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13F-HR filed by WESTFIELD CAPITAL MANAGEMENT CO LP

WESTFIELD CAPITAL MANAGEMENT CO LP filed this 13F-HR for the quarter ended 2024-09-30, filed 2024-11-12, with 247 holding rows worth $22,133,837,079.

Accession
0001085146-24-005556
Filed
2024-11-12
Accepted by EDGAR
acceptance time not in the bulk data set
Ingested
Source
SEC quarterly data set

Original filing

13F report for Q3 2024

A holdings report, 247 entries on the cover page, a total value of $22,133,837,079 stated on the cover page (in dollars after the unit check, H1), rows summing to $22,133,837,079 with VALUE read as dollars as filed, 13F file number 028-10220. The quarter's positions are built on this report. The resolved quarter.

The information table after summing rows of one CUSIP and put or call (H4), with the CUSIP and issuer name as filed. Values in dollars after the unit check (method).

Issuer as filedCUSIPClassAmountValueValue read asType
NVIDIA Corp67066G104COM7,577,768$920,244,169dollars as filed
Apple Inc037833100COM3,737,306$870,792,185dollars as filed
Microsoft Corp594918104COM1,914,391$823,762,604dollars as filed
ASCENDIS PHARMA A/S DKK 1.0 AD04351P101SPONSORED ADR5,133,766$766,522,642dollars as filed
Amazon.com, Inc023135106COM3,459,936$644,689,804dollars as filed
TRANSDIGM GROUP INC COM893641100Stock372,061$530,980,007dollars as filed
META PLATFORMS INC CL A30303M102COM911,723$521,906,773dollars as filed
Alphabet Inc. Reg. Shares A02079K305COM3,138,314$520,489,381dollars as filed
AXONENTERPRISEINC05464C101STOK1,175,328$469,661,170dollars as filed
VERTIV HOLDINGS CO COM CL A92537N108Stock3,611,566$359,314,736dollars as filed
ServiceNow,Inc.81762P102COM341,878$305,771,962dollars as filed
COMFORT SYS USA INC COM199908104Stock708,180$276,438,063dollars as filed
Visa Inc92826C839COM896,716$246,552,049dollars as filed
LEGEND BIOTECH CORP52490G102SPONSORED ADS5,038,505$245,526,364dollars as filed
Netflix, Inc64110L106COM314,226$222,870,918dollars as filed
FTAI AVIATION LTD SHSG3730V105Stock1,660,031$220,618,120dollars as filed
Progressive Corporation743315103COM828,436$210,223,952dollars as filed
OPTION CARE HEALTH INC COM NEW68404L201Stock6,492,152$203,204,358dollars as filed
Broadcom Inc.11135F101COM1,176,949$203,023,767dollars as filed
VAXCYTE INC COM92243G108Stock1,739,874$198,815,402dollars as filed
DEXCOM INC COM252131107Stock2,842,057$190,531,502dollars as filed
M/I HOMES INC55305B101COM1,107,024$189,699,633dollars as filed
MASIMO CORP COM574795100Stock1,394,056$185,869,479dollars as filed
INSULET CORP COM45784P101Stock754,872$175,696,558dollars as filed
ICON PUB LTD CO SHSG4705A100Stock591,750$170,015,561dollars as filed
SAMSARA INC COM CL A79589L106Stock3,506,681$168,741,490dollars as filed
MONDAY COM LTD SHSM7S64H106Stock600,379$166,767,370dollars as filed
LANTHEUS HLDGS INC516544103COM1,518,465$166,651,534dollars as filed
LPL FINL HLDGS INC COM50212V100Stock710,867$165,369,082dollars as filed
REGAL REXNORD CORPORATION758750103COM979,521$162,482,888dollars as filed
TAIWAN SEMICONDUCTOR MFG874039100SPONSORED ADS934,256$162,252,319dollars as filed
CHIPOTLEMEXICANGRILLI169656105STOK2,703,951$155,801,653dollars as filed
ARES MANAGEMENT CORPORATION CL A COM STK03990B101Stock992,474$154,667,133dollars as filed
SAP SE SPON ADR803054204ADR653,928$149,814,863dollars as filed
DRAFTKINGS INC NEW26142V105COM CL A3,698,026$144,962,628dollars as filed
CADENCE DESIGN SYSTEM INC COM127387108Stock533,449$144,580,554dollars as filed
DYNATRACE INC COM NEW268150109Stock2,703,772$144,570,689dollars as filed
Union Pacific Corporation907818108COM569,862$140,459,706dollars as filed
Tesla Motors, Inc88160R101COM521,524$136,446,419dollars as filed
MACOM TECH SOLUTIONS HLDGS INC COM55405Y100Stock1,210,547$134,685,504dollars as filed
MONGODB INC CL A60937P106Stock496,248$134,160,532dollars as filed
SAIA INC78709Y105COM303,582$132,744,265dollars as filed
Costco Wholesale Corporation22160K105COM147,816$131,042,045dollars as filed
BLUE OWL CAPITAL INC COM CL A09581B103Stock6,736,287$130,414,516dollars as filed
SUN CMNTYS INC COM866674104REIT959,879$129,727,695dollars as filed
SHIFT4 PMTS INC CL A82452J109Stock1,455,085$128,920,531dollars as filed
AMERICAN INTL GROUP INC COM NEW026874784Stock1,743,999$127,713,048dollars as filed
Salesforce.com, Inc79466L302COM464,634$127,174,974dollars as filed
AbbVie,Inc.00287Y109COM633,750$125,152,936dollars as filed
ASMLHLDGNVFSPONSOREDADR1ADRREPS1ORDSHSN07059210STOK148,377$123,634,804dollars as filed
ROSS STORES INC COM778296103Stock787,100$118,466,418dollars as filed
PTC INC COM69370C100Stock650,151$117,456,221dollars as filed
FAIR ISAAC CORP COM303250104Stock60,088$116,782,144dollars as filed
SHARKNINJA INC COM SHSG8068L108Stock1,056,738$114,877,969dollars as filed
WINGSTOP INC COM974155103Stock275,725$114,723,658dollars as filed
ROKU INC COM CL A77543R102Stock1,535,576$114,646,104dollars as filed
TOLL BROTHERS INC COM889478103Stock722,130$111,561,864dollars as filed
UnitedHealth Group Inc91324P102COM188,130$109,996,107dollars as filed
AVERY DENNISON CORP COM053611109Stock497,849$109,905,145dollars as filed
Palantir Technologies Inc. Class A69608A108COM2,919,010$108,587,189dollars as filed
TARGET CORP COM87612E106Stock683,263$106,493,397dollars as filed
GE Vernova Inc.36828A101COM413,169$105,349,825dollars as filed
GLOBAL PMTS INC37940X102COM1,012,588$103,709,249dollars as filed
CHURCHILL DOWNS INC171484108COM763,561$103,241,083dollars as filed
COSTAR GROUP INC COM22160N109Stock1,365,508$103,013,920dollars as filed
MOOG INC CL A615394202Stock507,019$102,427,978dollars as filed
FLYWIRE CORPORATION302492103COM VTG6,226,912$102,059,088dollars as filed
Oracle Corporation68389X105COM588,842$100,338,651dollars as filed
ITT INC COM45073V108Stock669,519$100,099,786dollars as filed
F5 INC COM315616102Stock451,623$99,447,385dollars as filed
BRIGHT HORIZONS FAM SOL IN DEL COM109194100Stock707,383$99,125,580dollars as filed
MERITAGE HOMES CORP COM59001A102Stock483,159$99,081,416dollars as filed
WILLSCOT HLDGS CORP971378104COM CL A2,630,864$98,920,486dollars as filed
TEXAS ROADHOUSE INC COM882681109Stock557,467$98,448,672dollars as filed
FLEX LTD ORDY2573F102Stock2,917,179$97,521,279dollars as filed
CASELLA WASTE SYS INC147448104CL A950,484$94,563,653dollars as filed
HUBSPOTINC443573100STOK175,760$93,434,129dollars as filed
TRANSUNION COM89400J107Stock885,013$92,660,861dollars as filed
APOLLO GLOBAL MGMT INC COM03769M106Stock740,133$92,449,984dollars as filed
MSCI INC COM55354G100Stock153,943$89,738,058dollars as filed
INTRA-CELLULAR THERAPIES INC46116X101COMMON STOCK1,159,356$84,830,079dollars as filed
BIO RAD LABS INC090572207CL A252,769$84,571,452dollars as filed
NXP SEMICONDUCTORS N V COMN6596X109Stock347,864$83,490,833dollars as filed
ROCKET PHARMACEUTICALS INC77313F106COM4,493,833$83,001,096dollars as filed
CONSTELLATION BRANDS INC CL A21036P108Stock320,440$82,574,133dollars as filed
HUNT J B TRANS SVCS INC COM445658107Stock473,735$81,638,808dollars as filed
THETRADEDESKINCCLASSCLASSA88339J105STOK736,496$80,756,825dollars as filed
NU HLDGS LTDG6683N103ORD SHS CL A5,869,859$80,123,577dollars as filed
GLOBANT S AL44385109COM403,847$80,018,158dollars as filed
TAPESTRY INC COM876030107Stock1,699,067$79,822,168dollars as filed
SENTINELONE INC81730H109CL A3,310,299$79,182,352dollars as filed
AVIENT CORPORATION05368V106COM1,522,656$76,620,050dollars as filed
IDEX CORP COM45167R104Stock356,158$76,395,891dollars as filed
AXALTA COATING SYS LTD COMG0750C108Stock2,096,790$75,882,830dollars as filed
KYNDRYL HLDGS INC50155Q100COMMON STOCK3,259,082$74,893,704dollars as filed
AMETEK INC COM031100100Stock428,355$73,552,914dollars as filed
TRADEWEB MKTS INC CL A892672106Stock594,366$73,505,243dollars as filed
ABERCROMBIE & FITCH CO CL A002896207Stock522,147$73,048,365dollars as filed
INSIGHT ENTERPRISES INC45765U103COM338,325$72,871,822dollars as filed
HUBBELL INC COM443510607Stock169,852$72,756,104dollars as filed
PROCEPT BIOROBOTICS CORP COM74276L105Stock905,681$72,563,162dollars as filed
Bank of America Corp060505104COM1,823,667$72,363,118dollars as filed
VULCAN MATLS CO COM929160109Stock285,046$71,384,162dollars as filed
PERMIAN RESOURCES CORP CLASS A COM71424F105Stock5,119,622$69,678,055dollars as filed
KINSALECAPGROUPINC49714P108STOK149,217$69,470,959dollars as filed
DATADOGINCCLASSA23804L103STOK597,805$68,783,460dollars as filed
ZSCALERINC98980G102STOK399,516$68,293,315dollars as filed
PULTE GROUP INC COM745867101Stock463,215$66,485,203dollars as filed
HAEMONETICS CORP MASS COM405024100Stock823,663$66,206,032dollars as filed
S&P Global,Inc.78409V104COM128,062$66,159,254dollars as filed
STAG INDUSTRIAL INC85254J102COM1,670,586$65,303,207dollars as filed
GALLAGHER ARTHUR J & CO COM363576109Stock229,225$64,497,129dollars as filed
CYTOKINETICS INC23282W605COM NEW1,212,886$64,040,381dollars as filed
WASTE CONNECTIONS INC COM94106B101Stock354,606$63,410,628dollars as filed
AVANTOR INC COM05352A100Stock2,439,577$63,111,857dollars as filed
GE HEALTHCARE TECHNOLOGIES INC COMMON STOCK36266G107Stock670,739$62,948,876dollars as filed
SENSATA TECHNOLOGIES HLDG PLg8060n102SHS1,732,186$62,116,190dollars as filed
RED ROCK RESORTS INC75700L108CL A1,134,509$61,762,670dollars as filed
ROCKWELL AUTOMATION INC COM773903109Stock229,059$61,493,084dollars as filed
DESCARTES SYS GROUP INC COM249906108Stock585,163$60,248,382dollars as filed
COOPER COS INC216648501COM545,844$60,228,421dollars as filed
HILTON WORLDWIDE HLDGS INC COM43300A203Stock261,291$60,227,493dollars as filed
PROCORE TECHNOLOGIES INC COM74275K108Stock966,215$59,634,790dollars as filed
VIKING THERAPEUTICS INC92686J106COM930,370$58,901,725dollars as filed
MOONLAKE IMMUNOTHERAPEUTICS CLASS A ORD61559X104Stock1,167,358$58,858,190dollars as filed
COINBASE GLOBAL INC COM CL A19260Q107Stock328,270$58,487,802dollars as filed
ATLASSIANCORPCLASSA049468101STOK359,857$57,148,917dollars as filed
Advanced Micro Devices,Inc.007903107COM345,136$56,629,991dollars as filed
CELANESE CORP DEL COM150870103Stock409,522$55,678,565dollars as filed
LIGHTSPEED COMM INC NPV53229C107SUB VTG SHS3,325,531$54,838,006dollars as filed
COPART INC COM217204106Stock1,043,377$54,672,979dollars as filed
DIAMONDBACK ENERGY INC COM25278X109Stock302,444$52,141,345dollars as filed
ASTERA LABS INC COM04626A103COM993,482$52,048,522dollars as filed
PRIMERICA INC74164M108COM194,009$51,441,486dollars as filed
KEMPER CORP COM488401100Stock838,085$51,332,706dollars as filed
NORTHERN OIL & GAS INC COM665531307Stock1,423,534$50,407,339dollars as filed
EVERPURE INC CL A74624M102Stock995,019$49,989,747dollars as filed
TECHNIPFMC PLC COMG87110105Stock1,878,487$49,272,714dollars as filed
BOOZ ALLEN HAMILTON HLDG CORP CL A099502106Stock297,057$48,349,049dollars as filed
CCC INTELLIGENT SOLUTIONS HLD COM12510Q100Stock4,299,865$47,513,508dollars as filed
ALLEGRO MICROSYSTEMS INC01749D105COM2,014,481$46,937,407dollars as filed
LINCOLN ELEC HLDGS INC533900106COM237,935$45,688,279dollars as filed
TERADYNE INC COM880770102Stock334,678$44,823,413dollars as filed
EAST WEST BANCORP INC COM27579R104Stock520,656$43,079,077dollars as filed
BICYCLE THERAPEUTICS PLC-ADR088786108SPONSORED ADS1,850,945$41,886,885dollars as filed
MARQETA INC57142B104CLASS A COM8,333,453$41,000,589dollars as filed
Micron Technology,Inc.595112103COM394,380$40,901,150dollars as filed
NEXTPOWER INC CLASS A COM65290E101Stock1,065,121$39,920,735dollars as filed
FLUOR CORP343412102COM823,490$39,288,708dollars as filed
IRHYTHM HOLDINGS INC COM450056106Stock528,291$39,220,324dollars as filed
VEECO INSTRS INC DEL COM922417100Stock1,175,759$38,952,896dollars as filed
CROWDSTRIKE HLDGS INC22788C105COM138,476$38,838,392dollars as filed
VISTRA CORP COM92840M102Stock327,122$38,777,039dollars as filed
INNOVIVA INC45781M101COM1,994,589$38,515,514dollars as filed
WESTERN ALLIANCE BANCORP COM957638109Stock443,825$38,386,424dollars as filed
LATTICE SEMICONDUCTOR CORP COM518415104Stock719,694$38,194,161dollars as filed
RAMBUS INC DEL COM750917106Stock902,236$38,092,404dollars as filed
PALOMAR HLDGS INC COM69753M105Stock394,408$37,338,605dollars as filed
ELFBEAUTYINC26856L103STOK334,743$36,497,029dollars as filed
THE BALDWIN INSURANCE GRP IN05589G102COM CL A718,464$35,779,507dollars as filed
FABRINET SHSG3323L100Stock151,139$35,735,305dollars as filed
CIENA CORP COM NEW171779309Stock574,814$35,402,794dollars as filed
CHAMPIONX CORPORATION15872M104COM1,133,863$34,185,969dollars as filed
ENPHASE ENERGY INC COM29355A107Stock298,284$33,712,079dollars as filed
APPLIED INDL TECHNOLOGIES INC COM03820C105Stock144,457$32,232,690dollars as filed
KEYCORP COM493267108Stock1,895,726$31,753,411dollars as filed
REVOLVE GROUP INC CL A76156B107Stock1,250,972$30,999,086dollars as filed
WEX INC96208T104COM145,094$30,430,565dollars as filed
MERUS N VN5749R100COM608,457$30,398,512dollars as filed
CERIDIAN HCM HLDG INC15677J108COM467,798$28,652,643dollars as filed
OSCAR HEALTH INC687793109CL A1,294,280$27,451,679dollars as filed
CELESTICA INC COM15101Q207Stock536,249$27,413,049dollars as filed
EXPRO GROUP HOLDINGS NVN3144W105COMMON STOCK1,542,292$26,481,154dollars as filed
XENON PHARMACEUTICALS INC COM98420N105Stock669,600$26,362,152dollars as filed
WINTRUST FINL CORP COM97650W108Stock237,311$25,755,363dollars as filed
SOLENO THERAPEUTICS INC834203309COM495,708$25,028,297dollars as filed
M & T BK CORP COM55261F104Stock138,894$24,739,817dollars as filed
Eli Lilly and Company532457108COM26,351$23,345,405dollars as filed
89BIO INC282559103COM3,006,038$22,244,681dollars as filed
ONESTREAM INC68278B107CL A606,656$20,565,638dollars as filed
APPLIED OPTOELECTRONICS INC03823U102COM1,329,093$19,019,321dollars as filed
ENSIGN GROUP INC29358P101COM131,021$18,843,440dollars as filed
ICHOR HOLDINGSG4740B105SHS580,818$18,475,821dollars as filed
INSMED INC COM PAR $.01457669307Stock251,739$18,376,947dollars as filed
WNS HLDGS LTD COM SHSG98196101Stock279,379$14,726,067dollars as filed
Coca-Cola Company191216100COM193,948$13,937,103dollars as filed
MUELLER INDS INC COM624756102Stock182,648$13,534,217dollars as filed
Merck & Co.,Inc.58933Y105COM117,166$13,305,371dollars as filed
CINTAS CORP COM172908105Stock61,658$12,694,149dollars as filed
Alphabet Inc. Reg. Shares C02079K107COM70,572$11,798,933dollars as filed
International Business Machines Corporation459200101COM52,693$11,649,368dollars as filed
CDW CORP COM12514G108Stock50,239$11,369,136dollars as filed
MICROCHIP TECHNOLOGY INC. COM595017104Stock140,756$11,301,299dollars as filed
WATSCO INC COM942622200Stock22,787$11,208,470dollars as filed
Thermo Fisher Scientific Inc.883556102COM16,972$10,498,370dollars as filed
AMERIPRISE FINL INC COM03076C106Stock20,968$9,850,976dollars as filed
WILEY JOHN & SONS INC968223206CL A201,767$9,735,258dollars as filed
Pfizer Inc.717081103COM335,556$9,710,991dollars as filed
FIRST CTZNS BANCSHARES INC DEL CL A31946M103Stock5,016$9,233,620dollars as filed
NextEra Energy,Inc.65339F101COM109,154$9,226,788dollars as filed
WILLIAMS COS INC COM969457100Stock191,787$8,755,077dollars as filed
TRACTOR SUPPLY CO COM892356106Stock29,583$8,606,582dollars as filed
TJX Companies Inc872540109COM70,408$8,275,756dollars as filed
HERSHEY CO COM427866108Stock41,366$7,933,171dollars as filed
CREDO TECHNOLOGY GROUP HOLDING ORDINARY SHARESG25457105Stock254,319$7,833,025dollars as filed
CUMMINS INC COM231021106Stock23,520$7,615,541dollars as filed
VALERO ENERGY CORP COM91913Y100Stock54,175$7,315,250dollars as filed
GARTNERINC366651107STOK14,370$7,282,141dollars as filed
SANOFI SA SPONSORED ADR80105N105ADR109,867$6,331,635dollars as filed
FERGUSON ENTERPRISES INC COMMON STOCK NEW31488V107Stock31,358$6,226,758dollars as filed
FIDELITY NATL INFORMATION SVCS COM31620M106Stock71,404$5,980,085dollars as filed
Danaher Corporation235851102COM21,409$5,952,130dollars as filed
DICKS SPORTING GOODS INC COM253393102Stock26,653$5,562,481dollars as filed
ROLLINS INC COM775711104Stock100,877$5,102,359dollars as filed
RAYMOND JAMES FINL INC COM754730109Stock40,095$4,910,034dollars as filed
HEICO CORP NEW422806208CL A20,130$4,101,689dollars as filed
PAYLOCITY HLDG CORP COM70438V106Stock18,840$3,108,035dollars as filed
Home Depot, Inc437076102COM7,648$3,098,970dollars as filed
ILLINOIS TOOL WKS INC452308109COM11,268$2,953,005dollars as filed
NOVA LTD COMM7516K103Stock12,943$2,696,545dollars as filed
MKS INC. COM55306N104Stock24,100$2,619,911dollars as filed
RANPAK HOLDINGS CORP75321W103COMMON STOCK384,518$2,510,903dollars as filed
Applied Materials,Inc.038222105COM9,565$1,932,608dollars as filed
TRANE TECHNOLOGIES PLC SHSG8994E103Stock3,559$1,383,490dollars as filed
AAON INC000360206COM PAR $0.0049,630$1,038,499dollars as filed
CSX Corporation126408103COM28,590$987,213dollars as filed
Booking Holdings Inc.09857L108COM210$884,545dollars as filed
Intuit Inc.461202103COM1,410$875,610dollars as filed
Elevance Health, Inc.036752103COM1,551$806,520dollars as filed
PLEXUS CORP COM729132100Stock5,200$710,892dollars as filed
CVS Health Corporation126650100COM10,549$663,321dollars as filed
UNIVERSAL DISPLAY CORP91347P105COM3,020$633,898dollars as filed
CAMTEK LTD ORDM20791105Stock7,810$623,629dollars as filed
MEDIAALPHA INC58450V104CL A33,800$612,118dollars as filed
Vertex Pharmaceuticals Incorporated92532F100COM1,272$591,582dollars as filed
TERRENO RLTY CORP88146M101COM8,840$590,777dollars as filed
ARGENX SE SPONSORED ADR04016X101ADR1,053$570,810dollars as filed
ISHARESRUSSELL1000GROWTHETF464287614STOK1,161$435,672dollars as filed
MERCADOLIBREINC58733R102STOK209$428,860dollars as filed
MERCURY GENL CORP NEW589400100COM6,350$399,923dollars as filed
NATIONAL STORAGE AFFILIATES TR COM SHS BEN IN637870106REIT7,860$378,852dollars as filed
ILLUMINA INC452327109COM2,836$369,843dollars as filed
NANO DIMENSION LTD63008G203SPONSORD ADS NEW149,070$365,222dollars as filed
Boston Scientific Corporation101137107COM4,255$356,569dollars as filed
REPAY HLDGS CORP76029L100COM CL A43,510$355,042dollars as filed
GLAUKOS CORP COM377322102Stock2,537$330,520dollars as filed
ISHARES RUSSELL MID-CAP GROWTH ETF464287481ETF2,464$289,050dollars as filed

Amendment chain

FilingRoleFiledAcceptedIngested
13F-HR 0001085146-24-005556this filing2024-11-12acceptance time not in the bulk data set