MondegarAI
WESTFIELD CAPITAL MANAGEMENT CO LP

Q2 2024 · 13F-HR

WESTFIELD CAPITAL MANAGEMENT CO LPholdings as filed

Filed 2024-08-14 · accession 0001085146-24-003888

$20.35B
Reported value
248
Positions
2024-06-30
Period end
View analyzed profile →PRO

Holdings as filed

CUSIPTickerIssuerValue% port.SharesClassVoting
67066G104NVDANVIDIA CORPORATION$876.8M4.31%7,096,952CommonSOLE
594918104MSFTMICROSOFT CORP$825.4M4.06%1,846,637CommonSOLE
037833100AAPLAPPLE INC$802.9M3.94%3,812,231CommonSOLE
04351P101ASNDUSDASCENDIS PHARMA A/S$676.8M3.33%4,962,824CommonSOLE
023135106AMZNAMAZON COM INC$633.8M3.11%3,279,806CommonSOLE
02079K305GOOGLALPHABET INC$564.8M2.78%3,100,861CommonSOLE
893641100TDGTRANSDIGM GROUP INC$464.3M2.28%363,406CommonSOLE
30303M102METAMETA PLATFORMS INC$434.4M2.13%861,572CommonSOLE
92537N108VRTVERTIV HOLDINGS CO$309.1M1.52%3,570,870CommonSOLE
05464C101AXONAXON ENTERPRISE INC$308.2M1.51%1,047,559CommonSOLE
81762P102NOWSERVICENOW INC$281.8M1.38%358,202CommonSOLE
199908104FIXCOMFORT SYS USA INC$263.0M1.29%864,869CommonSOLE
92826C839VVISA INC$231.6M1.14%882,448CommonSOLE
252131107DXCMDEXCOM INC$222.8M1.09%1,965,318CommonSOLE
52490G102LEGNLEGEND BIOTECH CORP$211.4M1.04%4,772,209CommonSOLE
90353T100UBERUBER TECHNOLOGIES INC$205.5M1.01%2,827,566CommonSOLE
743315103PGRPROGRESSIVE CORP$189.9M0.93%914,475CommonSOLE
974155103WINGWINGSTOP INC$184.5M0.91%436,479CommonSOLE
874039100TSMTAIWAN SEMICONDUCTOR MFG LTD$184.2M0.91%1,060,028CommonSOLE
00287Y109ABBVABBVIE INC$172.4M0.85%1,005,058CommonSOLE
127387108CDNSCADENCE DESIGN SYSTEM INC$169.4M0.83%550,394CommonSOLE
G4705A100ICLRICON PLC$165.4M0.81%527,751CommonSOLE
50212V100LPLALPL FINL HLDGS INC$163.3M0.80%584,601CommonNONE
68404L201OPCHOPTION CARE HEALTH INC$163.2M0.80%5,892,563CommonSOLE
169656105CMGCHIPOTLE MEXICAN GRILL INC$160.3M0.79%2,558,292CommonSOLE
79466L302CRMSALESFORCE INC$157.8M0.78%613,741CommonSOLE
92243G108PCVXVAXCYTE INC$145.7M0.72%1,929,348CommonSOLE
574795100MASIMASIMO CORP$142.5M0.70%1,131,686CommonSOLE
M7S64H106MNDYMONDAY COM LTD$141.1M0.69%586,075CommonSOLE
026874784AIGAMERICAN INTL GROUP INC$135.7M0.67%1,827,946CommonSOLE
882681109TXRHTEXAS ROADHOUSE INC$135.5M0.67%789,392CommonSOLE
803054204SAPSAP SE$135.4M0.67%671,132CommonSOLE
03990B101ARESARES MANAGEMENT CORPORATION$132.3M0.65%992,416CommonSOLE
26142V105DKNGDRAFTKINGS INC NEW$132.1M0.65%3,461,599CommonSOLE
516544103LNTHLANTHEUS HLDGS INC$131.8M0.65%1,641,158CommonSOLE
55305B101MHOM/I HOMES INC$130.4M0.64%1,067,532CommonSOLE
78709Y105SAIASAIA INC$128.8M0.63%271,591CommonSOLE
22160N109CSGPCOSTAR GROUP INC$127.5M0.63%1,719,913CommonSOLE
303250104FICOFAIR ISAAC CORP$124.2M0.61%83,453CommonSOLE
22160K105COSTCOSTCO WHSL CORP NEW$123.6M0.61%145,392CommonSOLE
60937P106MDBMONGODB INC$122.2M0.60%488,722CommonSOLE
007903107AMDADVANCED MICRO DEVICES INC$121.0M0.59%746,157CommonSOLE
45784P101PODDINSULET CORP$119.4M0.59%591,484CommonSOLE
N6596X109NXPINXP SEMICONDUCTORS N V$119.3M0.59%443,517CommonSOLE
971378104WSCWILLSCOT MOBIL MINI HLDNG CO$119.1M0.59%3,164,403CommonSOLE
69370C100PTCPTC INC$115.9M0.57%638,228CommonSOLE
09581B103OWLBLUE OWL CAPITAL INC$114.4M0.56%6,443,066CommonSOLE
778296103ROSTROSS STORES INC$114.3M0.56%786,739CommonSOLE
443573100HUBSHUBSPOT INC$114.0M0.56%193,212CommonSOLE
79589L106IOTSAMSARA INC$113.5M0.56%3,367,979CommonSOLE
21036P108STZCONSTELLATION BRANDS INC$113.5M0.56%441,031CommonSOLE
55405Y100MTSIMACOM TECH SOLUTIONS HLDGS I$111.5M0.55%1,000,396CommonSOLE
437076102HDHOME DEPOT INC$106.9M0.53%310,668CommonSOLE
69608A108PLTRPALANTIR TECHNOLOGIES INC$106.9M0.53%4,220,141CommonSOLE
053611109AVYAVERY DENNISON CORP$106.8M0.52%488,344CommonSOLE
82452J109FOURSHIFT4 PMTS INC$105.8M0.52%1,442,281CommonSOLE
315616102FFIVF5 INC$105.0M0.52%609,615CommonSOLE
91324P102UNHUNITEDHEALTH GROUP INC$104.1M0.51%204,454CommonSOLE
L44385109GLOBGLOBANT S A$102.7M0.50%576,123CommonSOLE
907818108UNPUNION PAC CORP$96.7M0.47%427,272CommonSOLE
77313F106RCKTROCKET PHARMACEUTICALS INC$93.2M0.46%4,327,922CommonSOLE
268150109DTDYNATRACE INC$91.9M0.45%2,054,964CommonSOLE
G3730V105FTAIFTAI AVIATION LTD$91.6M0.45%887,014CommonSOLE
37940X102GPNGLOBAL PMTS INC$90.8M0.45%939,034CommonSOLE
147448104CWSTCASELLA WASTE SYS INC$90.4M0.44%910,818CommonSOLE
443510607HUBBHUBBELL INC$89.1M0.44%243,728CommonSOLE
88160R101TSLATESLA INC$86.7M0.43%437,997CommonSOLE
217204106CPRTCOPART INC$86.5M0.43%1,597,802CommonSOLE
Y2573F102FLEXFLEX LTD$86.5M0.42%2,932,165CommonSOLE
302492103FLYWFLYWIRE CORPORATION$85.6M0.42%5,220,396CommonSOLE
45073V108ITTITT INC$82.9M0.41%641,634CommonSOLE
G8060N102STSENSATA TECHNOLOGIES HLDG PL$81.9M0.40%2,191,327CommonSOLE
773903109ROKROCKWELL AUTOMATION INC$81.5M0.40%296,166CommonSOLE
808513105SCHWSCHWAB CHARLES CORP$80.0M0.39%1,086,071CommonSOLE
71424F105PRPERMIAN RESOURCES CORP$80.0M0.39%4,951,636CommonSOLE
19247G107COHRCOHERENT CORP$79.2M0.39%1,092,405CommonSOLE
45167R104IEXIDEX CORP$78.7M0.39%391,140CommonSOLE
758750103RRXREGAL REXNORD CORPORATION$78.4M0.39%579,872CommonSOLE
109194100BFAMBRIGHT HORIZONS FAM SOL IN D$75.5M0.37%685,448CommonSOLE
929160109VMCVULCAN MATLS CO$75.4M0.37%303,078CommonSOLE
03769M106APOAPOLLO GLOBAL MGMT INC$74.3M0.37%629,577CommonSOLE
45765U103NSITINSIGHT ENTERPRISES INC$74.3M0.36%374,339CommonSOLE
031100100AMEAMETEK INC$73.9M0.36%442,996CommonSOLE
12514G108CDWCDW CORP$73.8M0.36%329,713CommonSOLE
23804L103DDOGDATADOG INC$73.5M0.36%566,746CommonSOLE
445658107JBHTHUNT J B TRANS SVCS INC$73.1M0.36%456,823CommonSOLE
866674104SUISUN CMNTYS INC$72.7M0.36%604,452CommonSOLE
46116X101ITCIEURINTRA-CELLULAR THERAPIES INC$71.4M0.35%1,042,862CommonSOLE
69047Q102OVVOVINTIV INC$70.8M0.35%1,510,039CommonSOLE
665531307NOGNORTHERN OIL & GAS INC$69.8M0.34%1,878,499CommonSOLE
25278X109FANGDIAMONDBACK ENERGY INC$69.8M0.34%348,608CommonSOLE
17275R102CSCOCISCO SYS INC$69.1M0.34%1,453,819CommonSOLE
G0750C108AXTAAXALTA COATING SYS LTD$68.8M0.34%2,012,196CommonSOLE
36266G107GEHCGE HEALTHCARE TECHNOLOGIES I$68.4M0.34%877,859CommonSOLE
05478C105AZEKAZEK CO INC$68.3M0.34%1,622,142CommonSOLE
81730H109SSENTINELONE INC$67.4M0.33%3,201,739CommonSOLE
N07059210ASMLASML HOLDING N V$67.0M0.33%65,541CommonSOLE
64125C109NBIXNEUROCRINE BIOSCIENCES INC$66.7M0.33%484,777CommonSOLE
363576109AJGGALLAGHER ARTHUR J & CO$66.4M0.33%256,239CommonSOLE
090572207BIOBIO RAD LABS INC$66.4M0.33%243,185CommonSOLE
450056106IRTCIRHYTHM TECHNOLOGIES INC$65.6M0.32%609,080CommonSOLE
931142103WMTWALMART INC$64.0M0.31%944,537CommonSOLE
05368V106AVNTAVIENT CORPORATION$63.7M0.31%1,459,518CommonSOLE
876030107TPRTAPESTRY INC$63.3M0.31%1,479,523CommonSOLE
83200N103SMARGBPSMARTSHEET INC$62.6M0.31%1,421,010CommonSOLE
74164M108PRIPRIMERICA INC$62.6M0.31%264,741CommonSOLE
94106B101WCNWASTE CONNECTIONS INC$62.4M0.31%355,704CommonSOLE
55354G100MSCIMSCI INC$61.7M0.30%128,094CommonSOLE
59001A102MTHMERITAGE HOMES CORP$61.6M0.30%380,657CommonSOLE
405024100HAEHAEMONETICS CORP MASS$61.5M0.30%742,880CommonSOLE
H5919C104ONONON HLDG AG$61.3M0.30%1,580,135CommonSOLE
75700L108RRRRED ROCK RESORTS INC$60.2M0.30%1,096,066CommonSOLE
M7518J104ODDODDITY TECH LTD$59.2M0.29%1,506,752CommonSOLE
552953101MGMMGM RESORTS INTERNATIONAL$58.6M0.29%1,318,628CommonSOLE
11135F101AVGOBROADCOM INC$58.3M0.29%36,316CommonSOLE
05352A100AVTRAVANTOR INC$58.1M0.29%2,742,078CommonSOLE
216648501COOCOOPER COS INC$57.5M0.28%659,021CommonSOLE
98980G102ZSZSCALER INC$57.4M0.28%298,702CommonSOLE
43300A203HLTHILTON WORLDWIDE HLDGS INC$57.1M0.28%261,647CommonSOLE
78409V104SPGIS&P GLOBAL INC$55.7M0.27%124,779CommonSOLE
G98196101W9N0WNS HLDGS LTD$55.3M0.27%1,052,726CommonSOLE
150870103CECELANESE CORP DEL$55.1M0.27%408,627CommonSOLE
31946M103FCNCAFIRST CTZNS BANCSHARES INC N$54.9M0.27%32,614CommonSOLE
45168D104IDXXIDEXX LABS INC$54.9M0.27%112,602CommonSOLE
249906108DSGXDESCARTES SYS GROUP INC$54.7M0.27%564,958CommonSOLE
G6683N103NUNU HLDGS LTD$53.6M0.26%4,159,431CommonSOLE
171484108CHDNCHURCHILL DOWNS INC$53.3M0.26%381,807CommonSOLE
50155Q100KDKYNDRYL HLDGS INC$52.7M0.26%2,004,874CommonSOLE
989207105ZBRAZEBRA TECHNOLOGIES CORPORATI$52.5M0.26%170,010CommonSOLE
892672106TWTRADEWEB MKTS INC$52.1M0.26%491,158CommonSOLE
595017104MCHPMICROCHIP TECHNOLOGY INC.$50.3M0.25%549,700CommonSOLE
88339J105TTDTHE TRADE DESK INC$50.1M0.25%512,769CommonSOLE
G3323L100FNFABRINET$49.7M0.24%203,043CommonSOLE
74624M102PPURE STORAGE INC$49.4M0.24%769,070CommonSOLE
880770102TERTERADYNE INC$49.3M0.24%332,550CommonSOLE
61559X104MLTXMOONLAKE IMMUNOTHERAPEUTICS$49.1M0.24%1,117,625CommonSOLE
65290E101NXTNEXTRACKER INC$47.9M0.24%1,020,969CommonSOLE
23282W605CYTKCYTOKINETICS INC$47.3M0.23%873,513CommonSOLE
016255101ALGNALIGN TECHNOLOGY INC$46.2M0.23%191,276CommonSOLE
74275K108PCORPROCORE TECHNOLOGIES INC$46.0M0.23%694,185CommonSOLE
12510Q100CCCCCC INTELLIGENT SOLUTIONS HL$45.8M0.23%4,123,614CommonSOLE
37637K108GTLBGITLAB INC$45.2M0.22%909,356CommonSOLE
19260Q107COINCOINBASE GLOBAL INC$45.2M0.22%203,302CommonSOLE
85254J102STAGSTAG INDL INC$44.3M0.22%1,227,968CommonSOLE
45781M101INVAINNOVIVA INC$43.9M0.22%2,679,237CommonSOLE
57142B104MQMARQETA INC$43.9M0.22%8,013,792CommonSOLE
533900106LECOLINCOLN ELEC HLDGS INC$43.4M0.21%229,973CommonSOLE
703481101PTENPATTERSON-UTI ENERGY INC$43.2M0.21%4,170,722CommonSOLE
453204109PIIMPINJ INC$43.1M0.21%274,850CommonSOLE
25179M103DVNDEVON ENERGY CORP NEW$42.5M0.21%896,305CommonSOLE
M7516K103NVMINOVA LTD$42.2M0.21%179,834CommonSOLE
96208T104WEXWEX INC$42.0M0.21%237,309CommonSOLE
92686J106VKTXVIKING THERAPEUTICS INC$41.7M0.20%786,695CommonSOLE
77543R102ROKUROKU INC$40.7M0.20%679,175CommonSOLE
922417100VECOVEECO INSTRS INC DEL$40.0M0.20%856,308CommonSOLE
88025T102TENBTENABLE HLDGS INC$38.8M0.19%890,023CommonSOLE
70438V106PCTYPAYLOCITY HLDG CORP$38.3M0.19%290,652CommonSOLE
538034109LYVLIVE NATION ENTERTAINMENT IN$37.7M0.19%401,962CommonSOLE
01749D105ALGMALLEGRO MICROSYSTEMS INC$36.8M0.18%1,303,296CommonSOLE
15872M104APY1EURCHAMPIONX CORPORATION$36.0M0.18%1,083,743CommonSOLE
29404K106ENVUSDENVESTNET INC$35.3M0.17%564,517CommonSOLE
53229C107LSPDLIGHTSPEED COMMERCE INC$35.0M0.17%2,558,843CommonSOLE
91347P105OLEDUNIVERSAL DISPLAY CORP$34.8M0.17%165,483CommonSOLE
49714P108KNSLKINSALE CAP GROUP INC$34.8M0.17%90,246CommonSOLE
13321L108CCJCAMECO CORP$34.4M0.17%698,440CommonNONE
76156B107RVLVREVOLVE GROUP INC$33.2M0.16%2,089,213CommonSOLE
759916109RGENREPLIGEN CORP$32.2M0.16%255,762CommonSOLE
750917106RMBSRAMBUS INC DEL$32.1M0.16%545,740CommonSOLE
G01767105ALKSALKERMES PLC$31.7M0.16%1,316,605CommonSOLE
493267108KEYKEYCORP$31.7M0.16%2,228,399CommonSOLE
466313103JBLJABIL INC$31.2M0.15%286,612CommonSOLE
088786108BCYCBICYCLE THERAPEUTICS PLC$30.8M0.15%1,523,856CommonSOLE
29355A107ENPHENPHASE ENERGY INC$29.8M0.15%298,894CommonSOLE
816300107SIGISELECTIVE INS GROUP INC$29.0M0.14%309,497CommonSOLE
G25457105CRDOCREDO TECHNOLOGY GROUP HOLDI$29.0M0.14%908,362CommonSOLE
488401100KMPRKEMPER CORP$27.5M0.13%462,761CommonSOLE
27579R104EWBCEAST WEST BANCORP INC$27.3M0.13%372,126CommonSOLE
532457108LLYELI LILLY & CO$27.0M0.13%29,803CommonSOLE
69753M105PLMRPALOMAR HLDGS INC$25.7M0.13%316,856CommonSOLE
98420N105XENEXENON PHARMACEUTICALS INC$25.1M0.12%643,546CommonSOLE
15101Q207CLSCELESTICA INC$24.4M0.12%426,277CommonSOLE
92840M102VSTVISTRA CORP$23.8M0.12%277,289CommonSOLE
032654105ADIANALOG DEVICES INC$23.2M0.11%101,816CommonSOLE
15677J108DAYDAYFORCE INC$23.2M0.11%468,522CommonSOLE
G4740B105ICHRICHOR HOLDINGS$21.4M0.11%555,929CommonSOLE
97650W108WTFCWINTRUST FINL CORP$20.6M0.10%208,584CommonSOLE
282559103ETNBGBP89BIO INC$18.6M0.09%2,319,365CommonSOLE
459200101IBMINTERNATIONAL BUSINESS MACHS$16.9M0.08%97,992CommonSOLE
573874104MRVLMARVELL TECHNOLOGY INC$15.4M0.08%220,174CommonSOLE
02079K107GOOGALPHABET INC$12.7M0.06%68,992CommonSOLE
58933Y105MRKMERCK & CO INC$12.3M0.06%99,708CommonSOLE
191216100KOCOCA COLA CO$12.1M0.06%190,601CommonSOLE
172908105CTASCINTAS CORP$10.6M0.05%15,155CommonSOLE
942622200WSOWATSCO INC$10.4M0.05%22,397CommonSOLE
624756102MLIMUELLER INDS INC$10.2M0.05%179,500CommonSOLE
883556102TMOTHERMO FISHER SCIENTIFIC INC$10.0M0.05%18,114CommonSOLE
060505104BACBANK AMERICA CORP$9.7M0.05%243,900CommonSOLE
729132100PLXSPLEXUS CORP$8.9M0.04%86,639CommonSOLE
03076C106AMPAMERIPRISE FINL INC$8.8M0.04%20,606CommonSOLE
91913Y100VLOVALERO ENERGY CORP$8.3M0.04%53,195CommonSOLE
968223206WLYWILEY JOHN & SONS INC$8.1M0.04%198,286CommonSOLE
969457100WMBWILLIAMS COS INC$8.0M0.04%188,533CommonSOLE
892356106TSCOTRACTOR SUPPLY CO$7.9M0.04%29,077CommonSOLE
717081103PFEPFIZER INC$7.7M0.04%275,178CommonSOLE
872540109TJXTJX COS INC NEW$7.6M0.04%69,199CommonSOLE
65339F101NEENEXTERA ENERGY INC$7.6M0.04%106,850CommonSOLE
427866108HSYHERSHEY CO$7.5M0.04%40,657CommonSOLE
316773100FITBFIFTH THIRD BANCORP$7.3M0.04%198,967CommonSOLE
366651107ITGARTNER INC$6.5M0.03%14,370CommonSOLE
35671D857FCXFREEPORT-MCMORAN INC$6.4M0.03%132,698CommonSOLE
G3421J106FERG1GBXFERGUSON PLC NEW$6.0M0.03%30,824CommonSOLE
80105N105SNYSANOFI$5.7M0.03%117,904CommonSOLE
235851102DHRDANAHER CORPORATION$5.5M0.03%21,995CommonSOLE
20825C104COPCONOCOPHILLIPS$5.4M0.03%47,462CommonSOLE
231021106CMICUMMINS INC$5.3M0.03%19,098CommonSOLE
31620M106FISFIDELITY NATL INFORMATION SV$5.3M0.03%70,177CommonSOLE
754730109RJFRAYMOND JAMES FINL INC$5.0M0.02%40,095CommonSOLE
887389104TKRTIMKEN CO$3.8M0.02%47,820CommonSOLE
422806208HEI/AHEICO CORP NEW$3.6M0.02%20,130CommonSOLE
55306N104MKSIMKS INSTRS INC$3.1M0.02%24,100CommonSOLE
452308109ITWILLINOIS TOOL WKS INC$3.0M0.01%12,733CommonSOLE
75321W103PACKRANPAK HOLDINGS CORP$2.4M0.01%371,198CommonSOLE
G63365103MURAMURAL ONCOLOGY PUB LTD CO$2.3M0.01%743,495CommonSOLE
038222105AMATAPPLIED MATLS INC$2.3M0.01%9,748CommonSOLE
33829M101FIVEFIVE BELOW INC$2.0M0.01%18,330CommonSOLE
G8994E103TTTRANE TECHNOLOGIES PLC$1.2M0.01%3,559CommonSOLE
12008R107BLDRBUILDERS FIRSTSOURCE INC$1.1M0.01%7,920CommonSOLE
M20791105CAMTCAMTEK LTD$978,1240.00%7,810CommonSOLE
126408103CSXCSX CORP$956,3360.00%28,590CommonSOLE
461202103INTUINTUIT$926,6660.00%1,410CommonSOLE
000360206AAONAAON INC$840,1210.00%9,630CommonSOLE
09857L108BKNGBOOKING HOLDINGS INC$831,9150.00%210CommonSOLE
86800U104SMCIUSDSUPER MICRO COMPUTER INC$760,3570.00%928CommonSOLE
036752103ELVELEVANCE HEALTH INC$666,4880.00%1,230CommonSOLE
88146M101TRNOTERRENO RLTY CORP$523,1510.00%8,840CommonSOLE
58450V104MAXMEDIAALPHA INC$445,1460.00%33,800CommonSOLE
679580100ODFLOLD DOMINION FREIGHT LINE IN$441,1470.00%2,498CommonSOLE
594972408MSTRMICROSTRATEGY INC$366,4100.00%266CommonSOLE
76029L100RPAYREPAY HLDGS CORP$358,4060.00%33,940CommonSOLE
26856L103ELFE L F BEAUTY INC$347,6880.00%1,650CommonSOLE
852234103XYZBLOCK INC$347,6010.00%5,390CommonSOLE
589400100MCYMERCURY GENL CORP NEW$337,4390.00%6,350CommonSOLE
63008G203NNDMNANO DIMENSION LTD$327,9540.00%149,070CommonSOLE
637870106NSANATIONAL STORAGE AFFILIATES$323,9890.00%7,860CommonSOLE
464287481IWPISHARES TR$266,7980.00%2,418CommonSOLE
592688105MTDMETTLER TOLEDO INTERNATIONAL$258,5540.00%185CommonSOLE
92532F100VRTXVERTEX PHARMACEUTICALS INC$254,9840.00%544CommonSOLE
550021109LULULULULEMON ATHLETICA INC$210,8820.00%706CommonSOLE

Source: SEC EDGAR · raw 13F holdings as filed. The Class column shows the option type when reported (Put/Call) or Common when the issuer's equity is held directly. 13F discloses long positions only.