WXKIO6CLKBLYF666
      2021-08-31
      2021-08-31
      N
    
    
      16040087523.09
      24688745.48
      16015398777.61
      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
      0.00000000
      
        
        
        
      
      
        
          
            UST
          
        
      
      
        
          
          
          
          
          
          
          
          
          
          
          
          
        
        
          
            
            
            
            
              
              
              
            
            
              
              
              
            
            
              
              
              
            
            
              
              
              
            
            
              
              
              
            
            
              
              
              
            
            
              
              
              
            
          
          
            
            
            
            
              
              
              
            
            
              
              
              
            
            
              
              
              
            
            
              
              
              
            
            
              
              
              
            
            
              
              
              
            
            
              
              
              
            
          
          
            
            
            
            
              
              
              
            
            
              
              
              
            
            
              
              
              
            
            
              
              
              
            
            
              
              
              
            
            
              
              
              
            
            
              
              
              
            
          
          
            
            
            
            
              
              
              
            
            
              
              
              
            
            
              
              
              
            
            
              
              
              
            
            
              
              
              
            
            
              
              
              
            
            
              
              
              
            
          
          
            
            
            
            
              
              
              
            
            
              
              
              
            
            
              
              
              
            
            
              
              
              
            
            
              
              
              
            
            
              
              
              
            
            
              
              
              
            
          
          
            
            
            
            
              
              
              
            
            
              
              
              
            
            
              
              
              
            
            
              
              
              
            
            
              
              
              
            
            
              
              
              
            
            
              
              
              
            
          
        
        
        
        
      
      
      
      
      
      
    
    
      
        Entegris, Inc.
        IYX6OWO7BT5DKO3BYG52
        
        29362U104
        
          
        
        2015415.00000000
        NS
        USD
        242131958.10000000
        1.511869679064
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Match Group, Inc.
        15OMOPB0A8K0EFUVD031
        
        57667L107
        
          
        
        1887845.00000000
        NS
        USD
        259465416.80000000
        1.620099632877
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Cadence Design Systems, Inc.
        GCT7RXJOGLXPV0NXZY22
        
        127387108
        
          
        
        2332829.00000000
        NS
        USD
        381370884.92000000
        2.381276234302
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Pool Corp.
        5493005VZK1KMN6CO617
        
        73278L105
        
          
        
        526958.00000000
        NS
        USD
        260475339.40000000
        1.626405580135
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Vulcan Materials Co.
        549300Q8LSNHAVWBNI21
        
        929160109
        
          
        
        1333539.00000000
        NS
        USD
        247944906.27000000
        1.548165673006
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        AMETEK, Inc.
        549300WZDEF9KKE40E98
        
        031100100
        
          
        
        2183946.00000000
        NS
        USD
        296951137.62000000
        1.854160122663
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Warner Music Group Corp.
        N/A
        
        934550203
        
          
        
        1264948.00000000
        NS
        USD
        48068024.00000000
        0.300136291749
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        CoStar Group, Inc.
        N/A
        
        22160N109
        
          
        
        2189070.00000000
        NS
        USD
        185501791.80000000
        1.158271450969
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Equifax, Inc.
        5493004MCF8JDC86VS77
        
        294429105
        
          
        
        830830.00000000
        NS
        USD
        226201775.80000000
        1.412401769953
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        RingCentral, Inc.
        549300C8EH0H1614VE84
        
        76680R206
        
          
        
        337753.00000000
        NS
        USD
        85201571.78000000
        0.531997816371
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        MFS Institutional Money Market Portfolio
        5L2W638H85N8T1136O07
        
        55291X109
        
          
        
        192788421.37000000
        NS
        USD
        192788421.37000000
        1.203769097773
        Long
        STIV
        RF
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Howmet Aerospace, Inc.
        549300HO5WFZUT5N2T22
        
        443201108
        
          
        
        4018680.00000000
        NS
        USD
        127593090.00000000
        0.796690059184
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        SBA Communications Corp.
        5299001HX8ZN8Y8QIT49
        
        78410G104
        
          
        
        345307.00000000
        NS
        USD
        123954853.79000000
        0.773972946357
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Mettler-Toledo International, Inc.
        5493000BD5GJNUDIUG10
        
        592688105
        
          
        
        47645.00000000
        NS
        USD
        73984585.35000000
        0.461959058137
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Charles River Laboratories International, Inc.
        549300BSQ0R4UZ5KX287
        
        159864107
        
          
        
        968926.00000000
        NS
        USD
        430067494.36000000
        2.685337407653
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        ICON plc
        6354008SRQGEMC4XFI67
        
        N/A
        
          
        
        1000978.00000000
        NS
        USD
        256020143.06000000
        1.598587375906
        Long
        EC
        CORP
        IE
        N
        
        1
        
          N
          N
          N
        
      
      
        Gartner, Inc.
        PP55B5R38BFB8O8HH686
        
        366651107
        
          
        
        178900.00000000
        NS
        USD
        55233586.00000000
        0.344877993779
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Unity Software, Inc.
        N/A
        
        91332U101
        
          
        
        143231.00000000
        NS
        USD
        18154529.25000000
        0.113356710638
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Bio-Techne Corp.
        54930073RLKQ51TILZ35
        
        09073M104
        
          
        
        586979.00000000
        NS
        USD
        292984698.06000000
        1.829393711192
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Oatly Group AB
        894500CEIOQNBAH10Z10
        
        67421J108
        
          
        
        2543593.00000000
        NS
        USD
        46344264.46000000
        0.289373153322
        Long
        EC
        CORP
        SE
        
        N
        
        1
        
          N
          N
          N
        
      
      
        Bright Horizons Family Solutions, Inc.
        N/A
        
        109194100
        
          
        
        1886558.00000000
        NS
        USD
        274984694.08000000
        1.717001854892
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Lululemon Athletica, Inc.
        549300D9GZ4BMLDW5T40
        
        550021109
        
          
        
        434222.00000000
        NS
        USD
        173762617.74000000
        1.084972158064
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Farfetch Ltd.
        549300QFQ74Z0F96NS78
        
        30744W107
        
          
        
        851887.00000000
        NS
        USD
        35659989.82000000
        0.222660642517
        Long
        EC
        CORP
        KY
        
        N
        
        1
        
          N
          N
          N
        
      
      
        LKQ Corp.
        DS830JTTZQN6GK0I2E41
        
        501889208
        
          
        
        1478767.00000000
        NS
        USD
        77916233.23000000
        0.486508230684
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Topicus.com, Inc.
        N/A
        
        89072T102
        
          
        
        197211.00000000
        NS
        
        20012621.83000000
        0.124958623309
        Long
        EC
        CORP
        CA
        N
        
        1
        
          N
          N
          N
        
      
      
        Paylocity Holding Corp.
        549300VH75FTB4DIEE07
        
        70438V106
        
          
        
        818762.00000000
        NS
        USD
        220410730.40000000
        1.376242536702
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        IAC/InterActiveCorp
        549300TO56L57RP6P031
        
        44891N208
        
          
        
        837902.00000000
        NS
        USD
        110644959.10000000
        0.690866088546
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Nice Ltd.
        254900YTY4EF5Z4W0A51
        
        653656108
        
          
        
        926837.00000000
        NS
        USD
        269431515.90000000
        1.682327862336
        Long
        EC
        CORP
        IL
        N
        
        1
        
          N
          N
          N
        
      
      
        Chipotle Mexican Grill, Inc.
        N/A
        
        169656105
        
          
        
        113416.00000000
        NS
        USD
        215868075.28000000
        1.347878240670
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        PerkinElmer, Inc.
        549300IKL1SDPFI7N655
        
        714046109
        
          
        
        2430480.00000000
        NS
        USD
        449152704.00000000
        2.804505277932
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Lennox International, Inc.
        S7DWAC87RDMPBF77GJ92
        
        526107107
        
          
        
        180882.00000000
        NS
        USD
        60628028.76000000
        0.378560843859
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        ROBLOX Corp.
        N/A
        
        771049103
        
          
        
        582018.00000000
        NS
        USD
        47754576.90000000
        0.298179130992
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Wolters Kluwer NV
        724500TEM53I0U077B74
        
        N/A
        
          
        
        1963844.00000000
        NS
        
        225898353.84000000
        1.410507206076
        Long
        EC
        CORP
        NL
        N
        
        1
        
          N
          N
          N
        
      
      
        Autodesk, Inc.
        FRKKVKAIQEF3FCSTPG55
        
        052769106
        
          
        
        653331.00000000
        NS
        USD
        202591409.79000000
        1.264978865672
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Eventbrite, Inc.
        549300N6XBV2B1FAUF55
        
        29975E109
        
          
        
        2651794.00000000
        NS
        USD
        46883717.92000000
        0.292741495675
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Builders FirstSource, Inc.
        549300W0SKP6L3H7DP63
        
        12008R107
        
          
        
        2011088.00000000
        NS
        USD
        107170879.52000000
        0.669173968180
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Endava plc
        213800JJ6CRPCWCQVZ25
        
        29260V105
        
          
        
        490036.00000000
        NS
        USD
        65615820.40000000
        0.409704568154
        Long
        EC
        CORP
        GB
        N
        
        1
        
          N
          N
          N
        
      
      
        Coupa Software, Inc.
        549300Q95ICR2GFL2K37
        
        22266L106
        
          
        
        298911.00000000
        NS
        USD
        73176401.91000000
        0.456912768305
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Red Rock Resorts, Inc.
        N/A
        
        75700L108
        
          
        
        2236524.00000000
        NS
        USD
        104691688.44000000
        0.653693922291
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        MSCI, Inc.
        549300HTIN2PD78UB763
        
        55354G100
        
          
        
        689406.00000000
        NS
        USD
        437483259.48000000
        2.731641375621
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        JPMORGAN US GOVERNMENT MONEY MKT FD
        549300NQ5E5B7ZV4T516
        
        N/A
        
          
        
        6839176.50000000
        NS
        USD
        6839176.50000000
        0.042703754024
        Long
        STIV
        RF
        US
        N
        
        1
        
          
          N
          N
        
      
      
        CCC Intelligent Solutions Holdings, Inc.
        N/A
        
        N/A
        
          
        
        452972.00000000
        NS
        USD
        5135762.98000000
        0.032067655956
        Long
        EC
        CORP
        US
        Y
        
        3
        
          N
          N
          N
        
      
      
        ASM International NV
        7245001I22ND6ZFHX623
        
        N/A
        
          
        
        319464.00000000
        NS
        
        123950259.11000000
        0.773944257218
        Long
        EC
        CORP
        NL
        N
        
        1
        
          N
          N
          N
        
      
      
        Nasdaq, Inc.
        549300L8X1Q78ERXFD06
        
        631103108
        
          
        
        1233039.00000000
        NS
        USD
        241404375.42000000
        1.507326659623
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Roper Technologies, Inc.
        54930003T4SXCIWVXY35
        
        776696106
        
          
        
        58077.00000000
        NS
        USD
        28067452.56000000
        0.175252910962
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Littelfuse, Inc.
        549300MY7HLQFYTPCX75
        
        537008104
        
          
        
        371560.00000000
        NS
        USD
        106043224.00000000
        0.662132897672
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Five Below, Inc.
        529900AAXP5Z6BGI7418
        
        33829M101
        
          
        
        525636.00000000
        NS
        USD
        111860597.16000000
        0.698456521209
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Everbridge, Inc.
        549300WCY0UMR64ATW81
        
        29978A104
        
          
        
        699192.00000000
        NS
        USD
        109752168.24000000
        0.685291510776
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        IDEX Corp.
        549300U5Y5EL6PHYLF13
        
        45167R104
        
          
        
        978487.00000000
        NS
        USD
        219181088.00000000
        1.368564661071
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Okta, Inc.
        549300N8J06I8MRHU620
        
        679295105
        
          
        
        478561.00000000
        NS
        USD
        126148679.60000000
        0.787671174172
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Alnylam Pharmaceuticals, Inc.
        529900S3ZI14OWRJII50
        
        02043Q107
        
          
        
        534935.00000000
        NS
        USD
        107751957.05000000
        0.672802210836
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Peloton Interactive, Inc.
        5493002YS021166W0339
        
        70614W100
        
          
        
        965697.00000000
        NS
        USD
        96753182.43000000
        0.604125965100
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Ascendis Pharma A/S
        549300B66JN3W3J8GH73
        
        04351P101
        
          
        
        567577.00000000
        NS
        USD
        88956343.21000000
        0.555442574020
        Long
        EC
        CORP
        DK
        N
        
        1
        
          N
          N
          N
        
      
      
        Petco Health & Wellness Co., Inc.
        N/A
        
        71601V105
        
          
        
        613708.00000000
        NS
        USD
        13213133.24000000
        0.082502680223
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Ulta Beauty, Inc.
        529900CIV6HN8M28YM82
        
        90384S303
        
          
        
        388251.00000000
        NS
        USD
        150373494.81000000
        0.938930693503
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Arthur J Gallagher & Co.
        54930049QLLMPART6V29
        
        363576109
        
          
        
        1754251.00000000
        NS
        USD
        251945528.62000000
        1.573145521497
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        N/A
        N/A
        
        12510Q118
        
          
        
        369639.00000000
        NS
        USD
        1075649.49000000
        0.006716345343
        N/A
        DO
        
        US
        N
        
        1
        
          
            
              CCC Intelligent Solutions Holdings, Inc.
              N/A
            
            Call
            Purchased
            
              
                CCC Intelligent Solutions Holdings, Inc.
                CCC Intelligent Solutions Holdings, Inc.
                
                  
                
              
            
            1.00000000
            11.50000000
            USD
            2025-08-14
            XXXX
            1075649.49000000
          
        
        
          N
          N
          N
        
      
      
        Silicon Laboratories, Inc.
        4PRDF8Q9TDHRVZKZSZ47
        
        826919102
        
          
        
        353531.00000000
        NS
        USD
        55723556.22000000
        0.347937363245
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        DraftKings, Inc.
        5493008P45UYYL683Z97
        
        26142R104
        
          
        
        606010.00000000
        NS
        USD
        35930332.90000000
        0.224348662177
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Ball Corp.
        0BGI85ALH27ZJP15DY16
        
        058498106
        
          
        
        1111664.00000000
        NS
        USD
        106675277.44000000
        0.666079433433
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Wix.com Ltd.
        5493008P6N29Q1AG9464
        
        N/A
        
          
        
        383803.00000000
        NS
        USD
        85234970.24000000
        0.532206356042
        Long
        EC
        CORP
        IL
        N
        
        1
        
          N
          N
          N
        
      
      
        Take-Two Interactive Software, Inc.
        BOMSTHHJK882EWYX3334
        
        874054109
        
          
        
        1341346.00000000
        NS
        USD
        216251802.12000000
        1.350274227466
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Altimeter Growth Corp. 2
        N/A
        
        N/A
        
          
        
        2014554.00000000
        NS
        USD
        19863502.44000000
        0.124027523234
        Long
        EC
        CORP
        KY
        
        N
        
        1
        
          N
          N
          N
        
      
      
        MKS Instruments, Inc.
        549300KEQATBHAGVF505
        
        55306N104
        
          
        
        490188.00000000
        NS
        USD
        72145869.84000000
        0.450478135710
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Masimo Corp.
        549300Q4A8JK0PIYCU29
        
        574795100
        
          
        
        665164.00000000
        NS
        USD
        180618632.56000000
        1.127781050400
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Kansas City Southern
        5493008C12PZMWP3WY03
        
        485170302
        
          
        
        321900.00000000
        NS
        USD
        90347673.00000000
        0.564130024200
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Verisk Analytics, Inc.
        549300I1YSWNIRKBWP67
        
        92345Y106
        
          
        
        1370053.00000000
        NS
        USD
        276421893.28000000
        1.725975713239
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        IDEXX Laboratories, Inc.
        OGMTXK0LUU1HKV2P0J84
        
        45168D104
        
          
        
        213943.00000000
        NS
        USD
        144146235.68000000
        0.900047745807
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Maravai LifeSciences Holdings, Inc.
        N/A
        
        56600D107
        
          
        
        2471700.00000000
        NS
        USD
        146275206.00000000
        0.913341016550
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        SS&C Technologies Holdings, Inc.
        529900POY8H7NPPNKK71
        
        78467J100
        
          
        
        997278.00000000
        NS
        USD
        75454053.48000000
        0.471134403381
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        West Pharmaceutical Services, Inc.
        5493007NKRGM1RJQ1P16
        
        955306105
        
          
        
        559025.00000000
        NS
        USD
        252466870.50000000
        1.576400775314
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        ServiceNow, Inc.
        549300HJTQM36M0E1G39
        
        81762P102
        
          
        
        255825.00000000
        NS
        USD
        164659203.00000000
        1.028130521671
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Agilent Technologies, Inc.
        QUIX8Y7A2WP0XRMW7G29
        
        00846U101
        
          
        
        1225272.00000000
        NS
        USD
        214998477.84000000
        1.342448482397
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Penn National Gaming, Inc.
        N/A
        
        707569109
        
          
        
        1073520.00000000
        NS
        USD
        87062472.00000000
        0.543617259919
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Domino's Pizza, Inc.
        25490005ZWM1IF9UXU57
        
        25754A201
        
          
        
        296048.00000000
        NS
        USD
        153024250.72000000
        0.955481988584
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Black Knight, Inc.
        549300TUSNXS3BFFML48
        
        09215C105
        
          
        
        2120977.00000000
        NS
        USD
        160494329.59000000
        1.002125091099
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Adaptive Biotechnologies Corp.
        549300ZTF7OT1FW66Q96
        
        00650F109
        
          
        
        1236008.00000000
        NS
        USD
        44891810.56000000
        0.280304044771
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        AZEK Co., Inc. (The)
        N/A
        
        05478C105
        
          
        
        2106529.00000000
        NS
        USD
        89506417.21000000
        0.558877230925
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Caesars Entertainment, Inc.
        549300FA4CTCW903Y781
        
        12769G100
        
          
        
        1051744.00000000
        NS
        USD
        106888742.72000000
        0.667412308642
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Paysafe Ltd.
        N/A
        
        N/A
        
          
        
        2098229.00000000
        NS
        USD
        17751017.34000000
        0.110837186051
        Long
        EC
        CORP
        BM
        
        N
        
        1
        
          N
          N
          
        
      
      
        TransUnion
        549300ZS772LUNUMRB03
        
        89400J107
        
          
        
        2329338.00000000
        NS
        USD
        283084447.14000000
        1.767576637153
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Waste Connections, Inc.
        549300HDLRTPBQU69P29
        
        94106B101
        
          
        
        854798.00000000
        NS
        USD
        110448449.58000000
        0.689639084943
        Long
        EC
        CORP
        CA
        N
        
        1
        
          N
          N
          N
        
      
      
        STERIS plc
        N/A
        
        N/A
        
          
        
        1346592.00000000
        NS
        USD
        289530745.92000000
        1.807827266372
        Long
        EC
        CORP
        IE
        
        N
        
        1
        
          N
          N
          N
        
      
      
        Dun & Bradstreet Holdings, Inc.
        N/A
        
        26484T106
        
          
        
        3852077.00000000
        NS
        USD
        70608571.41000000
        0.440879258708
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Tradeweb Markets, Inc.
        N/A
        
        892672106
        
          
        
        1416748.00000000
        NS
        USD
        123271243.48000000
        0.769704489983
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Tractor Supply Co.
        549300OJ9VZHZRO6I137
        
        892356106
        
          
        
        609243.00000000
        NS
        USD
        118345452.75000000
        0.738947898790
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Tyler Technologies, Inc.
        25490040SMU4Z8LBCW70
        
        902252105
        
          
        
        426447.00000000
        NS
        USD
        207125307.90000000
        1.293288483016
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Copart, Inc.
        549300KVYX3JWMYEHU61
        
        217204106
        
          
        
        1815746.00000000
        NS
        USD
        262048462.72000000
        1.636228147414
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        DocuSign, Inc.
        549300Q7PVDWRZ39JG09
        
        256163106
        
          
        
        407477.00000000
        NS
        USD
        120710986.48000000
        0.753718269249
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Bumble, Inc.
        N/A
        
        12047B105
        
          
        
        1098685.00000000
        NS
        USD
        59878332.50000000
        0.373879747432
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Guardant Health, Inc.
        254900M8C3E5VC8BR186
        
        40131M109
        
          
        
        716095.00000000
        NS
        USD
        91137410.65000000
        0.569061138692
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Synopsys, Inc.
        QG7T915N9S0NY5UKNE63
        
        871607107
        
          
        
        635145.00000000
        NS
        USD
        211020574.80000000
        1.317610493065
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        O'Reilly Automotive, Inc.
        549300K2RLMQL149Q332
        
        67103H107
        
          
        
        198949.00000000
        NS
        USD
        118191621.92000000
        0.737987380528
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        CoreSite Realty Corp.
        549300H0YYORITFM2B74
        
        21870Q105
        
          
        
        1018704.00000000
        NS
        USD
        151145112.48000000
        0.943748667009
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Constellation Software, Inc.
        549300B6PYHMCTDWQV29
        
        21037X100
        
          
        
        104933.00000000
        NS
        
        177835922.22000000
        1.110405833094
        Long
        EC
        CORP
        CA
        N
        
        1
        
          N
          N
          N
        
      
      
        Altimeter Growth Corp.
        N/A
        
        N/A
        
          
        
        2181559.00000000
        NS
        USD
        24520723.16000000
        0.153107165800
        Long
        EC
        CORP
        KY
        
        N
        
        1
        
          N
          N
          N
        
      
      
        Vimeo, Inc.
        N/A
        
        92719V100
        
          
        
        1360334.00000000
        NS
        USD
        51855932.08000000
        0.323787954331
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Electronic Arts, Inc.
        549300O7A67PUEYKDL45
        
        285512109
        
          
        
        458589.00000000
        NS
        USD
        66591708.69000000
        0.415798005498
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        N/A
        N/A
        
        N/A
        
          
        
        707145.00000000
        NS
        USD
        1428432.90000000
        0.008919121651
        N/A
        DO
        
        BM
        
        N
        
        1
        
          
            
              Paysafe Ltd.
              N/A
            
            Call
            Purchased
            
              
                Paysafe Ltd.
                Paysafe Ltd.
                
                  
                
              
            
            1.00000000
            11.50000000
            USD
            2026-03-30
            XXXX
            1428432.90000000
          
        
        
          N
          N
          N
        
      
      
        Catalyst Partners Acquisition Corp.
        N/A
        
        N/A
        
          
        
        1387766.00000000
        NS
        USD
        13766638.72000000
        0.085958763257
        Long
        EC
        CORP
        KY
        
        N
        
        1
        
          N
          N
          N
        
      
      
        Scotts Miracle-Gro Co. (The)
        2TH9E0JTOUXOEGI2R879
        
        810186106
        
          
        
        680213.00000000
        NS
        USD
        106677804.79000000
        0.666095214183
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Vail Resorts, Inc.
        529900PSZHRNU9HKH870
        
        91879Q109
        
          
        
        157490.00000000
        NS
        USD
        48010826.50000000
        0.299779151095
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Cable One, Inc.
        549300648QS85T0XSH18
        
        12685J105
        
          
        
        34656.00000000
        NS
        USD
        72763391.04000000
        0.454333932300
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Burlington Stores, Inc.
        5299003Z37DVGKKC1W09
        
        122017106
        
          
        
        690934.00000000
        NS
        USD
        206927823.66000000
        1.292055393271
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Clarivate plc
        549300WDHIIODXFO0R55
        
        N/A
        
          
        
        8503590.00000000
        NS
        USD
        214205432.10000000
        1.337496712223
        Long
        EC
        CORP
        JE
        
        N
        
        1
        
          N
          N
          N
        
      
      
        Chewy, Inc.
        N/A
        
        16679L109
        
          
        
        1172443.00000000
        NS
        USD
        103315677.16000000
        0.645102120744
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Extra Space Storage, Inc.
        N/A
        
        30225T102
        
          
        
        729908.00000000
        NS
        USD
        136427104.28000000
        0.851849561627
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Align Technology, Inc.
        549300N5YSE0U3LCP840
        
        016255101
        
          
        
        268416.00000000
        NS
        USD
        190306944.00000000
        1.188274776311
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        CCC Intelligent Solutions Holdings, Inc.
        N/A
        
        12510Q100
        
          
        
        2632429.00000000
        NS
        USD
        30536176.40000000
        0.190667599502
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Qualtrics International, Inc.
        549300NW34K5PVZGTN68
        
        747601201
        
          
        
        708234.00000000
        NS
        USD
        32068835.52000000
        0.200237508695
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        IHS Markit Ltd.
        549300HLPTRASHS0E726
        
        N/A
        
          
        
        332052.00000000
        NS
        USD
        40045471.20000000
        0.250043547189
        Long
        EC
        CORP
        BM
        
        N
        
        1
        
          N
          N
          N
        
      
      
        Square, Inc.
        549300OHIIUWSTIZME52
        
        852234103
        
          
        
        635167.00000000
        NS
        USD
        170269217.69000000
        1.063159400863
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Monolithic Power Systems, Inc.
        529900TB7O85LSZ1XU31
        
        609839105
        
          
        
        925569.00000000
        NS
        USD
        458091865.17000000
        2.860321316572
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
    
    
      
    
    
      2021-09-30
      MFS Series Trust IV
      Kasey Phillips
      Kasey Phillips
      Assistant Treasurer
    
  

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