Westfield Capital Management Company, L.P.

Latest statistics and disclosures from WESTFIELD CAPITAL MANAGEMENT's latest quarterly 13F-HR filing:

WESTFIELD CAPITAL MANAGEMENT portfolio companies for March 2017 quarter

Company (Ticker) Portfolio Weight Share Count Price Last Trade
Apple (AAPL) 2.73 2.21M -2.00% 143.66 146.28
Facebook Inc cl a 1.94 1.59M 142.05 0.00
Jazz Pharmaceuticals 1.72 1.38M +9.00% 145.13 0.00
Microsoft Corporation (MSFT) 1.70 3.01M -12.00% 65.86 71.21
Amazon (AMZN) 1.69 222453 +5.00% 886.54 1003.74
Visa (V) 1.58 2.08M -2.00% 88.87 95.58
Marriott International (MAR) 1.51 1.86M +5.00% 94.18 104.06
Celgene Corporation (CELG) 1.50 1.40M -2.00% 124.43 134.31
Alphabet Inc Class A cs 1.45 198738 -2.00% 847.80 0.00
Steris 1.43 2.39M 69.46 0.00
Alphabet Inc Class C cs 1.42 199329 -2.00% 829.56 0.00
salesforce (CRM) 1.35 1.91M -15.00% 82.49 88.62
Newell Rubbermaid (NWL) 1.26 3.11M +4.00% 47.17 53.10
AMETEK (AME) 1.24 2.67M +16.00% 54.08 60.43
Walt Disney Company (DIS) 1.23 1.26M +54.00% 113.39 104.36
Dow Chemical Company (DOW) 1.19 2.17M -18.00% 63.54 63.47
Constellation Brands (STZ) 1.14 819134 +16.00% 162.07 184.57
UnitedHealth (UNH) 1.09 775335 +29.00% 164.01 185.25
Vail Resorts (MTN) 1.04 632930 -8.00% 191.90 211.28
Servicenow 1.03 1.37M -18.00% 87.47 0.00
McDonald's Corporation (MCD) 1.00 896992 -3.00% 129.61 154.64
Charter Communications Inc New Cl A cl a 0.99 351558 -19.00% 327.32 0.00
Abbott Laboratories (ABT) 0.98 2.58M -17.00% 44.41 49.08
Mettler-Toledo International (MTD) 0.96 233664 -24.00% 478.91 599.64
Hldgs Inc 0.95 1.56M -25.00% 70.64 0.00
Adobe Systems Incorporated (ADBE) 0.94 839959 +43.00% 130.13 145.41
Danaher Corporation (DHR) 0.89 1.21M +19.00% 85.53 85.66
Charles Schwab Corporation (SCHW) 0.88 2.52M +69.00% 40.81 41.62
United Parcel Service (UPS) 0.87 941891 +8.00% 107.30 110.27
Delphi Automotive Plc shs 0.86 1.24M +28.00% 80.49 0.00
Celanese Corporation (CE) 0.85 1.10M -24.00% 89.85 93.56
Biogen Idec (BIIB) 0.84 359107 NEW 273.42 280.32
Nektar Therapeutics (NKTR) 0.81 4.03M -3.00% 23.47 19.99
Broad 0.81 430427 +10.00% 218.96 0.00
CME (CME) 0.79 770348 -6.00% 118.80 124.12
Cooper Companies (COO) 0.79 461923 -3.00% 199.89 246.19
Twenty-first Century Fox 0.76 2.75M +17.00% 32.39 0.00
Paypal Holdings 0.75 2.03M -3.00% 43.02 0.00
S&p Global 0.75 666502 NEW 130.74 0.00
Icon 0.65 942754 +2.00% 79.72 0.00
Nexstar Broadcasting (NXST) 0.64 1.07M -8.00% 70.15 57.90
Intercontinentalexchange 0.64 1.24M NEW 59.87 0.00
General Electric Company (GE) 0.63 2.45M -6.00% 29.80 27.57
Applied Materials (AMAT) 0.63 1.90M 38.90 44.09
Middleby Corporation (MIDD) 0.63 537165 -15.00% 136.45 121.56
Pacira Pharmaceuticals, Inc. 0.63 1.61M 45.60 0.00
MasterCard Incorporated (MA) 0.62 643716 -2.00% 112.47 124.01
TransDigm Group Incorporated (TDG) 0.62 325439 +6.00% 220.16 268.12
priceline.com Incorporated (PCLN) 0.59 38840 -2.00% 1779.97 1874.28
Hill-Rom Holdings (HRC) 0.59 971350 -4.00% 70.60 80.53
Berry Plastics 0.59 1.42M -7.00% 48.57 0.00
Transunion 0.59 1.80M -5.00% 38.35 0.00
Lions Gate Entmnt Corp cl b non vtg 0.59 2.81M +78.00% 24.38 0.00
J.B. Hunt Transport Services (JBHT) 0.58 732503 -20.00% 91.74 86.78
Installed Bldg Prods 0.57 1.25M -16.00% 52.75 0.00
Wright Medical Group Nv 0.57 2.13M -22.00% 31.12 0.00
CoStar (CSGP) 0.55 309258 -4.00% 207.22 266.93
ON Semiconductor (ONNN) 0.55 4.15M -34.00% 15.49 13.00
Ihs Markit Ltd Shs stock 0.55 1.54M -22.00% 41.95 0.00
Bristol Myers Squibb (BMY) 0.54 1.15M -52.00% 54.38 56.64
Union Pacific Corporation (UNP) 0.54 589037 -53.00% 105.92 108.10
Hd Supply 0.54 1.53M -13.00% 41.13 0.00
Scripps Networks Interactive (SNI) 0.53 790510 -11.00% 78.37 67.40
Ciena Corporation (CIEN) 0.52 2.58M +5.00% 23.61 26.42
Tesoro Corporation (TSO) 0.51 740032 +2.00% 81.06 92.28
Pinnacle Foods Inc De 0.51 1.04M -9.00% 57.87 0.00
Six Flags Entertainment (SIX) 0.50 980622 +72.00% 59.49 60.06
Arthur J. Gallagher & Co. (AJG) 0.49 1.01M +40.00% 56.54 56.71
Lennox International (LII) 0.49 342205 -37.00% 167.30 187.61
Cyrusone 0.49 1.11M +82.00% 51.47 0.00
Cognizant Technology Solutions (CTSH) 0.48 942064 +372.00% 59.52 67.38
Ryder System (R) 0.48 742483 +4.00% 75.44 68.51
NIKE (NKE) 0.48 1.00M NEW 55.73 52.85
Red Hat (RHT) 0.47 632286 -13.00% 86.50 99.42
Dex (DXCM) 0.47 652341 -12.00% 84.73 77.33
Fortinet (FTNT) 0.47 1.43M -24.00% 38.35 38.29
Nielsen Hldgs Plc Shs Eur stock 0.47 1.34M -29.00% 41.31 0.00
Sealed Air (SEE) 0.45 1.20M +26.00% 43.58 44.83
MSCI (MSCI) 0.45 533829 -21.00% 97.19 104.72
Alliance Data Systems Corporation (ADS) 0.45 209407 +104.00% 249.00 261.25
Avery Dennison Corporation (AVY) 0.44 638946 NEW 80.60 88.05
Neurocrine Biosciences (NBIX) 0.44 1.19M -14.00% 43.30 47.35
Axalta Coating Sys 0.44 1.59M -16.00% 32.20 0.00
Cavium Inc 0.43 695915 +120.00% 71.66 0.00
Lumentum Hldgs 0.43 932275 +99.00% 53.35 0.00
Microsemi Corporation (MSCC) 0.41 918736 -16.00% 51.53 48.40
stock 0.41 770427 62.29 0.00
Total System Services (TSS) 0.40 881578 -15.00% 53.46 58.77
Quest Diagnostics Incorporated (DGX) 0.40 479334 -30.00% 98.19 109.70
John Bean Technologies Corporation (JBT) 0.39 512802 -15.00% 87.95 94.10
East West Ban (EWBC) 0.38 866439 -17.00% 51.61 56.21
Vantiv Inc Cl A 0.38 687110 -5.00% 64.12 0.00
Klx Inc Com $0.01 0.38 989110 +266.00% 44.70 0.00
Alexion Pharmaceuticals (ALXN) 0.37 359212 NEW 121.24 126.07
Progressive Corporation (PGR) 0.36 1.07M NEW 39.18 44.39
Valero Energy Corporation (VLO) 0.36 629966 -2.00% 66.29 65.98
Builders FirstSource (BLDR) 0.36 2.82M -15.00% 14.90 15.10
Kellogg Company (K) 0.35 566292 -9.00% 72.61 70.56
Nice Systems (NICE) 0.35 601536 +62.00% 67.98 79.64
Monster Beverage Corp Com stock 0.35 875395 NEW 46.17 0.00
Raymond James Financial (RJF) 0.34 513209 -20.00% 76.26 76.62
Allegiant Travel Company (ALGT) 0.34 247331 -15.00% 160.25 141.75
First Republic Bank/san F 0.34 420247 -20.00% 93.81 0.00
Ptc 0.34 757046 NEW 52.55 0.00
Vertex Pharmaceuticals Incorporated (VRTX) 0.33 355880 NEW 109.35 133.50
LKQ Corporation (LKQX) 0.33 1.30M -48.00% 29.27 0.00
Watsco, Incorporated (WSO) 0.33 271917 -42.00% 143.18 155.46
Electronics For Imaging (EFII) 0.33 789935 +33.00% 48.83 48.47
W.R. Grace & Co. (GRA) 0.33 557155 +8.00% 69.71 70.25
Macquarie Infrastructure Company (MIC) 0.33 479018 +4.00% 80.58 78.35
Stag Industrial Inc Com 0.33 1.53M -11.00% 25.02 0.00
Bright Horizons Fam Sol In D 0.33 531787 +7.00% 72.49 0.00
Crane (CR) 0.32 496420 74.83 79.26
Omnicell (OMCL) 0.32 925244 +29.00% 40.65 44.40
Masimo Corporation (MASI) 0.32 402920 -25.00% 93.26 93.94
Summit Matls Inc cl a 0.30 1.42M -7.00% 24.71 0.00
Old Dominion Freight Line (ODFL) 0.29 394052 -16.00% 85.57 92.14
A. O. Smith Corporation (AOS) 0.29 662162 -15.00% 51.16 56.36
Zayo Group Hldgs 0.29 1.03M 32.90 0.00
BroadSoft (BSFT) 0.28 802544 +14.00% 40.20 43.90
Fcb Financial Holdings-cl A 0.28 661497 +4.00% 49.55 0.00
Via (VIA.B) 0.27 671750 NEW 46.62 0.00
Flowserve Corporation (FLS) 0.27 658358 +90.00% 48.42 44.47
Spirit Airlines Inc Com 0.27 585955 53.07 0.00
Dunkin' Brands Group 0.27 581064 NEW 54.68 0.00
Baker Hughes Incorporated (BHI) 0.26 499210 -48.00% 59.82 53.99
Acceleron Pharma 0.26 1.15M -8.00% 26.47 0.00
Integra LifeSciences Holdings (IART) 0.25 683625 +96.00% 42.13 54.34
Kate Spade & Co 0.25 1.24M NEW 23.23 0.00
Zendesk 0.25 1.03M -12.00% 28.04 0.00
Eldorado Resorts 0.25 1.52M +23.00% 18.93 0.00
Western Refining (WNR) 0.24 806620 +12.00% 35.07 36.18
Dana Holding Corporation (DAN) 0.24 1.43M NEW 19.31 21.18
O'reilly Automotive Inc 0.24 105256 -3.00% 269.84 0.00
Essent 0.24 762310 NEW 36.17 0.00
Madison Square Garden Cl A 0.24 138055 -12.00% 199.71 0.00
Vulcan Materials Company (VMC) 0.23 225770 +9.00% 120.48 132.23
Brunswick Corporation (BC) 0.23 434226 +14.00% 61.20 62.52
Monolithic Power Systems (MPWR) 0.23 292031 -17.00% 92.10 98.58
Interxion Holding N.v shs 0.23 678085 39.56 0.00
Liberty Broadband Corporation 0.23 319885 -16.00% 85.09 0.00
Hexcel Corporation (HXL) 0.22 477010 +15.00% 54.55 51.59
Proofpoint 0.22 341034 +46.00% 74.36 0.00
Fidelity National Information Services (FIS) 0.21 301640 NEW 79.62 84.84
Sotheby's (BID) 0.21 534965 +24.00% 45.48 54.99
Orbotech Ltd Com Stk 0.21 741042 +22.00% 32.25 0.00
Clovis Oncology 0.21 375530 -12.00% 63.67 0.00
BioMarin Pharmaceutical (BMRN) 0.20 264005 +11.00% 87.78 95.00
Live Nation Entertainment (LYV) 0.20 762480 -14.00% 30.37 34.84
RealPage (RP) 0.20 683878 -15.00% 34.90 37.70
Cyberark Software Ltd shs 0.20 459190 -18.00% 50.87 0.00
Univar 0.20 762059 30.66 0.00
Bmc Stk Hldgs Inc Com Added 0.20 1.05M NEW 22.60 0.00
Bioverativ Inc Com equity 0.20 428834 NEW 54.46 0.00
MGIC Investment (MTG) 0.19 2.13M +149.00% 10.13 10.87
Affiliated Managers (AMG) 0.19 137838 +2495.00% 163.94 161.27
Gartner (IT) 0.19 208065 NEW 107.99 123.98
Ultimate Software (ULTI) 0.19 114666 195.21 222.16
MGM Resorts International. (MGM) 0.19 811280 NEW 27.40 34.16
Sun Communities (SUI) 0.19 277469 +107.00% 80.33 89.88
Alkermes Plc 0.19 373170 -9.00% 58.50 0.00
Dave & Buster's Entertainmnt, * 0.19 365153 -40.00% 61.09 0.00
Bank Of Nt Butterfield&son L shs 0.19 710155 NEW 31.91 0.00
SVB Financial (SIVB) 0.18 115560 +2.00% 186.09 170.84
Mueller Water Products (MWA) 0.18 1.75M -35.00% 11.82 11.46
WNS (WNS) 0.18 738180 +27.00% 28.61 33.41
Western Alliance Bancorporation (WAL) 0.18 418760 -17.00% 49.09 46.98
MarketAxess Holdings (MKTX) 0.18 111446 187.49 201.39
Arris 0.18 782334 -7.00% 26.45 0.00
Aclaris Therapeutics 0.18 695502 +55.00% 29.82 0.00
Rush Enterprises (RUSHA) 0.17 610826 -26.00% 33.08 35.24
Hain Celestial (HAIN) 0.17 534171 +10.00% 37.20 31.60
CommVault Systems (CVLT) 0.17 380069 50.80 58.20
Pvh Corporation 0.17 192290 -8.00% 103.47 0.00
Tableau Software Inc Cl A 0.17 404484 49.55 0.00
Nord Anglia Education 0.17 772295 -16.00% 25.34 0.00
Cypress Semiconductor Corporation (CY) 0.16 1.37M -39.00% 13.76 13.31
Ulta Salon, Cosmetics & Fragrance (ULTA) 0.16 64566 -9.00% 285.23 284.71
Columbia Ppty Tr 0.16 845920 NEW 22.25 0.00
Crown Castle Intl 0.16 194183 -3.00% 94.45 0.00
Acushnet Holdings Corp Com Added 0.16 1.09M 17.28 0.00
Isle of Capri Casinos (ISLE) 0.15 643389 26.36 22.98
Senior Housing Properties Trust (SNH) 0.15 845150 NEW 20.25 21.70
Pacific Premier Ban (PPBI) 0.15 458532 NEW 38.55 35.00
Expedia 0.15 140840 -5.00% 126.17 0.00
National Storage Affiliates shs ben int 0.15 747577 -5.00% 23.90 0.00
Life Storage Inc reit 0.15 214188 +28.00% 82.12 0.00
AutoNation (AN) 0.14 399045 -5.00% 42.29 39.52
Micron Technology (MU) 0.14 562270 NEW 28.90 31.73
Knoll (KNL) 0.14 697620 -50.00% 23.81 19.80
Te Connectivity Ltd for 0.14 224140 NEW 74.55 0.00
Lam Research Corporation (LRCX) 0.13 114635 NEW 128.36 151.78
Lithia Motors (LAD) 0.13 177758 NEW 85.65 87.79
Palo Alto Networks 0.13 138569 -78.00% 112.68 0.00
Cardiome Pharma 0.13 4.89M -3.00% 3.01 0.00
Comcast Corporation (CMCSA) 0.12 368440 +98.00% 37.59 39.50
Integrated Device Technology (IDTI) 0.12 568505 NEW 23.67 25.05
Matson 0.12 441500 -10.00% 31.76 0.00
Chuys Hldgs 0.12 481709 -32.00% 29.80 0.00
Genes (GCO) 0.11 224802 +35.00% 55.45 32.90
Nxp Semiconductors N V 0.11 119066 NEW 103.50 0.00
Prothena 0.11 239194 -27.00% 55.79 0.00
Marten Transport (MRTN) 0.10 506089 +3.00% 23.45 27.15
Euronet Worldwide (EEFT) 0.09 128060 -50.00% 85.52 88.06
Lululemon Athletica Inc 0.09 200720 -45.00% 51.87 0.00
iRobot Corporation (IRBT) 0.09 161338 NEW 66.14 101.20
Community Healthcare Tr 0.09 455027 -10.00% 23.90 0.00
Cisco Systems (CSCO) 0.08 267695 33.80 32.09
Medicines Company (MDCO) 0.08 194000 NEW 48.90 38.60
IPG Photonics Corporation (IPGP) 0.08 81165 NEW 120.70 146.83
Four Corners Ppty Tr 0.08 413420 -48.00% 22.83 0.00
JPMorgan Chase & Co. (JPM) 0.07 91740 87.84 86.86
Verizon Communications (VZ) 0.07 163885 +363.00% 48.75 45.39
Jack Henry & Associates (JKHY) 0.07 90379 93.10 105.60
ACADIA Pharmaceuticals (ACAD) 0.07 238694 NEW 34.38 29.24
Tesaro 0.07 55263 NEW 153.86 0.00
La Jolla Pharmaceuticl Com Par 0.07 268290 NEW 29.85 0.00
Alder Biopharmaceuticals 0.07 397350 20.80 0.00
Seattle Genetics (SGEN) 0.06 112260 NEW 62.86 61.74
Best Buy (BBY) 0.06 146965 NEW 49.15 55.18
Natural Grocers By Vitamin C 0.06 650855 NEW 10.39 0.00
Kimberly-Clark Corporation (KMB) 0.05 41277 131.62 132.30
Intel Corporation (INTC) 0.05 158657 -93.00% 36.07 34.19
Western Digital (WDC) 0.05 75930 82.54 93.34
Merck & Co (MRK) 0.05 90534 +644.00% 63.55 66.16
Penske Automotive (PAG) 0.05 123705 46.81 41.42
CNO Financial (CNO) 0.05 282995 -82.00% 20.50 19.84
Motorola Solutions (MSI) 0.05 62130 NEW 86.22 88.64
Microchip Technology (MCHP) 0.04 56955 73.78 81.59
Thermo Fisher Scientific (TMO) 0.04 30671 -92.00% 153.60 174.44
Industries N shs - a - 0.04 55080 NEW 91.19 0.00
Orion Engineered Carbons 0.04 217665 20.50 0.00
International Paper Company (IP) 0.03 64065 NEW 50.78 56.85
Lockheed Martin Corporation (LMT) 0.03 13718 -47.00% 267.60 280.64
Gilead Sciences (GILD) 0.03 45465 -96.00% 67.92 70.52
Baxter International (BAX) 0.02 40745 -10.00% 51.86 61.38
Inphi Corporation (IPHI) 0.02 36930 -87.00% 48.82 38.97
Chubb 0.02 15140 -97.00% 136.26 0.00
CSX Corporation (CSX) 0.01 15000 46.53 52.65
Schlumberger (SLB) 0.01 8424 78.11 65.93
Kirby Corporation (KEX) 0.01 16590 70.52 64.75
Multi-Color Corporation (LABL) 0.01 20641 -90.00% 71.02 83.80
Chemtura Corporation (CHMT) 0.01 42730 33.40 33.50
M/a 0.01 27010 NEW 48.32 0.00
Sabre 0.01 44940 -98.00% 21.18 0.00
Waste Connections Inc Com stock 0.01 14625 88.21 0.00
Lions Gate Entmnt Corp cl a vtg 0.01 27795 -97.00% 26.55 0.00
State Street Corporation (STT) 0.00 3840 79.69 87.24
International Business Machines (IBM) 0.00 2000 174.00 154.11
Agilent Technologies Inc C ommon 0.00 6300 NEW 52.86 0.00
Freeport-McMoRan Copper & Gold (FCX) 0.00 25000 NEW 13.36 11.76
Netflix (NFLX) 0.00 2300 NEW 147.83 158.02
Ventas (VTR) 0.00 4719 65.06 71.72
SPDR Gold Trust (GLD) 0.00 4200 NEW 118.81 119.43
Hudson Technologies (HDSN) 0.00 40000 6.60 7.95
Contrafect 0.00 149600 NEW 1.80 0.00
Pra Health Sciences 0.00 6900 NEW 65.22 0.00
Paragon Commercial Corporation 0.00 6900 NEW 53.48 0.00