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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 2015-09-30, filed 2015-11-12, with 262 holding rows worth $14,125,001,000.

Accession
0001085146-15-002279
Filed
2015-11-12
Accepted by EDGAR
acceptance time not in the bulk data set
Ingested
Source
SEC quarterly data set

Original filing

13F report for Q3 2015

A holdings report, 262 entries on the cover page, a total value of $14,125,001,000 stated on the cover page (in dollars after the unit check, H1), rows summing to $14,125,001,000 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 Inc037833100COM3,989,366$440,027,000thousands by filing date
TEVA PHARMACEUTICAL INDS LTD SPONSORED ADS881624209ADR5,555,430$313,660,000thousands by filing date
JAZZ PHARMACEUTICALS PLC SHS USDG50871105Stock2,298,726$305,294,000thousands by filing date
CELGENE CORP151020104COM2,396,820$259,264,000thousands by filing date
META PLATFORMS INC CL A30303M102COM2,598,754$233,628,000thousands by filing date
Vertex Pharmaceuticals Incorporated92532F100COM1,961,599$204,281,000thousands by filing date
CONSTELLATION BRANDS INC CL A21036P108Stock1,588,510$198,897,000thousands by filing date
Google38259p508COM302,890$193,356,000thousands by filing date
Visa Inc92826C839COM2,741,503$190,973,000thousands by filing date
Salesforce.com, Inc79466L302COM2,702,110$187,607,000thousands by filing date
PRICELINE GRP INC741503403COM NEW151,550$187,446,000thousands by filing date
Comcast Corp20030N101COM3,263,183$185,610,000thousands by filing date
GOOGLE INC38259P706CL C303,561$184,693,000thousands by filing date
Lowes Companies,Inc.548661107COM2,647,293$182,451,000thousands by filing date
STERIS CORP859152100COMMON STOCK2,744,784$178,329,000thousands by filing date
UNITED AIRLS HLDGS INC COM910047109Stock3,326,811$176,487,000thousands by filing date
THE COOPER COMPANIES216648402COM NEW1,141,441$169,915,000thousands by filing date
DELPHI AUTOMOTIVE PLCG27823106COMMON STOCK-FO2,200,957$167,361,000thousands by filing date
PALO ALTO NETWORKS INC697435105COM945,125$162,562,000thousands by filing date
YUM BRANDS INC COM988498101Stock2,027,357$162,087,000thousands by filing date
AbbVie,Inc.00287Y109COM2,970,476$161,624,000thousands by filing date
Home Depot, Inc437076102COM1,355,466$156,543,000thousands by filing date
VALERO ENERGY CORP COM91913Y100Stock2,598,037$156,142,000thousands by filing date
COCA COLA ENTERPRISES INC NE19122T109COM3,115,441$150,632,000thousands by filing date
TESORO CORP881609101COM1,535,119$149,275,000thousands by filing date
Amazon.com, Inc023135106COM283,277$145,007,000thousands by filing date
V F CORP COM918204108Stock2,122,529$144,778,000thousands by filing date
JARDEN CORP471109108COM2,959,677$144,669,000thousands by filing date
Adobe Inc00724F101COM1,682,076$138,300,000thousands by filing date
MasterCard, Inc57636Q104COM1,507,308$135,839,000thousands by filing date
UNITED THERAPEUTICS CORP DEL COM91307C102Stock1,030,573$135,252,000thousands by filing date
Dow Chemical Company260543103COM3,145,503$133,369,000thousands by filing date
Union Pacific Corporation907818108COM1,506,555$133,195,000thousands by filing date
Analog Devices,Inc.032654105COM2,289,431$129,147,000thousands by filing date
DOLLAR TREE INC COM256746108Stock1,899,014$126,588,000thousands by filing date
ServiceNow,Inc.81762P102COM1,819,444$126,360,000thousands by filing date
Walt Disney Co254687106COM1,216,415$124,318,000thousands by filing date
NIELSEN HOLDINGS PLCG6518L108SHS EUR2,758,901$122,688,000thousands by filing date
STATE STR CORP COM857477103Stock1,817,315$122,142,000thousands by filing date
ULTA BEAUTY INC COM90384S303Stock707,129$115,510,000thousands by filing date
FORTINET INC COM34959E109Stock2,368,504$100,614,000thousands by filing date
CONSOL ENERGY INC20854P109COM10,196,831$99,929,000thousands by filing date
COGNIZANT TECHNOLOGY SOLUTIONS CL A192446102Stock1,535,014$96,107,000thousands by filing date
TRANSDIGM GROUP INC COM893641100Stock445,173$94,559,000thousands by filing date
TWENTY FIRST CENTY FOX INC90130A101CL A3,453,940$93,187,000thousands by filing date
RESTORATION HARDWARE HLDGS I761283100COM996,406$92,975,000thousands by filing date
Costco Wholesale Corporation22160K105COM640,136$92,544,000thousands by filing date
TOTAL SYS SVCS INC891906109COM1,993,829$90,580,000thousands by filing date
LENNOX INTL INC COM526107107Stock791,324$89,681,000thousands by filing date
Starbucks Corporation855244109COM1,534,297$87,209,000thousands by filing date
ICON PUB LTD CO SHSG4705A100Stock1,226,480$87,043,000thousands by filing date
ASSURANT INC COM04621X108Stock1,101,299$87,014,000thousands by filing date
TJX Companies Inc872540109COM1,217,158$86,929,000thousands by filing date
CELANESE CORP DEL COM150870103Stock1,466,015$86,744,000thousands by filing date
Charles Schwab Corp808513105COM3,014,381$86,091,000thousands by filing date
COSTAR GROUP INC COM22160N109Stock475,321$82,259,000thousands by filing date
MIDDLEBYCORP596278101STOK776,849$81,717,000thousands by filing date
TEAM HEALTH HOLDINGS INC87817A107COMMON STOCK1,489,921$80,500,000thousands by filing date
CARDINAL HEALTH INC14149Y108COM1,045,361$80,305,000thousands by filing date
SERVICE CORP INTL COM817565104Stock2,954,570$80,069,000thousands by filing date
TEXTRON INC COM883203101Stock2,124,698$79,974,000thousands by filing date
Thermo Fisher Scientific Inc.883556102COM649,984$79,480,000thousands by filing date
ALIGN TECHNOLOGY INC COM016255101Stock1,399,377$79,429,000thousands by filing date
LAM RESEARCH CORP512807108COM1,207,589$78,892,000thousands by filing date
IHS INC451734107CL A671,617$77,908,000thousands by filing date
STARWOOD PPTY TR INC COM85571B105REIT3,753,721$77,026,000thousands by filing date
AMAG PHARMACEUTICALS INC00163U106COM1,886,905$74,967,000thousands by filing date
SABRE CORP COM78573M104Stock2,752,950$74,825,000thousands by filing date
VAIL RESORTS INC COM91879Q109Stock711,496$74,479,000thousands by filing date
E M C CORP MASS268648102COM3,059,298$73,913,000thousands by filing date
ON SEMICONDUCTOR CORP COM682189105Stock7,668,791$72,087,000thousands by filing date
VERADIGM INC01988P108COMMON STOCK5,804,292$71,973,000thousands by filing date
BANKUNITED INC06652K103COM1,998,489$71,446,000thousands by filing date
VULCAN MATLS CO COM929160109Stock772,674$68,923,000thousands by filing date
SIGNET JEWELERS LTD SHSG81276100Stock496,411$67,576,000thousands by filing date
BREAD FINANCIAL HOLDINGS INC018581108COM254,842$65,999,000thousands by filing date
QLIK TECHNOLOGIES INC74733T105COM1,744,165$63,575,000thousands by filing date
GENESEE & WYOMING INC371559105CL A1,035,545$61,180,000thousands by filing date
WABCO HLDGS INC92927K102COM566,125$59,347,000thousands by filing date
SNAP ON INC COM833034101Stock392,101$59,184,000thousands by filing date
RED HAT INC756577102COM822,556$59,125,000thousands by filing date
MANPOWERGROUP INC WIS COM56418H100Stock720,289$58,984,000thousands by filing date
Broadcom IncY0486S104Common465,088$58,141,000thousands by filing date
FIRST REPUBLIC BANK/SAN FRANCI33616C100COM914,620$57,411,000thousands by filing date
METTLER TOLEDO INTERNATIONAL COM592688105Stock200,654$57,134,000thousands by filing date
PACIRA BIOSCIENCES INC COM695127100Stock1,389,164$57,095,000thousands by filing date
SPLUNK INC848637104COM1,022,402$56,590,000thousands by filing date
ARIAD PHARMACEUTICALS INC04033A100COM9,633,464$56,259,000thousands by filing date
MERRIMACK PHARMACEUTICALS IN590328100COM6,511,561$55,413,000thousands by filing date
RPM INTL INC COM749685103Stock1,316,354$55,142,000thousands by filing date
COMMUNITY HEALTH SYSTEMS INC203668108COMMON STOCK1,280,817$54,781,000thousands by filing date
Netflix, Inc64110L106COM515,402$53,220,000thousands by filing date
RAYMOND JAMES FINL INC COM754730109Stock1,058,934$52,555,000thousands by filing date
BRUNSWICK CORP117043109COM1,090,078$52,204,000thousands by filing date
SIX FLAGS ENTERTAINMENT CORP83001A102COM1,130,643$51,761,000thousands by filing date
WRIGHT MED GROUP INC98235T107COM2,402,633$50,503,000thousands by filing date
JACK IN THE BOX INC466367109COM641,178$49,396,000thousands by filing date
SOMNIGROUP INTERNATIONAL INC COM88023U101Stock674,988$48,214,000thousands by filing date
EASTMAN CHEM CO COM277432100Stock742,033$48,024,000thousands by filing date
CBRE GROUP INC CL A12504L109Stock1,450,307$46,410,000thousands by filing date
Caterpillar Inc.149123101COM710,028$46,407,000thousands by filing date
MEDIVATION INC58501N101COM1,075,846$45,723,000thousands by filing date
KNOLL INC498904200COM NEW2,079,962$45,718,000thousands by filing date
POLYONE CORP73179P106COM1,554,081$45,597,000thousands by filing date
NEUROCRINE BIOSCIENCES INC64125C109COM1,145,845$45,593,000thousands by filing date
PROTHENA CORP PLC SHSG72800108Stock987,979$44,795,000thousands by filing date
NEXSTAR MEDIA GROUP INC COMMON STOCK65336K103Stock928,083$43,945,000thousands by filing date
ASBURY AUTOMOTIVE GROUP INC COM043436104Stock540,748$43,882,000thousands by filing date
UNUM GROUP COM91529Y106Stock1,328,905$42,631,000thousands by filing date
WILLIAMS SONOMA INC COM969904101Stock534,759$40,829,000thousands by filing date
JONES LANG LASALLE INC COM48020Q107Stock283,670$40,783,000thousands by filing date
BRIGHT HORIZONS FAM SOL IN DEL COM109194100Stock632,115$40,607,000thousands by filing date
INGRAM MICRO INC457153104CL A1,405,131$38,276,000thousands by filing date
VERIFONE SYS INC92342Y109COM1,371,090$38,020,000thousands by filing date
WATSCO INC COM942622200Stock318,190$37,699,000thousands by filing date
EXPEDIA GROUP INC COM NEW30212P303Stock315,293$37,104,000thousands by filing date
DENTSPLY INTL INC249030107COM719,702$36,395,000thousands by filing date
ROBERT HALF INC. COM770323103Stock706,879$36,164,000thousands by filing date
QUEST DIAGNOSTICS INC COM74834L100Stock586,573$36,057,000thousands by filing date
STARWOOD HOTELS&RESORTS WRLD85590A401COM532,666$35,412,000thousands by filing date
AMERIPRISE FINL INC COM03076C106Stock320,575$34,984,000thousands by filing date
STEELCASE INC-CLASS A858155203CL A1,877,299$34,561,000thousands by filing date
ELECTRONICS FOR IMAGING INC286082102COM773,630$33,483,000thousands by filing date
PTC THERAPEUTICS INC69366J200COM1,251,141$33,405,000thousands by filing date
MAXIM INTEGRATED PRODS INC57772K101COM998,925$33,364,000thousands by filing date
ALEXANDER & BALDWIN INC NEW014491104COM959,325$32,934,000thousands by filing date
CHEMTURA CORP163893209COM NEW1,147,971$32,855,000thousands by filing date
LITHIA MTRS INC COM536797103Stock296,013$32,002,000thousands by filing date
DYAX CORP26746E103COM1,670,922$31,898,000thousands by filing date
HURON CONSULTING GROUP INC447462102COM500,914$31,322,000thousands by filing date
THE ULTIMATE SOFTWARE GROUP IN90385D107COM174,824$31,295,000thousands by filing date
WERNER ENTERPRISES INC950755108COM1,216,066$30,523,000thousands by filing date
FIVE BELOW INC COM33829M101Stock895,407$30,068,000thousands by filing date
Taser Intl Inc87651B104COM1,349,858$29,731,000thousands by filing date
DOLLAR GEN CORP COM256677105Stock407,768$29,539,000thousands by filing date
AMERICAN EAGLE OUTFITTERS INC COM02553E106Stock1,864,200$29,137,000thousands by filing date
CROWN CASTLE INC COM22822V101REIT368,683$29,078,000thousands by filing date
DAVE & BUSTERS ENTMT INC238337109COM764,965$28,939,000thousands by filing date
LINKEDIN CORP53578A108COM151,043$28,718,000thousands by filing date
HARMAN INTL INDS INC413086109COM298,808$28,683,000thousands by filing date
SONIC CORP835451105COM1,245,545$28,585,000thousands by filing date
NORD ANGLIA EDUCATION INCG6583A102SHS1,386,684$28,191,000thousands by filing date
CNO FINL GROUP INC12621E103COM1,461,276$27,487,000thousands by filing date
AON PLCG0408V102SHS CL A310,204$27,487,000thousands by filing date
STARZ85571Q102COM SER A735,284$27,456,000thousands by filing date
BUILDERS FIRSTSOURCE INC COM12008R107Stock2,154,750$27,322,000thousands by filing date
CARDIOME PHARMA CORP14159U301COM NO PAR3,222,395$27,197,000thousands by filing date
MONOLITHIC PWR SYS INC COM609839105Stock528,292$27,049,000thousands by filing date
AGILENT TECHNOLOGIES INC COM00846U101Stock782,500$26,863,000thousands by filing date
CEB INC125134106COM389,992$26,652,000thousands by filing date
PANDORA MEDIA INC698354107COM1,246,890$26,609,000thousands by filing date
ALLEGIANT TRAVEL CO01748X102COM122,694$26,533,000thousands by filing date
AFFILIATED MANAGERS GROUP COM008252108Stock154,367$26,395,000thousands by filing date
NICE LTD SPONSORED ADR653656108ADR466,663$26,287,000thousands by filing date
COMMSCOPE HLDG CO INC20337X109COM874,770$26,269,000thousands by filing date
AMC NETWORKS INC00164V103CL A350,629$25,656,000thousands by filing date
BLOOMIN BRANDS INC094235108COM1,387,216$25,220,000thousands by filing date
HUNT J B TRANS SVCS INC COM445658107Stock351,825$25,120,000thousands by filing date
BGC PARTNERS INC05541T101CL A3,050,725$25,077,000thousands by filing date
MASIMO CORP COM574795100Stock647,517$24,968,000thousands by filing date
EAST WEST BANCORP INC COM27579R104Stock646,065$24,822,000thousands by filing date
UPBOUND GROUP INC COM76009N100Stock1,021,350$24,768,000thousands by filing date
HEXCEL CORP NEW428291108COM548,792$24,619,000thousands by filing date
INSTALLED BLDG PRODS INC45780R101COM958,674$24,235,000thousands by filing date
GRACE W R & CO DEL NEW COM38388F108Stock260,255$24,217,000thousands by filing date
GENPACT LIMITED SHSG3922B107Stock1,019,362$24,067,000thousands by filing date
BROADSOFT INC11133B409COM787,519$23,594,000thousands by filing date
AUTODESK INC COM052769106Stock525,340$23,189,000thousands by filing date
RUSH ENTERPRISES INC CL A781846209Stock956,009$23,135,000thousands by filing date
HOMEAWAY INC43739Q100COM842,952$22,372,000thousands by filing date
DYNAVAX TECHNOLOGIES CORP268158201COM NEW888,247$21,798,000thousands by filing date
Applied Materials,Inc.038222105COM1,479,130$21,728,000thousands by filing date
FORTUNE BRANDS INNOVATIONS INC COM34964C106Stock457,685$21,726,000thousands by filing date
STIFEL FINL CORP860630102COM513,628$21,624,000thousands by filing date
PAPA JOHNS INTL INC698813102COM314,574$21,542,000thousands by filing date
HUNTSMAN CORP447011107COM2,199,355$21,312,000thousands by filing date
MATSON INC COM57686G105Stock526,956$20,283,000thousands by filing date
NAVIGATOR HLDGS LTD SHSY62132108Stock1,458,468$19,471,000thousands by filing date
MACQUARIE INFRASTRUCTURE HOLDI55608B105COMMON UNITS252,314$18,838,000thousands by filing date
COMMVAULT SYS INC COM204166102Stock550,281$18,688,000thousands by filing date
SCOTTS MIRACLE-GRO CO810186106CL A306,389$18,635,000thousands by filing date
BORGWARNER INC COM099724106Stock445,710$18,537,000thousands by filing date
INTEGRA LIFESCIENCES HLDGS C457985208COM NEW305,275$18,179,000thousands by filing date
BRUKER CORP116794108COM1,098,592$18,050,000thousands by filing date
CIRRUS LOGIC INC COM172755100Stock545,952$17,203,000thousands by filing date
CHARTER COMMUNICATION - A16117M305COM97,615$17,166,000thousands by filing date
TELEFLEX INCORPORATED879369106COM137,630$17,095,000thousands by filing date
PUMA BIOTECHNOLOGY INC74587V107COMMON STOCK221,356$16,681,000thousands by filing date
ZENDESK INC98936J101COM754,981$14,881,000thousands by filing date
NATIONAL HEALTH INVS INC COM63633D104REIT240,618$13,833,000thousands by filing date
QORVO INC COM74736K101Stock305,000$13,740,000thousands by filing date
POWER SOLUTIONS INTERNATIONA73933G202COMMON STOCK557,937$12,671,000thousands by filing date
Tandem Diabetes Care, Inc.875372104COM1,089,601$9,599,000thousands by filing date
Microsoft Corp594918104COM175,593$7,772,000thousands by filing date
Bristol-Myers Squibb Company110122108COM130,330$7,716,000thousands by filing date
FIRST AMERN FINL CORP31847R102COM183,446$7,167,000thousands by filing date
WYNDHAM DESTINATIONS INC98310W108COM95,522$6,868,000thousands by filing date
Qualcomm Incorporated747525103COM123,906$6,657,000thousands by filing date
CHEMOCENTRYX INC16383L106COM1,082,957$6,552,000thousands by filing date
Citigroup Inc.172967424COM125,350$6,219,000thousands by filing date
Cisco Systems,Inc.17275R102COM232,115$6,093,000thousands by filing date
ASTRAZENECA PLC SPONSORED ADR046353108ADR190,900$6,074,000thousands by filing date
GLAXOSMITHKLINE PLC-ADR37733W105SPONSORED ADR156,840$6,030,000thousands by filing date
CME Group Inc. Class A12572Q105COM60,970$5,654,000thousands by filing date
HENRY JACK & ASSOC INC426281101COM78,372$5,455,000thousands by filing date
Bank of America Corp060505104COM343,650$5,354,000thousands by filing date
ALLERGAN PLCG0177J108SHS19,330$5,254,000thousands by filing date
PAYCHEX INC704326107COM109,012$5,192,000thousands by filing date
LENNAR CORP CL A526057104Stock103,205$4,967,000thousands by filing date
Pfizer Inc.717081103COM146,805$4,611,000thousands by filing date
FLOWERS FOODS INC COM343498101Stock184,420$4,563,000thousands by filing date
PACWEST BANCORP DEL695263103COM104,050$4,454,000thousands by filing date
Boeing Company097023105COM33,630$4,404,000thousands by filing date
DR PEPPER SNAPPLE GROUP INC26138E109COM53,591$4,236,000thousands by filing date
PepsiCo,Inc.713448108COM44,602$4,206,000thousands by filing date
COLLEGIUM PHARMACEUTICAL INC19459J104COM184,461$4,078,000thousands by filing date
KIMBERLY-CLARK CORP COM494368103Stock36,531$3,983,000thousands by filing date
COPART INC COM217204106Stock96,610$3,178,000thousands by filing date
CVS Health Corporation126650100COM26,700$2,576,000thousands by filing date
RAPID7 INC COM753422104Stock112,470$2,559,000thousands by filing date
Danaher Corporation235851102COM26,624$2,269,000thousands by filing date
ALLISON TRANSMISSION HLDGS I01973R101COM75,550$2,016,000thousands by filing date
ISHARES CORE S&P U.S. GROWTH ETF464287671ETF17,388$1,321,000thousands by filing date
ISHARES TR464287648RUS 2000 GRW ETF9,300$1,246,000thousands by filing date
SKYWORKS SOLUTIONS INC COM83088M102Stock13,760$1,159,000thousands by filing date
GENERAL ELEC CO369604103COM44,102$1,112,000thousands by filing date
EXXON MOBIL CORP30231G102COM14,526$1,080,000thousands by filing date
Johnson & Johnson478160104COM11,265$1,052,000thousands by filing date
Merck & Co.,Inc.58933Y105COM19,659$971,000thousands by filing date
SPDR SERIES TRUST78464A698ST STR SP REGBNK20,050$826,000thousands by filing date
NORTHERN TR CORP COM665859104Stock12,096$824,000thousands by filing date
PACKAGING CORP AMER COM695156109Stock13,610$819,000thousands by filing date
LAUDER ESTEE COS INC CL A518439104Stock9,925$801,000thousands by filing date
International Business Machines Corporation459200101COM5,288$767,000thousands by filing date
GOGO INC38046C109COM48,350$739,000thousands by filing date
LIBERTY GLOBAL PLCG5480U120SHS CL C17,350$712,000thousands by filing date
Waste Connections941053100COM14,625$710,000thousands by filing date
BIOTELEMETRY INC090672106COM50,100$613,000thousands by filing date
Chubb Corporation171232101Equity4,779$586,000thousands by filing date
SUPER MICRO COMPUTER INC86800U104COM20,740$565,000thousands by filing date
Berkshire Hathaway Inc084670702COM4,213$549,000thousands by filing date
Schlumberger Limited806857108COM7,874$543,000thousands by filing date
LINDBLAD EXPEDITIONS HLDGS I535219109COM50,800$496,000thousands by filing date
INTERVAL LEISURE GROUP INC46113M108COM26,900$494,000thousands by filing date
Procter & Gamble Co742718109COM6,760$486,000thousands by filing date
IDEXX LABS INC COM45168D104Stock6,400$475,000thousands by filing date
SouthState Corp840441109Common Stock5,700$438,000thousands by filing date
QUOTIENT LTDG73268107SHS33,166$431,000thousands by filing date
AIR PRODS & CHEMS INC009158106COM3,320$424,000thousands by filing date
Medtronic PlcG5960L103COM6,276$420,000thousands by filing date
Coca-Cola Company191216100COM10,210$410,000thousands by filing date
PACCAR INC COM693718108Stock7,100$370,000thousands by filing date
MUELLER WTR PRODS INC COM SER A624758108Stock48,200$369,000thousands by filing date
OCLARO INC67555N206COM127,100$292,000thousands by filing date
ZYNGA INC.98986T108CL A120,800$275,000thousands by filing date
3M CO COM88579Y101Stock1,894$269,000thousands by filing date
VENTAS INC COM92276F100REIT4,719$265,000thousands by filing date
BXP INC COM101121101REIT2,200$260,000thousands by filing date
Mondelez International,Inc. Class A609207105COM6,000$251,000thousands by filing date
Lockheed Martin Corporation539830109COM1,150$238,000thousands by filing date
BIOGEN INC COM09062X103Stock690$201,000thousands by filing date
MYLAN NVN59465109SHS EURO4,995$201,000thousands by filing date

Amendment chain

FilingRoleFiledAcceptedIngested
13F-HR 0001085146-15-002279this filing2015-11-12acceptance time not in the bulk data set