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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 2022-03-31, filed 2022-05-16, with 235 holding rows worth $15,601,903,000.

Accession
0001085146-22-002139
Filed
2022-05-16
Accepted by EDGAR
acceptance time not in the bulk data set
Ingested
Source
SEC quarterly data set

Original filing

13F report for Q1 2022

A holdings report, 235 entries on the cover page, a total value of $15,601,903,000 stated on the cover page (in dollars after the unit check, H1), rows summing to $15,601,903,000 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 Inc037833100COM3,934,402$686,986,000thousands by filing date
Alphabet Inc. Reg. Shares A02079K305COM178,300$495,915,000thousands by filing date
Microsoft Corp594918104COM1,457,807$449,456,000thousands by filing date
Amazon.com, Inc023135106COM104,009$339,064,000thousands by filing date
ICON PUB LTD CO SHSG4705A100Stock1,321,231$321,350,000thousands by filing date
ASCENDIS PHARMA A/S DKK 1.0 AD04351P101SPONSORED ADR2,635,027$309,247,000thousands by filing date
TRANSDIGM GROUP INC COM893641100Stock397,054$258,697,000thousands by filing date
Visa Inc92826C839COM1,061,192$235,341,000thousands by filing date
FORTINET INC COM34959E109Stock685,363$234,216,000thousands by filing date
ZENDESK INC98936J101COM1,773,829$213,374,000thousands by filing date
DEXCOM INC COM252131107Stock405,821$207,618,000thousands by filing date
META PLATFORMS INC CL A30303M102COM867,145$192,818,000thousands by filing date
BIO RAD LABS INC090572207CL A341,832$192,530,000thousands by filing date
ServiceNow,Inc.81762P102COM317,723$176,937,000thousands by filing date
AMETEK INC COM031100100Stock1,291,008$171,936,000thousands by filing date
ATKORE INC047649108COMMON STOCK1,698,736$167,224,000thousands by filing date
MICROCHIP TECHNOLOGY INC. COM595017104Stock2,158,216$162,168,000thousands by filing date
Union Pacific Corporation907818108COM582,210$159,066,000thousands by filing date
LPL FINL HLDGS INC COM50212V100Stock863,640$157,770,000thousands by filing date
TAPESTRY INC COM876030107Stock4,227,847$157,065,000thousands by filing date
TRANSUNION COM89400J107Stock1,476,682$152,600,000thousands by filing date
NVIDIA Corp67066G104COM557,782$152,196,000thousands by filing date
ADVANCED DRAIN SYS INC DEL COM00790R104Stock1,274,366$151,407,000thousands by filing date
GLOBAL PMTS INC37940X102COM1,069,368$146,332,000thousands by filing date
WORKDAY INC CL A98138H101Stock606,375$145,203,000thousands by filing date
MGM RESORTS INTERNATIONAL552953101COM3,388,938$142,132,000thousands by filing date
Tesla Motors, Inc88160R101COM129,090$139,107,000thousands by filing date
Home Depot, Inc437076102COM455,918$136,470,000thousands by filing date
Salesforce.com, Inc79466L302COM634,753$134,771,000thousands by filing date
HUBSPOTINC443573100STOK282,831$134,328,000thousands by filing date
PALO ALTO NETWORKS INC697435105COM208,325$129,684,000thousands by filing date
Qualcomm Incorporated747525103COM812,794$124,211,000thousands by filing date
TELEDYNE TECHNOLOGIES INC COM879360105Stock260,090$122,926,000thousands by filing date
MONGODB INC CL A60937P106Stock276,882$122,822,000thousands by filing date
Thermo Fisher Scientific Inc.883556102COM206,639$122,051,000thousands by filing date
ENCORE WIRE CORP292562105COM1,057,332$120,610,000thousands by filing date
AMERICAN FINANCIAL GROUP INC COM025932104Stock827,740$120,535,000thousands by filing date
AVALARA INC05338G106COM1,195,989$119,013,000thousands by filing date
Costco Wholesale Corporation22160K105COM206,006$118,629,000thousands by filing date
DOUGLAS EMMETT INC25960P109COM3,483,195$116,408,000thousands by filing date
IDEXX LABS INC COM45168D104Stock205,342$112,334,000thousands by filing date
IRONWOOD PHARMACEUTICALS INC46333X108COMMON STOCK8,534,416$107,363,000thousands by filing date
Applied Materials,Inc.038222105COM802,864$105,817,000thousands by filing date
GALLAGHER ARTHUR J & CO COM363576109Stock601,288$104,985,000thousands by filing date
AVANTOR INC COM05352A100Stock3,042,836$102,909,000thousands by filing date
NATIONAL VISION HLDGS INC COM63845R107Stock2,350,519$102,412,000thousands by filing date
NICE LTD SPONSORED ADR653656108ADR465,953$102,044,000thousands by filing date
IDEX CORP COM45167R104Stock526,620$100,969,000thousands by filing date
DEVON ENERGY CORP NEW COM25179M103Stock1,662,079$98,279,000thousands by filing date
NIKE,Inc. Class B654106103COM715,652$96,298,000thousands by filing date
HORIZON THERAPEUTICS PLCG46188101SHS909,829$95,723,000thousands by filing date
LIVE NATION ENTERTAINMENT INC COM538034109Stock812,404$95,571,000thousands by filing date
BROOKFIELD ASSET MANAGEMENT IN112585104CL A LTD VT SH1,643,108$92,951,000thousands by filing date
INSULET CORP COM45784P101Stock347,573$92,590,000thousands by filing date
ZOOMINFO TECHNOLOGIES INC COMMON STOCK98980F104Stock1,523,643$91,022,000thousands by filing date
SAIA INC78709Y105COM370,722$90,389,000thousands by filing date
FIDELITY NATL INFORMATION SVCS COM31620M106Stock896,991$90,076,000thousands by filing date
WESCO INTL INC COM95082P105Stock686,780$89,378,000thousands by filing date
WILLSCOT HLDGS CORP971378104COM CL A2,281,002$89,256,000thousands by filing date
HUMANA INC COM444859102Stock204,417$88,956,000thousands by filing date
S&P Global,Inc.78409V104COM215,400$88,353,000thousands by filing date
MKS INC. COM55306N104Stock576,643$86,496,000thousands by filing date
ESSEX PPTY TR INC COM297178105REIT249,150$86,076,000thousands by filing date
FIVE BELOW INC COM33829M101Stock542,801$85,963,000thousands by filing date
ULTA BEAUTY INC COM90384S303Stock214,974$85,607,000thousands by filing date
HILTON WORLDWIDE HLDGS INC COM43300A203Stock561,133$85,146,000thousands by filing date
ConocoPhillips20825C104COM802,482$80,248,000thousands by filing date
CATALENT INC USD 0.01148806102COM706,907$78,396,000thousands by filing date
ROCKWELL AUTOMATION INC COM773903109Stock277,464$77,698,000thousands by filing date
LINCOLN ELEC HLDGS INC533900106COM556,165$76,645,000thousands by filing date
VULCAN MATLS CO COM929160109Stock417,051$76,612,000thousands by filing date
MARRIOTT INTL INC NEW CL A571903202Stock434,978$76,447,000thousands by filing date
THE COOPER COMPANIES216648402COM NEW182,349$76,147,000thousands by filing date
BLUEPRINT MEDICINES CORP09627Y109COM1,173,421$74,958,000thousands by filing date
COPART INC COM217204106Stock590,885$74,138,000thousands by filing date
BRP INC COM SUN VTG05577W200Stock880,561$72,021,000thousands by filing date
SILICON MOTION TECHNOLOGY CORP SPONSORED ADR82706C108ADR1,070,399$71,524,000thousands by filing date
LUMENTUM HLDGS INC COM55024U109Stock732,382$71,480,000thousands by filing date
SPLUNK INC848637104COM478,470$71,105,000thousands by filing date
QUEST DIAGNOSTICS INC COM74834L100Stock511,247$69,969,000thousands by filing date
Intuit Inc.461202103COM140,175$67,402,000thousands by filing date
MSCI INC COM55354G100Stock133,824$67,297,000thousands by filing date
LIGHTSPEED COMM INC NPV53229C107SUB VTG SHS2,181,135$66,459,000thousands by filing date
Morgan Stanley617446448COM758,843$66,323,000thousands by filing date
NETAPP INC COM64110D104Stock798,561$66,281,000thousands by filing date
DIAMONDBACK ENERGY INC COM25278X109Stock479,178$65,686,000thousands by filing date
EXPEDIA GROUP INC COM NEW30212P303Stock333,743$65,303,000thousands by filing date
OPTION CARE HEALTH INC COM NEW68404L201Stock2,284,668$65,250,000thousands by filing date
TOPBUILD COR COM89055F103Stock350,443$63,567,000thousands by filing date
Charles Schwab Corp808513105COM738,837$62,291,000thousands by filing date
CIENA CORP COM NEW171779309Stock998,865$60,561,000thousands by filing date
GARTNERINC366651107STOK202,747$60,309,000thousands by filing date
SPIRIT RLTY CAP INC NEW NPV84860W300COM NEW1,299,951$59,824,000thousands by filing date
ZSCALERINC98980G102STOK240,025$57,913,000thousands by filing date
PAYLOCITY HLDG CORP COM70438V106Stock281,181$57,859,000thousands by filing date
ARES MANAGEMENT CORPORATION CL A COM STK03990B101Stock706,384$57,380,000thousands by filing date
INNOVIVA INC45781M101COM2,951,512$57,112,000thousands by filing date
WASTE CONNECTIONS INC COM94106B101Stock407,925$56,987,000thousands by filing date
LULULEMON ATHLETICA INC550021109COM154,655$56,485,000thousands by filing date
TERADYNE INC COM880770102Stock464,732$54,945,000thousands by filing date
FIRST REPUBLIC BANK/SAN FRANCI33616C100COM331,842$53,792,000thousands by filing date
NUTANIX INC CL A67059N108Stock1,950,590$52,315,000thousands by filing date
F5 INC COM315616102Stock248,994$52,027,000thousands by filing date
NEUROCRINE BIOSCIENCES INC64125C109COM554,491$51,984,000thousands by filing date
ATLASSIAN CORPG06242104CL A175,401$51,538,000thousands by filing date
VAIL RESORTS INC COM91879Q109Stock197,366$51,368,000thousands by filing date
ON SEMICONDUCTOR CORP COM682189105Stock818,604$51,253,000thousands by filing date
CELANESE CORP DEL COM150870103Stock355,609$50,806,000thousands by filing date
AMEDISYS INC023436108COM294,367$50,716,000thousands by filing date
ETSY INC29786A106COM405,381$50,381,000thousands by filing date
INSPIRE MED SYS INC COM457730109Stock193,026$49,548,000thousands by filing date
SIGNATURE BANK82669G104COM165,952$48,705,000thousands by filing date
SMARTSHEET INC. (CLASS A)83200N103COM CL A879,278$48,167,000thousands by filing date
PS BUSINESS PKS INC CALIF69360J107COM285,050$47,911,000thousands by filing date
PDC ENERGY INC69327R101COM656,157$47,689,000thousands by filing date
INDEPENDENCE RLTY TR INC45378A106COM1,794,546$47,448,000thousands by filing date
FATE THERAPEUTICS INC31189P102COM1,220,321$47,312,000thousands by filing date
RANPAK HOLDINGS CORP75321W103COMMON STOCK2,309,932$47,192,000thousands by filing date
ITT INC COM45073V108Stock623,462$46,891,000thousands by filing date
NATIONAL HEALTH INVS INC COM63633D104REIT793,087$46,800,000thousands by filing date
BOOZ ALLEN HAMILTON HLDG CORP CL A099502106Stock525,401$46,151,000thousands by filing date
COGENT COMMUNICATIONS GROUP19239V302COM NEW693,721$46,028,000thousands by filing date
Advanced Micro Devices,Inc.007903107COM418,479$45,756,000thousands by filing date
CHURCHILL DOWNS INC171484108COM205,335$45,539,000thousands by filing date
TENABLE HLDGS INC88025T102COM762,942$44,090,000thousands by filing date
TRADEWEB MKTS INC CL A892672106Stock491,676$43,204,000thousands by filing date
MAXLINEAR INC57776J100COM722,882$42,180,000thousands by filing date
HEXCEL CORP NEW428291108COM685,157$40,746,000thousands by filing date
FMC CORP COM NEW302491303Stock304,701$40,090,000thousands by filing date
TANDEM DIABETES CARE INC875372203COM NEW344,043$40,009,000thousands by filing date
SHIFT4 PMTS INC CL A82452J109Stock630,619$39,054,000thousands by filing date
PLAYA HOTELS & RESORTS NVN70544106SHS4,485,062$38,796,000thousands by filing date
ENDEAVOR GROUP HLDGS INC29260Y109CL A COM1,284,572$37,921,000thousands by filing date
AMERICAN ASSETS TR INC COM024013104REIT999,093$37,856,000thousands by filing date
BILL HOLDINGS INC090043100COM157,596$35,741,000thousands by filing date
HAEMONETICS CORP MASS COM405024100Stock552,311$34,917,000thousands by filing date
ROCKET PHARMACEUTICALS INC77313F106COM2,193,725$34,792,000thousands by filing date
AZENTA INC114340102COM409,930$33,975,000thousands by filing date
REVOLVE GROUP INC CL A76156B107Stock632,008$33,933,000thousands by filing date
SENSATA TECHNOLOGIES HLDG PLg8060n102SHS659,117$33,516,000thousands by filing date
SYNAPTICS INC COM87157D109Stock166,253$33,167,000thousands by filing date
COGNIZANT TECHNOLOGY SOLUTIONS CL A192446102Stock368,187$33,015,000thousands by filing date
PEGASYSTEMS INC COM705573103Stock402,385$32,452,000thousands by filing date
PACIRA BIOSCIENCES INC COM695127100Stock418,502$31,940,000thousands by filing date
WNS HOLDINGS LTD92932M101SPON ADR368,534$31,506,000thousands by filing date
AVIENT CORPORATION05368V106COM649,353$31,169,000thousands by filing date
EVERPURE INC CL A74624M102Stock879,880$31,069,000thousands by filing date
WORKIVA INC COM CL A98139A105Stock248,100$29,276,000thousands by filing date
PAYA HOLDINGS INC70434P103COM CL A4,959,069$29,060,000thousands by filing date
PALOMAR HLDGS INC COM69753M105Stock449,041$28,734,000thousands by filing date
ENPHASE ENERGY INC COM29355A107Stock140,549$28,360,000thousands by filing date
SAMSARA INC COM CL A79589L106Stock1,758,326$28,168,000thousands by filing date
REPLIGEN CORP COM759916109Stock145,369$27,342,000thousands by filing date
SILVERGATE CAP CORP CLASS A82837P408CL A179,353$27,005,000thousands by filing date
THE BALDWIN INSURANCE GRP IN05589G102COM CL A994,644$26,686,000thousands by filing date
Broadcom Inc.11135F101COM38,930$24,513,000thousands by filing date
FLYWIRE CORPORATION302492103COM VTG796,697$24,363,000thousands by filing date
NCR VOYIX CORPORATION62886E108COM598,377$24,049,000thousands by filing date
EAST WEST BANCORP INC COM27579R104Stock298,024$23,550,000thousands by filing date
AXALTA COATING SYS LTD COMG0750C108Stock935,377$22,992,000thousands by filing date
SEMTECH CORP COM816850101Stock319,813$22,176,000thousands by filing date
REPAY HLDGS CORP76029L100COM CL A1,497,741$22,122,000thousands by filing date
STEPSTONE GROUP INC85914M107COM CL A663,259$21,927,000thousands by filing date
SMART GLOBAL HLDGS INCG8232Y101COM845,928$21,850,000thousands by filing date
SPHERE ENTERTAINMENT CO CL A55826T102Stock260,675$21,717,000thousands by filing date
SITIME CORP COM82982T106Stock83,206$20,620,000thousands by filing date
TURNING PT THERAPEUTICS90041T108COM758,356$20,362,000thousands by filing date
CHART INDS INC16115Q308COM118,342$20,328,000thousands by filing date
BLACKLINE, INC.09239B109COM277,317$20,305,000thousands by filing date
MARVELL TECHNOLOGY INC573874104COM280,512$20,116,000thousands by filing date
WINGSTOP INC COM974155103Stock163,277$19,161,000thousands by filing date
AbbVie,Inc.00287Y109COM96,402$15,628,000thousands by filing date
ZYNGA INC.98986T108CL A1,682,995$15,551,000thousands by filing date
Alphabet Inc. Reg. Shares C02079K107COM4,731$13,214,000thousands by filing date
JUNIPER NETWORKS INC48203R104COM350,210$13,014,000thousands by filing date
SNOWFLAKE INC COM SHS833445109Stock54,164$12,411,000thousands by filing date
EPAM SYS INC COM29414B104Stock41,383$12,275,000thousands by filing date
ELANCO ANIMAL HEALTH INC COM28414H103Stock452,877$11,816,000thousands by filing date
GUARDANT HEALTH INC COM40131M109Stock155,342$10,290,000thousands by filing date
METTLER TOLEDO INTERNATIONAL COM592688105Stock7,056$9,689,000thousands by filing date
Danaher Corporation235851102COM32,243$9,458,000thousands by filing date
FREEPORT MCMORAN INC CL B35671D857Stock178,640$8,886,000thousands by filing date
Johnson & Johnson478160104COM48,403$8,578,000thousands by filing date
Cisco Systems,Inc.17275R102COM145,495$8,113,000thousands by filing date
AMERICAN INTL GROUP INC COM NEW026874784Stock127,205$7,985,000thousands by filing date
BUNGE LTDG16962105COM72,035$7,982,000thousands by filing date
NEWMONT CORP651639106COM99,772$7,927,000thousands by filing date
ALEXANDRIA REAL ESTATE EQ INC COM015271109REIT37,120$7,470,000thousands by filing date
FORD MTR CO COM345370860Stock403,125$6,817,000thousands by filing date
LAM RESEARCH CORP512807108COM12,675$6,814,000thousands by filing date
PepsiCo,Inc.713448108COM40,640$6,802,000thousands by filing date
Coca-Cola Company191216100COM108,545$6,730,000thousands by filing date
Bristol-Myers Squibb Company110122108COM92,090$6,725,000thousands by filing date
SUN CMNTYS INC COM866674104REIT38,000$6,661,000thousands by filing date
WYNDHAM HOTELS & RESORTS INC98311A105COM76,810$6,505,000thousands by filing date
International Business Machines Corporation459200101COM49,075$6,381,000thousands by filing date
CVS Health Corporation126650100COM60,805$6,154,000thousands by filing date
PAYPALHLDGSINC70450Y103STOK49,322$5,704,000thousands by filing date
TRANE TECHNOLOGIES PLC SHSG8994E103Stock37,333$5,701,000thousands by filing date
HEWLETT PACKARD ENTERPRISE CO COM42824C109Stock324,185$5,417,000thousands by filing date
NEXSTAR MEDIA GROUP INC COMMON STOCK65336K103Stock26,535$5,001,000thousands by filing date
RED ROCK RESORTS INC75700L108CL A102,882$4,996,000thousands by filing date
BRIGHT HORIZONS FAM SOL IN DEL COM109194100Stock37,450$4,969,000thousands by filing date
COSTAR GROUP INC COM22160N109Stock74,500$4,962,000thousands by filing date
UMH PPTYS INC903002103COM197,940$4,867,000thousands by filing date
AVERY DENNISON CORP COM053611109Stock25,740$4,478,000thousands by filing date
RAYMOND JAMES FINL INC COM754730109Stock40,095$4,407,000thousands by filing date
JPMorgan Chase & Co46625H100COM31,195$4,253,000thousands by filing date
CIVITAS RESOURCES INC COM NEW17888H103Stock65,455$3,908,000thousands by filing date
ILLINOIS TOOL WKS INC452308109COM16,782$3,514,000thousands by filing date
TIMKEN CO887389104COM47,820$2,903,000thousands by filing date
HEICO CORP NEW422806208CL A20,130$2,553,000thousands by filing date
TREX CO INC89531P105COM35,446$2,316,000thousands by filing date
FIRST CTZNS BANCSHARES INC DEL CL A31946M103Stock3,185$2,120,000thousands by filing date
Walt Disney Co254687106COM7,901$1,084,000thousands by filing date
CSX Corporation126408103COM28,590$1,071,000thousands by filing date
Starbucks Corporation855244109COM10,800$982,000thousands by filing date
MERCADOLIBREINC58733R102STOK677$805,000thousands by filing date
WILLIAMS COS INC COM969457100Stock23,330$779,000thousands by filing date
FIRST INTERSTATE BANCSYSTEM IN32055Y201COM CL A20,410$750,000thousands by filing date
BLACK KNIGHT INC COM09215C105Stock11,550$670,000thousands by filing date
TERRENO RLTY CORP88146M101COM8,840$655,000thousands by filing date
ALKERMES PLCG01767105SHS23,945$630,000thousands by filing date
BIOGEN INC COM09062X103Stock2,927$616,000thousands by filing date
PERELLA WEINBERG PARTNERS71367G102COMMON STOCK64,280$607,000thousands by filing date
SPDR SER TR78468R556S&P OILGAS EXP4,410$593,000thousands by filing date
NXP SEMICONDUCTORS N V COMN6596X109Stock3,121$578,000thousands by filing date
NATIONAL STORAGE AFFILIATES TR COM SHS BEN IN637870106REIT7,860$493,000thousands by filing date
PATRIOT NATL BANCORP INC70336F203COM NEW27,990$474,000thousands by filing date
UnitedHealth Group Inc91324P102COM820$418,000thousands by filing date
FLUENCE ENERGY INC34379V103COM CL A28,707$376,000thousands by filing date
OLD DOMINION FREIGHT LINE INC COM679580100Stock1,249$373,000thousands by filing date
EVERQUOTE INC30041R108COM CL A21,690$351,000thousands by filing date
MEDIAALPHA INC58450V104CL A20,780$344,000thousands by filing date
VENTAS INC COM92276F100REIT4,442$274,000thousands by filing date

Amendment chain

FilingRoleFiledAcceptedIngested
13F-HR 0001085146-22-002139this filing2022-05-16acceptance time not in the bulk data set