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William Blair Investment Management, LLC

Q2 2019 Holdings

Filed 2019-08-09 | 372 holdings | $2.1B | 13F-HR | View on SEC ↗ · Holdings Table ↗

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IssuerClassCUSIPValue ↓Shares% Portfolio
Alibaba Group Hldg LTD(BABA)SPONSORED ADS01609W102$993.9M5,866,39647.6%
Burlington Stores Inc(BURL)COM122017106$299.8M1,762,08314.4%
BJS Whsl Club Hldgs Inc(BJ)COM05550J101$144.3M5,465,5616.9%
Adobe Inc(ADBE)COM00724F101$107.0M363,0305.1%
Crown Holdings Inc(CCK)COM228368106$93.1M1,523,0464.5%
Costco Whsl Corp New(COST)COM22160K105$39.7M150,1921.9%
Align Technology Inc(ALGN)COM016255101$31.0M113,3691.5%
Darling Ingredients Inc(DAR)COM237266101$29.7M1,491,4041.4%
Conmed Corp(CNMD)COM207410101$27.4M320,7351.3%
Blue Bird Corp(BLBD)COM095306106$26.2M1,329,3881.3%
Agilysys Inc(AGYS)COM00847J105$24.8M1,157,0441.2%
Autodesk Inc(ADSK)COM052769106$24.6M150,8751.2%
Boot Barn Hldgs Inc(BOOT)COM099406100$23.7M664,5741.1%
Curtiss Wright Corp(CW)COM231561101$23.3M183,3141.1%
Casella Waste SYS Inc(CWST)CL A147448104$23.2M584,4611.1%
Carmax Inc(KMX)COM143130102$19.2M221,4120.9%
Advanced Micro Devices Inc(AMD)COM007903107$18.8M619,1120.9%
Centene Corp del(CNC)COM15135B101$17.4M332,2540.8%
Dana Incorporated(DAN)COM235825205$17.0M850,1030.8%
Codexis Inc(CDXS)COM192005106$16.5M895,6030.8%
Cryolife Inc(AORT)COM228903100$15.7M523,0670.7%
Cavco Inds Inc del(CVCO)COM149568107$15.5M98,3750.7%
Cars COM Inc(CARS)COM14575E105$10.8M547,3240.5%
Axogen Inc(AXGN)COM05463X106$9.5M481,2810.5%
Caredx Inc(CDNA)COM14167L103$9.5M263,3340.5%
Aspen Group Inc(ASPU)COM NEW04530L203$4.8M1,260,8750.2%
Taiwan Semiconductor MFG LTD(TSM)SPONSORED ADS874039100$634.2K16,194,0890.0%
Spdr S&P 500 ETF TR(SPY)TR UNIT78462F103$592.9K2,023,7000.0%
Copart Inc(CPRT)COM217204106$393.0K5,258,5170.0%
BWX Technologies Inc(BWXT)COM05605H100$365.3K7,012,2660.0%
Euronet Worldwide Inc(EEFT)COM298736109$363.9K2,163,1930.0%
Brookfield Asset Mgmt IncCL A LTD VT SH112585104$351.5K7,356,2800.0%
Canadian Natl RY Co(CNI)COM136375102$325.8K3,523,2640.0%
Insulet Corp(PODD)COM45784P101$278.6K2,334,1350.0%
Grand Canyon ED Inc(LOPE)COM38526M106$273.6K2,338,2240.0%
Trex Co Inc(TREX)COM89531P105$264.1K3,683,1910.0%
Live Nation Entertainment in(LYV)COM538034109$262.0K3,954,2060.0%
Toronto Dominion BK ONT(TD)COM NEW891160509$260.5K4,461,6290.0%
Cboe Global Markets Inc(CBOE)COM12503M108$248.4K2,397,2260.0%
Encompass Health Corp(EHC)COM29261A100$247.4K3,904,6670.0%
Costar Group Inc(CSGP)COM22160N109$236.5K426,7930.0%
Transunion(TRU)COM89400J107$230.9K3,140,4700.0%
Netease Inc(NTES)SPONSORED ADR64110W102$229.2K896,3490.0%
Martin Marietta Matls Inc(MLM)COM573284106$229.0K995,0550.0%
Booz Allen Hamilton Hldg COR(BAH)CL A099502106$226.5K3,420,4930.0%
Amazon COM Inc(AMZN)COM023135106$223.1K117,8050.0%
Vail Resorts Inc(MTN)COM91879Q109$219.6K983,8080.0%
Teleflex Inc(TFX)COM879369106$219.1K661,5930.0%
Abiomed Inc(ABMDEUR)COM003654100$212.4K815,5240.0%
Adtalem Global ED Inc(ATGE)COM00737L103$211.6K4,697,3180.0%
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