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William Blair Investment Management, LLC

Q4 2016 Holdings

Filed 2017-02-14 | 435 holdings | $1.4B | 13F-HR | View on SEC ↗ · Holdings Table ↗

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IssuerClassCUSIPValue ↓Shares% Portfolio
Alibaba Group Holding(BABA)ADR01609W102$394.6M4,493,54027.2%
Akamai Technologies Inc(AKAM)COM00971T101$307.0M4,603,54821.2%
Align Technology Inc(ALGN)COM016255101$145.3M1,511,16010.0%
Adobe Systems Inc(ADBE)COM00724F101$134.4M1,305,0109.3%
Biogen Inc(BIIB)COM09062X103$123.6M435,8498.5%
Biomarin Pharmaceutical Inc(BMRN)COM09061G101$91.8M1,108,2416.3%
Costco Wholesale Corp(COST)COM22160K105$91.2M569,8746.3%
Boston Scientific Corp(BSX)COM101137107$34.3M1,588,0112.4%
Dana Inc(DAN)COM235825205$21.4M1,125,3131.5%
Curtiss-Wright Corp(CW)COM231561101$19.6M198,8541.3%
Conmed Corp(CNMD)COM207410101$19.3M437,2541.3%
Darling Ingredients Inc(DAR)COM237266101$15.3M1,186,8961.1%
Cavco Industries Inc(CVCO)COM149568107$14.5M145,2761.0%
Atricure Inc(ATRC)COM04963C209$8.6M439,0540.6%
Codexis Inc(CDXS)COM192005106$3.2M703,9300.2%
Cadence Design SYS Inc(CDNS)COM127387108$1.0M39,7980.1%
Taiwan Semiconductor(TSM)ADR874039100$573.7K19,953,0680.0%
Darden Restaurants Inc(DRI)COM237194105$513.0K7,0490.0%
Spdr S&P 500 ETF Trust(SPY)ETF US78462F103$488.4K2,184,8240.0%
Toronto-Dominion Bank(TD)COM891160509$348.8K7,063,7590.0%
Vantiv IncCOM92210H105$333.8K5,598,5650.0%
Ishares Russell 1000 Value E(IWD)ETF US464287598$313.5K2,798,1000.0%
Alphabet Inc(GOOGL)COM02079K305$306.9K387,3350.0%
Costar Group Inc(CSGP)COM22160N109$303.7K1,611,4030.0%
RED HAT IncCOM756577102$297.0K4,260,4980.0%
Signature Bank(SBNY)COM82669G104$290.0K1,930,8120.0%
Amazon.com Inc(AMZN)COM023135106$289.4K385,8800.0%
SIX Flags Entertainment Corp(SIXEUR)COM83001A102$288.9K4,818,6700.0%
Csra IncCOM12650T104$288.8K9,070,3890.0%
Microsoft Corp(MSFT)COM594918104$287.3K4,623,7080.0%
Tractor Supply Company(TSCO)COM892356106$286.0K3,772,1930.0%
Transdigm Group Inc(TDG)COM893641100$271.8K1,091,7450.0%
Old Dominion Freight Line(ODFL)COM679580100$270.6K3,154,7240.0%
Booz Allen Hamilton Holdings(BAH)COM099502106$255.7K7,090,3300.0%
Zoetis Inc(ZTS)COM98978V103$248.9K4,649,8480.0%
Affiliated Managers Group(AMG)COM008252108$246.7K1,697,9280.0%
SBA Communications Corp(SBAC)COM78410G104$244.2K2,365,2260.0%
Copart Inc(CPRT)COM217204106$231.4K4,175,9750.0%
O'reilly Automotive Inc(ORLY)COM67103H107$226.6K813,7480.0%
Suncor Energy Inc(SU)COM867224107$226.4K6,916,3440.0%
Mastercard Inc(MA)COM57636Q104$223.9K2,168,3480.0%
Maximus Inc(MMS)COM577933104$214.8K3,849,9870.0%
J2 Global Inc(ZD)COM48123V102$212.2K2,594,0270.0%
Verisk Analytics Inc(VRSK)COM92345Y106$211.9K2,610,4540.0%
Ball Corp(BALL)COM058498106$208.5K2,777,2610.0%
Guidewire Software Inc(GWRE)COM40171V100$204.7K4,149,4260.0%
Check Point Software Tech(CHKP)COMM22465104$203.2K2,405,6920.0%
Intercontinental Exchange in(ICE)COM45866F104$199.8K3,541,9550.0%
Credicorp LTD(BAP)COMG2519Y108$199.3K1,262,7340.0%
Facebook Inc(META)COM30303M102$195.0K1,694,9980.0%
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