WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC Q1 2020 Filing

Filed May 8, 2020

Portfolio Value

$20.5B

Holdings

339

Report Date

Q1 2020

Filing Type

13F-HR

All Holdings (339 positions)

StockValue
BABAALIBABA GROUP HLDG LTD
$1.1B
TSMTAIWAN SEMICONDUCTOR MFG LTD
$828.3M
SPYSPDR S&P 500 ETF TR
$552.0M
NTESNETEASE INC
$385.4M
BWXTBWX TECHNOLOGIES INC
$378.6M
TALTAL EDUCATION GROUP
$334.0M
GKDGRAND CANYON ED INC
$312.3M
EHCENCOMPASS HEALTH CORP
$291.9M
AMZNAMAZON COM INC
$255.0M
TREXTREX CO INC
$247.8M
CNRCANADIAN NATL RY CO
$247.7M
HZNPHORIZON THERAPEUTICS PUB LTD
$246.4M
TDYTELEDYNE TECHNOLOGIES INC
$243.4M
CPRTCOPART INC
$230.3M
BJBJS WHSL CLUB HLDGS INC
$229.5M
LYVLIVE NATION ENTERTAINMENT IN
$220.2M
BAMBROOKFIELD ASSET MGMT INC
$219.3M
MLMMARTIN MARIETTA MATLS INC
$215.7M
NSYNICE LTD
$207.7M
TFXTELEFLEX INCORPORATED
$205.8M
PENPENUMBRA INC
$204.3M
BCOBRINKS CO
$202.4M
CABOCABLE ONE INC
$202.1M
PSTGPURE STORAGE INC
$199.0M
GOOGLALPHABET INC
$196.7M
JXC1J2 GLOBAL INC
$193.9M
MSFTMICROSOFT CORP
$190.5M
BAHBOOZ ALLEN HAMILTON HLDG COR
$189.9M
CCKCROWN HLDGS INC
$185.8M
AMEDAMEDISYS INC
$178.0M
ZNGAEURZYNGA INC
$173.2M
STESTERIS PLC
$171.6M
VIRTVIRTU FINL INC
$169.3M
LULULULULEMON ATHLETICA INC
$161.3M
LWLAMB WESTON HLDGS INC
$158.1M
UNHUNITEDHEALTH GROUP INC
$157.8M
GDDYGODADDY INC
$155.4M
BURLBURLINGTON STORES INC
$154.8M
MRCYMERCURY SYS INC
$153.4M
FIRSTCASH INC
$151.6M
AZPNUSDASPEN TECHNOLOGY INC
$149.3M
PODDINSULET CORP
$148.4M
MAMASTERCARD INC
$146.8M
NBISYANDEX N V
$146.0M
3M4MASIMO CORP
$142.5M
HTHTHUAZHU GROUP LTD
$141.9M
HCSGHEALTHCARE SVCS GROUP INC
$138.1M
EEFTEURONET WORLDWIDE INC
$137.5M
TRUTRANSUNION
$131.6M
RBAGBPRITCHIE BROS AUCTIONEERS
$127.8M
PRSPPERSPECTA INC
$126.6M
ETSYETSY INC
$124.2M
NATIONAL INSTRS CORP
$120.7M
ADBEADOBE INC
$120.3M
HALOHALOZYME THERAPEUTICS INC
$118.1M
SEDGSOLAREDGE TECHNOLOGIES INC
$117.3M
IRTCIRHYTHM TECHNOLOGIES INC
$116.5M
AVLRUSDAVALARA INC
$112.3M
LGNDLIGAND PHARMACEUTICALS INC
$110.6M
VCYTVERACYTE INC
$108.3M
FSVFIRSTSERVICE CORP NEW
$106.8M
CBOECBOE GLOBAL MARKETS INC
$105.4M
DPZDOMINOS PIZZA INC
$101.1M
CP.TOCANADIAN PAC RY LTD
$100.3M
PFPTPROOFPOINT INC
$97.9M
ZTSZOETIS INC
$96.8M
GLOBGLOBANT S A
$96.7M
FISFIDELITY NATL INFORMATION SV
$96.0M
PYPLPAYPAL HLDGS INC
$96.0M
WEXWEX INC
$93.7M
HDBHDFC BANK LTD
$92.8M
JLLJONES LANG LASALLE INC
$92.8M
MLB1MERCADOLIBRE INC
$92.2M
VRNSVARONIS SYS INC
$92.0M
AWNADVANCE AUTO PARTS INC
$91.8M
PLNTPLANET FITNESS INC
$90.7M
COUPEURCOUPA SOFTWARE INC
$89.6M
ICEINTERCONTINENTAL EXCHANGE IN
$89.3M
GNRCGENERAC HLDGS INC
$86.7M
HEIHEICO CORP NEW
$86.4M
ARESARES MANAGEMENT CORPORATION
$82.8M
RG6ROGERS CORP
$81.5M
1GSNNOVANTA INC
$81.2M
AZTABROOKS AUTOMATION INC NEW
$81.2M
CCOCAMECO CORP
$81.1M
LECOLINCOLN ELEC HLDGS INC
$81.0M
AMDADVANCED MICRO DEVICES INC
$79.6M
MDBMONGODB INC
$78.0M
TMETENCENT MUSIC ENTMT GROUP
$77.0M
TQJSIGNATURE BK NEW YORK N Y
$75.8M
HQYHEALTHEQUITY INC
$75.6M
CSGPCOSTAR GROUP INC
$74.8M
METAFACEBOOK INC
$74.0M
ENQENTEGRIS INC
$73.1M
ELLAUDER ESTEE COS INC
$71.8M
PORTOLA PHARMACEUTICALS INC
$71.3M
CRMSALESFORCE COM INC
$70.5M
MBBISHARES TR
$68.0M
ICLRICON PLC
$66.5M
SESEA LTD
$63.3M
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