MondegarAI
WESTFIELD CAPITAL MANAGEMENT CO LP

Q4 2024 · 13F-HR

WESTFIELD CAPITAL MANAGEMENT CO LPholdings as filed

Filed 2025-02-11 · accession 0001085146-25-000986

$22.97B
Reported value
239
Positions
2024-12-31
Period end
View analyzed profile →PRO

Holdings as filed

CUSIPTickerIssuerValue% port.SharesClassVoting
67066G104NVDANVIDIA CORPORATION$993.7M4.33%7,399,837CommonSOLE
037833100AAPLAPPLE INC$915.3M3.98%3,655,031CommonSOLE
594918104MSFTMICROSOFT CORP$789.4M3.44%1,872,811CommonSOLE
04351P101ASNDUSDASCENDIS PHARMA A/S$761.1M3.31%5,528,239CommonSOLE
023135106AMZNAMAZON COM INC$755.2M3.29%3,442,248CommonSOLE
02079K305GOOGLALPHABET INC$657.9M2.86%3,475,412CommonSOLE
30303M102METAMETA PLATFORMS INC$527.5M2.30%900,959CommonSOLE
893641100TDGTRANSDIGM GROUP INC$459.0M2.00%362,218CommonSOLE
05464C101AXONAXON ENTERPRISE INC$424.9M1.85%714,870CommonSOLE
92537N108VRTVERTIV HOLDINGS CO$422.6M1.84%3,720,010CommonSOLE
199908104FIXCOMFORT SYS USA INC$375.3M1.63%885,127CommonSOLE
G3730V105FTAIFTAI AVIATION LTD$358.5M1.56%2,488,704CommonSOLE
81762P102NOWSERVICENOW INC$334.0M1.45%315,043CommonSOLE
11135F101AVGOBROADCOM INC$314.1M1.37%1,354,977CommonSOLE
92826C839VVISA INC$284.3M1.24%899,652CommonSOLE
88160R101TSLATESLA INC$266.6M1.16%660,107CommonSOLE
876030107TPRTAPESTRY INC$235.5M1.03%3,604,918CommonSOLE
50212V100LPLALPL FINL HLDGS INC$230.5M1.00%705,919CommonSOLE
92243G108PCVXVAXCYTE INC$210.1M0.91%2,566,759CommonSOLE
36828A101GEVGE VERNOVA INC$201.2M0.88%611,800CommonSOLE
79466L302CRMSALESFORCE INC$199.6M0.87%597,103CommonSOLE
52490G102LEGNLEGEND BIOTECH CORP$185.9M0.81%5,713,696CommonSOLE
252131107DXCMDEXCOM INC$182.4M0.79%2,345,601CommonSOLE
743315103PGRPROGRESSIVE CORP$179.3M0.78%748,166CommonSOLE
64110L106NFLXNETFLIX INC$178.6M0.78%200,346CommonSOLE
758750103RRXREGAL REXNORD CORPORATION$176.7M0.77%1,138,781CommonSOLE
532457108LLYELI LILLY & CO$169.8M0.74%219,993CommonSOLE
03990B101ARESARES MANAGEMENT CORPORATION$168.8M0.74%953,770CommonSOLE
68404L201OPCHOPTION CARE HEALTH INC$168.6M0.73%7,265,228CommonSOLE
91324P102UNHUNITEDHEALTH GROUP INC$166.5M0.72%329,064CommonSOLE
M7S64H106MNDYMONDAY COM LTD$164.3M0.72%697,900CommonSOLE
169656105CMGCHIPOTLE MEXICAN GRILL INC$161.3M0.70%2,675,519CommonSOLE
45784P101PODDINSULET CORP$161.3M0.70%617,796CommonSOLE
82452J109FOURSHIFT4 PMTS INC$161.0M0.70%1,551,549CommonSOLE
147448104CWSTCASELLA WASTE SYS INC$160.9M0.70%1,520,303CommonSOLE
50155Q100KDKYNDRYL HLDGS INC$159.5M0.69%4,609,799CommonSOLE
874039100TSMTAIWAN SEMICONDUCTOR MFG LTD$158.7M0.69%803,686CommonSOLE
79589L106IOTSAMSARA INC$157.4M0.69%3,603,576CommonSOLE
26142V105DKNGDRAFTKINGS INC NEW$157.1M0.68%4,223,007CommonSOLE
049468101TEAMATLASSIAN CORPORATION$155.2M0.68%637,778CommonSOLE
78709Y105SAIASAIA INC$154.8M0.67%339,784CommonSOLE
268150109DTDYNATRACE INC$154.8M0.67%2,848,601CommonSOLE
69608A108PLTRPALANTIR TECHNOLOGIES INC$144.4M0.63%1,908,976CommonSOLE
516544103LNTHLANTHEUS HLDGS INC$139.1M0.61%1,555,093CommonSOLE
68389X105ORCLORACLE CORP$138.6M0.60%831,545CommonSOLE
22160K105COSTCOSTCO WHSL CORP NEW$136.1M0.59%148,514CommonSOLE
302492103FLYWFLYWIRE CORPORATION$134.4M0.58%6,516,044CommonSOLE
74275K108PCORPROCORE TECHNOLOGIES INC$131.4M0.57%1,753,156CommonSOLE
55405Y100MTSIMACOM TECH SOLUTIONS HLDGS I$128.7M0.56%990,679CommonSOLE
574795100MASIMASIMO CORP$127.1M0.55%768,858CommonSOLE
09581B103OWLBLUE OWL CAPITAL INC$126.8M0.55%5,452,474CommonSOLE
G4705A100ICLRICON PLC$126.5M0.55%602,999CommonSOLE
882681109TXRHTEXAS ROADHOUSE INC$125.1M0.54%693,144CommonSOLE
377322102GKOSGLAUKOS CORP$121.0M0.53%807,151CommonSOLE
G8068L108SNSHARKNINJA INC$120.6M0.52%1,238,705CommonSOLE
852234103XYZBLOCK INC$120.4M0.52%1,416,339CommonSOLE
171484108CHDNCHURCHILL DOWNS INC$119.4M0.52%894,209CommonSOLE
69370C100PTCPTC INC$116.7M0.51%634,650CommonSOLE
443573100HUBSHUBSPOT INC$115.4M0.50%165,637CommonSOLE
03831W108APPAPPLOVIN CORP$112.7M0.49%347,908CommonSOLE
Y2573F102FLEXFLEX LTD$111.4M0.48%2,900,838CommonSOLE
37940X102GPNGLOBAL PMTS INC$110.8M0.48%988,863CommonSOLE
126408103CSXCSX CORP$108.7M0.47%3,369,281CommonSOLE
74624M102PPURE STORAGE INC$106.5M0.46%1,733,666CommonSOLE
45073V108ITTITT INC$106.1M0.46%742,929CommonSOLE
46116X101ITCIEURINTRA-CELLULAR THERAPIES INC$101.8M0.44%1,218,728CommonSOLE
002896207ANFABERCROMBIE & FITCH CO$99.7M0.43%667,113CommonSOLE
89400J107TRUTRANSUNION$98.4M0.43%1,061,400CommonSOLE
363576109AJGGALLAGHER ARTHUR J & CO$98.3M0.43%346,232CommonSOLE
907818108UNPUNION PAC CORP$97.4M0.42%427,029CommonSOLE
060505104BACBANK AMERICA CORP$96.4M0.42%2,194,025CommonSOLE
87612E106TGTTARGET CORP$92.5M0.40%684,053CommonSOLE
971378104WSCWILLSCOT HLDGS CORP$92.1M0.40%2,754,583CommonSOLE
512807306LRCXLAM RESEARCH CORP$90.8M0.40%1,256,870CommonSOLE
G3323L100FNFABRINET$90.5M0.39%411,422CommonSOLE
55354G100MSCIMSCI INC$89.4M0.39%148,940CommonSOLE
090572207BIOBIO RAD LABS INC$86.9M0.38%264,605CommonSOLE
55305B101MHOM/I HOMES INC$85.7M0.37%644,854CommonSOLE
303250104FICOFAIR ISAAC CORP$84.9M0.37%42,644CommonSOLE
632307104NTRANATERA INC$84.8M0.37%535,794CommonSOLE
88339J105TTDTHE TRADE DESK INC$84.7M0.37%720,451CommonSOLE
77543R102ROKUROKU INC$83.2M0.36%1,119,183CommonSOLE
23804L103DDOGDATADOG INC$80.9M0.35%566,408CommonSOLE
G0750C108AXTAAXALTA COATING SYS LTD$80.4M0.35%2,349,318CommonSOLE
445658107JBHTHUNT J B TRANS SVCS INC$78.8M0.34%461,641CommonSOLE
109194100BFAMBRIGHT HORIZONS FAM SOL IN D$78.4M0.34%707,105CommonSOLE
90138F102TWLOTWILIO INC$78.0M0.34%721,627CommonSOLE
892672106TWTRADEWEB MKTS INC$75.5M0.33%576,568CommonSOLE
78409V104SPGIS&P GLOBAL INC$74.9M0.33%150,474CommonSOLE
031100100AMEAMETEK INC$74.2M0.32%411,359CommonSOLE
45167R104IEXIDEX CORP$74.1M0.32%354,256CommonSOLE
053611109AVYAVERY DENNISON CORP$73.9M0.32%395,054CommonSOLE
750917106RMBSRAMBUS INC DEL$73.5M0.32%1,389,538CommonSOLE
71424F105PRPERMIAN RESOURCES CORP$73.2M0.32%5,089,083CommonSOLE
81730H109SSENTINELONE INC$73.1M0.32%3,294,695CommonSOLE
488401100KMPRKEMPER CORP$72.7M0.32%1,094,894CommonSOLE
19260Q107COINCOINBASE GLOBAL INC$72.1M0.31%290,306CommonSOLE
929160109VMCVULCAN MATLS CO$72.1M0.31%280,200CommonSOLE
315616102FFIVF5 INC$72.0M0.31%286,165CommonSOLE
61559X104MLTXMOONLAKE IMMUNOTHERAPEUTICS$71.0M0.31%1,311,619CommonSOLE
05368V106AVNTAVIENT CORPORATION$69.9M0.30%1,711,752CommonSOLE
450056106IRTCIRHYTHM TECHNOLOGIES INC$69.0M0.30%765,253CommonSOLE
03769M106APOAPOLLO GLOBAL MGMT INC$68.2M0.30%412,887CommonSOLE
G6683N103NUNU HLDGS LTD$68.1M0.30%6,571,958CommonSOLE
249906108DSGXDESCARTES SYS GROUP INC$67.6M0.29%595,448CommonSOLE
109641100EATBRINKER INTL INC$65.2M0.28%492,816CommonSOLE
74164M108PRIPRIMERICA INC$65.2M0.28%240,130CommonSOLE
457669307INSMINSMED INC$64.8M0.28%938,551CommonSOLE
773122106ROCKET LAB USA INC$64.2M0.28%2,521,277CommonSOLE
974155103WINGWINGSTOP INC$64.0M0.28%225,366CommonSOLE
92840M102VSTVISTRA CORP$63.7M0.28%462,164CommonSOLE
773903109ROKROCKWELL AUTOMATION INC$63.3M0.28%221,350CommonSOLE
679295105OKTAOKTA INC$63.2M0.28%802,426CommonSOLE
405024100HAEHAEMONETICS CORP MASS$62.9M0.27%805,916CommonSOLE
75700L108RRRRED ROCK RESORTS INC$62.8M0.27%1,359,187CommonSOLE
69753M105PLMRPALOMAR HLDGS INC$62.7M0.27%593,460CommonSOLE
43300A203HLTHILTON WORLDWIDE HLDGS INC$62.6M0.27%253,181CommonSOLE
87422Q109TLNTALEN ENERGY CORP$62.0M0.27%307,497CommonSOLE
615394202MOG/AMOOG INC$61.9M0.27%314,439CommonSOLE
880770102TERTERADYNE INC$61.4M0.27%487,841CommonSOLE
23282W605CYTKCYTOKINETICS INC$60.2M0.26%1,279,990CommonSOLE
94106B101WCNWASTE CONNECTIONS INC$59.6M0.26%347,531CommonSOLE
665531307NOGNORTHERN OIL & GAS INC$59.5M0.26%1,600,431CommonSOLE
77313F106RCKTROCKET PHARMACEUTICALS INC$59.3M0.26%4,714,610CommonSOLE
216648501COOCOOPER COS INC$58.1M0.25%631,620CommonSOLE
49714P108KNSLKINSALE CAP GROUP INC$57.6M0.25%123,850CommonSOLE
217204106CPRTCOPART INC$57.3M0.25%998,815CommonSOLE
L44385109GLOBGLOBANT S A$56.9M0.25%265,507CommonSOLE
N6596X109NXPINXP SEMICONDUCTORS N V$56.9M0.25%273,836CommonSOLE
53229C107LSPDLIGHTSPEED COMMERCE INC$56.7M0.25%3,724,083CommonSOLE
26856L103ELFE L F BEAUTY INC$55.9M0.24%445,288CommonSOLE
343412102FLRFLUOR CORP NEW$55.4M0.24%1,123,948CommonSOLE
M98068105WIXWIX COM LTD$54.4M0.24%253,593CommonSOLE
G87110105FTITECHNIPFMC PLC$54.3M0.24%1,875,923CommonSOLE
M22465104CHKPCHECK POINT SOFTWARE TECH LT$51.3M0.22%274,901CommonSOLE
02043Q107ALNYALNYLAM PHARMACEUTICALS INC$50.9M0.22%216,126CommonSOLE
36266G107GEHCGE HEALTHCARE TECHNOLOGIES I$50.7M0.22%648,292CommonSOLE
889478103TOLTOLL BROTHERS INC$50.4M0.22%400,069CommonSOLE
01749D105ALGMALLEGRO MICROSYSTEMS INC$49.1M0.21%2,247,672CommonSOLE
25278X109FANGDIAMONDBACK ENERGY INC$48.5M0.21%295,886CommonSOLE
55261F104MTBM & T BK CORP$47.5M0.21%252,901CommonSOLE
683344105ONTOONTO INNOVATION INC$46.7M0.20%280,183CommonSOLE
22788C105CRWDCROWDSTRIKE HLDGS INC$45.4M0.20%132,808CommonSOLE
98420N105XENEXENON PHARMACEUTICALS INC$45.4M0.20%1,157,189CommonSOLE
892356106TSCOTRACTOR SUPPLY CO$45.0M0.20%848,342CommonSOLE
533900106LECOLINCOLN ELEC HLDGS INC$44.3M0.19%236,312CommonSOLE
65290E101NXTNEXTRACKER INC$44.2M0.19%1,209,614CommonSOLE
000360206AAONAAON INC$43.7M0.19%371,554CommonSOLE
78351F107RYANRYAN SPECIALTY HOLDINGS INC$42.9M0.19%668,584CommonSOLE
15677J108DAYDAYFORCE INC$42.8M0.19%589,564CommonSOLE
099502106BAHBOOZ ALLEN HAMILTON HLDG COR$42.4M0.18%329,071CommonSOLE
922417100VECOVEECO INSTRS INC DEL$42.4M0.18%1,580,245CommonSOLE
74276L105PRCTPROCEPT BIOROBOTICS CORP$42.1M0.18%522,663CommonSOLE
538034109LYVLIVE NATION ENTERTAINMENT IN$42.1M0.18%324,801CommonSOLE
N5749R1002GHMERUS N V$41.8M0.18%993,157CommonSOLE
493267108KEYKEYCORP$41.5M0.18%2,424,019CommonSOLE
97650W108WTFCWINTRUST FINL CORP$40.6M0.18%325,495CommonSOLE
834203309SLNOSOLENO THERAPEUTICS INC$39.6M0.17%881,460CommonSOLE
256163106DOCUDOCUSIGN INC$39.5M0.17%438,710CommonSOLE
518415104LSCCLATTICE SEMICONDUCTOR CORP$39.1M0.17%690,222CommonSOLE
03820C105AITAPPLIED INDL TECHNOLOGIES IN$39.0M0.17%162,829CommonSOLE
088786108BCYCBICYCLE THERAPEUTICS PLC$36.5M0.16%2,610,337CommonSOLE
76156B107RVLVREVOLVE GROUP INC$35.7M0.16%1,066,254CommonSOLE
15872M104APY1EURCHAMPIONX CORPORATION$34.6M0.15%1,273,972CommonSOLE
957638109WALWESTERN ALLIANCE BANCORP$33.6M0.15%402,145CommonSOLE
05589G102BWINTHE BALDWIN INSURANCE GRP IN$32.8M0.14%847,494CommonSOLE
282559103ETNBGBP89BIO INC$30.4M0.13%3,886,794CommonSOLE
68278B107K4FONESTREAM INC$30.2M0.13%1,057,824CommonSOLE
74164F103PRIMPRIMORIS SVCS CORP$27.0M0.12%353,015CommonSOLE
687793109OSCROSCAR HEALTH INC$26.9M0.12%1,998,770CommonSOLE
27579R104EWBCEAST WEST BANCORP INC$25.8M0.11%269,750CommonSOLE
G4740B105ICHRICHOR HOLDINGS$25.5M0.11%792,879CommonSOLE
30226D106EXTREXTREME NETWORKS$24.9M0.11%1,490,118CommonSOLE
29358P101ENSGENSIGN GROUP INC$19.6M0.09%147,602CommonSOLE
G3934V109GENIGENIUS SPORTS LIMITED$18.4M0.08%2,128,978CommonSOLE
78473E103SPXCSPX TECHNOLOGIES INC$18.3M0.08%126,036CommonSOLE
916896103UECURANIUM ENERGY CORP$17.5M0.08%2,621,644CommonSOLE
026874784AIGAMERICAN INTL GROUP INC$14.4M0.06%197,986CommonSOLE
624756102MLIMUELLER INDS INC$14.0M0.06%176,449CommonSOLE
02079K107GOOGALPHABET INC$12.1M0.05%63,353CommonSOLE
191216100KOCOCA COLA CO$11.7M0.05%187,360CommonSOLE
459200101IBMINTERNATIONAL BUSINESS MACHS$11.1M0.05%50,643CommonSOLE
464287648IWOISHARES TR$11.0M0.05%38,165CommonSOLE
172908105CTASCINTAS CORP$10.9M0.05%59,577CommonSOLE
03076C106AMPAMERIPRISE FINL INC$10.8M0.05%20,266CommonSOLE
58933Y105MRKMERCK & CO INC$10.5M0.05%105,933CommonSOLE
942622200WSOWATSCO INC$10.4M0.05%22,016CommonSOLE
00287Y109ABBVABBVIE INC$10.2M0.04%57,357CommonSOLE
969457100WMBWILLIAMS COS INC$10.0M0.04%185,382CommonSOLE
717081103PFEPFIZER INC$9.0M0.04%337,716CommonSOLE
85254J102STAGSTAG INDL INC$8.7M0.04%256,018CommonSOLE
968223206WLYWILEY JOHN & SONS INC$8.5M0.04%194,913CommonSOLE
595017104MCHPMICROCHIP TECHNOLOGY INC.$8.4M0.04%146,330CommonSOLE
872540109TJXTJX COS INC NEW$8.2M0.04%68,021CommonSOLE
231021106CMICUMMINS INC$7.9M0.03%22,747CommonSOLE
883556102TMOTHERMO FISHER SCIENTIFIC INC$7.7M0.03%14,869CommonSOLE
65339F101NEENEXTERA ENERGY INC$7.5M0.03%104,621CommonSOLE
253393102DKSDICKS SPORTING GOODS INC$7.2M0.03%31,541CommonSOLE
366651107ITGARTNER INC$7.0M0.03%14,370CommonSOLE
31946M103FCNCAFIRST CTZNS BANCSHARES INC N$6.7M0.03%3,186CommonSOLE
770323103RHIROBERT HALF INC.$6.7M0.03%94,709CommonSOLE
754730109RJFRAYMOND JAMES FINL INC$6.2M0.03%40,095CommonSOLE
21037T109CEGCONSTELLATION ENERGY CORP$5.7M0.03%25,701CommonSOLE
31620M106FISFIDELITY NATL INFORMATION SV$5.6M0.02%68,981CommonSOLE
22160N109CSGPCOSTAR GROUP INC$5.4M0.02%75,081CommonSOLE
80105N105SNYSANOFI$5.0M0.02%104,618CommonSOLE
775711104ROLROLLINS INC$4.5M0.02%97,370CommonSOLE
235851102DHRDANAHER CORPORATION$4.3M0.02%18,537CommonSOLE
70438V106PCTYPAYLOCITY HLDG CORP$3.8M0.02%18,840CommonSOLE
422806208HEI/AHEICO CORP NEW$3.7M0.02%20,130CommonSOLE
464287671IUSGISHARES TR$3.7M0.02%26,796CommonSOLE
464287614IWFISHARES TR$3.3M0.01%8,231CommonSOLE
437076102HDHOME DEPOT INC$2.8M0.01%7,134CommonSOLE
171779309CIENCIENA CORP$2.7M0.01%31,750CommonSOLE
75321W103PACKRANPAK HOLDINGS CORP$2.6M0.01%384,518CommonSOLE
452308109ITWILLINOIS TOOL WKS INC$2.6M0.01%10,345CommonSOLE
803054204SAPSAP SE$1.6M0.01%6,637CommonSOLE
46120E602ISRGINTUITIVE SURGICAL INC$1.3M0.01%2,549CommonSOLE
09857L108BKNGBOOKING HOLDINGS INC$1.0M0.00%210CommonSOLE
038222105AMATAPPLIED MATLS INC$981,6350.00%6,036CommonSOLE
461202103INTUINTUIT$886,1850.00%1,410CommonSOLE
729132100PLXSPLEXUS CORP$813,6960.00%5,200CommonSOLE
92532F100VRTXVERTEX PHARMACEUTICALS INC$701,5030.00%1,742CommonSOLE
G8994E103TTTRANE TECHNOLOGIES PLC$649,6870.00%1,759CommonSOLE
04016X101ARGXARGENX SE$644,5200.00%1,048CommonNONE
88146M101TRNOTERRENO RLTY CORP$522,7980.00%8,840CommonSOLE
58733R102MELIMERCADOLIBRE INC$499,9290.00%294CommonSOLE
03674X106ARANTERO RESOURCES CORP$495,2570.00%14,130CommonSOLE
46428Q109SLVISHARES SILVER TR$441,2910.00%16,760CommonSOLE
589400100MCYMERCURY GENL CORP NEW$422,1480.00%6,350CommonSOLE
101137107BSXBOSTON SCIENTIFIC CORP$382,2900.00%4,280CommonSOLE
58450V104MAXMEDIAALPHA INC$381,6020.00%33,800CommonSOLE
452327109ILMNILLUMINA INC$379,9100.00%2,843CommonSOLE
63008G203NNDMNANO DIMENSION LTD$369,6940.00%149,070CommonSOLE
78462F103SPYSPDR S&P 500 ETF TR$345,7870.00%590CommonSOLE
637870106NSANATIONAL STORAGE AFFILIATES$297,9730.00%7,860CommonSOLE
76155X100RVMDREVOLUTION MEDICINES INC$253,6480.00%5,799CommonSOLE
464287481IWPISHARES TR$210,4700.00%1,661CommonSOLE
47103J105JANXJANUX THERAPEUTICS INC$209,3410.00%3,910CommonNONE

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.