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Westfield Capital Management Co LP

Q3 2018 Holdings

Filed 2018-11-14 | 249 holdings | $935.3M | 13F-HR | View on SEC ↗ · Holdings Table ↗

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IssuerClassCUSIPValue ↓Shares% Portfolio
Adobe SYS Inc(ADBE)COM00724F101$134.3M497,54814.4%
Costco Whsl Corp New(COST)COM22160K105$130.9M557,41914.0%
BIO RAD Labs Inc(BIO)CL A090572207$108.5M346,75311.6%
Charter Communications Inc N(CHTR)CL A16119P108$104.4M320,44311.2%
Alibaba Group Hldg LTD(BABA)SPONSORED ADS01609W102$88.7M538,3409.5%
Biogen Inc(BIIB)COM09062X103$76.8M217,3018.2%
Autodesk Inc(ADSK)COM052769106$48.0M307,4145.1%
Burlington Stores Inc(BURL)COM122017106$43.1M264,8304.6%
Commvault Systems Inc(CVLT)COM204166102$42.3M604,2174.5%
Ascendis Pharma A S(ASND)SPONSORED ADR04351P101$41.2M581,7344.4%
Constellation Brands Inc(STZ)CL A21036P108$35.0M162,3953.7%
Bright Horizons FAM SOL in D(BFAM)COM109194100$32.3M273,9583.5%
Alarm COM Hldgs Inc(ALRM)COM011642105$21.5M373,7602.3%
Alnylam Pharmaceuticals Inc(ALNY)COM02043Q107$15.0M170,8551.6%
Apple Inc(AAPL)COM037833100$479.1K2,122,4580.1%
Amazon COM Inc(AMZN)COM023135106$427.4K213,3800.0%
Microsoft Corp(MSFT)COM594918104$282.3K2,468,5370.0%
Visa Inc(V)COM CL A92826C839$274.1K1,826,5550.0%
Alphabet Inc(GOOG)CAP STK CL C02079K107$242.2K202,9400.0%
AndeavorCOM03349M105$231.7K1,509,5730.0%
Boeing Co(BA)COM097023105$230.8K620,4950.0%
Mettler Toledo International(MTD)COM592688105$213.3K350,2270.0%
Cooper COS IncCOM NEW216648402$198.5K716,3120.0%
Salesforce COM Inc(CRM)COM79466L302$198.5K1,248,1720.0%
Alphabet Inc(GOOGL)CAP STK CL A02079K305$195.5K161,9780.0%
Union PAC Corp(UNP)COM907818108$190.1K1,167,6690.0%
Ametek Inc New(AME)COM031100100$190.0K2,401,5470.0%
Home Depot Inc(HD)COM437076102$189.7K915,6920.0%
Jazz Pharmaceuticals PLC(JAZZ)SHS USDG50871105$187.1K1,112,7350.0%
Unitedhealth Group Inc(UNH)COM91324P102$185.1K695,6850.0%
Servicenow Inc(NOW)COM81762P102$168.1K859,1870.0%
Facebook Inc(META)CL A30303M102$156.8K953,3540.0%
Teledyne Technologies Inc(TDY)COM879360105$151.2K612,8320.0%
Ingersoll-Rand PLC(IR)SHSG47791101$135.0K1,319,8460.0%
Illinois Tool WKS Inc(ITW)COM452308109$129.7K919,1990.0%
Progressive Corp Ohio(PGR)COM743315103$127.9K1,800,8050.0%
Conagra Brands Inc(CAG)COM205887102$125.7K3,698,8890.0%
Mastercard Incorporated(MA)CL A57636Q104$123.4K554,4780.0%
Celgene Corp(CELG)COM151020104$123.1K1,375,6660.0%
Thermo Fisher Scientific Inc(TMO)COM883556102$119.3K488,6530.0%
EOG RES Inc(EOG)COM26875P101$118.7K930,0890.0%
Hunt J B Trans Svcs Inc(JBHT)COM445658107$118.3K994,6590.0%
Medicines CoCOM584688105$113.3K3,787,2110.0%
Worldpay Inc(WP)CL A981558109$111.2K1,098,2660.0%
Celanese Corp del(CE)COM150870103$110.3K967,3650.0%
Netflix Inc(NFLX)COM64110L106$107.4K286,9500.0%
Marriott Intl Inc New(MAR)CL A571903202$106.4K806,1780.0%
Vertex Pharmaceuticals Inc(VRTX)COM92532F100$105.9K549,4290.0%
Total SYS Svcs Inc(TSS)COM891906109$103.3K1,046,0780.0%
Transdigm Group Inc(TDG)COM893641100$101.5K272,7370.0%
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