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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 2016-09-30, filed 2016-11-10, with 249 holding rows worth $12,391,388,000.

Accession
0001085146-16-004733
Filed
2016-11-10
Accepted by EDGAR
acceptance time not in the bulk data set
Ingested
Source
SEC quarterly data set

Original filing

13F report for Q3 2016

A holdings report, 249 entries on the cover page, a total value of $12,391,388,000 stated on the cover page (in dollars after the unit check, H1), rows summing to $12,391,388,000 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 Inc037833100COM2,457,410$277,810,000thousands by filing date
Microsoft Corp594918104COM4,511,997$259,891,000thousands by filing date
META PLATFORMS INC CL A30303M102COM1,727,766$221,621,000thousands by filing date
JAZZ PHARMACEUTICALS PLC SHS USDG50871105Stock1,637,937$198,977,000thousands by filing date
Visa Inc92826C839COM2,364,295$195,527,000thousands by filing date
CONSTELLATION BRANDS INC CL A21036P108Stock1,171,058$194,969,000thousands by filing date
Amazon.com, Inc023135106COM230,246$192,787,000thousands by filing date
STERIS PLCG84720104SHS USD2,591,499$189,439,000thousands by filing date
NEWELL BRANDS INC COM651229106Stock3,432,925$180,778,000thousands by filing date
Alphabet Inc. Reg. Shares A02079K305COM224,386$180,420,000thousands by filing date
Alphabet Inc. Reg. Shares C02079K107COM225,035$174,917,000thousands by filing date
PALO ALTO NETWORKS INC697435105COM1,094,559$174,396,000thousands by filing date
CHARTER COMMUNICATIONS INC N16119P108COM633,894$171,132,000thousands by filing date
UNITED AIRLS HLDGS INC COM910047109Stock3,122,371$163,831,000thousands by filing date
CELGENE CORP151020104COM1,545,221$161,522,000thousands by filing date
ServiceNow,Inc.81762P102COM1,958,712$155,032,000thousands by filing date
Bristol-Myers Squibb Company110122108COM2,557,862$137,920,000thousands by filing date
METTLER TOLEDO INTERNATIONAL COM592688105Stock316,978$133,077,000thousands by filing date
Abbott Laboratories002824100COM2,973,638$125,755,000thousands by filing date
NIELSEN HOLDINGS PLCG6518L108SHS EUR2,298,874$123,151,000thousands by filing date
Salesforce.com, Inc79466L302COM1,720,650$122,734,000thousands by filing date
THE COOPER COMPANIES216648402COM NEW682,412$122,329,000thousands by filing date
Union Pacific Corporation907818108COM1,244,775$121,403,000thousands by filing date
Gilead Sciences,Inc.375558103COM1,532,818$121,277,000thousands by filing date
Dow Chemical Company260543103COM2,337,746$121,165,000thousands by filing date
Lockheed Martin Corporation539830109COM497,703$119,309,000thousands by filing date
Home Depot, Inc437076102COM926,025$119,161,000thousands by filing date
LKQ CORP COM501889208Stock3,284,303$116,461,000thousands by filing date
CELANESE CORP DEL COM150870103Stock1,716,914$114,278,000thousands by filing date
VAIL RESORTS INC COM91879Q109Stock686,845$107,752,000thousands by filing date
TJX Companies Inc872540109COM1,434,986$107,308,000thousands by filing date
MICROSEMI CORP595137100COM2,552,912$107,171,000thousands by filing date
United Parcel Service,Inc. Class B911312106COM954,061$104,336,000thousands by filing date
MARRIOTT INTL INC NEW CL A571903202Stock1,540,654$103,732,000thousands by filing date
Danaher Corporation235851102COM1,314,559$103,048,000thousands by filing date
CME Group Inc. Class A12572Q105COM963,202$100,674,000thousands by filing date
ON SEMICONDUCTOR CORP COM682189105Stock7,988,965$98,424,000thousands by filing date
TRANSDIGM GROUP INC COM893641100Stock332,409$96,106,000thousands by filing date
PAYPALHLDGSINC70450Y103STOK2,322,433$95,150,000thousands by filing date
SYNCHRONYFINL87165B103STOK3,380,543$94,655,000thousands by filing date
BIOGEN INC COM09062X103Stock301,521$94,385,000thousands by filing date
LENNOX INTL INC COM526107107Stock598,163$93,930,000thousands by filing date
UnitedHealth Group Inc91324P102COM662,497$92,750,000thousands by filing date
ASSURANT INC COM04621X108Stock943,694$87,056,000thousands by filing date
MIDDLEBYCORP596278101STOK696,864$86,146,000thousands by filing date
GENERAL ELEC CO369604103COM2,877,655$85,236,000thousands by filing date
COSTAR GROUP INC COM22160N109Stock389,832$84,410,000thousands by filing date
DOLLAR TREE INC COM256746108Stock1,057,329$83,455,000thousands by filing date
ARIAD PHARMACEUTICALS INC04033A100COM6,001,969$82,167,000thousands by filing date
TWENTY FIRST CENTY FOX INC90130A101CL A3,373,818$81,714,000thousands by filing date
FORTINET INC COM34959E109Stock2,142,664$79,129,000thousands by filing date
ICON PUB LTD CO SHSG4705A100Stock1,001,700$77,502,000thousands by filing date
Starbucks Corporation855244109COM1,428,638$77,346,000thousands by filing date
BROADCOM LTDY09827109SHS435,347$75,106,000thousands by filing date
MasterCard, Inc57636Q104COM737,739$75,080,000thousands by filing date
IHS MARKIT LTDG47567105SHS1,989,265$74,697,000thousands by filing date
MSCI INC COM55354G100Stock884,019$74,205,000thousands by filing date
Thermo Fisher Scientific Inc.883556102COM464,371$73,863,000thousands by filing date
Intel Corp458140100COM1,934,989$73,046,000thousands by filing date
WRIGHT MED GROUP N VN96617118ORD SHS2,974,989$72,976,000thousands by filing date
NEXSTAR MEDIA GROUP INC COMMON STOCK65336K103Stock1,259,006$72,657,000thousands by filing date
TRANSUNION COM89400J107Stock2,072,966$71,517,000thousands by filing date
ARAMARK COM03852U106Stock1,868,555$71,061,000thousands by filing date
KELLANOVA487836108COM901,242$69,819,000thousands by filing date
SPLUNK INC848637104COM1,182,527$69,391,000thousands by filing date
RED HAT INC756577102COM838,420$67,769,000thousands by filing date
BERRY GLOBAL GROUP INC08579W103COM1,512,348$66,316,000thousands by filing date
PRICELINE GRP INC741503403COM NEW44,755$65,857,000thousands by filing date
Chubb LimitedH1467J104COM523,306$65,753,000thousands by filing date
SABRE CORP COM78573M104Stock2,283,165$64,340,000thousands by filing date
NEUROCRINE BIOSCIENCES INC64125C109COM1,255,995$63,604,000thousands by filing date
POLYONE CORP73179P106COM1,812,117$61,268,000thousands by filing date
AFFILIATED MANAGERS GROUP COM008252108Stock414,741$60,013,000thousands by filing date
EQUINIX INC COM29444U700REIT166,215$59,879,000thousands by filing date
HD SUPPLY HLDGS INC40416M105COM1,857,266$59,395,000thousands by filing date
MASCO CORP574599106COM1,659,155$56,926,000thousands by filing date
HUNT J B TRANS SVCS INC COM445658107Stock700,403$56,831,000thousands by filing date
MERRIMACK PHARMACEUTICALS IN590328100COM8,894,008$56,477,000thousands by filing date
QUEST DIAGNOSTICS INC COM74834L100Stock661,041$55,944,000thousands by filing date
INSTALLED BLDG PRODS INC45780R101COM1,540,916$55,273,000thousands by filing date
BAKER HUGHES INC057224107COM1,051,676$53,078,000thousands by filing date
VANTIV INC92210H105CL A922,235$51,894,000thousands by filing date
MONOLITHIC PWR SYS INC COM609839105Stock631,445$50,831,000thousands by filing date
AXALTA COATING SYS LTD COMG0750C108Stock1,789,695$50,595,000thousands by filing date
EAST WEST BANCORP INC COM27579R104Stock1,327,510$48,733,000thousands by filing date
VULCAN MATLS CO COM929160109Stock428,011$48,678,000thousands by filing date
ALKERMES PLCG01767105SHS1,018,500$47,900,000thousands by filing date
SIX FLAGS ENTERTAINMENT CORP83001A102COM891,163$47,775,000thousands by filing date
CHEMTURA CORP163893209COM NEW1,442,172$47,318,000thousands by filing date
TOTAL SYS SVCS INC891906109COM998,091$47,060,000thousands by filing date
HALLIBURTON CO COM406216101Stock1,033,052$46,363,000thousands by filing date
NEKTAR THERAPEUTICS640268108COM2,661,104$45,718,000thousands by filing date
JACK IN THE BOX INC466367109COM464,828$44,596,000thousands by filing date
DEXCOM INC COM252131107Stock502,276$44,030,000thousands by filing date
Applied Materials,Inc.038222105COM1,449,454$43,701,000thousands by filing date
PINNACLE FOODS INC DEL72348P104COM870,832$43,690,000thousands by filing date
JBT MAREL CORPORATION477839104COM615,445$43,420,000thousands by filing date
SCOTTS MIRACLE-GRO CO810186106CL A514,582$42,849,000thousands by filing date
PACIRA BIOSCIENCES INC COM695127100Stock1,238,408$42,378,000thousands by filing date
TELEFLEX INCORPORATED879369106COM250,288$42,061,000thousands by filing date
RALPH LAUREN CORP751212101CL A415,162$41,989,000thousands by filing date
THE ULTIMATE SOFTWARE GROUP IN90385D107COM204,117$41,719,000thousands by filing date
TEAM HEALTH HOLDINGS INC87817A107COMMON STOCK1,267,680$41,276,000thousands by filing date
SMITH A O CORP COM831865209Stock414,993$40,997,000thousands by filing date
RAYMOND JAMES FINL INC COM754730109Stock695,089$40,461,000thousands by filing date
WATSCO INC COM942622200Stock285,072$40,167,000thousands by filing date
MACQUARIE INFRASTRUCTURE HOLDI55608B105COMMON UNITS481,462$40,077,000thousands by filing date
INTERPUBLIC GROUP COS460690100COM1,723,062$38,510,000thousands by filing date
SCRIPPS NETWORKS INTERACT IN811065101CL A COM596,975$37,902,000thousands by filing date
LIBERTY BROADBAND A530307107COMMON STOCK533,040$37,398,000thousands by filing date
ELECTRONICS FOR IMAGING INC286082102COM752,860$36,830,000thousands by filing date
BUILDERS FIRSTSOURCE INC COM12008R107Stock3,196,956$36,797,000thousands by filing date
CIENA CORP COM NEW171779309Stock1,680,066$36,625,000thousands by filing date
FORTUNE BRANDS INNOVATIONS INC COM34964C106Stock626,748$36,414,000thousands by filing date
DENTSPLY SIRONA INC24906P109COM607,384$36,097,000thousands by filing date
NORFOLK SOUTHN CORP COM655844108Stock371,100$36,019,000thousands by filing date
STARWOOD PPTY TR INC COM85571B105REIT1,593,066$35,876,000thousands by filing date
B/E AEROSPACE INC073302101COM690,112$35,651,000thousands by filing date
ALIGN TECHNOLOGY INC COM016255101Stock379,485$35,577,000thousands by filing date
GRACE W R & CO DEL NEW COM38388F108Stock475,175$35,068,000thousands by filing date
FIRST REPUBLIC BANK/SAN FRANCI33616C100COM451,234$34,795,000thousands by filing date
INTEGRA LIFESCIENCES HLDGS C457985208COM NEW419,360$34,618,000thousands by filing date
MASIMO CORP COM574795100Stock575,453$34,234,000thousands by filing date
OLD DOMINION FREIGHT LINE INC COM679580100Stock490,415$33,647,000thousands by filing date
STAG INDUSTRIAL INC85254J102COM1,370,140$33,582,000thousands by filing date
BRIGHT HORIZONS FAM SOL IN DEL COM109194100Stock496,134$33,186,000thousands by filing date
PVH CORPORATION COM693656100Stock287,905$31,814,000thousands by filing date
FLOWSERVE CORP34354P105COM649,800$31,346,000thousands by filing date
MUELLER WTR PRODS INC COM SER A624758108Stock2,481,131$31,138,000thousands by filing date
FLEETCOR TECHNOLOGIES INC339041105COM177,369$30,814,000thousands by filing date
ZENDESK INC98936J101COM1,003,275$30,811,000thousands by filing date
RYDER SYS INC COM783549108Stock463,545$30,571,000thousands by filing date
BROADSOFT INC11133B409COM648,679$30,196,000thousands by filing date
BREAD FINANCIAL HOLDINGS INC018581108COM139,407$29,907,000thousands by filing date
AGILENT TECHNOLOGIES INC COM00846U101Stock626,934$29,522,000thousands by filing date
LIONS GATE ENTMNT CORP535919203COM NEW1,471,630$29,418,000thousands by filing date
KNOLL INC498904200COM NEW1,285,025$29,363,000thousands by filing date
HILL ROM HLDGS INC431475102COM470,723$29,175,000thousands by filing date
OREILLY AUTOMOTIVE INC COM67103H107Stock104,020$29,137,000thousands by filing date
LULULEMON ATHLETICA INC550021109COM476,795$29,075,000thousands by filing date
ALLEGIANT TRAVEL CO01748X102COM219,183$28,947,000thousands by filing date
FIDELITY NATIONAL FINANCIAL31620R303FNF GROUP COM777,455$28,696,000thousands by filing date
STARZ85571Q102COM SER A919,410$28,676,000thousands by filing date
ZAYO GROUP HLDGS INC COM98919V105Stock964,135$28,644,000thousands by filing date
HURON CONSULTING GROUP INC447462102COM473,926$28,322,000thousands by filing date
MATSON INC COM57686G105Stock703,681$28,063,000thousands by filing date
EXPEDIA GROUP INC COM NEW30212P303Stock239,427$27,946,000thousands by filing date
MADISON SQUARE GRDN SPRT CORP CL A55825T103Stock157,883$26,747,000thousands by filing date
SCHEIN HENRY INC806407102COM164,110$26,747,000thousands by filing date
ESSENT GROUP LTD COMG3198U102Stock975,050$25,946,000thousands by filing date
NICE LTD SPONSORED ADR653656108ADR381,993$25,571,000thousands by filing date
WESTERN ALLIANCE BANCORP COM957638109Stock673,175$25,271,000thousands by filing date
CYBERARK SOFTWARE LTD SHSM2682V108Stock507,470$25,155,000thousands by filing date
ORBOTECH LTDM75253100ORD840,290$24,881,000thousands by filing date
HASBRO INC COM418056107Stock302,900$24,029,000thousands by filing date
HEXCEL CORP NEW428291108COM541,016$23,967,000thousands by filing date
TESORO CORP881609101COM297,510$23,670,000thousands by filing date
RUSH ENTERPRISES INC CL A781846209Stock957,842$23,448,000thousands by filing date
ULTA BEAUTY INC COM90384S303Stock98,007$23,324,000thousands by filing date
DOLLAR GEN CORP COM256677105Stock323,815$22,664,000thousands by filing date
SPIRIT AIRLS INC848577102COM532,900$22,664,000thousands by filing date
NORD ANGLIA EDUCATION INCG6583A102SHS1,025,600$22,338,000thousands by filing date
SUMMIT MATERIALS INC CLASS A86614U100CL A1,202,905$22,314,000thousands by filing date
MASTEC INC COM576323109Stock748,926$22,273,000thousands by filing date
DAVE & BUSTERS ENTMT INC238337109COM554,450$21,723,000thousands by filing date
AMERICAN WOODMARK CORP030506109COM262,878$21,180,000thousands by filing date
CHUY'S HOLDINGS INC171604101COMMON STOCK757,515$21,165,000thousands by filing date
ARRIS INTL INC SHSG0551A103SHS729,335$20,662,000thousands by filing date
COMMVAULT SYS INC COM204166102Stock385,037$20,457,000thousands by filing date
CULLEN FROST BANKERS INC COM229899109Stock273,256$19,658,000thousands by filing date
HEICO CORP NEW422806208CL A317,565$19,216,000thousands by filing date
OMNICELL COM COM68213N109Stock491,816$18,837,000thousands by filing date
BIOMARIN PHARMACEUTICAL INC09061G101COM201,575$18,650,000thousands by filing date
MARKETAXESS HLDGS INC57060D108COM112,411$18,614,000thousands by filing date
CBRE GROUP INC CL A12504L109Stock661,118$18,498,000thousands by filing date
ALNYLAM PHARMACEUTICALS INC COM02043Q107Stock271,302$18,389,000thousands by filing date
FCB Financial Holdings Inc Cla30255G103COM459,179$17,646,000thousands by filing date
CEB INC125134106COM322,277$17,554,000thousands by filing date
ACCELERON PHARMA INC00434H108COM479,885$17,367,000thousands by filing date
INTERXION HOLDING N.VN47279109SHS470,215$17,031,000thousands by filing date
SHOPIFY INC82509L107CL A SUB VTG SHS396,265$17,008,000thousands by filing date
BRUNSWICK CORP117043109COM347,066$16,930,000thousands by filing date
WNS HOLDINGS LTD92932M101SPON ADR564,040$16,893,000thousands by filing date
CARDIOME PHARMA CORP14159U301COM NO PAR5,397,007$16,893,000thousands by filing date
BGC PARTNERS INC05541T101CL A1,904,900$16,668,000thousands by filing date
PROTHENA CORP PLC SHSG72800108Stock277,150$16,621,000thousands by filing date
FLEETMATICS GROUP PLCG35569105COM269,038$16,137,000thousands by filing date
VERIFONE SYS INC92342Y109COM1,000,632$15,750,000thousands by filing date
ISLE OF CAPRI CASINOS464592104COMMON STOCK657,264$14,644,000thousands by filing date
COMMUNITY USD0.0120369C106COM631,590$13,844,000thousands by filing date
FOUR CORNERS PPTY TR INC35086T109COM623,065$13,290,000thousands by filing date
ALDER BIOPHARMACEUTICALS INC014339105COM403,075$13,209,000thousands by filing date
NATIONAL STORAGE AFFILIATES TR COM SHS BEN IN637870106REIT614,141$12,860,000thousands by filing date
Comcast Corp20030N101COM190,655$12,648,000thousands by filing date
HAIN CELESTIAL GROUP INC405217100COM312,056$11,103,000thousands by filing date
APARTMENT INVT & MGMT CO03748R101CL A239,805$11,009,000thousands by filing date
INPHI CORP45772F107COM246,957$10,745,000thousands by filing date
SITEONE LANDSCAPE SUPPLY INC82982L103COM291,995$10,491,000thousands by filing date
MARTEN TRANSPORT LTD573075108COM495,989$10,416,000thousands by filing date
PROOFPOINT INC743424103COM134,409$10,061,000thousands by filing date
UNIVAR INC91336L107COMMON STOCK417,520$9,123,000thousands by filing date
AZZ INC COM002474104Stock134,440$8,775,000thousands by filing date
Cisco Systems,Inc.17275R102COM273,595$8,678,000thousands by filing date
BRUKER CORP116794108COM380,102$8,609,000thousands by filing date
MULTI-COLOR625383104COM128,350$8,471,000thousands by filing date
HENRY JACK & ASSOC INC426281101COM92,384$7,903,000thousands by filing date
ACORDA THERAPEUTICS INC00484M106COM355,913$7,431,000thousands by filing date
TARGET CORP COM87612E106Stock106,242$7,297,000thousands by filing date
Procter & Gamble Co742718109COM71,982$6,460,000thousands by filing date
Johnson & Johnson478160104COM52,485$6,200,000thousands by filing date
Marine Harvest ASA56824R205ADR343,545$6,156,000thousands by filing date
JPMorgan Chase & Co46625H100COM92,100$6,133,000thousands by filing date
Pfizer Inc.717081103COM170,676$5,781,000thousands by filing date
PepsiCo,Inc.713448108COM52,684$5,730,000thousands by filing date
PENSKE AUTOMOTIVE GRP INC COM70959W103Stock118,345$5,702,000thousands by filing date
ARCHER DANIELS MIDLAND CO COM039483102Stock134,460$5,670,000thousands by filing date
KIMBERLY-CLARK CORP COM494368103Stock41,847$5,279,000thousands by filing date
Coca-Cola Company191216100COM123,900$5,243,000thousands by filing date
AMERICAN CAPITAL AGENCY CORP02503X105COMMON STOCK237,170$4,634,000thousands by filing date
McDonalds Corporation580135101COM37,155$4,286,000thousands by filing date
NAVIGATOR HLDGS LTD SHSY62132108Stock583,137$4,193,000thousands by filing date
CRITEO S A SPONS ADS226718104ADR116,600$4,094,000thousands by filing date
ORION S.A.L72967109COM214,595$4,022,000thousands by filing date
ISHARES TR464287648RUS 2000 GRW ETF26,880$4,002,000thousands by filing date
CROWN CASTLE INC COM22822V101REIT34,890$3,287,000thousands by filing date
BAXTER INTL INC071813109COM67,695$3,222,000thousands by filing date
Verizon Communications Inc92343V104COM37,325$1,940,000thousands by filing date
NATIONAL HEALTH INVS INC COM63633D104REIT19,230$1,509,000thousands by filing date
Walt Disney Co254687106COM15,030$1,396,000thousands by filing date
ADTRAN INC00738A106COMMON STOCK65,540$1,254,000thousands by filing date
WASTE CONNECTIONS INC COM94106B101Stock14,625$1,092,000thousands by filing date
KIRBY CORP497266106COM16,590$1,031,000thousands by filing date
Costco Wholesale Corporation22160K105COM6,170$941,000thousands by filing date
CVS Health Corporation126650100COM9,600$854,000thousands by filing date
NORTHERN TR CORP COM665859104Stock12,096$822,000thousands by filing date
Merck & Co.,Inc.58933Y105COM12,159$759,000thousands by filing date
Schlumberger Limited806857108COM8,424$662,000thousands by filing date
3M CO COM88579Y101Stock3,550$626,000thousands by filing date
EXXON MOBIL CORP30231G102COM5,640$492,000thousands by filing date
CSX Corporation126408103COM15,000$458,000thousands by filing date
LINDBLAD EXPEDITIONS HLDGS I535219109COM50,800$457,000thousands by filing date
VENTAS INC COM92276F100REIT4,719$333,000thousands by filing date
NEW MEDIA INVT GROUP INC64704V106COM21,500$333,000thousands by filing date
THE CAMPBELLS COMPANY COM134429109Stock6,000$328,000thousands by filing date
International Business Machines Corporation459200101COM2,000$318,000thousands by filing date
PROTEOSTASIS THERAPEUTICS IN74373B109COM19,695$307,000thousands by filing date
STATE STR CORP COM857477103Stock3,840$267,000thousands by filing date
Mondelez International,Inc. Class A609207105COM6,000$263,000thousands by filing date
Medtronic PlcG5960L103COM2,478$214,000thousands by filing date

Amendment chain

FilingRoleFiledAcceptedIngested
13F-HR 0001085146-16-004733this filing2016-11-10acceptance time not in the bulk data set