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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 2022-09-30, filed 2022-11-14, with 230 holding rows worth $12,592,376,000.

Accession
0001085146-22-003994
Filed
2022-11-14
Accepted by EDGAR
acceptance time not in the bulk data set
Ingested
Source
SEC quarterly data set

Original filing

13F report for Q3 2022

A holdings report, 230 entries on the cover page, a total value of $12,592,376,000 stated on the cover page (in dollars after the unit check, H1), rows summing to $12,592,376,000 with VALUE read as thousands by filing date, 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 Inc037833100COM3,477,760$480,627,000thousands by filing date
Microsoft Corp594918104COM1,388,583$323,401,000thousands by filing date
Alphabet Inc. Reg. Shares A02079K305COM3,206,687$306,720,000thousands by filing date
ASCENDIS PHARMA A/S DKK 1.0 AD04351P101SPONSORED ADR2,910,724$300,561,000thousands by filing date
ICON PUB LTD CO SHSG4705A100Stock1,400,192$257,328,000thousands by filing date
Amazon.com, Inc023135106COM1,984,605$224,260,000thousands by filing date
TRANSDIGM GROUP INC COM893641100Stock379,608$199,226,000thousands by filing date
Visa Inc92826C839COM1,033,900$183,672,000thousands by filing date
FORTINET INC COM34959E109Stock3,690,518$181,315,000thousands by filing date
ADVANCED DRAIN SYS INC DEL COM00790R104Stock1,421,443$176,785,000thousands by filing date
DEXCOM INC COM252131107Stock1,895,579$152,670,000thousands by filing date
WESCO INTL INC COM95082P105Stock1,264,173$150,917,000thousands by filing date
BIO RAD LABS INC090572207CL A361,115$150,636,000thousands by filing date
LPL FINL HLDGS INC COM50212V100Stock688,932$150,518,000thousands by filing date
Home Depot, Inc437076102COM500,632$138,144,000thousands by filing date
AMETEK INC COM031100100Stock1,181,533$133,998,000thousands by filing date
Tesla Motors, Inc88160R101COM493,426$130,881,000thousands by filing date
MICROCHIP TECHNOLOGY INC. COM595017104Stock1,969,583$120,204,000thousands by filing date
IDEX CORP COM45167R104Stock589,309$117,773,000thousands by filing date
ServiceNow,Inc.81762P102COM311,166$117,499,000thousands by filing date
Eli Lilly and Company532457108COM361,740$116,969,000thousands by filing date
DEVON ENERGY CORP NEW COM25179M103Stock1,932,694$116,213,000thousands by filing date
WILLSCOT HLDGS CORP971378104COM CL A2,719,108$109,662,000thousands by filing date
HUMANA INC COM444859102Stock219,542$106,520,000thousands by filing date
SAIA INC78709Y105COM559,708$106,345,000thousands by filing date
ENCORE WIRE CORP292562105COM915,596$105,788,000thousands by filing date
LULULEMON ATHLETICA INC550021109COM377,171$105,442,000thousands by filing date
NICE LTD SPONSORED ADR653656108ADR537,555$101,189,000thousands by filing date
CHIPOTLEMEXICANGRILLI169656105STOK67,108$100,848,000thousands by filing date
Thermo Fisher Scientific Inc.883556102COM195,980$99,399,000thousands by filing date
TAPESTRY INC COM876030107Stock3,470,848$98,676,000thousands by filing date
TELEDYNE TECHNOLOGIES INC COM879360105Stock290,820$98,143,000thousands by filing date
Costco Wholesale Corporation22160K105COM201,173$95,008,000thousands by filing date
AMERICAN FINANCIAL GROUP INC COM025932104Stock764,171$93,940,000thousands by filing date
ATKORE INC047649108COMMON STOCK1,186,093$92,290,000thousands by filing date
MGM RESORTS INTERNATIONAL552953101COM3,083,091$91,629,000thousands by filing date
Union Pacific Corporation907818108COM460,191$89,655,000thousands by filing date
LANTHEUS HLDGS INC516544103COM1,254,734$88,245,000thousands by filing date
Progressive Corporation743315103COM757,867$88,072,000thousands by filing date
NATIONAL VISION HLDGS INC COM63845R107Stock2,691,463$87,876,000thousands by filing date
PALO ALTO NETWORKS INC697435105COM535,401$87,694,000thousands by filing date
HILTON WORLDWIDE HLDGS INC COM43300A203Stock721,595$87,038,000thousands by filing date
GLOBAL PMTS INC37940X102COM798,581$86,287,000thousands by filing date
ZOOMINFO TECHNOLOGIES INC COMMON STOCK98980F104Stock2,065,817$86,062,000thousands by filing date
HUBSPOTINC443573100STOK317,342$85,721,000thousands by filing date
MONGODB INC CL A60937P106Stock424,054$84,200,000thousands by filing date
GALLAGHER ARTHUR J & CO COM363576109Stock484,513$82,958,000thousands by filing date
ATLASSIAN CORPG06242104CL A392,902$82,741,000thousands by filing date
Salesforce.com, Inc79466L302COM568,231$81,734,000thousands by filing date
DIAMONDBACK ENERGY INC COM25278X109Stock657,621$79,217,000thousands by filing date
VULCAN MATLS CO COM929160109Stock499,431$78,765,000thousands by filing date
BROOKFIELD ASSET MANAGEMENT IN112585104CL A LTD VT SH1,923,656$78,659,000thousands by filing date
AVANTOR INC COM05352A100Stock3,987,072$78,147,000thousands by filing date
WORKDAY INC CL A98138H101Stock511,266$77,825,000thousands by filing date
LINCOLN ELEC HLDGS INC533900106COM573,259$72,070,000thousands by filing date
ConocoPhillips20825C104COM696,101$71,239,000thousands by filing date
ZSCALERINC98980G102STOK391,345$70,583,000thousands by filing date
MSCI INC COM55354G100Stock166,708$70,315,000thousands by filing date
IDEXX LABS INC COM45168D104Stock213,484$69,553,000thousands by filing date
PAYLOCITY HLDG CORP COM70438V106Stock287,614$69,482,000thousands by filing date
ROCKWELL AUTOMATION INC COM773903109Stock320,760$68,999,000thousands by filing date
LIVE NATION ENTERTAINMENT INC COM538034109Stock904,017$68,741,000thousands by filing date
ESSEX PPTY TR INC COM297178105REIT280,867$68,034,000thousands by filing date
NVIDIA Corp67066G104COM555,661$67,451,000thousands by filing date
SAREPTA THERAPEUTICS INC803607100COM594,816$65,751,000thousands by filing date
META PLATFORMS INC CL A30303M102COM483,149$65,554,000thousands by filing date
TARGET CORP COM87612E106Stock438,606$65,085,000thousands by filing date
INSULET CORP COM45784P101Stock282,809$64,877,000thousands by filing date
CATALENT INC USD 0.01148806102COM888,732$64,309,000thousands by filing date
COPART INC COM217204106Stock597,358$63,559,000thousands by filing date
MKS INC. COM55306N104Stock768,447$63,504,000thousands by filing date
Morgan Stanley617446448COM783,459$61,901,000thousands by filing date
FIVE BELOW INC COM33829M101Stock448,838$61,792,000thousands by filing date
SENSATA TECHNOLOGIES HLDG PLg8060n102SHS1,645,285$61,336,000thousands by filing date
MARVELL TECHNOLOGY INC573874104COM1,406,199$60,340,000thousands by filing date
Applied Materials,Inc.038222105COM734,421$60,171,000thousands by filing date
GARTNERINC366651107STOK213,283$59,013,000thousands by filing date
CERIDIAN HCM HLDG INC15677J108COM1,047,624$58,541,000thousands by filing date
MAXLINEAR INC57776J100COM1,766,201$57,613,000thousands by filing date
OVINTIV INC69047Q102COM1,246,783$57,352,000thousands by filing date
CHEESECAKE FACTORY INC163072101COM1,911,869$55,980,000thousands by filing date
DECKERS OUTDOOR CORP243537107COM178,522$55,808,000thousands by filing date
Advanced Micro Devices,Inc.007903107COM872,136$55,259,000thousands by filing date
OPTION CARE HEALTH INC COM NEW68404L201Stock1,750,038$55,074,000thousands by filing date
FIRST REPUBLIC BANK/SAN FRANCI33616C100COM419,949$54,824,000thousands by filing date
INSPIRE MED SYS INC COM457730109Stock306,267$54,323,000thousands by filing date
NATIONAL HEALTH INVS INC COM63633D104REIT959,230$54,225,000thousands by filing date
RED ROCK RESORTS INC75700L108CL A1,578,876$54,092,000thousands by filing date
PAYPALHLDGSINC70450Y103STOK627,980$54,050,000thousands by filing date
BRP INC COM SUN VTG05577W200Stock875,927$53,922,000thousands by filing date
SUN CMNTYS INC COM866674104REIT394,583$53,399,000thousands by filing date
SPIRIT RLTY CAP INC NEW NPV84860W300COM NEW1,465,310$52,986,000thousands by filing date
BLUEPRINT MEDICINES CORP09627Y109COM803,643$52,952,000thousands by filing date
MARRIOTT INTL INC NEW CL A571903202Stock374,362$52,463,000thousands by filing date
SNOWFLAKE INC COM SHS833445109Stock254,978$52,314,000thousands by filing date
COSTAR GROUP INC COM22160N109Stock748,123$52,106,000thousands by filing date
QUEST DIAGNOSTICS INC COM74834L100Stock418,132$51,300,000thousands by filing date
ETSY INC29786A106COM506,964$50,763,000thousands by filing date
NETAPP INC COM64110D104Stock811,850$50,213,000thousands by filing date
ALKERMES PLCG01767105SHS2,246,654$50,168,000thousands by filing date
BOOZ ALLEN HAMILTON HLDG CORP CL A099502106Stock535,817$49,483,000thousands by filing date
FMC CORP COM NEW302491303Stock465,704$49,225,000thousands by filing date
NEUROCRINE BIOSCIENCES INC64125C109COM460,183$48,876,000thousands by filing date
THE COOPER COMPANIES216648402COM NEW183,979$48,552,000thousands by filing date
WASTE CONNECTIONS INC COM94106B101Stock354,246$47,869,000thousands by filing date
INNOVIVA INC45781M101COM3,960,168$45,978,000thousands by filing date
SMARTSHEET INC. (CLASS A)83200N103COM CL A1,317,645$45,274,000thousands by filing date
ITT INC COM45073V108Stock690,594$45,123,000thousands by filing date
Qualcomm Incorporated747525103COM397,857$44,950,000thousands by filing date
TENABLE HLDGS INC88025T102COM1,288,609$44,844,000thousands by filing date
TRANSUNION COM89400J107Stock750,943$44,674,000thousands by filing date
LAM RESEARCH CORP512807108COM121,528$44,479,000thousands by filing date
NIKE,Inc. Class B654106103COM520,787$43,287,000thousands by filing date
PROCORE TECHNOLOGIES INC COM74275K108Stock869,568$43,026,000thousands by filing date
CULLEN FROST BANKERS INC COM229899109Stock324,847$42,951,000thousands by filing date
LUMENTUM HLDGS INC COM55024U109Stock622,975$42,717,000thousands by filing date
ROCKET PHARMACEUTICALS INC77313F106COM2,653,202$42,345,000thousands by filing date
ARES MANAGEMENT CORPORATION CL A COM STK03990B101Stock682,201$42,262,000thousands by filing date
VAIL RESORTS INC COM91879Q109Stock193,336$41,691,000thousands by filing date
CHURCHILL DOWNS INC171484108COM225,206$41,472,000thousands by filing date
OKTAINCCLASSA679295105STOK728,953$41,456,000thousands by filing date
TRADEWEB MKTS INC CL A892672106Stock720,651$40,659,000thousands by filing date
LAMAR ADVERTISING CO CL A512816109REIT482,082$39,767,000thousands by filing date
F5 INC COM315616102Stock273,407$39,570,000thousands by filing date
S&P Global,Inc.78409V104COM128,053$39,101,000thousands by filing date
PDC ENERGY INC69327R101COM673,073$38,897,000thousands by filing date
CELANESE CORP DEL COM150870103Stock421,415$38,071,000thousands by filing date
CIENA CORP COM NEW171779309Stock939,130$37,970,000thousands by filing date
WNS HOLDINGS LTD92932M101SPON ADR462,750$37,871,000thousands by filing date
VISTEON CORP92839U206COM NEW355,523$37,707,000thousands by filing date
SHIFT4 PMTS INC CL A82452J109Stock830,243$37,037,000thousands by filing date
MATCH GROUP INC NEW57667L107COM770,787$36,805,000thousands by filing date
GENPACT LIMITED SHSG3922B107Stock835,534$36,571,000thousands by filing date
INDEPENDENCE RLTY TR INC45378A106COM1,996,570$33,403,000thousands by filing date
FTI CONSULTING INC302941109COM198,781$32,940,000thousands by filing date
BILL HOLDINGS INC090043100COM247,740$32,793,000thousands by filing date
FLYWIRE CORPORATION302492103COM VTG1,416,115$32,514,000thousands by filing date
HEXCEL CORP NEW428291108COM624,075$32,277,000thousands by filing date
CHART INDS INC16115Q308COM173,892$32,057,000thousands by filing date
APTIV PLCG6095L109SHS403,002$31,519,000thousands by filing date
GUARDANT HEALTH INC COM40131M109Stock581,589$31,307,000thousands by filing date
FATE THERAPEUTICS INC31189P102COM1,391,217$31,177,000thousands by filing date
REPLIGEN CORP COM759916109Stock166,248$31,107,000thousands by filing date
AMERICAN ASSETS TR INC COM024013104REIT1,204,696$30,985,000thousands by filing date
SYNAPTICS INC COM87157D109Stock311,424$30,834,000thousands by filing date
WINGSTOP INC COM974155103Stock245,371$30,774,000thousands by filing date
AMEDISYS INC023436108COM317,175$30,699,000thousands by filing date
OLLIES BARGAIN OUTLET HLDGS681116109COM593,893$30,645,000thousands by filing date
SAMSARA INC COM CL A79589L106Stock2,538,142$30,635,000thousands by filing date
PAYA HOLDINGS INC70434P103COM CL A4,987,483$30,474,000thousands by filing date
LIGHTSPEED COMM INC NPV53229C107SUB VTG SHS1,637,167$28,781,000thousands by filing date
UnitedHealth Group Inc91324P102COM55,197$27,877,000thousands by filing date
FIRST INTERSTATE BANCSYSTEM IN32055Y201COM CL A686,944$27,718,000thousands by filing date
PACIRA BIOSCIENCES INC COM695127100Stock520,697$27,696,000thousands by filing date
ENDEAVOR GROUP HLDGS INC29260Y109CL A COM1,319,408$26,731,000thousands by filing date
NORTHERN OIL & GAS INC COM665531307Stock966,822$26,501,000thousands by filing date
PALOMAR HLDGS INC COM69753M105Stock295,891$24,772,000thousands by filing date
AVIENT CORPORATION05368V106COM794,067$24,060,000thousands by filing date
HAEMONETICS CORP MASS COM405024100Stock311,370$23,051,000thousands by filing date
BLACKLINE, INC.09239B109COM382,313$22,901,000thousands by filing date
BRAZE INC10576N102COM CL A649,885$22,635,000thousands by filing date
COUPA SOFTWARE INCORPORATED22266L106COM378,148$22,235,000thousands by filing date
UMH PPTYS INC903002103COM1,334,898$21,559,000thousands by filing date
PRIMERICA INC74164M108COM172,877$21,342,000thousands by filing date
AXALTA COATING SYS LTD COMG0750C108Stock1,008,101$21,231,000thousands by filing date
NEXTIER OILFIELD SOLUTIONS INC65290C105COMMON STOCK2,823,192$20,892,000thousands by filing date
TANDEM DIABETES CARE INC875372203COM NEW421,743$20,180,000thousands by filing date
PLAYA HOTELS & RESORTS NVN70544106SHS3,319,193$19,318,000thousands by filing date
THE BALDWIN INSURANCE GRP IN05589G102COM CL A724,671$19,095,000thousands by filing date
STEPSTONE GROUP INC85914M107COM CL A766,683$18,791,000thousands by filing date
Broadcom Inc.11135F101COM38,760$17,210,000thousands by filing date
MACOM TECH SOLUTIONS HLDGS INC COM55405Y100Stock328,310$17,003,000thousands by filing date
AZENTA INC114340102COM365,124$15,649,000thousands by filing date
COGENT COMMUNICATIONS GROUP19239V302COM NEW257,831$13,448,000thousands by filing date
SILVERGATE CAP CORP CLASS A82837P408CL A155,100$11,687,000thousands by filing date
AbbVie,Inc.00287Y109COM81,102$10,885,000thousands by filing date
IRONWOOD PHARMACEUTICALS INC46333X108COMMON STOCK932,769$9,663,000thousands by filing date
ARCUTIS BIOTHERAPEUTICS INC03969K108COM469,774$8,977,000thousands by filing date
RANPAK HOLDINGS CORP75321W103COMMON STOCK2,615,232$8,944,000thousands by filing date
Alphabet Inc. Reg. Shares C02079K107COM92,960$8,938,000thousands by filing date
INNOVATIVE INDL PPTYS INC COM45781V101REIT94,182$8,335,000thousands by filing date
Danaher Corporation235851102COM31,219$8,064,000thousands by filing date
International Business Machines Corporation459200101COM67,496$8,019,000thousands by filing date
SILICON MOTION TECHNOLOGY CORP SPONSORED ADR82706C108ADR116,125$7,570,000thousands by filing date
CVS Health Corporation126650100COM73,868$7,045,000thousands by filing date
PepsiCo,Inc.713448108COM40,332$6,585,000thousands by filing date
SPHERE ENTERTAINMENT CO CL A55826T102Stock140,630$6,200,000thousands by filing date
METTLER TOLEDO INTERNATIONAL COM592688105Stock5,646$6,121,000thousands by filing date
AMERICAN INTL GROUP INC COM NEW026874784Stock128,673$6,109,000thousands by filing date
Coca-Cola Company191216100COM107,781$6,038,000thousands by filing date
BUNGE LTDG16962105COM72,729$6,005,000thousands by filing date
Cisco Systems,Inc.17275R102COM144,942$5,798,000thousands by filing date
TRANE TECHNOLOGIES PLC SHSG8994E103Stock37,386$5,414,000thousands by filing date
JPMorgan Chase & Co46625H100COM47,238$4,936,000thousands by filing date
Gilead Sciences,Inc.375558103COM78,929$4,869,000thousands by filing date
Merck & Co.,Inc.58933Y105COM55,352$4,767,000thousands by filing date
NEXSTAR MEDIA GROUP INC COMMON STOCK65336K103Stock27,483$4,586,000thousands by filing date
LYONDELLBASELL INDUSTRIES NV SHS - A -N53745100Stock56,892$4,283,000thousands by filing date
AVERY DENNISON CORP COM053611109Stock25,740$4,188,000thousands by filing date
HEWLETT PACKARD ENTERPRISE CO COM42824C109Stock331,346$3,970,000thousands by filing date
RAYMOND JAMES FINL INC COM754730109Stock40,095$3,962,000thousands by filing date
PACKAGING CORP AMER COM695156109Stock34,276$3,849,000thousands by filing date
HERSHEY CO COM427866108Stock17,279$3,810,000thousands by filing date
EQUITY LIFESTYLE PROPERTIES COM29472R108REIT59,769$3,756,000thousands by filing date
EAST WEST BANCORP INC COM27579R104Stock54,516$3,660,000thousands by filing date
HAMILTON LANE INC407497106CL A58,314$3,476,000thousands by filing date
ILLINOIS TOOL WKS INC452308109COM15,982$2,887,000thousands by filing date
TIMKEN CO887389104COM47,820$2,823,000thousands by filing date
SPLUNK INC848637104COM36,746$2,763,000thousands by filing date
FIRST CTZNS BANCSHARES INC DEL CL A31946M103Stock3,185$2,540,000thousands by filing date
HEICO CORP NEW422806208CL A20,130$2,307,000thousands by filing date
BRIGHT HORIZONS FAM SOL IN DEL COM109194100Stock37,450$2,159,000thousands by filing date
ISHARES RUSSELL MID-CAP GROWTH ETF464287481ETF17,268$1,354,000thousands by filing date
CSX Corporation126408103COM28,590$762,000thousands by filing date
BLACK KNIGHT INC COM09215C105Stock11,550$748,000thousands by filing date
ZENDESK INC98936J101COM9,375$713,000thousands by filing date
WILLIAMS COS INC COM969457100Stock23,330$668,000thousands by filing date
MERCADOLIBREINC58733R102STOK682$565,000thousands by filing date
SPDR SER TR78468R556S&P OILGAS EXP4,410$550,000thousands by filing date
Intuit Inc.461202103COM1,410$546,000thousands by filing date
TERRENO RLTY CORP88146M101COM8,840$468,000thousands by filing date
BIOGEN INC COM09062X103Stock1,748$467,000thousands by filing date
FLUENCE ENERGY INC34379V103COM CL A29,658$433,000thousands by filing date
Netflix, Inc64110L106COM1,830$431,000thousands by filing date
NANO DIMENSION LTD63008G203SPONSORD ADS NEW149,070$356,000thousands by filing date
WORLD WRESTLING ENTMT INC98156Q108CL A4,720$331,000thousands by filing date
NATIONAL STORAGE AFFILIATES TR COM SHS BEN IN637870106REIT7,860$327,000thousands by filing date
OLD DOMINION FREIGHT LINE INC COM679580100Stock1,249$311,000thousands by filing date
REPAY HLDGS CORP76029L100COM CL A42,870$303,000thousands by filing date
CARPARTS COM INC14427M107COM38,860$201,000thousands by filing date

Amendment chain

FilingRoleFiledAcceptedIngested
13F-HR 0001085146-22-003994this filing2022-11-14acceptance time not in the bulk data set