WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC Q4 2019 Filing

Filed February 12, 2020

Portfolio Value

$25.1B

Holdings

356

Report Date

Q4 2019

Filing Type

13F-HR

All Holdings (356 positions)

StockValue
BABAALIBABA GROUP HLDG LTD
$1.2B
TSMTAIWAN SEMICONDUCTOR MFG LTD
$1.0B
SPYSPDR S&P 500 ETF TR
$723.3M
BWXTBWX TECHNOLOGIES INC
$456.8M
BAMBROOKFIELD ASSET MGMT INC
$414.0M
EHCENCOMPASS HEALTH CORP
$344.2M
TREXTREX CO INC
$340.1M
BURLBURLINGTON STORES INC
$334.5M
EEFTEURONET WORLDWIDE INC
$325.7M
HZNPHORIZON THERAPEUTICS PUB LTD
$320.6M
CNRCANADIAN NATL RY CO
$302.4M
NTESNETEASE INC
$296.0M
LWLAMB WESTON HLDGS INC
$295.1M
LYVLIVE NATION ENTERTAINMENT IN
$292.2M
MLMMARTIN MARIETTA MATLS INC
$290.4M
GKDGRAND CANYON ED INC
$274.6M
PODDINSULET CORP
$274.1M
TDYTELEDYNE TECHNOLOGIES INC
$271.2M
PSTGPURE STORAGE INC
$266.0M
TFXTELEFLEX INC
$258.6M
AMZNAMAZON COM INC
$241.3M
MTNVAIL RESORTS INC
$240.0M
TDTORONTO DOMINION BK ONT
$237.0M
JXC1J2 GLOBAL INC
$231.6M
GOOGLALPHABET INC
$228.3M
CCKCROWN HOLDINGS INC
$223.7M
TRUTRANSUNION
$218.1M
BJBJS WHSL CLUB HLDGS INC
$215.7M
BCOBRINKS CO
$209.1M
SABRSABRE CORP
$207.4M
PENPENUMBRA INC
$200.1M
CPRTCOPART INC
$198.1M
NSYNICE LTD
$196.4M
CABOCABLE ONE INC
$194.0M
BAHBOOZ ALLEN HAMILTON HLDG COR
$193.1M
MSFTMICROSOFT CORP
$191.0M
UNHUNITEDHEALTH GROUP INC
$188.9M
GDDYGODADDY INC
$185.4M
GWREGUIDEWIRE SOFTWARE INC
$184.0M
HTHTHUAZHU GROUP LTD
$182.3M
CHKPCHECK POINT SOFTWARE TECH LT
$182.1M
WEXWEX INC
$182.1M
AZPNUSDASPEN TECHNOLOGY INC
$180.8M
AMEDAMEDISYS INC
$178.6M
PORTOLA PHARMACEUTICALS INC
$173.1M
HDBHDFC BANK LTD
$167.7M
MAMASTERCARD INC
$164.7M
FIRSTCASH INC
$164.4M
STESTERIS PLC
$162.9M
RBAGBPRITCHIE BROS AUCTIONEERS
$156.3M
JLLJONES LANG LASALLE INC
$148.3M
AWNADVANCE AUTO PARTS INC
$148.3M
AVLRUSDAVALARA INC
$148.1M
LGNDLIGAND PHARMACEUTICALS INC
$147.8M
BAPCREDICORP LTD
$147.5M
ZNGAEURZYNGA INC
$139.9M
LULULULULEMON ATHLETICA INC
$139.8M
HCSGHEALTHCARE SVCS GRP INC
$138.2M
CBOECBOE GLOBAL MARKETS INC
$135.6M
VIRTVIRTU FINL INC
$129.8M
WWEUSDWORLD WRESTLING ENTMT INC
$127.7M
FSVFIRSTSERVICE CORP NEW
$127.7M
SITESITEONE LANDSCAPE SUPPLY INC
$127.1M
NBISYANDEX N V
$126.0M
OLLIOLLIES BARGAIN OUTLT HLDGS I
$123.6M
ADBEADOBE INC
$122.8M
HEIHEICO CORP NEW
$122.8M
TQJSIGNATURE BK NEW YORK N Y
$121.6M
CP.TOCANADIAN PAC RY LTD
$118.6M
ECPGENCORE CAP GROUP INC
$117.5M
PRSPPERSPECTA INC
$114.4M
HALOHALOZYME THERAPEUTICS INC
$112.3M
PLNTPLANET FITNESS INC
$112.1M
PFPTPROOFPOINT INC
$111.1M
VRNSVARONIS SYS INC
$110.6M
ABMDEURABIOMED INC
$110.0M
ZTSZOETIS INC
$109.4M
GLOBGLOBANT S A
$108.8M
GKOSGLAUKOS CORP
$107.7M
FISFIDELITY NATL INFORMATION SV
$107.0M
PYPLPAYPAL HLDGS INC
$106.2M
RG6ROGERS CORP
$105.9M
ICEINTERCONTINENTAL EXCHANGE IN
$103.1M
NATINATIONAL INSTRS CORP
$101.2M
TALTAL EDUCATION GROUP
$101.2M
VCYTVERACYTE INC
$99.7M
ELLAUDER ESTEE COS INC
$98.2M
ETSYETSY INC
$97.0M
AMDADVANCED MICRO DEVICES INC
$94.3M
ARESARES MANAGEMENT CORPORATION
$92.0M
AXTAAXALTA COATING SYS LTD
$91.5M
GNRCGENERAC HLDGS INC
$90.0M
1GSNNOVANTA INC
$90.0M
INSPINSPIRE MED SYS INC
$88.4M
ICLRICON PLC
$86.2M
WWAYFAIR INC
$86.2M
IRTCIRHYTHM TECHNOLOGIES INC
$84.0M
PARSLEY ENERGY INC
$81.9M
PLANUSDANAPLAN INC
$81.7M
CRMSALESFORCE COM INC
$79.5M
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