CBRE Group, Inc., Class A

NPORT-P false 0000063068 XXXXXXXX S000002434 C000006513 C000006516 C000006511 C000006509 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 2025-08-31 2024-11-30 N 16103959109.73 32328971.15 16071630138.58 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 CBRE Group, Inc. 52990016II9MJ2OSWA10 CBRE Group, Inc., Class A 12504L109 695189.00000000 NS USD 97319508.11000000 0.605536011411 Long EC CORP US N 1 N N N Cadence Design Systems, Inc. GCT7RXJOGLXPV0NXZY22 Cadence Design Systems, Inc. 127387108 537367.00000000 NS USD 164869569.27000000 1.025842231611 Long EC CORP US N 1 N N N Vulcan Materials Co. 549300Q8LSNHAVWBNI21 Vulcan Materials Co. 929160109 923668.00000000 NS USD 266136460.84000000 1.655939432062 Long EC CORP US N 1 N N N AMETEK, Inc. 549300WZDEF9KKE40E98 AMETEK, Inc. 031100100 1295130.00000000 NS USD 251747369.40000000 1.566408430440 Long EC CORP US N 1 N N N CoStar Group, Inc. N/A CoStar Group, Inc. 22160N109 2387198.00000000 NS USD 194174685.32000000 1.208182889014 Long EC CORP US N 1 N N N Equifax, Inc. 5493004MCF8JDC86VS77 Equifax, Inc. 294429105 63859.00000000 NS USD 16702960.04000000 0.103928225674 Long EC CORP US N 1 N N N nVent Electric plc N/A nVent Electric plc N/A 638604.00000000 NS USD 50009079.24000000 0.311163701558 Long EC CORP IE N 1 N N N Oddity Tech Ltd. N/A Oddity Tech Ltd., Class A N/A 983386.00000000 NS USD 45688113.56000000 0.284278030081 Long EC CORP IL N 1 N N MFS Institutional Money Market Portfolio 5L2W638H85N8T1136O07 MFS Institutional Money Market Portfolio, Class A 55291X109 175487588.13870000 NS USD 175505136.90000000 1.092018266888 Long STIV RF US N 1 N N N Waters Corp. 5T547R1474YC9HOD8Q74 Waters Corp. 941848103 312878.00000000 NS USD 120370424.16000000 0.748962134656 Long EC CORP US N 1 N N N Howmet Aerospace, Inc. 549300HO5WFZUT5N2T22 Howmet Aerospace, Inc. 443201108 4764606.00000000 NS USD 564034058.28000000 3.509501235509 Long EC CORP US N 1 N N N Floor & Decor Holdings, Inc. 549300M5FR3N688XGQ36 Floor & Decor Holdings, Inc., Class A 339750101 375279.00000000 NS USD 42110056.59000000 0.262014843714 Long EC CORP US N 1 N N N Saia, Inc. 549300WNPG4N9GBOYB29 Saia, Inc. 78709Y105 110454.00000000 NS USD 62857162.32000000 0.391106326974 Long EC CORP US N 1 N N N Expand Energy Corp. X2MT1W32SPAZ9WSKLE78 Expand Energy Corp. 165167735 1259199.00000000 NS USD 124610333.04000000 0.775343459036 Long EC CORP US N 1 N N Gartner, Inc. PP55B5R38BFB8O8HH686 Gartner, Inc. 366651107 650055.00000000 NS USD 336682986.15000000 2.094890084247 Long EC CORP US N 1 N N N Cheniere Energy, Inc. MIHC87W9WTYSYZWV1J40 Cheniere Energy, Inc. 16411R208 1001095.00000000 NS USD 224255290.95000000 1.395348754397 Long EC CORP US N 1 N N N N/A N/A Constellation Software, Inc. 21037X134 115391.00000000 NS 0.00000000 0.000000 N/A DO CA N 2 Constellation Software, Inc. 549300B6PYHMCTDWQV29 Call Purchased Constellation Software, Inc. Constellation Software, Inc. 1.00000000 0.00000100 CAD 2040-03-31 XXXX 0.00000000 N N N Spotify Technology SA 549300B4X0JHWV0DTD60 Spotify Technology SA N/A 926052.00000000 NS USD 441689761.92000000 2.748257383423 Long EC CORP LU N 1 N N N Bio-Techne Corp. 54930073RLKQ51TILZ35 Bio-Techne Corp. 09073M104 1407531.00000000 NS USD 106071536.16000000 0.659992391844 Long EC CORP US N 1 N N N Bright Horizons Family Solutions, Inc. N/A Bright Horizons Family Solutions, Inc. 109194100 2153935.00000000 NS USD 249059504.05000000 1.549684144685 Long EC CORP US N 1 N N N Las Vegas Sands Corp. 549300DUOO1KXOHPM605 Las Vegas Sands Corp. 517834107 919774.00000000 NS USD 48803208.44000000 0.303660599573 Long EC CORP US N 1 N N N Arista Networks, Inc. 635400H1WKBLOQERUU95 Arista Networks, Inc. 040413106 149902.00000000 NS USD 60833229.64000000 0.378513126020 Long EC CORP US N 1 N N N Morningstar, Inc. 529900YGNQPOVAXQ7F29 Morningstar, Inc. 617700109 801918.00000000 NS USD 283999259.70000000 1.767084342105 Long EC CORP US N 1 N N N Aramark 549300MR6PG2DWZUIL39 Aramark 03852U106 2572117.00000000 NS USD 104659440.73000000 0.651206130476 Long EC CORP US N 1 N N N DraftKings, Inc. 2549006G33IUL6IVOD83 DraftKings, Inc., Class A 26142V105 4893015.00000000 NS USD 213580104.75000000 1.328926206665 Long EC CORP US N 1 N N N NU Holdings Ltd. 5493002DG1RHWK9W2X27 NU Holdings Ltd., Class A N/A 2007888.00000000 NS USD 25158836.64000000 0.156541909084 Long EC CORP KY N 1 N N N PTC, Inc. 54930050SSMU8SKDJ030 PTC, Inc. 69370C100 755857.00000000 NS USD 151216751.42000000 0.940892430426 Long EC CORP US N 1 N N N Westinghouse Air Brake Technologies Corp. 06BTX5UWZD0GQ5N5Y745 Westinghouse Air Brake Technologies Corp. 929740108 1648162.00000000 NS USD 330654260.44000000 2.057378483631 Long EC CORP US N 1 N N N Illumina, Inc. SQ95QG8SR5Q56LSNF682 Illumina, Inc. 452327109 323255.00000000 NS USD 46597208.25000000 0.289934548320 Long EC CORP US N 1 N N N ACV Auctions, Inc. N/A ACV Auctions, Inc., Class A 00091G104 5270194.00000000 NS USD 119211788.28000000 0.741752935153 Long EC CORP US N 1 N N N Church & Dwight Co., Inc. POOXSI30AWAQGYJZC921 Church & Dwight Co., Inc. 171340102 1344266.00000000 NS USD 148044014.58000000 0.921151204348 Long EC CORP US N 1 N N N Chipotle Mexican Grill, Inc. N/A Chipotle Mexican Grill, Inc. 169656105 3029282.00000000 NS USD 186361428.64000000 1.159567679401 Long EC CORP US N 1 N N N Veeva Systems, Inc. 549300YZEXPDB92M2F02 Veeva Systems, Inc., Class A 922475108 914364.00000000 NS USD 208337837.40000000 1.296308063361 Long EC CORP US N 1 N N N Vertiv Holdings Co. 549300KTTIRAOGXCRV69 Vertiv Holdings Co., Class A 92537N108 1738071.00000000 NS USD 221777859.60000000 1.379933819330 Long EC CORP US N 1 N N N Wolters Kluwer NV 724500TEM53I0U077B74 Wolters Kluwer NV N/A 1608853.00000000 NS 268539546.54000000 1.670891777775 Long EC CORP NL N 1 N N N TransDigm Group, Inc. N/A TransDigm Group, Inc. 893641100 72433.00000000 NS USD 90756376.01000000 0.564699257184 Long EC CORP US N 1 N N N Natera, Inc. N/A Natera, Inc. 632307104 1648176.00000000 NS USD 276530969.28000000 1.720615562301 Long EC CORP US N 1 N N N MSCI, Inc. 549300HTIN2PD78UB763 MSCI, Inc. 55354G100 478711.00000000 NS USD 291836586.93000000 1.815849322150 Long EC CORP US N 1 N N N JPMORGAN US GOVERNMENT MONEY MKT FD 549300NQ5E5B7ZV4T516 JPMORGAN US GOVERNMENT MONEY MARKET FUND OPEN-END FUND USD 4812C2270 27878505.00000000 NS USD 27878505.00000000 0.173464077754 Long STIV RF US N 1 N N Diamondback Energy, Inc. 549300R22LSX6OHWEN64 Diamondback Energy, Inc. 25278X109 505502.00000000 NS USD 89772100.18000000 0.558574951053 Long EC CORP US N 1 N N N Axon Enterprise, Inc. 549300QP2IEEGFE16681 Axon Enterprise, Inc. 05464C101 409613.00000000 NS USD 265003226.48000000 1.648888284479 Long EC CORP US N 1 N N N ASM International NV 7245001I22ND6ZFHX623 ASM International NV N/A 116961.00000000 NS 63208291.67000000 0.393291104418 Long EC CORP NL N 1 N N N TKO Group Holdings, Inc. N/A TKO Group Holdings, Inc. 87256C101 1288175.00000000 NS USD 177716623.00000000 1.105778452264 Long EC CORP US N 1 N N N Live Nation Entertainment, Inc. 5493007B9BM9ZXJINO78 Live Nation Entertainment, Inc. 538034109 1466273.00000000 NS USD 202712242.25000000 1.261304799215 Long EC CORP US N 1 N N N Datadog, Inc. 549300F6JNO0KRPO1K63 Datadog, Inc., Class A 23804L103 1648668.00000000 NS USD 251834037.00000000 1.566947688744 Long EC CORP US N 1 N N N HubSpot, Inc. 529900BLNVEW0MVKJB37 HubSpot, Inc. 443573100 384527.00000000 NS USD 277263193.35000000 1.725171566040 Long EC CORP US N 1 N N N Chemed Corp. 54930020031IDJT2IM79 Chemed Corp. 16359R103 155255.00000000 NS USD 88866409.45000000 0.552939612744 Long EC CORP US N 1 N N N Ascendis Pharma A/S 549300B66JN3W3J8GH73 Ascendis Pharma A/S 04351P101 1318834.00000000 NS USD 179466930.72000000 1.116669119264 Long EC CORP DK N 1 N N N Arthur J Gallagher & Co. 54930049QLLMPART6V29 Arthur J Gallagher & Co. 363576109 1005799.00000000 NS USD 314050679.76000000 1.954068610663 Long EC CORP US N 1 N N N Dexcom, Inc. 549300YSK3QDSFR5EU59 Dexcom, Inc. 252131107 783606.00000000 NS USD 61113431.94000000 0.380256585131 Long EC CORP US N 1 N N N Viking Therapeutics, Inc. 529900IVC72YPFA25M37 Viking Therapeutics, Inc. 92686J106 867711.00000000 NS USD 45936620.34000000 0.285824275097 Long EC CORP US N 1 N N Corpay, Inc. 549300DG6RR0NQSFLN74 Corpay, Inc. 219948106 77383.00000000 NS USD 29496851.94000000 0.183533665755 Long EC CORP US N 1 N N N Quanta Services, Inc. SHVRXXEACT60MMH07S24 Quanta Services, Inc. 74762E102 561753.00000000 NS USD 193535143.56000000 1.204203567971 Long EC CORP US N 1 N N N Evercore, Inc. 529900P6KLPT95DW3W58 Evercore, Inc., Class A 29977A105 100206.00000000 NS USD 30853427.40000000 0.191974473864 Long EC CORP US N 1 N N N Manhattan Associates, Inc. 529900Q1GJP7KD52SW51 Manhattan Associates, Inc. 562750109 596989.00000000 NS USD 170404540.16000000 1.060281618545 Long EC CORP US N 1 N N N Take-Two Interactive Software, Inc. BOMSTHHJK882EWYX3334 Take-Two Interactive Software, Inc. 874054109 2064750.00000000 NS USD 388957605.00000000 2.420150299914 Long EC CORP US N 1 N N N TPG, Inc. 549300NLO4R8MX77XJ02 TPG, Inc. 872657101 2539900.00000000 NS USD 177691404.00000000 1.105621536009 Long EC CORP US N 1 N N N Legend Biotech Corp. 254900EIUFZTW136H859 Legend Biotech Corp. 52490G102 1579295.00000000 NS USD 66440940.65000000 0.413405112469 Long EC CORP KY N 1 N N Wingstop, Inc. 549300SSH3F8HPIM3Q47 Wingstop, Inc. 974155103 452995.00000000 NS USD 148931166.15000000 0.926671189330 Long EC CORP US N 1 N N N Vistra Corp. 549300KP43CPCUJOOG15 Vistra Corp. 92840M102 1628431.00000000 NS USD 260288411.04000000 1.619552023009 Long EC CORP US N 1 N N N Sweetgreen, Inc. N/A Sweetgreen, Inc., Class A 87043Q108 617556.00000000 NS USD 25307444.88000000 0.157466570981 Long EC CORP US N 1 N N N Masimo Corp. 549300Q4A8JK0PIYCU29 Masimo Corp. 574795100 1252544.00000000 NS USD 216113941.76000000 1.344692105881 Long EC CORP US N 1 N N N Verisk Analytics, Inc. 549300I1YSWNIRKBWP67 Verisk Analytics, Inc. 92345Y106 1205472.00000000 NS USD 354661917.12000000 2.206757585023 Long EC CORP US N 1 N N N Ingersoll Rand, Inc. 5299004C02FMZCUOIR50 Ingersoll Rand, Inc. 45687V106 1245226.00000000 NS USD 129715192.42000000 0.807106630139 Long EC CORP US N 1 N N N IDEXX Laboratories, Inc. OGMTXK0LUU1HKV2P0J84 IDEXX Laboratories, Inc. 45168D104 27953.00000000 NS USD 11789177.75000000 0.073353963775 Long EC CORP US N 1 N N N Guidewire Software, Inc. 549300WXSG0J8IXZCK32 Guidewire Software, Inc. 40171V100 2021197.00000000 NS USD 410080659.33000000 2.551580989569 Long EC CORP US N 1 N N N ServiceNow, Inc. 549300HJTQM36M0E1G39 ServiceNow, Inc. 81762P102 183529.00000000 NS USD 192602673.76000000 1.198401606428 Long EC CORP US N 1 N N N GFL Environmental, Inc. 549300FYK4MBXWIVZU26 GFL Environmental, Inc. 36168Q104 3090674.00000000 NS USD 145570745.40000000 0.905762166904 Long EC CORP CA N 1 N N N Agilent Technologies, Inc. QUIX8Y7A2WP0XRMW7G29 Agilent Technologies, Inc. 00846U101 1275360.00000000 NS USD 175961419.20000000 1.094857321147 Long EC CORP US N 1 N N N LPL Financial Holdings, Inc. 549300XROQ4Y8G2L7682 LPL Financial Holdings, Inc. 50212V100 812148.00000000 NS USD 264069922.20000000 1.643081130681 Long EC CORP US N 1 N N N Hubbell, Inc. 54930088VDQ6840Y6597 Hubbell, Inc. 443510607 369623.00000000 NS USD 170059846.07000000 1.058136882218 Long EC CORP US N 1 N N N AZEK Co., Inc. (The) 5493002LDDDU1RX46815 AZEK Co., Inc. (The) 05478C105 3894679.00000000 NS USD 206885348.48000000 1.287270467874 Long EC CORP US N 1 N N N Ares Management Corp. 529900JUV61FH7B8VW38 Ares Management Corp. 03990B101 1407630.00000000 NS USD 248770449.90000000 1.547885608086 Long EC CORP US N 1 N N N FactSet Research Systems, Inc. 549300ZSJE7NBK6K9P30 FactSet Research Systems, Inc. 303075105 277418.00000000 NS USD 136120690.06000000 0.846962560028 Long EC CORP US N 1 N N N TransUnion 549300ZS772LUNUMRB03 TransUnion 89400J107 2450159.00000000 NS USD 248691138.50000000 1.547392121120 Long EC CORP US N 1 N N N CDW Corp. 9845001B052ABF0B6755 CDW Corp. 12514G108 102050.00000000 NS USD 17953656.50000000 0.111710239379 Long EC CORP US N 1 N N N Hexcel Corp. S6Q7LW43WUBUHXY2QP69 Hexcel Corp. 428291108 1029324.00000000 NS USD 65248848.36000000 0.405987742359 Long EC CORP US N 1 N N N Coupang, Inc. 549300XR4L1D80AK4W76 Coupang, Inc. 22266T109 579180.00000000 NS USD 14688004.80000000 0.091390883646 Long EC CORP US N 1 N N N STERIS plc N/A STERIS plc N/A 729145.00000000 NS USD 159726503.70000000 0.993841336085 Long EC CORP IE N 1 N N N Dun & Bradstreet Holdings, Inc. N/A Dun & Bradstreet Holdings, Inc. 26484T106 3246760.00000000 NS USD 41233852.00000000 0.256562972420 Long EC CORP US N 1 N N N Tradeweb Markets, Inc. N/A Tradeweb Markets, Inc., Class A 892672106 973171.00000000 NS USD 131864670.50000000 0.820480992674 Long EC CORP US N 1 N N N Tractor Supply Co. 549300OJ9VZHZRO6I137 Tractor Supply Co. 892356106 643907.00000000 NS USD 182657098.69000000 1.136518804346 Long EC CORP US N 1 N N N Astera Labs, Inc. N/A Astera Labs, Inc. 04626A103 1203527.00000000 NS USD 124264162.75000000 0.773189537579 Long EC CORP US N 1 N N N Tyler Technologies, Inc. 25490040SMU4Z8LBCW70 Tyler Technologies, Inc. 902252105 559322.00000000 NS USD 351908622.74000000 2.189626190408 Long EC CORP US N 1 N N N Copart, Inc. 549300KVYX3JWMYEHU61 Copart, Inc. 217204106 3616208.00000000 NS USD 229231425.12000000 1.426310978683 Long EC CORP US N 1 N N N Cameco Corp. N4BHALMXL3GMZKCUON55 Cameco Corp. 13321L108 1457940.00000000 NS USD 86674533.00000000 0.539301441438 Long EC CORP CA N 1 N N N Synopsys, Inc. QG7T915N9S0NY5UKNE63 Synopsys, Inc. 871607107 221173.00000000 NS USD 123522908.77000000 0.768577348438 Long EC CORP US N 1 N N N O'Reilly Automotive, Inc. 549300K2RLMQL149Q332 O'Reilly Automotive, Inc. 67103H107 127127.00000000 NS USD 158046828.94000000 0.983390157546 Long EC CORP US N 1 N N N Q2 Holdings, Inc. 549300M9RKR9DZXWS696 Q2 Holdings, Inc. 74736L109 708385.00000000 NS USD 74196244.90000000 0.461659733706 Long EC CORP US N 1 N N N Constellation Software, Inc. 549300B6PYHMCTDWQV29 Constellation Software, Inc. 21037X100 85734.00000000 NS 287673837.25000000 1.789948093438 Long EC CORP CA N 1 N N N Hyatt Hotels Corp. T27JQIMTYSH41TCD5186 Hyatt Hotels Corp., Class A 448579102 1391104.00000000 NS USD 219710965.76000000 1.367073307844 Long EC CORP US N 1 N N N Carlyle Group, Inc. (The) 529900NGGVF94UK6PG95 Carlyle Group, Inc. (The) 14316J108 2819316.00000000 NS USD 150072190.68000000 0.933770808474 Long EC CORP US N 1 N N N Burlington Stores, Inc. 5299003Z37DVGKKC1W09 Burlington Stores, Inc. 122017106 684887.00000000 NS USD 193055947.56000000 1.201221941367 Long EC CORP US N 1 N N N Block, Inc. 549300OHIIUWSTIZME52 Block, Inc. 852234103 2534977.00000000 NS USD 224472213.35000000 1.396698476846 Long EC CORP US N 1 N N N Monolithic Power Systems, Inc. 529900TB7O85LSZ1XU31 Monolithic Power Systems, Inc. 609839105 304441.00000000 NS USD 172812889.24000000 1.075266713767 Long EC CORP US N 1 N N N Melrose Industries plc 213800RGNXXZY2M7TR85 Melrose Industries plc N/A 3649628.00000000 NS 26674958.80000000 0.165975439765 Long EC CORP GB N 1 N N N 2024-12-30 MFS Series Trust IV James Byrne James Byrne Assistant Treasurer XXXX