Westfield Capital Management Company

Westfield Capital Management Company as of Dec. 31, 2010

Portfolio Holdings for Westfield Capital Management Company

Westfield Capital Management Company holds 301 positions in its portfolio as reported in the December 2010 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Apple (AAPL) 2.5 $333M 1.0M 322.56
CONSOL Energy 1.9 $258M 5.3M 48.74
Google 1.8 $247M 417k 593.97
National-Oilwell Var 1.6 $211M 3.1M 67.25
Oracle Corporation (ORCL) 1.5 $204M 6.5M 31.30
Weatherford International Lt reg 1.4 $196M 8.6M 22.80
FedEx Corporation (FDX) 1.4 $194M 2.1M 93.01
Emerson Electric (EMR) 1.4 $191M 3.3M 57.17
Nike (NKE) 1.3 $176M 2.1M 85.42
BorgWarner (BWA) 1.3 $177M 2.4M 72.36
Target Corporation (TGT) 1.3 $175M 2.9M 60.13
Cisco Systems (CSCO) 1.3 $173M 8.5M 20.23
Goodrich Corporation 1.3 $173M 2.0M 88.07
Air Products & Chemicals (APD) 1.2 $162M 1.8M 90.95
Walt Disney Company (DIS) 1.2 $156M 4.2M 37.51
United Technologies Corporation 1.2 $157M 2.0M 78.72
Warner Chilcott Plc - 1.2 $156M 6.9M 22.56
Honeywell International (HON) 1.1 $154M 2.9M 53.16
Qualcomm (QCOM) 1.1 $150M 3.0M 49.49
EMC Corporation 1.1 $150M 6.6M 22.90
General Electric Company 1.1 $148M 8.1M 18.29
Amazon (AMZN) 1.1 $147M 819k 180.00
Peabody Energy Corporation 1.1 $143M 2.2M 63.98
Halliburton Company (HAL) 1.1 $141M 3.5M 40.83
Via 1.0 $140M 3.5M 39.61
Suncor Energy (SU) 1.0 $140M 3.7M 38.29
Las Vegas Sands (LVS) 1.0 $138M 3.0M 45.95
CSX Corporation (CSX) 1.0 $138M 2.1M 64.61
Massey Energy Company 1.0 $136M 2.5M 53.65
Bank of New York Mellon Corporation (BK) 1.0 $132M 4.4M 30.20
Manulife Finl Corp (MFC) 1.0 $132M 7.7M 17.18
Nuance Communications 1.0 $130M 7.1M 18.18
Crown Holdings (CCK) 0.9 $128M 3.8M 33.38
Covidien 0.9 $129M 2.8M 45.66
Illumina (ILMN) 0.9 $128M 2.0M 63.34
Alcon 0.9 $129M 787k 163.40
Gilead Sciences (GILD) 0.9 $127M 3.5M 36.24
Hewlett-Packard Company 0.9 $122M 2.9M 42.10
Marvell Technology Group 0.9 $121M 6.5M 18.55
Goldcorp 0.9 $116M 2.5M 45.98
Aetna 0.8 $114M 3.7M 30.51
ON Semiconductor (ON) 0.8 $112M 11M 9.88
International Business Machines (IBM) 0.8 $107M 727k 146.76
Schlumberger (SLB) 0.8 $104M 1.2M 83.50
Intel Corporation (INTC) 0.8 $103M 4.9M 21.03
Wells Fargo & Company (WFC) 0.8 $101M 3.3M 30.99
Boeing Company (BA) 0.8 $101M 1.6M 65.26
Ralcorp Holdings 0.7 $96M 1.5M 65.01
Ens 0.7 $94M 1.8M 53.38
Comcast Corporation (CMCSA) 0.7 $95M 4.3M 21.97
NII Holdings 0.7 $93M 2.1M 44.66
IDEX Corporation (IEX) 0.7 $92M 2.3M 39.12
Life Technologies 0.7 $91M 1.6M 55.50
priceline.com Incorporated 0.7 $91M 227k 399.55
Alexion Pharmaceuticals 0.7 $90M 1.1M 80.55
Alliance Data Systems Corporation (BFH) 0.7 $89M 1.3M 71.03
Ametek (AME) 0.7 $88M 2.2M 39.25
Celanese Corporation (CE) 0.6 $85M 2.1M 41.17
Tenne 0.6 $84M 2.0M 41.16
LSI Corporation 0.6 $81M 14M 5.99
Denbury Resources 0.6 $77M 4.0M 19.09
Occidental Petroleum Corporation (OXY) 0.6 $76M 769k 98.10
CHECK POINT SOFTWARE Technolog Com Stk (CHKP) 0.6 $75M 1.6M 46.26
BE Aerospace 0.5 $71M 1.9M 37.03
Solutia 0.5 $72M 3.1M 23.08
United Therapeutics Corporation (UTHR) 0.5 $72M 1.1M 63.22
Waddell & Reed Financial 0.5 $71M 2.0M 35.29
Freeport-McMoRan Copper & Gold (FCX) 0.5 $70M 581k 120.09
General Motors Company (GM) 0.5 $68M 1.9M 36.86
Fossil 0.5 $66M 933k 70.48
Exterran Holdings 0.5 $65M 2.7M 23.95
Mettler-Toledo International (MTD) 0.5 $65M 428k 151.21
BMC Software 0.5 $63M 1.3M 47.14
Dell 0.5 $62M 4.6M 13.55
Hertz Global Holdings 0.5 $63M 4.3M 14.49
Green Mountain Coffee Roasters 0.5 $61M 1.9M 32.86
Hill-Rom Holdings 0.5 $62M 1.6M 39.37
Landstar System (LSTR) 0.5 $61M 1.5M 40.94
Compass Minerals International (CMP) 0.4 $60M 667k 89.27
Gentex Corporation (GNTX) 0.4 $60M 2.0M 29.56
Lamar Advertising Company 0.4 $57M 1.4M 39.84
Alpha Natural Resources 0.4 $57M 943k 60.03
Community Health Systems (CYH) 0.4 $56M 1.5M 37.37
Crane 0.4 $56M 1.4M 41.07
Goodyear Tire & Rubber Company (GT) 0.4 $56M 4.7M 11.85
Brocade Communications Systems 0.4 $54M 10M 5.29
Verisign (VRSN) 0.4 $53M 1.6M 32.67
Avis Budget (CAR) 0.4 $53M 3.4M 15.56
Hospitality Properties Trust 0.4 $49M 2.1M 23.04
Acorda Therapeutics 0.4 $48M 1.8M 27.26
Nxp Semiconductors N V (NXPI) 0.4 $48M 2.3M 20.93
O'reilly Automotive (ORLY) 0.4 $48M 799k 60.42
Red Hat 0.3 $47M 1.0M 45.65
Coventry Health Care 0.3 $45M 1.7M 26.40
WESCO International (WCC) 0.3 $45M 858k 52.80
Nice Systems (NICE) 0.3 $46M 1.3M 34.90
Snap-on Incorporated (SNA) 0.3 $45M 796k 56.58
Msci (MSCI) 0.3 $44M 1.1M 38.96
Skyworks Solutions (SWKS) 0.3 $45M 1.6M 28.63
Autodesk (ADSK) 0.3 $43M 1.1M 38.20
Cooper Industries 0.3 $43M 737k 58.29
Lear Corporation (LEA) 0.3 $42M 425k 98.71
Dover Corporation (DOV) 0.3 $42M 725k 58.45
Ctrip.com International 0.3 $42M 1.0M 40.45
Hibbett Sports (HIBB) 0.3 $42M 1.1M 36.90
Waste Connections 0.3 $41M 1.5M 27.53
Cadence Design Systems (CDNS) 0.3 $40M 4.9M 8.26
Syntel 0.3 $41M 856k 47.80
Vertex Pharmaceuticals Incorporated (VRTX) 0.3 $39M 1.1M 35.03
Stewart Enterprises 0.3 $40M 5.9M 6.69
Gardner Denver 0.3 $38M 555k 68.82
Bed Bath & Beyond 0.3 $37M 751k 49.15
ArthroCare Corporation 0.3 $36M 1.2M 31.06
Hexcel Corporation (HXL) 0.3 $36M 2.0M 18.09
Icon 0.3 $36M 1.6M 21.90
Superior Energy Services 0.3 $37M 1.1M 34.99
Masimo Corporation (MASI) 0.3 $37M 1.3M 29.07
International Coal 0.3 $35M 4.5M 7.74
Health Management Associates 0.3 $35M 3.7M 9.54
WABCO Holdings 0.3 $35M 571k 60.93
Longtop Financial Technologies 0.3 $35M 976k 36.18
Rowan Companies 0.3 $36M 1.0M 34.91
Geo 0.3 $36M 1.4M 24.66
Informatica Corporation 0.2 $34M 773k 44.03
Coach 0.2 $32M 580k 55.31
Savvis 0.2 $32M 1.3M 25.52
ViroPharma Incorporated 0.2 $32M 1.8M 17.32
New Oriental Education & Tech 0.2 $31M 292k 105.23
DreamWorks Animation SKG 0.2 $31M 1.1M 29.47
Greenhill & Co 0.2 $31M 380k 81.68
Express 0.2 $31M 1.7M 18.80
Discover Financial Services (DFS) 0.2 $29M 1.6M 18.53
Ameriprise Financial (AMP) 0.2 $30M 515k 57.55
Acxiom Corporation 0.2 $30M 1.8M 17.15
Nordstrom (JWN) 0.2 $29M 687k 42.38
Clarcor 0.2 $30M 705k 42.89
FleetCor Technologies 0.2 $29M 940k 30.92
Hubbell Incorporated 0.2 $28M 473k 60.13
IDEXX Laboratories (IDXX) 0.2 $28M 400k 69.22
Akamai Technologies (AKAM) 0.2 $28M 601k 47.05
Amylin Pharmaceuticals 0.2 $29M 2.0M 14.71
Holly Corporation 0.2 $29M 707k 40.77
Triumph (TGI) 0.2 $29M 322k 89.41
Cavium Networks 0.2 $29M 765k 37.68
Colfax Corporation 0.2 $28M 1.5M 18.41
East West Ban (EWBC) 0.2 $27M 1.4M 19.55
Roper Industries (ROP) 0.2 $26M 344k 76.43
Varian Medical Systems 0.2 $27M 388k 69.28
iShares Russell 2000 Growth Index (IWO) 0.2 $27M 307k 87.42
Watsco, Incorporated (WSO) 0.2 $26M 414k 63.08
Sotheby's 0.2 $25M 565k 45.00
Shire 0.2 $26M 358k 72.38
Precision Castparts 0.2 $25M 182k 139.21
Immucor 0.2 $26M 1.3M 19.83
Elan Corporation 0.2 $26M 4.6M 5.73
Skilled Healthcare 0.2 $26M 2.9M 8.98
Orthofix International Nv Com Stk 0.2 $26M 888k 29.00
Mednax (MD) 0.2 $26M 381k 67.29
Oclaro 0.2 $25M 1.9M 13.15
SolarWinds 0.2 $26M 1.4M 19.25
Titan International (TWI) 0.2 $24M 1.2M 19.54
salesforce (CRM) 0.2 $25M 186k 132.00
Ezchip Semiconductor Lt 0.2 $24M 856k 28.10
Heartland Express (HTLD) 0.2 $24M 1.5M 16.02
Gartner (IT) 0.2 $23M 689k 33.20
Atmi 0.2 $23M 1.2M 19.94
MedAssets 0.2 $23M 1.2M 20.19
Ecolab (ECL) 0.2 $22M 437k 50.42
Dionex Corporation 0.2 $22M 188k 118.01
NYSE Euronext 0.2 $22M 725k 29.98
Oil States International (OIS) 0.2 $22M 335k 64.09
Huron Consulting (HURN) 0.2 $22M 824k 26.45
Yamana Gold 0.2 $21M 1.7M 12.80
Avago Technologies 0.2 $22M 768k 28.41
Kraton Performance Polymers 0.2 $22M 710k 30.95
MSC Industrial Direct (MSM) 0.1 $21M 319k 64.69
Discovery Communications 0.1 $20M 481k 41.70
IntercontinentalEx.. 0.1 $20M 167k 119.15
Net 1 UEPS Technologies (LSAK) 0.1 $21M 1.7M 12.26
Vitamin Shoppe 0.1 $20M 608k 33.64
Greif (GEF) 0.1 $19M 311k 61.90
Scotts Miracle-Gro Company (SMG) 0.1 $19M 365k 50.77
Santarus 0.1 $20M 6.0M 3.27
Xueda Education 0.1 $19M 1.7M 11.27
Higher One Holdings 0.1 $17M 858k 20.23
Sabra Health Care REIT (SBRA) 0.1 $18M 958k 18.40
First Republic Bank/san F (FRCB) 0.1 $17M 598k 29.12
Digital River 0.1 $16M 457k 34.42
Dendreon Corporation 0.1 $17M 474k 34.92
Team Health Holdings 0.1 $17M 1.1M 15.54
Western Digital (WDC) 0.1 $14M 425k 33.90
Delta Air Lines (DAL) 0.1 $15M 1.2M 12.60
Westlake Chemical Corporation (WLK) 0.1 $14M 311k 43.47
Group 0.1 $14M 1.1M 12.66
Intersil Corporation 0.1 $12M 754k 15.27
Allos Therapeutics 0.1 $10M 2.2M 4.61
Noah Holdings (NOAH) 0.1 $10M 527k 19.55
LaSalle Hotel Properties 0.1 $10M 381k 26.40
Diamond Foods 0.1 $10M 189k 53.18
FXCM 0.1 $7.7M 581k 13.25
Joy Global 0.1 $6.3M 73k 86.75
Deere & Company (DE) 0.1 $7.4M 89k 83.06
Pfizer (PFE) 0.0 $5.5M 315k 17.51
Bristol Myers Squibb (BMY) 0.0 $5.5M 206k 26.48
UnitedHealth (UNH) 0.0 $4.8M 134k 36.11
Metabolix 0.0 $6.0M 495k 12.17
Tyco International Ltd S hs 0.0 $3.5M 86k 41.44
VCA Antech 0.0 $4.1M 176k 23.29
Eaton Vance 0.0 $4.2M 139k 30.23
Alere 0.0 $4.7M 128k 36.60
VeriFone Systems 0.0 $3.6M 94k 38.56
Inspire Pharmaceuticals 0.0 $3.7M 443k 8.40
iSoftStone Holdings 0.0 $3.4M 188k 18.17
Platinum Group Metals 0.0 $3.6M 1.3M 2.66
Monsanto Company 0.0 $2.2M 31k 69.64
Winnebago Industries (WGO) 0.0 $2.2M 142k 15.20
ZOLL Medical Corporation 0.0 $2.1M 55k 37.22
Stryker Corporation (SYK) 0.0 $2.9M 53k 53.71
Cyberonics 0.0 $2.1M 68k 31.02
IPC The Hospitalist Company 0.0 $2.1M 55k 39.00
Celgene Corporation 0.0 $3.1M 52k 59.15
Grupo Televisa (TV) 0.0 $734k 28k 25.94
Microsoft Corporation (MSFT) 0.0 $1.1M 40k 27.92
Coca-Cola Company (KO) 0.0 $1.2M 19k 65.78
Exxon Mobil Corporation (XOM) 0.0 $1.7M 24k 73.11
Johnson & Johnson (JNJ) 0.0 $987k 16k 61.88
Cerner Corporation 0.0 $1.9M 21k 94.73
Travelers Companies (TRV) 0.0 $817k 15k 55.73
CVS Caremark Corporation (CVS) 0.0 $1.2M 34k 34.78
Thermo Fisher Scientific (TMO) 0.0 $1.3M 24k 55.37
Merck & Co (MRK) 0.0 $717k 20k 36.06
Procter & Gamble Company (PG) 0.0 $1.2M 18k 64.35
US Airways 0.0 $1.2M 124k 10.01
Houston Wire & Cable Company 0.0 $1.1M 79k 13.44
Stifel Financial (SF) 0.0 $2.0M 32k 62.04
TransDigm Group Incorporated (TDG) 0.0 $1.5M 21k 72.03
Chemtura Corporation 0.0 $1.6M 100k 15.98
Chubb Corporation 0.0 $330k 5.5k 59.63
E Trade Financial Corp 0.0 $339k 21k 15.99
Charles Schwab Corporation (SCHW) 0.0 $450k 26k 17.11
State Street Corporation (STT) 0.0 $234k 5.0k 46.43
Northern Trust Corporation (NTRS) 0.0 $670k 12k 55.39
Berkshire Hathaway (BRK.B) 0.0 $521k 6.5k 80.15
Eli Lilly & Co. (LLY) 0.0 $419k 12k 35.06
Teva Pharmaceutical Industries (TEVA) 0.0 $344k 6.6k 52.12
Chevron Corporation (CVX) 0.0 $621k 6.8k 91.32
3M Company (MMM) 0.0 $168k 1.9k 86.46
At&t (T) 0.0 $511k 17k 29.38
Kraft Foods 0.0 $476k 15k 31.52
Leggett & Platt (LEG) 0.0 $545k 24k 22.76
Mattel (MAT) 0.0 $628k 25k 25.43
Newmont Mining Corporation (NEM) 0.0 $123k 2.0k 61.50
RPM International (RPM) 0.0 $419k 19k 22.11
Union Pacific Corporation (UNP) 0.0 $259k 2.8k 92.50
Adobe Systems Incorporated (ADBE) 0.0 $277k 9.0k 30.78
Automatic Data Processing (ADP) 0.0 $413k 8.9k 46.27
Medtronic 0.0 $331k 8.9k 37.05
Morgan Stanley (MS) 0.0 $283k 10k 27.21
Pall Corporation 0.0 $476k 9.6k 49.58
Verizon Communications (VZ) 0.0 $512k 14k 35.80
Life Time Fitness 0.0 $271k 6.6k 41.06
Lincare Holdings 0.0 $423k 16k 26.86
Colgate-Palmolive Company (CL) 0.0 $344k 4.3k 80.34
Citi 0.0 $47k 10k 4.70
Danaher Corporation (DHR) 0.0 $311k 6.6k 47.12
Nestle SA Reg Shs. Ser. B Spons (NSRGY) 0.0 $442k 7.5k 58.73
PDL BioPharma 0.0 $636k 102k 6.23
Frontier Communications 0.0 $191k 20k 9.72
Sinclair Broadcast 0.0 $263k 32k 8.17
H.J. Heinz Company 0.0 $422k 8.5k 49.50
SPDR Gold Trust (GLD) 0.0 $416k 3.0k 138.67
eResearch Technology 0.0 $379k 52k 7.34
PharMerica Corporation 0.0 $275k 24k 11.46
Companhia Energetica Minas Gerais (CIG) 0.0 $302k 18k 16.59
Cogo (COGO) 0.0 $306k 35k 8.84
Kulicke and Soffa Industries (KLIC) 0.0 $254k 35k 7.20
Wabash National Corporation (WNC) 0.0 $436k 37k 11.85
Horsehead Holding 0.0 $451k 35k 13.03
Huntsman Corporation (HUN) 0.0 $254k 16k 15.58
Air Methods Corporation 0.0 $388k 6.9k 56.23
Bio-Rad Laboratories (BIO) 0.0 $457k 4.4k 103.86
CVR Energy (CVI) 0.0 $364k 24k 15.17
Akorn 0.0 $423k 70k 6.07
Haynes International (HAYN) 0.0 $268k 6.4k 41.88
MFA Mortgage Investments 0.0 $468k 57k 8.16
Bk Nova Cad (BNS) 0.0 $449k 7.9k 57.20
Cytokinetics 0.0 $267k 128k 2.09
Kaman Corporation (KAMN) 0.0 $267k 9.2k 29.02
Nationwide Health Properties 0.0 $218k 6.0k 36.33
Cynosure 0.0 $388k 38k 10.24
Palomar Medical Technologies 0.0 $499k 35k 14.22
Dex (DXCM) 0.0 $553k 41k 13.65
North Amern Energy Partners 0.0 $411k 34k 12.27
Vitacost 0.0 $153k 27k 5.71
Patriot Coal Corp 0.0 $535k 28k 19.38
Amicus Therapeutics (FOLD) 0.0 $268k 57k 4.69
Curis 0.0 $532k 269k 1.98
Roche Holding (RHHBY) 0.0 $408k 11k 36.76
Rural/Metro Corporation 0.0 $395k 27k 14.58
Foster's 0.0 $442k 76k 5.82
Cohen & Steers Clsd-End Optuny Fnd (FOF) 0.0 $325k 25k 13.03