WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC Q1 2019 Filing

Filed May 10, 2019

Portfolio Value

$23.8B

Holdings

406

Report Date

Q1 2019

Filing Type

13F-HR

All Holdings (406 positions)

StockValue
BABAALIBABA GROUP HLDG LTD
$1.1B
TSMTAIWAN SEMICONDUCTOR MFG LTD
$672.3M
SPYSPDR S&P 500 ETF TR
$584.9M
CPRTCOPART INC
$403.7M
CSGPCOSTAR GROUP INC
$390.2M
BAMBROOKFIELD ASSET MGMT INC
$343.0M
BAHBOOZ ALLEN HAMILTON HLDG COR
$336.6M
RCI/BROGERS COMMUNICATIONS INC
$327.0M
EEFTEURONET WORLDWIDE INC
$316.6M
BWXTBWX TECHNOLOGIES INC
$315.0M
CNRCANADIAN NATL RY CO
$307.2M
BALLBALL CORP
$292.0M
VEEVVEEVA SYS INC
$283.6M
PSTGPURE STORAGE INC
$275.7M
BURLBURLINGTON STORES INC
$266.2M
TDTORONTO DOMINION BK ONT
$260.9M
LYVLIVE NATION ENTERTAINMENT IN
$259.6M
BAPCREDICORP LTD
$243.4M
RG6ROGERS CORP
$240.6M
DPZDOMINOS PIZZA INC
$235.3M
CBOECBOE GLOBAL MARKETS INC
$234.0M
TFXTELEFLEX INC
$233.5M
ATGEADTALEM GLOBAL ED INC
$221.6M
MTNVAIL RESORTS INC
$215.2M
TRUTRANSUNION
$211.7M
CHKPCHECK POINT SOFTWARE TECH LT
$208.9M
AMZNAMAZON COM INC
$208.0M
EHCENCOMPASS HEALTH CORP
$206.9M
HTHTHUAZHU GROUP LTD
$206.6M
GKDGRAND CANYON ED INC
$204.5M
PODDINSULET CORP
$204.0M
MLMMARTIN MARIETTA MATLS INC
$202.2M
MIDDMIDDLEBY CORP
$196.0M
GKOSGLAUKOS CORP
$193.2M
HEIHEICO CORP NEW
$190.0M
HDBHDFC BANK LTD
$185.4M
TDYTELEDYNE TECHNOLOGIES INC
$185.0M
GOOGLALPHABET INC
$184.9M
HORIZON PHARMA PLC
$183.5M
EWBCEAST WEST BANCORP INC
$180.3M
TREXTREX CO INC
$176.2M
GDDYGODADDY INC
$173.8M
NTESNETEASE INC
$166.9M
CTLTEURCATALENT INC
$165.9M
WEXWEX INC
$165.0M
AZPNUSDASPEN TECHNOLOGY INC
$165.0M
FIRSTCASH INC
$164.9M
JXC1J2 GLOBAL INC
$159.1M
IWDISHARES TR
$151.0M
CECELANESE CORP DEL
$144.9M
PORTOLA PHARMACEUTICALS INC
$144.2M
UNHUNITEDHEALTH GROUP INC
$141.7M
GWREGUIDEWIRE SOFTWARE INC
$140.8M
LWLAMB WESTON HLDGS INC
$139.9M
HCSGHEALTHCARE SVCS GRP INC
$138.7M
MAMASTERCARD INC
$135.7M
NSYNICE LTD
$135.6M
MSFTMICROSOFT CORP
$131.8M
SABRSABRE CORP
$130.6M
GWRUSDGENESEE & WYO INC
$129.0M
FSVFIRSTSERVICE CORP NEW
$128.7M
EXASEXACT SCIENCES CORP
$122.8M
RBAGBPRITCHIE BROS AUCTIONEERS
$121.0M
2U INC
$113.8M
DC4DEXCOM INC
$111.9M
LGNDLIGAND PHARMACEUTICALS INC
$111.6M
WWAYFAIR INC
$111.5M
NBISYANDEX N V
$110.3M
RTN1USDRAYTHEON CO
$104.0M
CAMBREX CORP
$103.3M
STESTERIS PLC
$102.9M
ELLAUDER ESTEE COS INC
$102.3M
QIAGEN NV
$101.3M
PENPENUMBRA INC
$101.0M
TMETENCENT MUSIC ENTMT GROUP
$100.1M
INGNINOGEN INC
$100.0M
HGVHILTON GRAND VACATIONS INC
$99.9M
VIRTVIRTU FINL INC
$97.2M
ADBEADOBE INC
$94.5M
CABOCABLE ONE INC
$93.3M
ICEINTERCONTINENTAL EXCHANGE IN
$91.4M
ECPGENCORE CAP GROUP INC
$91.0M
ZTSZOETIS INC
$91.0M
PYPLPAYPAL HLDGS INC
$90.0M
CP.TOCANADIAN PAC RY LTD
$88.4M
EWZISHARES INC
$85.8M
WPWORLDPAY INC
$85.5M
ULTAULTA BEAUTY INC
$84.1M
JLLJONES LANG LASALLE INC
$80.5M
MXLMAXLINEAR INC
$79.4M
SITESITEONE LANDSCAPE SUPPLY INC
$76.6M
ICLRICON PLC
$75.8M
1GSNNOVANTA INC
$75.5M
AXTAAXALTA COATING SYS LTD
$73.6M
PARSLEY ENERGY INC
$73.2M
GLOBGLOBANT S A
$71.7M
TTCTORO CO
$71.7M
NATIONAL INSTRS CORP
$70.4M
CIGICOLLIERS INTL GROUP INC
$69.5M
IEMGISHARES INC
$66.7M
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