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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 2022-12-31, filed 2023-02-13, with 226 holding rows worth $12,964,837,362.

Accession
0001085146-23-001109
Filed
2023-02-13
Accepted by EDGAR
acceptance time not in the bulk data set
Ingested
Source
SEC quarterly data set

Original filing

13F report for Q4 2022

A holdings report, 226 entries on the cover page, a total value of $12,964,837,362 stated on the cover page (in dollars after the unit check, H1), rows summing to $12,964,837,362 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
Apple Inc037833100COM3,332,669$433,013,683dollars as filed
ASCENDIS PHARMA A/S DKK 1.0 AD04351P101SPONSORED ADR3,158,168$385,707,058dollars as filed
Microsoft Corp594918104COM1,528,263$366,508,033dollars as filed
Alphabet Inc. Reg. Shares A02079K305COM3,195,675$281,954,405dollars as filed
ICON PUB LTD CO SHSG4705A100Stock1,391,209$270,242,348dollars as filed
TRANSDIGM GROUP INC COM893641100Stock379,165$238,741,242dollars as filed
Visa Inc92826C839COM1,096,679$227,846,029dollars as filed
UnitedHealth Group Inc91324P102COM375,791$199,236,872dollars as filed
WESCO INTL INC COM95082P105Stock1,391,804$174,253,861dollars as filed
DEXCOM INC COM252131107Stock1,518,447$171,948,938dollars as filed
Home Depot, Inc437076102COM533,908$168,640,181dollars as filed
AMETEK INC COM031100100Stock1,184,714$165,528,240dollars as filed
Amazon.com, Inc023135106COM1,959,158$164,569,272dollars as filed
BIO RAD LABS INC090572207CL A389,504$163,782,537dollars as filed
FORTINET INC COM34959E109Stock2,958,232$144,627,962dollars as filed
IDEX CORP COM45167R104Stock595,280$135,920,282dollars as filed
ServiceNow,Inc.81762P102COM327,932$127,326,158dollars as filed
TAPESTRY INC COM876030107Stock3,320,887$126,459,377dollars as filed
LPL FINL HLDGS INC COM50212V100Stock582,784$125,980,417dollars as filed
LULULEMON ATHLETICA INC550021109COM377,448$120,926,790dollars as filed
Eli Lilly and Company532457108COM328,124$120,040,884dollars as filed
HUBSPOTINC443573100STOK412,955$119,397,679dollars as filed
SAIA INC78709Y105COM566,290$118,739,687dollars as filed
DEVON ENERGY CORP NEW COM25179M103Stock1,918,372$117,999,062dollars as filed
SUN CMNTYS INC COM866674104REIT808,370$115,596,910dollars as filed
MONGODB INC CL A60937P106Stock585,886$115,325,800dollars as filed
ENCORE WIRE CORP292562105COM828,181$113,924,578dollars as filed
MARVELL TECHNOLOGY INC573874104COM2,949,930$109,265,407dollars as filed
TELEDYNE TECHNOLOGIES INC COM879360105Stock270,778$108,286,830dollars as filed
WILLSCOT HLDGS CORP971378104COM CL A2,394,212$108,146,556dollars as filed
Progressive Corporation743315103COM823,702$106,842,386dollars as filed
Thermo Fisher Scientific Inc.883556102COM189,430$104,317,207dollars as filed
CHIPOTLEMEXICANGRILLI169656105STOK74,855$103,860,564dollars as filed
Union Pacific Corporation907818108COM499,604$103,453,000dollars as filed
Costco Wholesale Corporation22160K105COM222,001$101,343,457dollars as filed
MGM RESORTS INTERNATIONAL552953101COM2,938,893$98,541,082dollars as filed
ADVANCED DRAIN SYS INC DEL COM00790R104Stock1,193,584$97,838,080dollars as filed
SAREPTA THERAPEUTICS INC803607100COM751,696$97,404,768dollars as filed
GENPACT LIMITED SHSG3922B107Stock2,070,838$95,921,216dollars as filed
ATLASSIANCORPCLASSA049468101STOK721,555$92,849,697dollars as filed
GALLAGHER ARTHUR J & CO COM363576109Stock491,821$92,727,931dollars as filed
HILTON WORLDWIDE HLDGS INC COM43300A203Stock726,473$91,797,128dollars as filed
NATIONAL VISION HLDGS INC COM63845R107Stock2,350,400$91,101,504dollars as filed
AVANTOR INC COM05352A100Stock4,317,453$91,055,084dollars as filed
ATKORE INC047649108COMMON STOCK799,089$90,632,674dollars as filed
IDEXX LABS INC COM45168D104Stock221,192$90,237,488dollars as filed
DIAMONDBACK ENERGY INC COM25278X109Stock659,317$90,181,379dollars as filed
ALKERMES PLCG01767105SHS3,385,470$88,462,331dollars as filed
INSPIRE MED SYS INC COM457730109Stock339,320$85,467,922dollars as filed
WORKDAY INC CL A98138H101Stock505,456$84,577,952dollars as filed
LINCOLN ELEC HLDGS INC533900106COM584,573$84,464,953dollars as filed
INSULET CORP COM45784P101Stock286,355$84,300,048dollars as filed
ROCKWELL AUTOMATION INC COM773903109Stock325,291$83,785,203dollars as filed
NICE LTD SPONSORED ADR653656108ADR422,969$81,336,939dollars as filed
ConocoPhillips20825C104COM688,275$81,216,450dollars as filed
GLOBAL PMTS INC37940X102COM805,153$79,967,796dollars as filed
LANTHEUS HLDGS INC516544103COM1,565,711$79,788,633dollars as filed
FIVE BELOW INC COM33829M101Stock449,876$79,569,568dollars as filed
MSCI INC COM55354G100Stock168,703$78,475,575dollars as filed
PALO ALTO NETWORKS INC697435105COM543,108$75,785,290dollars as filed
VULCAN MATLS CO COM929160109Stock431,048$75,480,815dollars as filed
Salesforce.com, Inc79466L302COM564,865$74,895,450dollars as filed
MICROCHIP TECHNOLOGY INC. COM595017104Stock1,027,742$72,198,876dollars as filed
DECKERS OUTDOOR CORP243537107COM179,054$71,471,195dollars as filed
CERIDIAN HCM HLDG INC15677J108COM1,102,587$70,730,956dollars as filed
SYNAPTICS INC COM87157D109Stock733,432$69,793,389dollars as filed
TENABLE HLDGS INC88025T102COM1,790,709$68,315,548dollars as filed
BRP INC COM SUN VTG05577W200Stock891,566$68,071,064dollars as filed
QUEST DIAGNOSTICS INC COM74834L100Stock424,974$66,482,933dollars as filed
TARGET CORP COM87612E106Stock437,967$65,274,602dollars as filed
Advanced Micro Devices,Inc.007903107COM999,660$64,747,978dollars as filed
SPIRIT RLTY CAP INC NEW NPV84860W300COM NEW1,614,485$64,466,386dollars as filed
AVERY DENNISON CORP COM053611109Stock355,942$64,425,502dollars as filed
VAIL RESORTS INC COM91879Q109Stock268,893$64,090,647dollars as filed
OVINTIV INC69047Q102COM1,251,884$63,483,038dollars as filed
RED ROCK RESORTS INC75700L108CL A1,584,920$63,412,649dollars as filed
THE COOPER COMPANIES216648402COM NEW186,706$61,738,073dollars as filed
F5 INC COM315616102Stock429,809$61,681,890dollars as filed
NIKE,Inc. Class B654106103COM526,836$61,645,080dollars as filed
ETSY INC29786A106COM514,552$61,633,039dollars as filed
ARES MANAGEMENT CORPORATION CL A COM STK03990B101Stock882,717$60,413,151dollars as filed
ESSEX PPTY TR INC COM297178105REIT284,867$60,369,015dollars as filed
BROOKFIELD CORP CL A LTD VT SH11271J107Stock1,905,849$59,958,010dollars as filed
Tesla Motors, Inc88160R101COM482,660$59,454,059dollars as filed
COSTAR GROUP INC COM22160N109Stock768,057$59,355,445dollars as filed
FMC CORP COM NEW302491303Stock466,390$58,205,472dollars as filed
CHEESECAKE FACTORY INC163072101COM1,826,799$57,927,796dollars as filed
ITT INC COM45073V108Stock711,106$57,670,697dollars as filed
ROCKET PHARMACEUTICALS INC77313F106COM2,905,555$56,861,711dollars as filed
COPART INC COM217204106Stock933,725$56,854,515dollars as filed
CATALENT INC USD 0.01148806102COM1,256,587$56,558,981dollars as filed
SMARTSHEET INC. (CLASS A)83200N103COM CL A1,431,179$56,331,205dollars as filed
NVIDIA Corp67066G104COM385,051$56,271,353dollars as filed
MARRIOTT INTL INC NEW CL A571903202Stock370,955$55,231,490dollars as filed
CELANESE CORP DEL COM150870103Stock539,723$55,181,280dollars as filed
NETAPP INC COM64110D104Stock918,149$55,144,029dollars as filed
CULLEN FROST BANKERS INC COM229899109Stock410,589$54,895,749dollars as filed
INNOVIVA INC45781M101COM4,106,136$54,406,302dollars as filed
OKTAINCCLASSA679295105STOK786,184$53,719,953dollars as filed
AMERICAN FINANCIAL GROUP INC COM025932104Stock379,895$52,151,986dollars as filed
Applied Materials,Inc.038222105COM535,273$52,124,885dollars as filed
LIVE NATION ENTERTAINMENT INC COM538034109Stock726,981$50,699,655dollars as filed
PAYPALHLDGSINC70450Y103STOK709,987$50,565,274dollars as filed
PAYLOCITY HLDG CORP COM70438V106Stock259,527$50,415,715dollars as filed
Bank of America Corp060505104COM1,498,651$49,635,321dollars as filed
CHURCHILL DOWNS INC171484108COM232,530$49,163,818dollars as filed
SHIFT4 PMTS INC CL A82452J109Stock863,031$48,269,324dollars as filed
ALLSTATE CORP COM020002101Stock354,422$48,059,623dollars as filed
WASTE CONNECTIONS INC COM94106B101Stock358,068$47,465,494dollars as filed
VISTEON CORP92839U206COM NEW361,039$47,234,732dollars as filed
APTIV PLCG6095L109SHS490,940$45,721,242dollars as filed
OPTION CARE HEALTH INC COM NEW68404L201Stock1,424,921$42,875,873dollars as filed
LAM RESEARCH CORP512807108COM101,196$42,532,679dollars as filed
MONOLITHIC PWR SYS INC COM609839105Stock119,526$42,265,589dollars as filed
S&P Global,Inc.78409V104COM125,172$41,925,110dollars as filed
TRANSUNION COM89400J107Stock730,729$41,468,871dollars as filed
PROCORE TECHNOLOGIES INC COM74275K108Stock872,497$41,164,408dollars as filed
MARKETAXESS HLDGS INC57060D108COM144,466$40,290,123dollars as filed
FIRST INTERSTATE BANCSYSTEM IN32055Y201COM CL A1,033,974$39,963,095dollars as filed
JUNIPER NETWORKS INC48203R104COM1,204,582$38,498,441dollars as filed
HEXCEL CORP NEW428291108COM649,174$38,203,890dollars as filed
FIRST REPUBLIC BANK/SAN FRANCI33616C100COM301,043$36,694,131dollars as filed
WINGSTOP INC COM974155103Stock260,212$35,810,375dollars as filed
APELLIS PHARMACEUTICALS INC03753U106COM689,477$35,652,856dollars as filed
FLYWIRE CORPORATION302492103COM VTG1,456,915$35,650,710dollars as filed
PROMETHEUS BIOSCIENCES INC74349U108COM318,174$34,999,140dollars as filed
RINGCENTRAL INC76680R206CL A974,224$34,487,530dollars as filed
KARUNA THERAPEUTICS INC48576A100COM174,946$34,376,889dollars as filed
REPLIGEN CORP COM759916109Stock200,870$34,009,300dollars as filed
INDEPENDENCE RLTY TR INC45378A106COM1,977,901$33,347,411dollars as filed
AMERICAN ASSETS TR INC COM024013104REIT1,248,082$33,074,173dollars as filed
PDC ENERGY INC69327R101COM513,090$32,570,953dollars as filed
NEUROCRINE BIOSCIENCES INC64125C109COM272,688$32,569,855dollars as filed
PAYA HOLDINGS INC70434P103COM CL A4,086,331$32,159,425dollars as filed
ENTEGRIS INC COM29362U104Stock490,106$32,146,053dollars as filed
FTI CONSULTING INC302941109COM201,413$31,984,384dollars as filed
CABLE ONE INC12685J105COM44,621$31,763,905dollars as filed
SAMSARA INC COM CL A79589L106Stock2,551,001$31,708,942dollars as filed
MAXLINEAR INC57776J100COM929,997$31,573,398dollars as filed
NORTHERN OIL & GAS INC COM665531307Stock1,005,339$30,984,548dollars as filed
ZSCALERINC98980G102STOK270,876$30,311,024dollars as filed
BILL HOLDINGS INC090043100COM276,997$30,181,593dollars as filed
ENDEAVOR GROUP HLDGS INC29260Y109CL A COM1,301,410$29,333,781dollars as filed
DYNATRACE INC COM NEW268150109Stock757,424$29,009,339dollars as filed
AMEDISYS INC023436108COM329,605$27,535,202dollars as filed
NEXTIER OILFIELD SOLUTIONS INC65290C105COMMON STOCK2,942,181$27,185,752dollars as filed
AZENTA INC114340102COM460,478$26,809,029dollars as filed
AXALTA COATING SYS LTD COMG0750C108Stock1,048,168$26,696,839dollars as filed
PRIMERICA INC74164M108COM180,934$25,660,060dollars as filed
HAEMONETICS CORP MASS COM405024100Stock323,558$25,447,837dollars as filed
SENSATA TECHNOLOGIES HLDG PLg8060n102SHS626,107$25,282,201dollars as filed
WNS HOLDINGS LTD92932M101SPON ADR314,502$25,157,015dollars as filed
LIGHTSPEED COMM INC NPV53229C107SUB VTG SHS1,653,888$23,650,598dollars as filed
Qualcomm Incorporated747525103COM203,980$22,425,561dollars as filed
Broadcom Inc.11135F101COM39,889$22,303,137dollars as filed
THE BALDWIN INSURANCE GRP IN05589G102COM CL A870,443$21,882,937dollars as filed
BLUEPRINT MEDICINES CORP09627Y109COM479,467$21,005,449dollars as filed
STEPSTONE GROUP INC85914M107COM CL A796,146$20,046,956dollars as filed
UMH PPTYS INC903002103COM1,239,075$19,949,108dollars as filed
KINSALECAPGROUPINC49714P108STOK72,306$18,909,465dollars as filed
SITIME CORP COM82982T106Stock183,838$18,681,618dollars as filed
Oracle Corporation68389X105COM220,165$17,996,287dollars as filed
AVIENT CORPORATION05368V106COM518,952$17,519,820dollars as filed
CASELLA WASTE SYS INC147448104CL A218,848$17,356,835dollars as filed
RANPAK HOLDINGS CORP75321W103COMMON STOCK2,653,295$15,309,512dollars as filed
COUPA SOFTWARE INCORPORATED22266L106COM178,819$14,157,100dollars as filed
PLANET FITNESS MASTER ISSUER L CL A72703H101Stock177,707$14,003,312dollars as filed
FATE THERAPEUTICS INC31189P102COM1,386,058$13,985,325dollars as filed
PALOMAR HLDGS INC COM69753M105Stock306,471$13,840,230dollars as filed
AAON INC000360206COM PAR $0.004177,613$13,377,811dollars as filed
AbbVie,Inc.00287Y109COM82,729$13,369,834dollars as filed
ISHARESRUSSELL1000GROWTHETF464287614STOK48,252$10,337,508dollars as filed
ARCUTIS BIOTHERAPEUTICS INC03969K108COM680,374$10,069,535dollars as filed
International Business Machines Corporation459200101COM71,362$10,054,192dollars as filed
WEX INC96208T104COM56,061$9,174,383dollars as filed
AMERICAN INTL GROUP INC COM NEW026874784Stock134,007$8,474,603dollars as filed
Danaher Corporation235851102COM31,219$8,286,147dollars as filed
METTLER TOLEDO INTERNATIONAL COM592688105Stock5,623$8,127,765dollars as filed
PepsiCo,Inc.713448108COM42,025$7,592,237dollars as filed
BUNGE LTDG16962105COM75,404$7,523,057dollars as filed
Alphabet Inc. Reg. Shares C02079K107COM83,713$7,427,854dollars as filed
Cisco Systems,Inc.17275R102COM150,913$7,189,495dollars as filed
Gilead Sciences,Inc.375558103COM83,595$7,176,631dollars as filed
Coca-Cola Company191216100COM112,187$7,136,215dollars as filed
Merck & Co.,Inc.58933Y105COM59,213$6,569,682dollars as filed
TRANE TECHNOLOGIES PLC SHSG8994E103Stock38,805$6,522,732dollars as filed
FREEPORT MCMORAN INC CL B35671D857Stock137,188$5,213,144dollars as filed
CUMMINS INC COM231021106Stock20,486$4,963,553dollars as filed
NEXSTAR MEDIA GROUP INC COMMON STOCK65336K103Stock28,300$4,953,349dollars as filed
EQUITY LIFESTYLE PROPERTIES COM29472R108REIT75,623$4,885,246dollars as filed
GARTNERINC366651107STOK14,370$4,830,332dollars as filed
HERSHEY CO COM427866108Stock19,053$4,412,103dollars as filed
RAYMOND JAMES FINL INC COM754730109Stock40,095$4,284,151dollars as filed
COGENT COMMUNICATIONS GROUP19239V302COM NEW73,124$4,173,918dollars as filed
ILLINOIS TOOL WKS INC452308109COM15,982$3,520,835dollars as filed
TIMKEN CO887389104COM47,820$3,379,439dollars as filed
IRONWOOD PHARMACEUTICALS INC46333X108COMMON STOCK253,491$3,140,753dollars as filed
INNOVATIVE INDL PPTYS INC COM45781V101REIT28,701$2,908,846dollars as filed
FIRST CTZNS BANCSHARES INC DEL CL A31946M103Stock3,185$2,415,377dollars as filed
HEICO CORP NEW422806208CL A20,130$2,412,581dollars as filed
BRIGHT HORIZONS FAM SOL IN DEL COM109194100Stock37,450$2,363,095dollars as filed
SILICON MOTION TECHNOLOGY CORP SPONSORED ADR82706C108ADR23,670$1,538,313dollars as filed
ISHARES CORE S&P U.S. GROWTH ETF464287671ETF15,760$1,284,755dollars as filed
PACIRA BIOSCIENCES INC COM695127100Stock29,960$1,156,756dollars as filed
CSX Corporation126408103COM28,590$885,718dollars as filed
ISHARES TR464287648RUS 2000 GRW ETF3,648$782,569dollars as filed
WILLIAMS COS INC COM969457100Stock23,330$767,557dollars as filed
BLACK KNIGHT INC COM09215C105Stock11,550$713,213dollars as filed
SPDR SER TR78468R556S&P OILGAS EXP4,410$599,231dollars as filed
Intuit Inc.461202103COM1,410$548,800dollars as filed
EMCOR GROUP INC COM29084Q100Stock3,540$524,309dollars as filed
SPLUNK INC848637104COM6,048$520,672dollars as filed
SNOWFLAKE INC COM SHS833445109Stock3,602$517,031dollars as filed
FLUENCE ENERGY INC34379V103COM CL A29,528$506,405dollars as filed
TERRENO RLTY CORP88146M101COM8,840$502,731dollars as filed
AXONENTERPRISEINC05464C101STOK2,880$477,878dollars as filed
ISHARES RUSSELL MID-CAP GROWTH ETF464287481ETF5,581$466,572dollars as filed
BAKER HUGHES COMPANY CL A05722G100Stock14,920$440,588dollars as filed
CROCS INC COM227046109Stock3,350$363,241dollars as filed
OLD DOMINION FREIGHT LINE INC COM679580100Stock1,249$354,441dollars as filed
NANO DIMENSION LTD63008G203SPONSORD ADS NEW149,070$342,861dollars as filed
WORLD WRESTLING ENTMT INC98156Q108CL A4,720$323,414dollars as filed
NATIONAL STORAGE AFFILIATES TR COM SHS BEN IN637870106REIT7,860$283,903dollars as filed
ENPHASE ENERGY INC COM29355A107Stock1,030$272,909dollars as filed
BROOKFIELD ASSET MANAGMT LTD CL A LMT VTG SHS113004105Stock7,507$215,226dollars as filed
VENTAS INC COM92276F100REIT4,442$200,112dollars as filed

Amendment chain

FilingRoleFiledAcceptedIngested
13F-HR 0001085146-23-001109this filing2023-02-13acceptance time not in the bulk data set