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 December 2016 quarter

Company (Ticker) Portfolio Weight Share Count Price Last Trade
Apple (AAPL) 2.29 2.26M -8.00% 115.82 140.64
Microsoft Corporation (MSFT) 1.89 3.46M -23.00% 62.14 64.98
Facebook Inc cl a 1.58 1.57M -9.00% 115.05 0.00
Visa (V) 1.46 2.14M -9.00% 78.02 89.19
Celgene Corporation (CELG) 1.46 1.44M -6.00% 115.75 123.38
Steris 1.44 2.44M -5.00% 67.39 0.00
Alphabet Inc Class A cs 1.42 204276 -8.00% 792.45 0.00
Alphabet Inc Class C cs 1.39 204903 -8.00% 771.82 0.00
Amazon (AMZN) 1.38 210628 -8.00% 749.87 845.61
salesforce (CRM) 1.36 2.27M +31.00% 68.46 81.61
Dow Chemical Company (DOW) 1.34 2.67M +14.00% 57.22 63.08
Hldgs Inc 1.34 2.10M -32.00% 72.88 0.00
Marriott International (MAR) 1.28 1.76M +14.00% 82.68 93.50
Bristol Myers Squibb (BMY) 1.24 2.41M -5.00% 58.44 55.89
Jazz Pharmaceuticals 1.20 1.26M -23.00% 109.03 0.00
Union Pacific Corporation (UNP) 1.16 1.28M +2.00% 103.68 103.96
Newell Rubbermaid (NWL) 1.16 2.97M -13.00% 44.65 47.67
Mettler-Toledo International (MTD) 1.14 311446 418.56 478.59
Charter Communications Inc New Cl A cl a 1.11 438133 -30.00% 287.92 0.00
Servicenow 1.10 1.69M -13.00% 74.34 0.00
Abbott Laboratories (ABT) 1.05 3.13M +5.00% 38.41 44.73
Celanese Corporation (CE) 1.01 1.46M -14.00% 78.74 89.47
McDonald's Corporation (MCD) 0.99 925379 +2390.00% 121.72 129.34
Vail Resorts (MTN) 0.98 695407 161.31 187.53
AMETEK (AME) 0.98 2.29M NEW 48.60 53.42
Constellation Brands (STZ) 0.94 701622 -40.00% 153.31 164.06
Gilead Sciences (GILD) 0.88 1.40M -8.00% 71.61 67.51
United Parcel Service (UPS) 0.87 867751 -9.00% 114.64 105.05
UnitedHealth (UNH) 0.84 600425 -9.00% 160.04 165.00
CME (CME) 0.83 821295 -14.00% 115.35 119.88
TJX Companies (TJX) 0.83 1.26M -12.00% 75.13 78.43
J.B. Hunt Transport Services (JBHT) 0.79 925636 +32.00% 97.07 90.27
Chubb 0.77 663586 +26.00% 132.12 0.00
Walt Disney Company (DIS) 0.75 819064 +5349.00% 104.22 112.14
Intel Corporation (INTC) 0.75 2.37M +22.00% 36.27 35.16
Lennox International (LII) 0.74 547310 -8.00% 153.17 169.64
General Electric Company (GE) 0.73 2.64M -8.00% 31.60 29.72
Cooper Companies (COO) 0.73 478506 -29.00% 174.93 199.80
Paypal Holdings 0.73 2.10M -9.00% 39.47 0.00
Middleby Corporation (MIDD) 0.72 638125 -8.00% 128.81 136.33
ON Semiconductor (ONNN) 0.71 6.38M -20.00% 12.76 13.00
Palo Alto Networks 0.71 651090 -40.00% 125.05 0.00
Nielsen Hldgs Plc Shs Eur stock 0.70 1.90M -17.00% 41.95 0.00
Danaher Corporation (DHR) 0.69 1.01M -23.00% 77.84 86.01
LKQ Corporation (LKQX) 0.68 2.52M -23.00% 30.65 0.00
TransDigm Group Incorporated (TDG) 0.67 306976 -7.00% 248.96 210.04
Berry Plastics 0.66 1.53M 48.73 0.00
Hd Supply 0.66 1.76M -5.00% 42.51 0.00
Nexstar Broadcasting (NXST) 0.65 1.17M -7.00% 63.30 69.80
Synchrony Financial 0.63 2.00M -40.00% 36.27 0.00
Watsco, Incorporated (WSO) 0.61 473519 +66.00% 148.12 144.82
Ihs Markit Ltd Shs stock 0.61 1.98M 35.41 0.00
MasterCard Incorporated (MA) 0.60 661385 -10.00% 103.25 111.98
Icon 0.60 916280 -8.00% 75.20 0.00
Broad 0.60 389838 -10.00% 176.77 0.00
Delphi Automotive Plc shs 0.57 966197 NEW 67.35 0.00
Twenty-first Century Fox 0.57 2.33M -30.00% 28.04 0.00
Quest Diagnostics Incorporated (DGX) 0.56 690181 +4.00% 91.90 98.70
Scripps Networks Interactive (SNI) 0.56 896775 +50.00% 71.37 78.55
Baker Hughes Incorporated (BHI) 0.55 960832 -8.00% 64.97 58.99
Tesoro Corporation (TSO) 0.55 719855 +141.00% 87.45 80.28
Wright Medical Group Nv 0.55 2.74M -7.00% 22.98 0.00
Applied Materials (AMAT) 0.54 1.89M +30.00% 32.27 38.97
Ariad Pharmaceuticals (ARIA) 0.54 4.96M -17.00% 12.44 23.99
Pinnacle Foods Inc De 0.54 1.14M +31.00% 53.45 0.00
Aramark Hldgs 0.54 1.74M -7.00% 35.72 0.00
Installed Bldg Prods 0.54 1.50M -2.00% 41.30 0.00
Adobe Systems Incorporated (ADBE) 0.53 585098 NEW 102.95 127.70
CoStar (CSGP) 0.53 323036 -17.00% 188.49 207.74
Microsemi Corporation (MSCC) 0.52 1.10M -56.00% 53.97 51.59
Ciena Corporation (CIEN) 0.52 2.44M +45.00% 24.41 23.61
Transunion 0.52 1.91M -8.00% 30.93 0.00
Charles Schwab Corporation (SCHW) 0.51 1.49M NEW 39.47 40.02
Thermo Fisher Scientific (TMO) 0.51 413116 -11.00% 141.10 154.04
priceline.com Incorporated (PCLN) 0.51 39857 -10.00% 1466.07 1753.11
Sabre 0.51 2.35M +3.00% 24.95 0.00
Hill-Rom Holdings (HRC) 0.50 1.02M +116.00% 56.14 70.13
Fortinet (FTNT) 0.50 1.88M -12.00% 30.12 36.30
MSCI (MSCI) 0.47 680994 -22.00% 78.78 97.44
East West Ban (EWBC) 0.47 1.05M -20.00% 50.83 50.48
Neurocrine Biosciences (NBIX) 0.47 1.39M +10.00% 38.70 41.98
Ryder System (R) 0.46 707608 +52.00% 74.44 72.39
John Bean Technologies Corporation (JBT) 0.46 609375 85.95 88.00
Total System Services (TSS) 0.45 1.05M +5.00% 49.03 51.81
Nektar Therapeutics (NKTR) 0.45 4.19M +57.00% 12.27 22.42
Pacira Pharmaceuticals, Inc. 0.45 1.60M +29.00% 32.30 0.00
Axalta Coating Sys 0.45 1.89M +5.00% 27.20 0.00
Red Hat (RHT) 0.44 726960 -13.00% 69.70 82.96
Ralph Lauren Corp 0.44 551305 +32.00% 90.32 0.00
Allegiant Travel Company (ALGT) 0.43 291724 +33.00% 166.40 162.50
First Republic Bank/san F 0.43 529642 +17.00% 92.14 0.00
Halliburton Company (HAL) 0.42 890699 -13.00% 54.09 49.41
Kellogg Company (K) 0.40 625143 -30.00% 73.71 73.00
Valero Energy Corporation (VLO) 0.39 645583 NEW 68.32 65.78
Raymond James Financial (RJF) 0.39 647824 -6.00% 69.27 74.68
Dex (DXCM) 0.39 748796 +49.00% 59.70 82.62
Sealed Air (SEE) 0.38 946970 NEW 45.34 44.67
Vantiv Inc Cl A 0.38 728945 -20.00% 59.62 0.00
Stag Industrial Inc Com 0.36 1.72M +25.00% 23.87 0.00
Knoll (KNL) 0.35 1.42M +10.00% 27.93 23.38
Old Dominion Freight Line (ODFL) 0.35 469480 -4.00% 85.79 84.73
stock 0.34 760985 -35.00% 51.15 0.00
Lions Gate Entmnt Corp cl b non vtg 0.34 1.58M NEW 24.54 0.00
Arthur J. Gallagher & Co. (AJG) 0.33 715978 NEW 51.96 56.44
Macquarie Infrastructure Company (MIC) 0.33 456740 -5.00% 81.70 79.63
A. O. Smith Corporation (AOS) 0.33 787476 +89.00% 47.35 51.23
Mueller Water Products (MWA) 0.32 2.71M +9.00% 13.31 11.81
Builders FirstSource (BLDR) 0.32 3.36M +5.00% 10.97 14.44
Masimo Corporation (MASI) 0.32 539713 -6.00% 67.40 93.22
Merrimack Pharmaceuticals In 0.32 9.07M +2.00% 4.08 0.00
Summit Matls Inc cl a 0.32 1.54M +27.00% 23.79 0.00
Jack in the Box (JACK) 0.31 312788 -32.00% 111.64 100.18
Crane (CR) 0.31 489040 NEW 72.12 72.38
W.R. Grace & Co. (GRA) 0.30 513105 +7.00% 67.64 68.49
Six Flags Entertainment (SIX) 0.30 568582 -36.00% 59.96 58.61
Spirit Airlines Inc Com 0.30 588075 +10.00% 57.86 0.00
Bright Horizons Fam Sol In D 0.30 495804 70.02 0.00
Dave & Buster's Entertainmnt, * 0.30 610745 +10.00% 56.30 0.00
Zayo Group Hldgs 0.29 1.01M +5.00% 32.86 0.00
Acceleron Pharma 0.28 1.25M +160.00% 25.52 0.00
Interpublic Group of Companies (IPG) 0.27 1.32M -23.00% 23.41 24.16
CNO Financial (CNO) 0.27 1.63M NEW 19.15 20.20
O'reilly Automotive Inc 0.27 109284 +5.00% 278.41 0.00
Monolithic Power Systems (MPWR) 0.26 355277 -43.00% 81.93 91.43
Integra LifeSciences Holdings (IART) 0.26 348146 -16.00% 85.79 42.74
Fcb Financial Holdings-cl A 0.26 630429 +37.00% 47.70 0.00
BroadSoft (BSFT) 0.25 699259 +7.00% 41.25 41.75
Norfolk Southern (NSC) 0.24 254893 -31.00% 108.07 110.66
Western Refining (WNR) 0.24 718890 NEW 37.85 34.66
Cyrusone 0.24 607621 NEW 44.73 0.00
Liberty Broadband Corporation 0.24 383545 -28.00% 72.46 0.00
Madison Square Garden Cl A 0.24 157200 171.51 0.00
Vulcan Materials Company (VMC) 0.23 206550 -51.00% 125.15 112.74
Electronics For Imaging (EFII) 0.23 591135 -21.00% 43.86 46.83
Cypress Semiconductor Corporation (CY) 0.23 2.26M NEW 11.44 14.45
Rush Enterprises (RUSHA) 0.23 832231 -13.00% 31.90 31.93
Scotts Miracle-Gro Company (SMG) 0.23 278482 -45.00% 95.55 92.65
Cyberark Software Ltd shs 0.23 566335 +11.00% 45.50 0.00
Western Alliance Bancorporation (WAL) 0.22 508345 -24.00% 48.71 47.65
Align Technology (ALGN) 0.22 259323 -31.00% 96.13 113.87
KLA-Tencor Corporation (KLAC) 0.22 320400 NEW 78.68 95.72
Nice Systems (NICE) 0.22 370023 -3.00% 68.76 67.13
Zendesk 0.22 1.18M +17.00% 21.20 0.00
Arris 0.22 844059 +15.00% 30.13 0.00
Lions Gate Entmnt Corp cl a vtg 0.22 953678 NEW 26.90 0.00
Starwood Property Trust (STWD) 0.21 1.08M -32.00% 21.95 22.70
Live Nation Entertainment (LYV) 0.21 887960 NEW 26.60 29.56
Omnicell (OMCL) 0.21 713546 +45.00% 33.90 39.85
Lululemon Athletica Inc 0.21 367218 -22.00% 64.99 0.00
RealPage (RP) 0.21 810983 NEW 30.00 34.85
Interxion Holding N.v shs 0.21 684700 +45.00% 35.07 0.00
Alliance Data Systems Corporation (ADS) 0.20 102192 -26.00% 228.50 243.79
Alkermes Plc 0.20 410415 -59.00% 55.58 0.00
Chuys Hldgs 0.20 716215 -5.00% 32.45 0.00
Dentsply Sirona 0.20 389619 -35.00% 57.73 0.00
Ultimate Software (ULTI) 0.19 115889 -43.00% 182.35 190.39
Teleflex Incorporated (TFX) 0.19 136241 -45.00% 161.15 194.87
Hexcel Corporation (HXL) 0.19 411916 -23.00% 51.44 52.89
HEICO Corporation (HEI.A) 0.19 316805 67.90 0.00
Nord Anglia Education 0.19 920480 -10.00% 23.30 0.00
Univar 0.19 763190 +82.00% 28.37 0.00
Acushnet Holdings Corp Com Added 0.19 1.10M NEW 19.71 0.00
AutoNation (AN) 0.18 421780 NEW 48.65 42.27
Brunswick Corporation (BC) 0.18 377721 +8.00% 54.54 61.46
Orbotech Ltd Com Stk 0.18 605477 -27.00% 33.41 0.00
Eldorado Resorts 0.18 1.24M NEW 16.95 0.00
BioMarin Pharmaceutical (BMRN) 0.17 236470 +17.00% 82.84 87.37
SVB Financial (SIVB) 0.17 113266 NEW 171.66 177.94
American Woodmark Corporation (AMWD) 0.17 259843 75.25 89.80
BGC Partners (BGCP) 0.17 1.88M 10.23 10.84
Hain Celestial (HAIN) 0.17 482179 +54.00% 39.03 37.00
CommVault Systems (CVLT) 0.17 381277 51.40 49.10
Cavium Inc 0.17 315750 NEW 62.44 0.00
Pvh Corporation 0.17 210000 -27.00% 90.24 0.00
Clovis Oncology 0.17 429185 NEW 44.42 0.00
Cullen/Frost Bankers (CFR) 0.16 205291 -24.00% 88.23 85.52
Herman Miller (MLHR) 0.16 540245 NEW 34.20 31.40
Euronet Worldwide (EEFT) 0.16 259675 NEW 72.43 83.54
Ulta Salon, Cosmetics & Fragrance (ULTA) 0.16 71227 -27.00% 254.95 281.53
Shopify Inc cl a 0.16 418390 +5.00% 42.87 0.00
Lumentum Hldgs 0.16 466190 NEW 38.65 0.00
Sotheby's (BID) 0.15 428585 NEW 39.86 46.51
Flowserve Corporation (FLS) 0.15 345365 -46.00% 48.05 45.65
Huron Consulting (HURN) 0.15 333522 -29.00% 50.65 41.55
Multi-Color Corporation (LABL) 0.15 223330 +74.00% 77.60 69.85
Fortune Brands 0.15 320249 -48.00% 53.46 0.00
Expedia 0.15 149380 -37.00% 113.28 0.00
Matson 0.15 493345 -29.00% 35.39 0.00
Tableau Software Inc Cl A 0.15 404685 NEW 42.15 0.00
Crown Castle Intl 0.15 200330 +474.00% 86.77 0.00
National Storage Affiliates shs ben int 0.15 791597 +28.00% 22.07 0.00
Four Corners Ppty Tr 0.15 806020 +29.00% 20.52 0.00
Isle of Capri Casinos (ISLE) 0.14 645199 24.69 25.45
WNS (WNS) 0.14 579660 +2.00% 27.55 28.75
MarketAxess Holdings (MKTX) 0.14 112113 146.92 187.70
Proofpoint 0.14 233579 +73.00% 70.65 0.00
Prothena 0.14 328275 +18.00% 49.19 0.00
Siteone Landscape Supply Inc Com stock 0.13 424716 +45.00% 34.73 0.00
Hasbro (HAS) 0.12 181485 -40.00% 77.79 99.97
Inphi Corporation (IPHI) 0.12 297147 +20.00% 44.62 46.83
Cardiome Pharma 0.12 5.08M -5.00% 2.76 0.00
Life Storage Inc reit 0.12 167025 NEW 85.26 0.00
Comcast Corporation (CMCSA) 0.11 186070 -2.00% 69.05 37.38
Klx Inc Com $0.01 0.11 270240 NEW 45.11 0.00
Aclaris Therapeutics 0.11 448215 NEW 27.14 0.00
Cognizant Technology Solutions (CTSH) 0.10 199210 NEW 56.03 58.62
Marten Transport (MRTN) 0.10 490554 23.30 23.95
MasTec (MTZ) 0.10 291906 -61.00% 38.25 38.05
Community Healthcare Tr 0.10 510830 -19.00% 23.03 0.00
Genes (GCO) 0.09 165570 NEW 62.10 55.85
Skyworks Solutions (SWKS) 0.09 134910 NEW 74.66 97.30
Sun Communities (SUI) 0.09 134021 NEW 76.61 80.56
MGIC Investment (MTG) 0.08 857120 NEW 10.19 9.95
JPMorgan Chase & Co. (JPM) 0.07 92810 86.29 87.29
Cisco Systems (CSCO) 0.07 270885 30.22 34.08
Jack Henry & Associates (JKHY) 0.07 91464 88.78 93.33
Alder Biopharmaceuticals 0.07 398315 20.80 0.00
Archer Daniels Midland Company (ADM) 0.06 137710 +2.00% 45.65 45.58
Lockheed Martin Corporation (LMT) 0.06 26366 -94.00% 249.94 267.42
Penske Automotive (PAG) 0.06 125155 +5.00% 51.84 45.99
Marine Harvest Asa Spons 0.06 351965 +2.00% 18.13 0.00
FedEx Corporation (FDX) 0.05 27920 NEW 186.21 188.12
Western Digital (WDC) 0.05 76140 NEW 67.95 78.18
Delta Air Lines (DAL) 0.05 113230 NEW 49.19 46.00
Kimberly-Clark Corporation (KMB) 0.04 41427 114.13 132.45
iShares Russell 2000 Growth Index (IWO) 0.04 30125 +12.00% 153.93 158.62
Orion Engineered Carbons 0.04 218435 18.85 0.00
Microchip Technology (MCHP) 0.03 57120 NEW 64.15 73.15
BorgWarner (BWA) 0.03 98270 NEW 39.44 41.28
Baxter International (BAX) 0.02 45355 -33.00% 44.34 52.02
Verizon Communications (VZ) 0.02 35325 -5.00% 53.39 49.68
iShares Russell 1000 Growth Index (IWF) 0.02 23893 NEW 104.88 112.74
Affiliated Managers (AMG) 0.01 5310 -98.00% 145.39 158.86
3M Company (MMM) 0.01 3250 -8.00% 178.46 191.51
CVS Caremark Corporation (CVS) 0.01 9500 78.95 78.49
Merck & Co (MRK) 0.01 12159 58.89 63.18
Schlumberger (SLB) 0.01 8424 83.93 76.96
Kirby Corporation (KEX) 0.01 16590 66.49 67.55
iShares Russell Midcap Growth Idx. (IWP) 0.01 16205 NEW 97.38 102.85
Chemtura Corporation (CHMT) 0.01 42730 -97.00% 33.21 33.20
Waste Connections Inc Com stock 0.01 14625 78.56 0.00
State Street Corporation (STT) 0.00 3840 77.60 77.21
CSX Corporation (CSX) 0.00 15000 35.93 46.32
Campbell Soup Company (CPB) 0.00 6000 60.50 57.44
International Business Machines (IBM) 0.00 2000 166.00 173.83
Ventas (VTR) 0.00 4719 62.51 63.83
Helix Energy Solutions (HLX) 0.00 18700 NEW 8.82 7.04
Greenbrier Companies (GBX) 0.00 5100 NEW 41.57 41.75
Hudson Technologies (HDSN) 0.00 40000 NEW 8.00 6.58
iShares Russell 3000 Growth Index (IWZ) 0.00 11330 NEW 42.89 73.70
Era 0.00 16500 NEW 16.97 0.00
Constellium Holdco B V cl a 0.00 49900 NEW 5.89 0.00
New Media Inv Grp 0.00 21500 16.00 0.00