IR
Superintel
OverviewMarketsWatchlist
© 2026 IR SuperintelMethodologyContact

William Blair Investment Management, LLC

Q1 2018 Holdings

Filed 2018-05-14 | 432 holdings | $1.8B | 13F-HR | View on SEC ↗ · Holdings Table ↗

Sign in to see sub-manager breakdown

IssuerClassCUSIPValue ↓Shares% Portfolio
Alibaba Group Hldg LTD(BABA)SPONSORED ADS01609W102$977.2M5,324,20854.9%
Charles RIV Labs Intl Inc(CRL)COM159864107$182.4M1,708,52310.2%
Adobe SYS Inc(ADBE)COM00724F101$145.4M673,0738.2%
Align Technology Inc(ALGN)COM016255101$66.9M266,4503.8%
Akamai Technologies Inc(AKAM)COM00971T101$53.9M759,2013.0%
Carmax Inc(KMX)COM143130102$53.8M869,1513.0%
Biomarin Pharmaceutical Inc(BMRN)COM09061G101$39.1M482,8502.2%
Biogen Inc(BIIB)COM09062X103$32.4M118,1981.8%
Conmed Corp(CNMD)COM207410101$26.1M412,5911.5%
Baozun Inc(BZUN)SPONSORED ADR06684L103$21.4M465,9471.2%
Blue Bird Corp(BLBD)COM095306106$21.1M891,3021.2%
Dana Incorporated(DAN)COM235825205$20.4M793,6521.1%
Darling Ingredients Inc(DAR)COM237266101$19.0M1,100,3071.1%
Cavco Inds Inc del(CVCO)COM149568107$18.6M106,7621.0%
Codexis Inc(CDXS)COM192005106$16.6M1,508,5310.9%
Costco Whsl Corp New(COST)COM22160K105$15.8M83,9910.9%
Boot Barn Hldgs Inc(BOOT)COM099406100$9.7M549,3060.5%
Axogen Inc(AXGN)COM05463X106$9.7M265,1590.5%
Cars COM Inc(CARS)COM14575E105$9.2M325,9100.5%
Cryolife Inc(AORT)COM228903100$7.2M358,8270.4%
Agilysys Inc(AGYS)COM00847J105$5.2M434,9060.3%
Apple Hospitality REIT Inc(APLE)COM NEW03784Y200$3.0M168,0940.2%
Taiwan Semiconductor MFG LTD(TSM)SPONSORED ADR874039100$793.3K18,129,7430.0%
Cadence Design System Inc(CDNS)COM127387108$666.0K18,1260.0%
Spdr S&P 500 ETF TR(SPY)TR UNIT78462F103$571.1K2,170,2200.0%
Copart Inc(CPRT)COM217204106$493.1K9,682,4910.0%
Costar Group Inc(CSGP)COM22160N109$419.4K1,156,4380.0%
BWX Technologies Inc(BWXT)COM05605H100$372.9K5,869,4290.0%
Dominos Pizza Inc(DPZ)COM25754A201$365.8K1,566,0770.0%
Toronto Dominion BK ONT(TD)COM NEW891160509$319.5K5,632,2570.0%
Suncor Energy Inc New(SU)COM867224107$317.0K9,185,5160.0%
Ishares TR(IWD)RUS 1000 VAL ETF464287598$295.4K2,462,8000.0%
Booz Allen Hamilton Hldg COR(BAH)CL A099502106$286.0K7,385,6010.0%
SIX Flags Entmt Corp New(SIXEUR)COM83001A102$285.2K4,580,2270.0%
Credicorp LTD(BAP)COMG2519Y108$281.8K1,241,0840.0%
Amazon COM Inc(AMZN)COM023135106$280.3K193,6540.0%
Ball Corp(BALL)COM058498106$280.1K7,053,6940.0%
Guidewire Software Inc(GWRE)COM40171V100$249.5K3,086,5440.0%
WEX Inc(WEX)COM96208T104$246.4K1,573,5130.0%
Zoetis Inc(ZTS)CL A98978V103$245.7K2,942,3030.0%
Encompass Health Corp(EHC)COM29261A100$234.6K4,104,2840.0%
Yandex N V(NBIS)SHS CLASS AN97284108$232.3K5,889,1910.0%
YUM China Hldgs Inc(YUMC)COM98850P109$231.8K5,586,6190.0%
Middleby Corp(MIDD)COM596278101$231.5K1,869,8140.0%
Adtalem Global ED Inc(ATGE)COM00737L103$223.3K4,696,0200.0%
Live Nation Entertainment in(LYV)COM538034109$223.2K5,295,9610.0%
Microsoft Corp(MSFT)COM594918104$222.7K2,439,5780.0%
Progressive Corp Ohio(PGR)COM743315103$217.1K3,562,5500.0%
Vail Resorts Inc(MTN)COM91879Q109$216.0K974,1120.0%
Veeva SYS Inc(VEEV)CL A COM922475108$216.0K2,957,4420.0%
Page 1 of 9Next