Form NPORT-P MFS SERIES TRUST I For: Nov 30

January 24, 2022 9:21 AM EST

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      MFS SERIES TRUST I
      811-04777
      0000798244
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      111 HUNTINGTON AVENUE
      BOSTON
      
      02199
      617-954-5000
      MFS New Discovery Fund
      S000000765
      ZVEMRLDGMDO1D1VDSU87
      2022-08-31
      2021-11-30
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        On Holding AG
        N/A
        On Holding AG
        000000000
        
          
        
        221413.00000000
        NS
        USD
        8891946.08000000
        0.278108584823
        Long
        EC
        CORP
        CH
        N
        
        1
        
          N
          N
          N
        
      
      
        Charles River Laboratories International Inc
        549300BSQ0R4UZ5KX287
        Charles River Laboratories International Inc
        159864107
        
          
        
        35362.00000000
        NS
        USD
        12937894.94000000
        0.404651537467
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        AZEK Co Inc/The
        N/A
        AZEK Co Inc/The
        05478C105
        
          
        
        1435438.00000000
        NS
        USD
        56297878.36000000
        1.760798270522
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Penn National Gaming Inc
        N/A
        Penn National Gaming Inc
        707569109
        
          
        
        463138.00000000
        NS
        USD
        23726559.74000000
        0.742082767106
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        First Interstate BancSystem Inc
        549300WRWYTYX0RCNJ43
        First Interstate BancSystem Inc
        32055Y201
        
          
        
        693828.00000000
        NS
        USD
        28308182.40000000
        0.885379699263
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Alkami Technology Inc
        N/A
        Alkami Technology Inc
        01644J108
        
          
        
        1593854.00000000
        NS
        USD
        45727671.26000000
        1.430199624126
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        DoubleVerify Holdings Inc
        N/A
        DoubleVerify Holdings Inc
        25862V105
        
          
        
        943681.00000000
        NS
        USD
        29140869.28000000
        0.911423196121
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Oxford Nanopore Technologies PLC
        213800IRWQ2Q6M2CDW55
        Oxford Nanopore Technologies PLC
        000000000
        
          
        
        1318496.00000000
        NS
        
        12099382.37000000
        0.378425833656
        Long
        EC
        CORP
        GB
        N
        
        1
        
          N
          N
          N
        
      
      
        Payoneer Global Inc
        N/A
        Payoneer Global Inc
        70451X104
        
          
        
        3885610.00000000
        NS
        USD
        30113477.50000000
        0.941842936999
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Trex Co Inc
        N/A
        Trex Co Inc
        89531P105
        
          
        
        184982.00000000
        NS
        USD
        24560060.14000000
        0.768151707989
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Laird Superfood Inc
        N/A
        Laird Superfood Inc
        50736T102
        
          
        
        105353.00000000
        NS
        USD
        1404355.49000000
        0.043923266560
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Sensata Technologies Holding PLC
        529900MS7KFYCY9MS037
        Sensata Technologies Holding PLC
        000000000
        
          
        
        814523.00000000
        NS
        USD
        45368931.10000000
        1.418979502308
        Long
        EC
        CORP
        GB
        
        N
        
        1
        
          N
          N
          N
        
      
      
        European Wax Center Inc
        N/A
        European Wax Center Inc
        29882P106
        
          
        
        554238.00000000
        NS
        USD
        14947798.86000000
        0.467514214523
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Hydrofarm Holdings Group Inc
        5493005Y60YG0W2FYJ83
        Hydrofarm Holdings Group Inc
        44888K209
        
          
        
        838919.00000000
        NS
        USD
        27684327.00000000
        0.865867711576
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Advanced Drainage Systems Inc
        6QQTOZ5MF5DHM7K92I60
        Advanced Drainage Systems Inc
        00790R104
        
          
        
        231251.00000000
        NS
        USD
        28608061.21000000
        0.894758846495
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Hamilton Lane Inc
        5493006OKN3V1NORM833
        Hamilton Lane Inc
        407497106
        
          
        
        498151.00000000
        NS
        USD
        52689431.27000000
        1.647938823941
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        JetBlue Airways Corp
        54930070J9H97ZO93T57
        JetBlue Airways Corp
        477143101
        
          
        
        2957737.00000000
        NS
        USD
        39692830.54000000
        1.241451177254
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        8x8 Inc
        254900XWSOC5U1BRW939
        8x8 Inc
        282914100
        
          
        
        1107278.00000000
        NS
        USD
        23861840.90000000
        0.746313882727
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Manchester United Plc
        529900GWGZPE83MJOV59
        Manchester United Plc
        000000000
        
          
        
        2206936.00000000
        NS
        USD
        34008883.76000000
        1.063677450224
        Long
        EC
        CORP
        KY
        
        N
        
        1
        
          N
          N
          N
        
      
      
        Legalzoom.com Inc
        5493000L8EBF74Y9JZ48
        Legalzoom.com Inc
        52466B103
        
          
        
        1163250.00000000
        NS
        USD
        20950132.50000000
        0.655245955048
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Lyell Immunopharma Inc
        N/A
        Lyell Immunopharma Inc
        55083R104
        
          
        
        665518.00000000
        NS
        USD
        6355696.90000000
        0.198783691952
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        ExlService Holdings Inc
        81E3DTNF6OSH489ZOV15
        ExlService Holdings Inc
        302081104
        
          
        
        386074.00000000
        NS
        USD
        50139430.38000000
        1.568183826280
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Leslie's Inc
        N/A
        Leslie's Inc
        527064109
        
          
        
        2835786.00000000
        NS
        USD
        59438074.56000000
        1.859012487454
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Allovir Inc
        N/A
        Allovir Inc
        019818103
        
          
        
        524822.00000000
        NS
        USD
        9163392.12000000
        0.286598455697
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        State Street Global Advisors
        5493008BJIBKQ5KTIF74
        State Street Navigator Securities Lending Government Money Market Portfolio
        857492706
        
          
        
        10032440.25000000
        NS
        USD
        10032440.25000000
        0.313779203691
        Long
        STIV
        RF
        US
        N
        
        1
        
          
          N
          N
        
      
      
        LifeStance Health Group Inc
        N/A
        LifeStance Health Group Inc
        53228F101
        
          
        
        1930399.00000000
        NS
        USD
        15327368.06000000
        0.479385794951
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Definitive Healthcare Corp
        N/A
        Definitive Healthcare Corp
        24477E103
        
          
        
        272705.00000000
        NS
        USD
        7992983.55000000
        0.249992220331
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Prosperity Bancshares Inc
        N/A
        Prosperity Bancshares Inc
        743606105
        
          
        
        398313.00000000
        NS
        USD
        28391750.64000000
        0.887993417874
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Adaptive Biotechnologies Corp
        549300ZTF7OT1FW66Q96
        Adaptive Biotechnologies Corp
        00650F109
        
          
        
        407145.00000000
        NS
        USD
        10622413.05000000
        0.332231463637
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Abcam PLC
        213800B9N83DSNT33F79
        Abcam PLC
        000000000
        
          
        
        1245796.00000000
        NS
        
        28089932.20000000
        0.878553605884
        Long
        EC
        CORP
        GB
        N
        
        2
        
          N
          N
          N
        
      
      
        Collegium Pharmaceutical Inc
        54930049FXZMTLW8D496
        Collegium Pharmaceutical Inc
        19459J104
        
          
        
        511358.00000000
        NS
        USD
        8989673.64000000
        0.281165156822
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Axalta Coating Systems Ltd
        529900AGLPA40GV6H619
        Axalta Coating Systems Ltd
        000000000
        
          
        
        1483227.00000000
        NS
        USD
        44971442.64000000
        1.406547470884
        Long
        EC
        CORP
        BM
        
        N
        
        1
        
          N
          N
          N
        
      
      
        Advanced Energy Industries Inc
        549300756XI3QLFT2U27
        Advanced Energy Industries Inc
        007973100
        
          
        
        519861.00000000
        NS
        USD
        45586611.09000000
        1.425787761537
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Dutch Bros Inc
        N/A
        Dutch Bros Inc
        26701L100
        
          
        
        203639.00000000
        NS
        USD
        10760284.76000000
        0.336543602488
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Remitly Global Inc
        N/A
        Remitly Global Inc
        75960P104
        
          
        
        1921049.00000000
        NS
        USD
        46220438.94000000
        1.445611652146
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        GCM Grosvenor Inc
        N/A
        GCM Grosvenor Inc
        36831E108
        
          
        
        827478.00000000
        NS
        USD
        9482897.88000000
        0.296591464421
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        PagerDuty Inc
        549300U1SB749EDAGH21
        Pagerduty Inc
        69553P100
        
          
        
        681655.00000000
        NS
        USD
        24164669.75000000
        0.755785296764
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Avalara Inc
        549300Q16CMW239SS315
        Avalara Inc
        05338G106
        
          
        
        112504.00000000
        NS
        USD
        15714558.72000000
        0.491495747659
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Turning Point Therapeutics Inc
        N/A
        Turning Point Therapeutics Inc
        90041T108
        
          
        
        246268.00000000
        NS
        USD
        9372960.08000000
        0.293152999354
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Innovative Industrial Properties Inc
        5493008BQ0545EZXRR30
        Innovative Industrial Properties Inc
        45781V101
        
          
        
        129722.00000000
        NS
        USD
        33316501.26000000
        1.042022177520
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        TaskUS Inc
        549300VFPOK2Y6GLWE32
        TaskUS Inc
        87652V109
        
          
        
        440371.00000000
        NS
        USD
        19618528.05000000
        0.613598083390
        Long
        EC
        CORP
        US
        
        N
        
        1
        
          N
          N
          N
        
      
      
        Gerresheimer AG
        5299006GD4UWSYZOKC28
        Gerresheimer AG
        000000000
        
          
        
        429949.00000000
        NS
        
        39520418.86000000
        1.236058750456
        Long
        EC
        CORP
        DE
        N
        
        1
        
          N
          N
          N
        
      
      
        Big Yellow Group PLC
        213800W7Q4V2ZI8LIW31
        Big Yellow Group PLC
        000000000
        
          
        
        1284237.00000000
        NS
        
        27743160.93000000
        0.867707828561
        Long
        EC
        CORP
        GB
        N
        
        2
        
          N
          N
          N
        
      
      
        nCino Inc
        549300WVRR2WR3L6MZ46
        nCino Inc
        63947U107
        
          
        
        331280.00000000
        NS
        USD
        20579113.60000000
        0.643641797725
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Genius Sports Ltd
        N/A
        Genius Sports Ltd
        000000000
        
          
        
        1724154.00000000
        NS
        USD
        16396704.54000000
        0.512830853263
        Long
        EC
        CORP
        GG
        
        N
        
        1
        
          N
          N
          N
        
      
      
        Allbirds Inc
        N/A
        Allbirds Inc
        01675A109
        
          
        
        693778.00000000
        NS
        USD
        13348288.72000000
        0.417487201601
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        WNS Holdings Ltd
        529900RM7QHUD3W9DM42
        WNS Holdings Ltd
        92932M101
        
          
        
        602028.00000000
        NS
        USD
        50612493.96000000
        1.582979579828
        Long
        EC
        CORP
        JE
        
        N
        
        1
        
          N
          N
          N
        
      
      
        Syneos Health Inc
        549300F1ZGKDS8P6GU13
        Syneos Health Inc
        87166B102
        
          
        
        562235.00000000
        NS
        USD
        54626752.60000000
        1.708531374614
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Nevro Corp
        254900SH91I4BOYKUE38
        Nevro Corp
        64157F103
        
          
        
        221396.00000000
        NS
        USD
        19279163.68000000
        0.602983967668
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Recursion Pharmaceuticals Inc
        N/A
        Recursion Pharmaceuticals Inc
        75629V104
        
          
        
        904578.00000000
        NS
        USD
        17295531.36000000
        0.540942973227
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Twist Bioscience Corp
        549300T23BL59LCOH584
        Twist Bioscience Corp
        90184D100
        
          
        
        141229.00000000
        NS
        USD
        13487369.50000000
        0.421837155880
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Bioxcel Therapeutics Inc
        549300Y25FYZ0E8LW260
        Bioxcel Therapeutics Inc
        09075P105
        
          
        
        285898.00000000
        NS
        USD
        6555641.14000000
        0.205037239727
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        WisdomTree Investments Inc
        549300WIU8IS7UFO7871
        WisdomTree Investments Inc
        97717P104
        
          
        
        5320259.00000000
        NS
        USD
        32666390.26000000
        1.021689007642
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Sana Biotechnology Inc
        N/A
        Sana Biotechnology Inc
        799566104
        
          
        
        513674.00000000
        NS
        USD
        9764942.74000000
        0.305412828852
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        ThredUp Inc
        N/A
        ThredUp Inc
        88556E102
        
          
        
        1250636.00000000
        NS
        USD
        23411905.92000000
        0.732241509883
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Guardant Health Inc
        254900M8C3E5VC8BR186
        Guardant Health Inc
        40131M109
        
          
        
        131360.00000000
        NS
        USD
        13808563.20000000
        0.431882957390
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Vroom Inc
        N/A
        Vroom Inc
        92918V109
        
          
        
        1522785.00000000
        NS
        USD
        21060116.55000000
        0.658685866652
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        GROSVENOR CAPITAL MGMT PIPE
        N/A
        GROSVENOR CAPITAL MGMT PIPE
        000000000
        
          
        
        1262527.00000000
        NS
        USD
        14468559.42000000
        0.452525301944
        Long
        EC
        CORP
        US
        N
        
        2
        
          N
          N
          N
        
      
      
        Skechers USA Inc
        529900D2R54KZPA4XR56
        Skechers USA Inc
        830566105
        
          
        
        976966.00000000
        NS
        USD
        43885312.72000000
        1.372577173238
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Olink Holding AB
        8945004Z7ZHV3LML4J27
        Olink Holding AB
        680710100
        
          
        
        326453.00000000
        NS
        USD
        6842454.88000000
        0.214007757837
        Long
        EC
        CORP
        SE
        N
        
        1
        
          N
          N
          
        
      
      
        Oatly Group AB
        894500CEIOQNBAH10Z10
        Oatly Group AB
        67421J108
        
          
        
        1729796.00000000
        NS
        USD
        15481674.20000000
        0.484211944575
        Long
        EC
        CORP
        SE
        
        N
        
        1
        
          N
          N
          N
        
      
      
        ICON PLC
        6354008SRQGEMC4XFI67
        ICON PLC
        000000000
        
          
        
        88281.00000000
        NS
        USD
        23877362.07000000
        0.746799329961
        Long
        EC
        CORP
        IE
        N
        
        1
        
          N
          N
          N
        
      
      
        Schneider National Inc
        529900V6GZ6G6E3BLV72
        Schneider National Inc
        80689H102
        
          
        
        973214.00000000
        NS
        USD
        23941064.40000000
        0.748791713258
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Zendesk Inc
        549300SLI6BN94BKKO36
        Zendesk Inc
        98936J101
        
          
        
        107548.00000000
        NS
        USD
        10981726.28000000
        0.343469509055
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Latch Inc
        N/A
        Latch Inc
        51818V106
        
          
        
        2891408.00000000
        NS
        USD
        23940858.24000000
        0.748785265303
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          
        
      
      
        Procore Technologies Inc
        N/A
        Procore Technologies Inc
        74275K108
        
          
        
        307761.00000000
        NS
        USD
        26085822.36000000
        0.815872147133
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Immunocore Holdings PLC
        213800IUE3DFS84BVN18
        Immunocore Holdings PLC
        45258D105
        
          
        
        229749.00000000
        NS
        USD
        8268666.51000000
        0.258614607059
        Long
        EC
        CORP
        GB
        N
        
        1
        
          N
          N
          N
        
      
      
        Knight-Swift Transportation Holdings Inc
        N/A
        Knight-Swift Transportation Holdings Inc
        499049104
        
          
        
        772937.00000000
        NS
        USD
        44250643.25000000
        1.384003418492
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Boyd Group Services Inc
        549300FVHMLW88VSTP09
        Boyd Group Services Inc
        103310108
        
          
        
        101496.00000000
        NS
        
        16398899.68000000
        0.512899509469
        Long
        EC
        CORP
        CA
        N
        
        1
        
          N
          N
          N
        
      
      
        Bright Horizons Family Solutions Inc
        N/A
        Bright Horizons Family Solutions Inc
        109194100
        
          
        
        173848.00000000
        NS
        USD
        21374611.60000000
        0.668522158112
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Thoughtworks Holding Inc
        N/A
        Thoughtworks Holding Inc
        88546E105
        
          
        
        1569699.00000000
        NS
        USD
        45835210.80000000
        1.433563080114
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Everbridge Inc
        549300WCY0UMR64ATW81
        Everbridge Inc
        29978A104
        
          
        
        391170.00000000
        NS
        USD
        44366501.40000000
        1.387627051141
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Paylocity Holding Corp
        549300VH75FTB4DIEE07
        Paylocity Holding Corp
        70438V106
        
          
        
        88363.00000000
        NS
        USD
        22297519.42000000
        0.697387446479
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Littelfuse Inc
        549300MY7HLQFYTPCX75
        Littelfuse Inc
        537008104
        
          
        
        70421.00000000
        NS
        USD
        21019260.08000000
        0.657408020953
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Nuvei Corp
        N/A
        Nuvei Corp
        67079A102
        
          
        
        308624.00000000
        NS
        USD
        30417981.44000000
        0.951366741919
        Long
        EC
        CORP
        CA
        N
        
        1
        
          N
          N
          N
        
      
      
        Keywords Studios PLC
        2138007VR9ZYCWS7VE12
        Keywords Studios PLC
        000000000
        
          
        
        1101089.00000000
        NS
        
        39509329.89000000
        1.235711926743
        Long
        EC
        CORP
        GB
        N
        
        1
        
          N
          N
          N
        
      
      
        Talkspace Inc
        N/A
        Talkspace Inc
        87427V103
        
          
        
        2565952.00000000
        NS
        USD
        5876030.08000000
        0.183781412440
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        MFS Institutional Money Market Portfolio
        5L2W638H85N8T1136O07
        MFS Institutional Money Market Portfolio
        55291X109
        
          
        
        112475378.71400000
        NS
        USD
        112475378.71000000
        3.517831543179
        Long
        STIV
        RF
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        GFL Environmental Inc
        549300FYK4MBXWIVZU26
        GFL Environmental Inc
        36168Q104
        
          
        
        816890.00000000
        NS
        USD
        31531954.00000000
        0.986207858746
        Long
        EC
        CORP
        CA
        N
        
        1
        
          N
          N
          N
        
      
      
        Bridgebio Pharma Inc
        54930028YG89VTY2J114
        Bridgebio Pharma Inc
        10806X102
        
          
        
        245224.00000000
        NS
        USD
        9931572.00000000
        0.310624402030
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        BioAtla Inc
        N/A
        BioAtla Inc
        09077B104
        
          
        
        333933.00000000
        NS
        USD
        8431808.25000000
        0.263717102961
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Open Lending Corp
        N/A
        Open Lending Corp
        68373J104
        
          
        
        1689479.00000000
        NS
        USD
        39263491.96000000
        1.228022986865
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Endava PLC
        213800JJ6CRPCWCQVZ25
        Endava PLC
        29260V105
        
          
        
        202653.00000000
        NS
        USD
        31723300.62000000
        0.992192503414
        Long
        EC
        CORP
        GB
        N
        
        1
        
          N
          N
          N
        
      
      
        ACV Auctions Inc
        N/A
        ACV Auctions Inc
        00091G104
        
          
        
        2424400.00000000
        NS
        USD
        51348792.00000000
        1.606008375108
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Malibu Boats Inc
        N/A
        Malibu Boats Inc
        56117J100
        
          
        
        621196.00000000
        NS
        USD
        43154486.12000000
        1.349719505226
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Vivid Seats Inc
        N/A
        Vivid Seats Inc
        92854T100
        
          
        
        2223528.00000000
        NS
        USD
        25792924.80000000
        0.806711348678
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Expensify Inc
        N/A
        Expensify Inc
        30219Q106
        
          
        
        416345.00000000
        NS
        USD
        18793813.30000000
        0.587803926527
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Evo Payments Inc
        549300Z5UL344C8KEC55
        Evo Payments Inc
        26927E104
        
          
        
        2560333.00000000
        NS
        USD
        54509489.57000000
        1.704863802293
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Harmony Biosciences Holdings Inc
        N/A
        Harmony Biosciences Holdings Inc
        413197104
        
          
        
        389269.00000000
        NS
        USD
        13270180.21000000
        0.415044244009
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Silk Road Medical Inc
        549300VL8KC0ZPDQHE14
        Silk Road Medical Inc
        82710M100
        
          
        
        187403.00000000
        NS
        USD
        7604813.74000000
        0.237851643278
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Neurocrine Biosciences Inc
        549300FECER0XBN49756
        Neurocrine Biosciences Inc
        64125C109
        
          
        
        147104.00000000
        NS
        USD
        12246408.00000000
        0.383024274709
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Prelude Therapeutics Inc
        N/A
        Prelude Therapeutics Inc
        74065P101
        
          
        
        322319.00000000
        NS
        USD
        4605938.51000000
        0.144057445836
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        HealthEquity Inc
        529900LRJU1RAFQHM467
        HealthEquity Inc
        42226A107
        
          
        
        442276.00000000
        NS
        USD
        24183651.68000000
        0.756378984315
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        F45 Training Holdings Inc
        549300W3HC5NKPWXMK72
        F45 Training Holdings Inc
        30322L101
        
          
        
        2173702.00000000
        NS
        USD
        23128189.28000000
        0.723367858094
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        CACI International Inc
        SYRPI2D1O9WRTS2WX210
        CACI International Inc
        127190304
        
          
        
        236189.00000000
        NS
        USD
        61274512.27000000
        1.916449755747
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Petco Health & Wellness Co Inc
        N/A
        Petco Health & Wellness Co Inc
        71601V105
        
          
        
        948305.00000000
        NS
        USD
        18179006.85000000
        0.568574957951
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Certara Inc
        N/A
        Certara Inc
        15687V109
        
          
        
        1505150.00000000
        NS
        USD
        40533689.50000000
        1.267750267835
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Rapid7 Inc
        549300GNVG5D60KEYN14
        Rapid7 Inc
        753422104
        
          
        
        622930.00000000
        NS
        USD
        77280695.80000000
        2.417066494748
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Outset Medical Inc
        N/A
        Outset Medical Inc
        690145107
        
          
        
        319520.00000000
        NS
        USD
        15145248.00000000
        0.473689724406
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        TriNet Group Inc
        5299003FJVBETSFKE990
        TriNet Group Inc
        896288107
        
          
        
        288231.00000000
        NS
        USD
        28909569.30000000
        0.904188951837
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        CoreSite Realty Corp
        549300H0YYORITFM2B74
        CoreSite Realty Corp
        21870Q105
        
          
        
        96822.00000000
        NS
        USD
        16561403.10000000
        0.517982040982
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        STAG Industrial Inc
        549300QWYX2W6FASVQ07
        STAG Industrial Inc
        85254J102
        
          
        
        1227935.00000000
        NS
        USD
        53513407.30000000
        1.673709876259
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Visteon Corp
        549300MOVLYHRW4GGW78
        Visteon Corp
        92839U206
        
          
        
        222274.00000000
        NS
        USD
        23543262.08000000
        0.736349865403
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Focus Financial Partners Inc
        5493006FFJCGLZ246V12
        Focus Financial Partners Inc
        34417P100
        
          
        
        775152.00000000
        NS
        USD
        47702854.08000000
        1.491976348130
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Ritchie Bros Auctioneers Inc
        5493002H8U24DJXQ4886
        Ritchie Bros Auctioneers Inc
        767744105
        
          
        
        784040.00000000
        NS
        USD
        53220635.20000000
        1.664553001749
        Long
        EC
        CORP
        CA
        N
        
        1
        
          N
          N
          N
        
      
      
        Shoals Technologies Group Inc
        N/A
        Shoals Technologies Group Inc
        82489W107
        
          
        
        1002284.00000000
        NS
        USD
        28164180.40000000
        0.880875826649
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Duckhorn Portfolio Inc/The
        N/A
        Duckhorn Portfolio Inc/The
        26414D106
        
          
        
        1063273.00000000
        NS
        USD
        20425474.33000000
        0.638836505434
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Amicus Therapeutics Inc
        549300MRD1SMUTNBPQ53
        Amicus Therapeutics Inc
        03152W109
        
          
        
        612219.00000000
        NS
        USD
        6556865.49000000
        0.205075533060
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        PROCEPT BioRobotics Corp
        N/A
        PROCEPT BioRobotics Corp
        74276L105
        
          
        
        370025.00000000
        NS
        USD
        12073915.75000000
        0.377629327966
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        CryoPort Inc
        N/A
        CryoPort Inc
        229050307
        
          
        
        256787.00000000
        NS
        USD
        17060928.28000000
        0.533605419671
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Paycor HCM Inc
        N/A
        Paycor HCM Inc
        70435P102
        
          
        
        1584888.00000000
        NS
        USD
        46659102.72000000
        1.459331501768
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        SpringWorks Therapeutics Inc
        N/A
        SpringWorks Therapeutics Inc
        85205L107
        
          
        
        260790.00000000
        NS
        USD
        18737761.50000000
        0.586050824716
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        MaxCyte Inc
        54930053YHXULRFCU991
        MaxCyte Inc
        57777K106
        
          
        
        1267735.00000000
        NS
        USD
        12651995.30000000
        0.395709609169
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Q2 Holdings Inc
        549300M9RKR9DZXWS696
        Q2 Holdings Inc
        74736L109
        
          
        
        682636.00000000
        NS
        USD
        54815670.80000000
        1.714440066905
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Annexon Inc
        N/A
        Annexon Inc
        03589W102
        
          
        
        487334.00000000
        NS
        USD
        7938670.86000000
        0.248293511722
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Ping Identity Holding Corp
        N/A
        Ping Identity Holding Corp
        72341T103
        
          
        
        606571.00000000
        NS
        USD
        14442455.51000000
        0.451708864079
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Ingevity Corp
        5493009UTFC4B5IMGF87
        Ingevity Corp
        45688C107
        
          
        
        488585.00000000
        NS
        USD
        35134147.35000000
        1.098871710485
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Element Solutions Inc
        549300FLGN6P5CU20J91
        Element Solutions Inc
        28618M106
        
          
        
        1328713.00000000
        NS
        USD
        30387666.31000000
        0.950418592006
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Maravai LifeSciences Holdings Inc
        N/A
        Maravai LifeSciences Holdings Inc
        56600D107
        
          
        
        643053.00000000
        NS
        USD
        29541854.82000000
        0.923964603824
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Optinose Inc
        549300CPBME7Z3CYMN16
        Optinose Inc
        68404V100
        
          
        
        1169386.00000000
        NS
        USD
        1859323.74000000
        0.058153062266
        Long
        EC
        CORP
        US
        N
        
        1
        
          N
          N
          
        
      
    
    
      
    
    
      2021-12-23
      MFS SERIES TRUST I
      Kasey Phillips
      Kasey Phillips
      Assistant Treasurer
    
  
  XXXX



Quarterly Report
November 30, 2021
MFS®  New Discovery Fund
NDF-Q1

Portfolio of Investments
11/30/21 (unaudited)
The Portfolio of Investments is a complete list of all securities owned by your fund. It is categorized by broad-based asset classes.
Issuer     Shares/Par Value ($)
Common Stocks – 96.8%
Aerospace & Defense – 1.9%  
CACI International, Inc., “A” (a)   236,189 $61,274,512
Airlines – 1.2%  
JetBlue Airways Corp. (a)   2,957,737 $39,692,831
Apparel Manufacturers – 2.1%  
Allbirds, Inc., “A” (a)   693,778 $13,348,289
On Holding AG (a)   221,413 8,891,946
Skechers USA, Inc., “A” (a)   976,966 43,885,313
        $66,125,548
Automotive – 0.7%  
Visteon Corp. (a)   222,274 $23,543,262
Biotechnology – 5.7%  
Abcam PLC (a)   1,245,796 $28,089,932
Adaptive Biotechnologies Corp. (a)   407,145 10,622,413
AlloVir, Inc. (a)   524,822 9,163,392
Amicus Therapeutics, Inc. (a)   612,219 6,556,865
BioAtla, Inc. (a)   333,933 8,431,808
BioXcel Therapeutics, Inc. (a)   285,898 6,555,641
BridgeBio Pharma, Inc. (a)   245,224 9,931,572
Immunocore Holdings PLC, ADR (a)   229,749 8,268,667
Lyell Immunopharma, Inc. (a)   665,518 6,355,697
MaxCyte, Inc. (a)   1,267,735 12,651,995
Neurocrine Biosciences, Inc. (a)   147,104 12,246,408
Olink Holding AB (a)(l)   326,453 6,842,455
Oxford Nanopore Technologies PLC (a)   1,318,496 12,099,382
Prelude Therapeutics, Inc. (a)   322,319 4,605,939
Recursion Pharmaceuticals, Inc. (a)   904,578 17,295,531
Sana Biotechnology, Inc. (a)   513,674 9,764,943
Twist Bioscience Corp. (a)   141,229 13,487,370
        $182,970,010
Brokerage & Asset Managers – 4.9%  
Focus Financial Partners, “A” (a)   775,152 $47,702,854
GCM Grosvenor, Inc.   827,478 9,482,898
GCM Grosvenor, Inc. (PIPE) (a)   1,262,527 14,468,560
Hamilton Lane, Inc., “A”   498,151 52,689,431
WisdomTree Investments, Inc.   5,320,259 32,666,390
        $157,010,133
Business Services – 13.1%  
Endava PLC, ADR (a)   202,653 $31,723,301
EVO Payments, Inc., “A” (a)(h)   2,560,333 54,509,490
ExlService Holdings, Inc. (a)   386,074 50,139,430
Keywords Studios PLC   1,101,089 39,509,330
LegalZoom.com, Inc. (a)   1,163,250 20,950,133
Payoneer Global, Inc. (a)   3,885,610 30,113,477
Remitly Global, Inc. (a)   1,921,049 46,220,439
TaskUs, Inc., “A” (a)   440,371 19,618,528
Thoughtworks Holding, Inc. (a)   1,569,699 45,835,211
TriNet Group, Inc. (a)   288,231 28,909,569
WNS (Holdings) Ltd., ADR (a)   602,028 50,612,494
        $418,141,402
1

Portfolio of Investments (unaudited) – continued
Issuer     Shares/Par Value ($)
Common Stocks – continued
Chemicals – 2.0%  
Element Solutions, Inc.   1,328,713 $30,387,666
Ingevity Corp. (a)   488,585 35,134,148
        $65,521,814
Computer Software – 12.2%  
8x8, Inc. (a)   1,107,278 $23,861,841
Alkami Technology, Inc. (a)   1,593,854 45,727,671
Avalara, Inc. (a)   112,504 15,714,559
Definitive Healthcare Corp. (a)   272,705 7,992,984
DoubleVerify Holdings, Inc. (a)   943,681 29,140,869
Everbridge, Inc. (a)   391,170 44,366,501
Expensify, Inc., “A” (a)   416,345 18,793,813
nCino, Inc. (a)   331,280 20,579,114
Open Lending Corp., “A” (a)   1,689,479 39,263,492
Pagerduty, Inc. (a)   681,655 24,164,670
Paycor HCM, Inc. (a)   1,584,888 46,659,103
Paylocity Holding Corp. (a)   88,363 22,297,519
Ping Identity Holding Corp. (a)   606,571 14,442,456
Procore Technologies, Inc. (a)   307,761 26,085,822
Zendesk, Inc. (a)   107,548 10,981,726
        $390,072,140
Computer Software - Systems – 5.1%  
Nuvei Corp. (a)   308,624 $30,417,981
Q2 Holdings, Inc. (a)   682,636 54,815,671
Rapid7, Inc. (a)   622,930 77,280,696
        $162,514,348
Construction – 3.3%  
AZEK Co., Inc. (a)   1,435,438 $56,297,879
Latch, Inc. (a)(l)   2,891,408 23,940,858
Trex Co., Inc. (a)   184,982 24,560,060
        $104,798,797
Consumer Services – 2.4%  
Boyd Group Services, Inc.   101,496 $16,398,900
Bright Horizons Family Solutions, Inc. (a)   173,848 21,374,611
European Wax Center, Inc., “A” (a)   554,238 14,947,799
F45 Training Holdings, Inc. (a)   2,173,702 23,128,189
        $75,849,499
Electrical Equipment – 3.0%  
Advanced Drainage Systems, Inc.   231,251 $28,608,061
Littlefuse, Inc.   70,421 21,019,260
Sensata Technologies Holding PLC (a)   814,523 45,368,931
        $94,996,252
Electronics – 1.4%  
Advanced Energy Industries, Inc.   519,861 $45,586,611
Entertainment – 1.9%  
Manchester United PLC, “A”   2,206,936 $34,008,884
Vivid Seats, Inc., “A”   2,223,528 25,792,925
        $59,801,809
Food & Beverages – 1.6%  
Duckhorn Portfolio, Inc. (a)   1,063,273 $20,425,474
Dutch Bros, Inc., “A” (a)   203,639 10,760,285
Laird Superfood, Inc. (a)   105,353 1,404,355
2

Portfolio of Investments (unaudited) – continued
Issuer     Shares/Par Value ($)
Common Stocks – continued
Food & Beverages – continued  
Oatly Group AB, ADR (a)   2,032,106 $18,187,349
        $50,777,463
Gaming & Lodging – 1.3%  
Genius Sports Ltd. (a)   2,022,499 $19,233,965
Penn National Gaming, Inc. (a)   463,138 23,726,560
        $42,960,525
Leisure & Toys – 1.4%  
Malibu Boats, Inc., “A” (a)   621,196 $43,154,486
Machinery & Tools – 2.5%  
Hydrofarm Holdings Group, Inc. (a)   838,919 $27,684,327
Ritchie Bros. Auctioneers, Inc.   784,040 53,220,635
        $80,904,962
Medical & Health Technology & Services – 6.0%  
Certara, Inc. (a)   1,505,150 $40,533,689
Charles River Laboratories International, Inc. (a)   35,362 12,937,895
Guardant Health, Inc. (a)   131,360 13,808,563
HealthEquity, Inc. (a)   442,276 24,183,652
ICON PLC (a)   88,281 23,877,362
LifeStance Health Group, Inc. (a)   1,930,399 15,327,368
Syneos Health, Inc. (a)   562,235 54,626,753
Talkspace, Inc. (a)   2,565,952 5,876,030
        $191,171,312
Medical Equipment – 3.9%  
Gerresheimer AG   429,949 $39,520,419
Maravai Lifesciences Holdings, Inc., “A” (a)   643,053 29,541,855
Nevro Corp. (a)   221,396 19,279,163
OptiNose, Inc. (a)(l)   1,169,386 1,859,324
Outset Medical, Inc. (a)   319,520 15,145,248
PROCEPT BioRobotics Corp. (a)   370,025 12,073,916
Silk Road Medical, Inc. (a)   187,403 7,604,814
        $125,024,739
Network & Telecom – 0.5%  
CoreSite Realty Corp., REIT   96,822 $16,561,403
Other Banks & Diversified Financials – 1.8%  
First Interstate BancSystem, Inc.   693,828 $28,308,182
Prosperity Bancshares, Inc.   398,313 28,391,751
        $56,699,933
Pharmaceuticals – 1.8%  
Annexon, Inc. (a)   487,334 $7,938,671
Collegium Pharmaceutical, Inc. (a)   511,358 8,989,674
Harmony Biosciences Holdings (a)   389,269 13,270,180
SpringWorks Therapeutics, Inc. (a)   260,790 18,737,761
Turning Point Therapeutics, Inc. (a)   246,268 9,372,960
        $58,309,246
Pollution Control – 1.0%  
GFL Environmental, Inc.   816,890 $31,531,954
3

Portfolio of Investments (unaudited) – continued
Issuer     Shares/Par Value ($)
Common Stocks – continued
Real Estate – 3.6%  
Big Yellow Group PLC, REIT   1,284,237 $27,743,161
Innovative Industrial Properties, Inc., REIT   129,722 33,316,501
STAG Industrial, Inc., REIT   1,227,935 53,513,408
        $114,573,070
Specialty Chemicals – 1.4%  
Axalta Coating Systems Ltd. (a)   1,483,227 $44,971,443
Specialty Stores – 5.5%  
ACV Auctions, Inc. (a)   2,424,400 $51,348,792
Leslie's, Inc. (a)   2,835,786 59,438,075
Petco Health & Wellness Co., Inc. (a)   1,121,813 21,505,155
ThredUp, Inc. (a)   1,250,636 23,411,906
Vroom, Inc. (a)   1,522,785 21,060,116
        $176,764,044
Trucking – 2.7%  
CryoPort, Inc. (a)   256,787 $17,060,928
Knight-Swift Transportation Holdings, Inc.   772,937 44,250,643
Schneider National, Inc.   973,214 23,941,065
        $85,252,636
Utilities - Electric Power – 0.9%  
Shoals Technologies Group, Inc. (a)   1,002,284 $28,164,180
Total Common Stocks   $3,094,720,364
Investment Companies (h) – 3.5%
Money Market Funds – 3.5%  
MFS Institutional Money Market Portfolio, 0.05% (v)     112,480,196 $112,480,196
Collateral for Securities Loaned – 0.3%
State Street Navigator Securities Lending Government Money Market Portfolio, 0.03% (j)     10,032,440 $10,032,440
 
Other Assets, Less Liabilities – (0.6)%   (19,461,857)
Net Assets – 100.0% $3,197,771,143
(a) Non-income producing security.      
(h) An affiliated issuer, which may be considered one in which the fund owns 5% or more of the outstanding voting securities, or a company which is under common control. At period end, the aggregate values of the fund's investments in affiliated issuers and in unaffiliated issuers were $166,989,686 and $3,050,243,314, respectively.      
(j) The rate quoted is the annualized seven-day yield of the fund at period end.      
(l) A portion of this security is on loan. See Note 2 for additional information.      
(v) Affiliated issuer that is available only to investment companies managed by MFS. The rate quoted for the MFS Institutional Money Market Portfolio is the annualized seven-day yield of the fund at period end.      
The following abbreviations are used in this report and are defined:
ADR American Depositary Receipt
PIPE Private Investment in Public Equity
REIT Real Estate Investment Trust
See attached supplemental information. For more information see notes to financial statements as disclosed in the most recent semiannual or annual report.
4

Supplemental Information
11/30/21 (unaudited)
The fund is an investment company and accordingly follows the investment company accounting and reporting guidance of the Financial Accounting Standards Board (FASB) Accounting Standards Codification Topic 946 Financial Services - Investment Companies.
(1) Investment Valuations
Equity securities, including restricted equity securities, are generally valued at the last sale or official closing price on their primary market or exchange as provided by a third-party pricing service. Equity securities, for which there were no sales reported that day, are generally valued at the last quoted daily bid quotation on their primary market or exchange as provided by a third-party pricing service. Short-term instruments with a maturity at issuance of 60 days or less may be valued at amortized cost, which approximates market value. Open-end investment companies are generally valued at net asset value per share. Securities and other assets generally valued on the basis of information from a third-party pricing service may also be valued at a broker/dealer bid quotation. In determining values, third-party pricing services can utilize both transaction data and market information such as yield, quality, coupon rate, maturity, type of issue, trading characteristics, and other market data. The values of foreign securities and other assets and liabilities expressed in foreign currencies are converted to U.S. dollars using the mean of bid and asked prices for rates provided by a third-party pricing service.
The Board of Trustees has delegated primary responsibility for determining or causing to be determined the value of the fund’s investments (including any fair valuation) to the adviser pursuant to valuation policies and procedures approved by the Board. If the adviser determines that reliable market quotations are not readily available, investments are valued at fair value as determined in good faith by the adviser in accordance with such procedures under the oversight of the Board of Trustees. Under the fund’s valuation policies and procedures, market quotations are not considered to be readily available for most types of debt instruments and floating rate loans and many types of derivatives. These investments are generally valued at fair value based on information from third-party pricing services. In addition, investments may be valued at fair value if the adviser determines that an investment’s value has been materially affected by events occurring after the close of the exchange or market on which the investment is principally traded (such as foreign exchange or market) and prior to the determination of the fund’s net asset value, or after the halt of trading of a specific security where trading does not resume prior to the close of the exchange or market on which the security is principally traded. Events that occur after foreign markets close (such as developments in foreign markets and significant movements in the U.S. markets) and prior to the determination of the fund’s net asset value may be deemed to have a material effect on the value of securities traded in foreign markets. Accordingly, the fund’s foreign equity securities may often be valued at fair value. The adviser generally relies on third-party pricing services or other information (such as the correlation with price movements of similar securities in the same or other markets; the type, cost and investment characteristics of the security; the business and financial condition of the issuer; and trading and other market data) to assist in determining whether to fair value and at what value to fair value an investment. The value of an investment for purposes of calculating the fund’s net asset value can differ depending on the source and method used to determine value. When fair valuation is used, the value of an investment used to determine the fund’s net asset value may differ from quoted or published prices for the same investment. There can be no assurance that the fund could obtain the fair value assigned to an investment if it were to sell the investment at the same time at which the fund determines its net asset value per share.
Various inputs are used in determining the value of the fund's assets or liabilities. These inputs are categorized into three broad levels. In certain cases, the inputs used to measure fair value may fall into different levels of the fair value hierarchy. In such cases, an investment's level within the fair value hierarchy is based on the lowest level of input that is significant to the fair value measurement. The fund's assessment of the significance of a particular input to the fair value measurement in its entirety requires judgment, and considers factors specific to the investment. Level 1 includes unadjusted quoted prices in active markets for identical assets or liabilities. Level 2 includes other significant observable market-based inputs (including quoted prices for similar securities, interest rates, prepayment speed, and credit risk). Level 3 includes unobservable inputs, which may include the adviser's own assumptions in determining the fair value of investments. The following is a summary of the levels used as of November 30, 2021 in valuing the fund's assets and liabilities:
Financial Instruments Level 1 Level 2 Level 3 Total
Equity Securities:        
United States $2,598,642,508 $14,468,560 $— $2,613,111,068
United Kingdom 144,843,529 55,833,093 200,676,622
Canada 131,569,470 131,569,470
India 50,612,494 50,612,494
Germany 39,520,419 39,520,419
Ireland 23,877,362 23,877,362
Philippines 19,618,528 19,618,528
Switzerland 8,891,946 8,891,946
Sweden 6,842,455 6,842,455
Mutual Funds 122,512,636 122,512,636
Total $3,146,931,347 $70,301,653 $— $3,217,233,000
For further information regarding security characteristics, see the Portfolio of Investments.
5

Supplemental Information (unaudited) – continued
(2) Securities Lending Collateral
At November 30, 2021, the value of securities loaned was $10,871,191. These loans were collateralized by cash of $10,032,440 and U.S. Treasury Obligations (held by the lending agent) of $1,154,819.
(3) Investments in Affiliated Issuers
An affiliated issuer may be considered one in which the fund owns 5% or more of the outstanding voting securities, or a company which is under common control. For the purposes of this report, the following were affiliated issuers:
Affiliated Issuers Beginning
Value
Purchases Sales
Proceeds
Realized
Gain
(Loss)
Change in
Unrealized
Appreciation or
Depreciation
Ending
Value
EVO Payments, Inc., “A” $43,081,063 $21,449,205 $1,808,776 $(419,368) $(7,792,634) $54,509,490
MFS Institutional Money Market Portfolio 122,912,898 289,290,595 299,723,297 112,480,196
ThredUp, Inc. * 23,974,692 (562,786) $—
  $189,968,653 $310,739,800 $301,532,073 $(419,368) $(8,355,420) $166,989,686
Affiliated Issuers Dividend
Income
Capital Gain
Distributions
EVO Payments, Inc., “A” $— $—
MFS Institutional Money Market Portfolio 13,551
ThredUp, Inc. *
  $13,551 $—
* Held at period end. No longer considered an affiliated issuer.
(4) Impacts of COVID-19
The pandemic related to the global spread of novel coronavirus disease (COVID-19), which was first detected in December 2019, has resulted in significant disruptions to global business activity and the global economy, as well as the economies of individual countries, the financial performance of individual companies and sectors, and the securities and commodities markets in general. Multiple surges in cases globally, the availability and widespread adoption of vaccines, and the emergence of variant strains of the virus continue to create uncertainty as to the future and long-term impacts resulting from the pandemic including impacts to the prices and liquidity of the fund's investments and the fund's performance.
6


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