WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC Q2 2021 Filing

Filed August 12, 2021

Portfolio Value

$31.9B

Holdings

465

Report Date

Q2 2021

Filing Type

13F-HR

All Holdings (465 positions)

StockValue
TSMTAIWAN SEMICONDUCTOR MFG LTD
$1.3B
SPYSPDR S&P 500 ETF TR
$556.4M
MSFTMICROSOFT CORP
$531.7M
AMZNAMAZON COM INC
$438.8M
BWXTBWX TECHNOLOGIES INC
$427.5M
MLB1MERCADOLIBRE INC
$419.9M
HZNPHORIZON THERAPEUTICS PUB L
$411.4M
SESEA LTD
$406.4M
BCOBRINKS CO
$403.7M
GOOGLALPHABET INC
$387.9M
CNRCANADIAN NATL RY CO
$382.8M
AZTABROOKS AUTOMATION INC NEW
$363.2M
CRLCHARLES RIV LABS INTL INC
$362.0M
BLDRBUILDERS FIRSTSOURCE INC
$359.4M
CCKCROWN HLDGS INC
$347.7M
EEFTEURONET WORLDWIDE INC
$343.9M
AXONAXON ENTERPRISE INC
$340.6M
MLMMARTIN MARIETTA MATLS INC
$340.6M
GNRCGENERAC HLDGS INC
$337.8M
DTDYNATRACE INC
$333.7M
NSYNICE LTD
$328.7M
TREXTREX CO INC
$320.3M
BFAMBRIGHT HORIZONS FAM SOL IN D
$313.6M
EHCENCOMPASS HEALTH CORP
$308.8M
PSTGPURE STORAGE INC
$306.8M
TECHBIO-TECHNE CORP
$306.6M
HQYHEALTHEQUITY INC
$300.0M
ACHCACADIA HEALTHCARE COMPANY IN
$296.6M
CCOCAMECO CORP
$295.7M
NBISYANDEX N V
$292.6M
ABMDEURABIOMED INC
$291.1M
DENEURDENBURY INC
$285.6M
MAMASTERCARD INCORPORATED
$281.5M
LULULULULEMON ATHLETICA INC
$272.4M
LYVLIVE NATION ENTERTAINMENT IN
$269.7M
FOXFFOX FACTORY HLDG CORP
$253.1M
PYPLPAYPAL HLDGS INC
$244.7M
RYAAYRYANAIR HOLDINGS PLC
$243.9M
BURLBURLINGTON STORES INC
$238.0M
GWREGUIDEWIRE SOFTWARE INC
$233.8M
RBAGBPRITCHIE BROS AUCTIONEERS
$232.6M
MRCYMERCURY SYS INC
$224.4M
WHWYNDHAM HOTELS & RESORTS INC
$223.4M
MMSIMERIT MED SYS INC
$222.3M
ALRMALARM COM HLDGS INC
$221.9M
HALOHALOZYME THERAPEUTICS INC
$221.7M
TXG10X GENOMICS INC
$220.5M
GDDYGODADDY INC
$217.9M
JXC1J2 GLOBAL INC
$214.2M
PODDINSULET CORP
$213.8M
TEAMATLASSIAN CORP PLC
$212.7M
ZNGAEURZYNGA INC
$212.3M
VRNSVARONIS SYS INC
$211.3M
ARESARES MANAGEMENT CORPORATION
$208.8M
AZPNUSDASPEN TECHNOLOGY INC
$208.6M
WEAWESTERN ALLIANCE BANCORP
$206.6M
CABOCABLE ONE INC
$205.4M
AVLRUSDAVALARA INC
$204.2M
GLOBGLOBANT S A
$201.3M
EYENATIONAL VISION HLDGS INC
$197.7M
ZEN1EURZENDESK INC
$196.8M
HDBHDFC BANK LTD
$194.2M
VIRTVIRTU FINL INC
$194.0M
UNHUNITEDHEALTH GROUP INC
$189.8M
PENPENUMBRA INC
$189.3M
RSTEM INC
$188.7M
ENQENTEGRIS INC
$187.2M
RVLVREVOLVE GROUP INC
$182.9M
GKDGRAND CANYON ED INC
$181.1M
AMEDAMEDISYS INC
$179.9M
PEGAPEGASYSTEMS INC
$178.3M
ADBEADOBE SYSTEMS INCORPORATED
$178.2M
NATIONAL INSTRS CORP
$177.4M
FSVFIRSTSERVICE CORP NEW
$176.0M
HELEHELEN OF TROY LTD
$175.7M
SERVUSDTERMINIX GLOBAL HOLDINGS INC
$172.2M
CRMSALESFORCE COM INC
$171.7M
BJBJS WHSL CLUB HLDGS INC
$166.6M
LGNDLIGAND PHARMACEUTICALS INC
$163.5M
NKENIKE INC
$161.7M
LECOLINCOLN ELEC HLDGS INC
$161.6M
VCYTVERACYTE INC
$161.5M
LESLIES INC
$161.0M
FIRSTCASH INC
$149.7M
ELLAUDER ESTEE COS INC
$148.5M
INSPINSPIRE MED SYS INC
$147.2M
IM8NINSMED INC
$143.0M
CREE INC
$139.9M
TFXTELEFLEX INCORPORATED
$137.4M
1GSNNOVANTA INC
$135.3M
CERTCERTARA INC
$135.2M
ZTSZOETIS INC
$132.8M
CPRTCOPART INC
$132.7M
ICLRICON PLC
$130.9M
NFENEW FORTRESS ENERGY INC
$130.1M
WKWORKIVA INC
$128.5M
TMETENCENT MUSIC ENTMT GROUP
$126.5M
CELHCELSIUS HLDGS INC
$119.6M
HEIHEICO CORP NEW
$115.2M
HHR1USDHEADHUNTER GROUP PLC
$112.9M
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