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Westfield Capital Management Co LP

Q1 2018 Holdings

Filed 2018-05-14 | 248 holdings | $833.2M | 13F-HR | View on SEC ↗ · Holdings Table ↗

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IssuerClassCUSIPValue ↓Shares% Portfolio
Constellation Brands Inc(STZ)CL A21036P108$166.1M728,85019.9%
Adobe SYS Inc(ADBE)COM00724F101$138.5M640,96416.6%
Biogen Inc(BIIB)COM09062X103$82.1M299,8799.9%
Costco Whsl Corp New(COST)COM22160K105$70.8M375,7148.5%
BIO RAD Labs Inc(BIO)CL A090572207$62.1M248,4447.5%
Alibaba Group Hldg LTD(BABA)SPONSORED ADS01609W102$60.6M330,1557.3%
Autodesk Inc(ADSK)COM052769106$41.5M330,7805.0%
Burlington Stores Inc(BURL)COM122017106$37.8M284,1464.5%
Builders Firstsource Inc(BLDR)COM12008R107$33.5M1,685,9694.0%
Bright Horizons FAM SOL in D(BFAM)COM109194100$26.7M267,7233.2%
Commvault Systems Inc(CVLT)COM204166102$24.2M423,5872.9%
Ciena Corp(CIEN)COM NEW171779309$22.0M851,2862.6%
Dana Incorporated(DAN)COM235825205$21.8M846,8162.6%
Chegg Inc(CHGG)COM163092109$15.5M750,8251.9%
Aclaris Therapeutics Inc(ACRS)COM00461U105$12.4M710,3691.5%
Cummins Inc(CMI)COM231021106$5.2M32,3000.6%
Amazon COM Inc(AMZN)COM023135106$327.9K226,5700.0%
Apple Inc(AAPL)COM037833100$320.7K1,911,3720.0%
Facebook Inc(META)CL A30303M102$261.9K1,638,8050.0%
Visa Inc(V)COM CL A92826C839$239.7K2,003,5010.0%
Microsoft Corp(MSFT)COM594918104$236.3K2,589,1600.0%
Alphabet Inc(GOOG)CAP STK CL C02079K107$201.5K195,2460.0%
Ametek Inc New(AME)COM031100100$194.9K2,565,6570.0%
Jazz Pharmaceuticals PLC(JAZZ)SHS USDG50871105$181.7K1,203,4050.0%
Alphabet Inc(GOOGL)CAP STK CL A02079K305$169.6K163,5350.0%
Marriott Intl Inc New(MAR)CL A571903202$165.4K1,216,4430.0%
Cooper COS IncCOM NEW216648402$162.7K710,9380.0%
Home Depot Inc(HD)COM437076102$160.3K899,3630.0%
Steris PLC(STE)SHS USDG84720104$154.4K1,654,3260.0%
Boeing Co(BA)COM097023105$152.5K465,1410.0%
Unitedhealth Group Inc(UNH)COM91324P102$152.4K712,0920.0%
Servicenow Inc(NOW)COM81762P102$150.2K908,0000.0%
Salesforce COM Inc(CRM)COM79466L302$149.8K1,287,6160.0%
Union PAC Corp(UNP)COM907818108$146.1K1,087,1310.0%
Progressive Corp Ohio(PGR)COM743315103$143.9K2,362,1090.0%
Celgene Corp(CELG)COM151020104$131.6K1,475,2590.0%
Vertex Pharmaceuticals Inc(VRTX)COM92532F100$126.7K777,1010.0%
Ingersoll-Rand PLC(IR)SHSG47791101$122.6K1,433,2340.0%
EOG RES Inc(EOG)COM26875P101$116.8K1,109,7790.0%
AndeavorCOM03349M105$115.5K1,148,1830.0%
Dowdupont IncCOM26078J100$114.7K1,800,2730.0%
Nektar Therapeutics(NKTREUR)COM640268108$107.7K1,013,9320.0%
Abbott Labs(ABT)COM002824100$105.3K1,756,8380.0%
Philip Morris Intl Inc(PM)COM718172109$104.4K1,050,4090.0%
Mettler Toledo International(MTD)COM592688105$104.1K181,0720.0%
United Contl Hldgs Inc(UAL)COM910047109$103.3K1,487,0450.0%
Mastercard Incorporated(MA)CL A57636Q104$102.1K582,6410.0%
Cognizant Technology Solutio(CTSH)CL A192446102$101.7K1,263,3070.0%
Medicines CoCOM584688105$99.8K3,029,6110.0%
CME Group Inc(CME)COM CL A12572Q105$98.8K610,7260.0%
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