Westfield Capital Management Company

Westfield Capital Management as of Dec. 31, 2018

Portfolio Holdings for Westfield Capital Management

Westfield Capital Management holds 240 positions in its portfolio as reported in the December 2018 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Apple (AAPL) 2.7 $320M 2.0M 157.74
Amazon (AMZN) 2.6 $304M 203k 1501.97
Microsoft Corporation (MSFT) 1.9 $220M 2.2M 101.57
UnitedHealth (UNH) 1.8 $213M 856k 249.12
Visa (V) 1.8 $208M 1.6M 131.94
Mettler-Toledo International (MTD) 1.7 $204M 361k 565.58
Alphabet Inc Class C cs (GOOG) 1.7 $202M 195k 1035.61
Boeing Company (BA) 1.7 $200M 619k 322.50
Servicenow (NOW) 1.6 $189M 1.1M 178.05
salesforce (CRM) 1.5 $178M 1.3M 136.97
Marathon Petroleum Corp (MPC) 1.5 $176M 3.0M 59.01
Ametek (AME) 1.4 $166M 2.4M 67.70
Alphabet Inc Class A cs (GOOGL) 1.4 $163M 156k 1044.96
Cooper Companies 1.4 $160M 628k 254.50
Union Pacific Corporation (UNP) 1.3 $153M 1.1M 138.23
Home Depot (HD) 1.3 $151M 878k 171.82
Jazz Pharmaceuticals (JAZZ) 1.2 $142M 1.1M 123.96
Teledyne Technologies Incorporated (TDY) 1.2 $138M 667k 207.07
Ingersoll-rand Co Ltd-cl A 1.1 $125M 1.4M 91.23
Thermo Fisher Scientific (TMO) 0.9 $109M 488k 223.79
Netflix (NFLX) 0.9 $108M 402k 267.66
Vertex Pharmaceuticals Incorporated (VRTX) 0.9 $107M 643k 165.71
McDonald's Corporation (MCD) 0.9 $105M 592k 177.57
Adobe Systems Incorporated (ADBE) 0.9 $106M 467k 226.24
Illinois Tool Works (ITW) 0.9 $106M 836k 126.69
TransDigm Group Incorporated (TDG) 0.9 $103M 302k 340.06
Arthur J. Gallagher & Co. (AJG) 0.9 $102M 1.4M 73.70
Steris 0.9 $102M 958k 106.85
MasterCard Incorporated (MA) 0.9 $101M 535k 188.65
Charter Communications Inc New Cl A cl a (CHTR) 0.8 $99M 347k 284.97
J.B. Hunt Transport Services (JBHT) 0.8 $98M 1.0M 93.04
Walt Disney Company (DIS) 0.8 $96M 880k 109.65
Lennox International (LII) 0.8 $95M 432k 218.86
S&p Global (SPGI) 0.8 $94M 556k 169.94
Progressive Corporation (PGR) 0.8 $93M 1.5M 60.33
International Business Machines (IBM) 0.8 $92M 813k 113.67
Avery Dennison Corporation (AVY) 0.8 $92M 1.0M 89.83
Bank of America Corporation (BAC) 0.8 $90M 3.7M 24.64
Icon (ICLR) 0.8 $90M 698k 129.21
Paypal Holdings (PYPL) 0.8 $91M 1.1M 84.09
Worldpay Ord 0.8 $90M 1.2M 76.43
Nike (NKE) 0.8 $89M 1.2M 74.14
Medicines Company 0.8 $88M 4.6M 19.14
Zendesk 0.8 $87M 1.5M 58.37
Madison Square Garden Cl A (MSGS) 0.8 $88M 328k 267.70
Applied Materials (AMAT) 0.7 $87M 2.6M 32.74
Bio-Rad Laboratories (BIO) 0.7 $87M 376k 232.22
Marriott International (MAR) 0.7 $86M 793k 108.56
Total System Services 0.7 $83M 1.0M 81.29
Facebook Inc cl a (META) 0.7 $83M 631k 131.09
Vail Resorts (MTN) 0.7 $82M 389k 210.82
Fortinet (FTNT) 0.7 $80M 1.1M 70.43
Broadcom (AVGO) 0.7 $80M 314k 254.28
EOG Resources (EOG) 0.7 $79M 900k 87.21
Ulta Salon, Cosmetics & Fragrance (ULTA) 0.7 $78M 320k 244.84
Costco Wholesale Corporation (COST) 0.7 $78M 380k 203.71
ConAgra Foods (CAG) 0.7 $78M 3.6M 21.36
Fidelity National Information Services (FIS) 0.7 $77M 746k 102.55
Ultimate Software 0.6 $74M 304k 244.87
Ihs Markit 0.6 $74M 1.5M 47.97
Biogen Idec (BIIB) 0.6 $73M 241k 300.92
Celgene Corporation 0.6 $73M 1.1M 64.09
Haemonetics Corporation (HAE) 0.6 $71M 710k 100.05
Pioneer Natural Resources (PXD) 0.6 $69M 524k 131.52
Alexandria Real Estate Equities (ARE) 0.6 $69M 600k 115.24
FleetCor Technologies 0.6 $68M 368k 185.72
stock 0.6 $68M 646k 104.85
Nice Systems (NICE) 0.6 $65M 603k 108.21
Black Knight 0.6 $64M 1.4M 45.06
Lam Research Corporation (LRCX) 0.5 $62M 455k 136.17
Metropcs Communications (TMUS) 0.5 $62M 981k 63.61
Micron Technology (MU) 0.5 $61M 1.9M 31.73
Lpl Financial Holdings (LPLA) 0.5 $60M 987k 61.08
Hilton Worldwide Holdings (HLT) 0.5 $58M 813k 71.80
Red Hat 0.5 $58M 329k 175.64
Six Flags Entertainment (SIX) 0.5 $58M 1.0M 55.63
Acceleron Pharma 0.5 $56M 1.3M 43.55
Sba Communications Corp (SBAC) 0.5 $56M 344k 161.89
Flowserve Corporation (FLS) 0.4 $49M 1.3M 38.02
Nxp Semiconductors N V (NXPI) 0.4 $49M 666k 73.28
Pbf Energy Inc cl a (PBF) 0.4 $49M 1.5M 32.67
Msci (MSCI) 0.4 $48M 327k 147.43
Transunion (TRU) 0.4 $48M 847k 56.80
Wpx Energy 0.4 $48M 4.2M 11.35
IDEXX Laboratories (IDXX) 0.4 $46M 246k 186.02
Raymond James Financial (RJF) 0.4 $44M 596k 74.41
Quest Diagnostics Incorporated (DGX) 0.4 $44M 527k 83.27
Burlington Stores (BURL) 0.4 $43M 267k 162.67
Autodesk (ADSK) 0.4 $42M 328k 128.61
Western Alliance Bancorporation (WAL) 0.4 $42M 1.1M 39.49
Godaddy Inc cl a (GDDY) 0.4 $42M 639k 65.62
Proofpoint 0.3 $41M 494k 83.81
ON Semiconductor (ON) 0.3 $40M 2.4M 16.51
Lululemon Athletica (LULU) 0.3 $40M 327k 121.61
RPM International (RPM) 0.3 $39M 665k 58.78
RealPage 0.3 $39M 810k 48.19
Jack in the Box (JACK) 0.3 $37M 479k 77.63
Palo Alto Networks (PANW) 0.3 $38M 201k 188.35
Tiffany & Co. 0.3 $37M 453k 80.51
Dex (DXCM) 0.3 $37M 307k 119.80
Kemper Corp Del (KMPR) 0.3 $36M 540k 66.38
Guidewire Software (GWRE) 0.3 $36M 446k 80.23
Berry Plastics (BERY) 0.3 $36M 753k 47.53
Essent (ESNT) 0.3 $37M 1.1M 34.18
Tractor Supply Company (TSCO) 0.3 $35M 419k 83.44
Rockwell Automation (ROK) 0.3 $35M 233k 150.48
Tableau Software Inc Cl A 0.3 $36M 296k 120.00
FLIR Systems 0.3 $34M 769k 43.54
Marvell Technology Group 0.3 $35M 2.1M 16.19
Ascendis Pharma A S (ASND) 0.3 $34M 539k 62.65
NetApp (NTAP) 0.3 $33M 557k 59.67
Crane 0.3 $33M 455k 72.18
Integra LifeSciences Holdings (IART) 0.3 $33M 730k 45.10
Interxion Holding 0.3 $33M 612k 54.16
Summit Matls Inc cl a (SUM) 0.3 $33M 2.6M 12.40
W.R. Grace & Co. 0.3 $32M 487k 64.91
Qts Realty Trust 0.3 $32M 865k 37.05
Blueprint Medicines (BPMC) 0.3 $31M 583k 53.91
Rush Enterprises (RUSHA) 0.3 $30M 877k 34.48
HEICO Corporation (HEI.A) 0.3 $31M 485k 63.00
Sun Communities (SUI) 0.3 $31M 300k 101.71
Diamondback Energy (FANG) 0.3 $31M 335k 92.70
SVB Financial (SIVBQ) 0.2 $30M 156k 189.92
Gartner (IT) 0.2 $29M 226k 127.84
CoStar (CSGP) 0.2 $30M 88k 337.34
Msa Safety Inc equity (MSA) 0.2 $30M 313k 94.27
Ingevity (NGVT) 0.2 $29M 352k 83.69
Global Payments (GPN) 0.2 $29M 277k 103.13
Nexstar Broadcasting (NXST) 0.2 $29M 364k 78.64
Sarepta Therapeutics (SRPT) 0.2 $28M 255k 109.13
Twilio Inc cl a (TWLO) 0.2 $28M 316k 89.30
Charles River Laboratories (CRL) 0.2 $27M 235k 113.18
Zayo Group Hldgs 0.2 $27M 1.2M 22.84
Bright Horizons Fam Sol In D (BFAM) 0.2 $25M 227k 111.45
Dave & Buster's Entertainmnt (PLAY) 0.2 $26M 590k 44.56
Square Inc cl a (SQ) 0.2 $26M 455k 56.09
Fair Isaac Corporation (FICO) 0.2 $25M 134k 187.00
Servicemaster Global 0.2 $25M 675k 36.74
American Eagle Outfitters (AEO) 0.2 $23M 1.2M 19.33
Lincoln Electric Holdings (LECO) 0.2 $23M 297k 78.85
Wolverine World Wide (WWW) 0.2 $24M 746k 31.89
Skyworks Solutions (SWKS) 0.2 $24M 351k 67.02
Eldorado Resorts 0.2 $24M 662k 36.21
Novocure Ltd ord (NVCR) 0.2 $23M 686k 33.48
Trex Company (TREX) 0.2 $23M 381k 59.36
Monolithic Power Systems (MPWR) 0.2 $23M 196k 116.25
Masimo Corporation (MASI) 0.2 $22M 205k 107.37
East West Ban (EWBC) 0.2 $21M 488k 43.53
Envestnet (ENV) 0.2 $21M 418k 49.19
Ss&c Technologies Holding (SSNC) 0.2 $21M 463k 45.11
Orion Engineered Carbons (OEC) 0.2 $22M 853k 25.28
Nuance Communications 0.2 $21M 1.5M 13.23
Ryder System (R) 0.2 $20M 421k 48.15
Alnylam Pharmaceuticals (ALNY) 0.2 $20M 270k 72.91
Ironwood Pharmaceuticals (IRWD) 0.2 $21M 2.0M 10.36
Five Below (FIVE) 0.2 $20M 195k 102.32
New Relic 0.2 $20M 244k 80.97
Univar 0.2 $20M 1.2M 17.74
Zogenix 0.2 $20M 537k 36.46
Viavi Solutions Inc equities (VIAV) 0.2 $20M 2.0M 10.05
Lumentum Hldgs (LITE) 0.2 $21M 488k 42.01
Acacia Communications 0.2 $20M 513k 38.00
Nutanix Inc cl a (NTNX) 0.2 $20M 487k 41.59
Newmark Group (NMRK) 0.2 $21M 2.6M 8.02
WNS 0.2 $18M 446k 41.26
Old Dominion Freight Line (ODFL) 0.2 $18M 148k 123.49
Green Dot Corporation (GDOT) 0.2 $19M 235k 79.52
8x8 (EGHT) 0.2 $19M 1.1M 18.04
Intersect Ent 0.2 $19M 686k 28.18
Bank Of Nt Butterfield&son L (NTB) 0.2 $19M 608k 31.35
Xilinx 0.1 $18M 209k 85.17
HFF 0.1 $18M 542k 33.16
Wright Express (WEX) 0.1 $17M 121k 140.06
Cantel Medical 0.1 $16M 210k 74.45
Cme (CME) 0.1 $14M 76k 188.12
Fate Therapeutics (FATE) 0.1 $14M 1.1M 12.83
Wright Medical Group Nv 0.1 $14M 529k 27.22
MKS Instruments (MKSI) 0.1 $12M 191k 64.61
Inphi Corporation 0.1 $13M 415k 32.15
Centennial Resource Developmen cs 0.1 $13M 1.2M 11.02
Hamilton Lane Inc Common (HLNE) 0.1 $13M 358k 37.00
Alarm Com Hldgs (ALRM) 0.1 $12M 222k 51.87
Evolent Health (EVH) 0.1 $12M 611k 19.95
Smartsheet (SMAR) 0.1 $12M 487k 24.86
Correvio Pharma Corp 0.1 $12M 4.7M 2.49
Abbott Laboratories (ABT) 0.1 $10M 139k 72.33
Neurocrine Biosciences (NBIX) 0.1 $10M 144k 71.41
Catalent (CTLT) 0.1 $11M 347k 31.18
Apellis Pharmaceuticals (APLS) 0.1 $10M 768k 13.19
Wal-Mart Stores (WMT) 0.1 $9.2M 98k 93.15
CommVault Systems (CVLT) 0.1 $8.9M 150k 59.09
Ultra Clean Holdings (UCTT) 0.1 $9.8M 1.2M 8.47
National Vision Hldgs (EYE) 0.1 $9.8M 349k 28.17
Verizon Communications (VZ) 0.1 $7.8M 140k 56.22
Merck & Co (MRK) 0.1 $7.9M 103k 76.41
Matson (MATX) 0.1 $8.5M 264k 32.02
Cymabay Therapeutics 0.1 $8.5M 1.1M 7.87
JPMorgan Chase & Co. (JPM) 0.1 $6.6M 67k 97.62
Occidental Petroleum Corporation (OXY) 0.1 $6.5M 105k 61.38
Texas Instruments Incorporated (TXN) 0.1 $7.2M 76k 94.49
Advanced Energy Industries (AEIS) 0.1 $7.4M 173k 42.93
Momenta Pharmaceuticals 0.1 $7.0M 637k 11.04
Medtronic (MDT) 0.1 $7.2M 79k 90.95
Royal Caribbean Cruises (RCL) 0.1 $6.2M 63k 97.79
Nextera Energy (NEE) 0.1 $5.3M 31k 173.82
Jack Henry & Associates (JKHY) 0.1 $6.3M 50k 126.52
iShares Russell 3000 Growth Index (IUSG) 0.1 $6.0M 113k 52.70
Dowdupont 0.1 $6.1M 114k 53.48
Archer Daniels Midland Company (ADM) 0.0 $4.6M 113k 40.97
Cummins (CMI) 0.0 $4.9M 37k 133.63
Target Corporation (TGT) 0.0 $4.6M 69k 66.09
Fifth Third Ban (FITB) 0.0 $5.1M 218k 23.53
Robert Half International (RHI) 0.0 $4.3M 75k 57.20
Chemours (CC) 0.0 $4.1M 147k 28.22
Microchip Technology (MCHP) 0.0 $4.0M 56k 71.91
Integrated Device Technology 0.0 $2.9M 61k 48.43
Danaher Corporation (DHR) 0.0 $4.0M 38k 103.13
A. O. Smith Corporation (AOS) 0.0 $3.7M 88k 42.70
Live Nation Entertainment (LYV) 0.0 $2.3M 47k 49.25
Celanese Corporation (CE) 0.0 $1.9M 22k 89.97
iShares Russell 1000 Growth Index (IWF) 0.0 $2.3M 18k 130.90
CSX Corporation (CSX) 0.0 $932k 15k 62.13
SPDR Gold Trust (GLD) 0.0 $764k 6.3k 121.27
Marten Transport (MRTN) 0.0 $1.6M 98k 16.19
Nektar Therapeutics (NKTR) 0.0 $830k 25k 32.87
iShares Russell 2000 Growth Index (IWO) 0.0 $934k 5.6k 167.99
iShares Russell Midcap Growth Idx. (IWP) 0.0 $750k 6.6k 113.72
Waste Connections (WCN) 0.0 $942k 13k 74.26
Innovative Industria A (IIPR) 0.0 $640k 14k 45.39
Boyd Gaming Corporation (BYD) 0.0 $391k 19k 20.78
Spdr S&p 500 Etf (SPY) 0.0 $495k 2.0k 250.00
Alliance Data Systems Corporation (BFH) 0.0 $503k 3.4k 150.15
Ventas (VTR) 0.0 $276k 4.7k 58.49
iShares Russell 2000 Index (IWM) 0.0 $323k 2.4k 133.75
West Pharmaceutical Services (WST) 0.0 $363k 3.7k 98.11
EXACT Sciences Corporation (EXAS) 0.0 $379k 6.0k 63.17
Pvh Corporation (PVH) 0.0 $325k 3.5k 92.86
Lions Gate Entmnt Corp cl a vtg (LGF.A) 0.0 $447k 28k 16.08
Trivago N V spon ads a 0.0 $399k 71k 5.63
Delphi Automotive Inc international (APTV) 0.0 $360k 5.9k 61.52