WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC Q2 2021 Filing

Filed August 12, 2021

Portfolio Value

$31.9T

Holdings

465

Report Date

Q2 2021

Filing Type

13F-HR

All Holdings (465 positions)

#StockSharesValue% PortfolioType
1
TSMTAIWAN SEMICONDUCTOR MFG LTD
10,834,733$1.3T4.09%
2
SPYSPDR S&P 500 ETF TR
1,299,860$556.4B1.75%
3
MSFTMICROSOFT CORP
1,962,805$531.7B1.67%
4
AMZNAMAZON COM INC
127,552$438.8B1.38%
5
BWXTBWX TECHNOLOGIES INC
7,355,391$427.5B1.34%
6
MLB1MERCADOLIBRE INC
269,527$419.9B1.32%
7
HZNPHORIZON THERAPEUTICS PUB L
4,393,687$411.4B1.29%
8
SESEA LTD
1,480,104$406.4B1.28%
9
BCOBRINKS CO
5,253,237$403.7B1.27%
10
GOOGLALPHABET INC
158,841$387.9B1.22%
11
CNRCANADIAN NATL RY CO
3,628,682$382.8B1.20%
12
AZTABROOKS AUTOMATION INC NEW
3,812,057$363.2B1.14%
13
CRLCHARLES RIV LABS INTL INC
978,478$362.0B1.14%
14
BLDRBUILDERS FIRSTSOURCE INC
8,423,997$359.4B1.13%
15
CCKCROWN HLDGS INC
3,402,062$347.7B1.09%
16
EEFTEURONET WORLDWIDE INC
2,541,016$343.9B1.08%
17
AXONAXON ENTERPRISE INC
1,926,401$340.6B1.07%
18
MLMMARTIN MARIETTA MATLS INC
968,012$340.6B1.07%
19
GNRCGENERAC HLDGS INC
813,574$337.8B1.06%
20
DTDYNATRACE INC
5,712,232$333.7B1.05%
21
NSYNICE LTD
1,328,509$328.7B1.03%
22
TREXTREX CO INC
3,134,136$320.3B1.01%
23
BFAMBRIGHT HORIZONS FAM SOL IN D
2,131,955$313.6B0.98%
24
EHCENCOMPASS HEALTH CORP
3,957,368$308.8B0.97%
25
PSTGPURE STORAGE INC
15,706,793$306.8B0.96%
26
TECHBIO-TECHNE CORP
680,979$306.6B0.96%
27
HQYHEALTHEQUITY INC
3,727,613$300.0B0.94%
28
ACHCACADIA HEALTHCARE COMPANY IN
4,726,796$296.6B0.93%
29
CCOCAMECO CORP
15,414,574$295.7B0.93%
30
NBISYANDEX N V
4,135,772$292.6B0.92%
31
ABMDEURABIOMED INC
932,573$291.1B0.91%
32
DENEURDENBURY INC
3,719,598$285.6B0.90%
33
MAMASTERCARD INCORPORATED
771,019$281.5B0.88%
34
LULULULULEMON ATHLETICA INC
746,332$272.4B0.85%
35
LYVLIVE NATION ENTERTAINMENT IN
3,079,663$269.7B0.85%
36
FOXFFOX FACTORY HLDG CORP
1,625,709$253.1B0.79%
37
PYPLPAYPAL HLDGS INC
839,537$244.7B0.77%
38
RYAAYRYANAIR HOLDINGS PLC
2,253,753$243.9B0.77%
39
BURLBURLINGTON STORES INC
739,099$238.0B0.75%
40
GWREGUIDEWIRE SOFTWARE INC
2,073,722$233.8B0.73%
41
RBAGBPRITCHIE BROS AUCTIONEERS
3,923,307$232.6B0.73%
42
MRCYMERCURY SYS INC
3,385,827$224.4B0.70%
43
WHWYNDHAM HOTELS & RESORTS INC
3,090,470$223.4B0.70%
44
MMSIMERIT MED SYS INC
3,437,318$222.3B0.70%
45
ALRMALARM COM HLDGS INC
2,619,619$221.9B0.70%
46
HALOHALOZYME THERAPEUTICS INC
4,882,486$221.7B0.70%
47
TXG10X GENOMICS INC
1,126,207$220.5B0.69%
48
GDDYGODADDY INC
2,505,218$217.9B0.68%
49
JXC1J2 GLOBAL INC
1,557,357$214.2B0.67%
50
PODDINSULET CORP
778,886$213.8B0.67%
51
TEAMATLASSIAN CORP PLC
827,956$212.7B0.67%
52
ZNGAEURZYNGA INC
19,975,793$212.3B0.67%
53
VRNSVARONIS SYS INC
3,667,772$211.3B0.66%
54
ARESARES MANAGEMENT CORPORATION
3,282,854$208.8B0.66%
55
AZPNUSDASPEN TECHNOLOGY INC
1,516,682$208.6B0.65%
56
WEAWESTERN ALLIANCE BANCORP
2,224,590$206.6B0.65%
57
CABOCABLE ONE INC
107,373$205.4B0.64%
58
AVLRUSDAVALARA INC
1,261,946$204.2B0.64%
59
GLOBGLOBANT S A
918,219$201.3B0.63%
60
EYENATIONAL VISION HLDGS INC
3,866,549$197.7B0.62%
61
ZEN1EURZENDESK INC
1,363,110$196.8B0.62%
62
HDBHDFC BANK LTD
2,656,650$194.2B0.61%
63
VIRTVIRTU FINL INC
7,022,489$194.0B0.61%
64
UNHUNITEDHEALTH GROUP INC
474,003$189.8B0.60%
65
PENPENUMBRA INC
690,700$189.3B0.59%
66
RSTEM INC
5,240,740$188.7B0.59%
67
ENQENTEGRIS INC
1,522,366$187.2B0.59%
68
RVLVREVOLVE GROUP INC
2,654,967$182.9B0.57%
69
GKDGRAND CANYON ED INC
2,012,454$181.1B0.57%
70
AMEDAMEDISYS INC
734,573$179.9B0.56%
71
PEGAPEGASYSTEMS INC
1,281,078$178.3B0.56%
72
ADBEADOBE SYSTEMS INCORPORATED
304,281$178.2B0.56%
73
NATIONAL INSTRS CORP
4,196,616$177.4B0.56%
74
FSVFIRSTSERVICE CORP NEW
1,027,856$176.0B0.55%
75
HELEHELEN OF TROY LTD
770,358$175.7B0.55%
76
SERVUSDTERMINIX GLOBAL HOLDINGS INC
3,609,371$172.2B0.54%
77
CRMSALESFORCE COM INC
703,094$171.7B0.54%
78
BJBJS WHSL CLUB HLDGS INC
3,501,494$166.6B0.52%
79
LGNDLIGAND PHARMACEUTICALS INC
1,246,452$163.5B0.51%
80
NKENIKE INC
1,046,553$161.7B0.51%
81
LECOLINCOLN ELEC HLDGS INC
1,226,893$161.6B0.51%
82
VCYTVERACYTE INC
4,038,841$161.5B0.51%
83
LESLIES INC
5,855,447$161.0B0.51%
84
FIRSTCASH INC
1,958,522$149.7B0.47%
85
ELLAUDER ESTEE COS INC
466,861$148.5B0.47%
86
INSPINSPIRE MED SYS INC
761,475$147.2B0.46%
87
IM8NINSMED INC
5,026,184$143.0B0.45%
88
CREE INC
1,429,025$139.9B0.44%
89
TFXTELEFLEX INCORPORATED
342,091$137.4B0.43%
90
1GSNNOVANTA INC
1,003,925$135.3B0.42%
91
CERTCERTARA INC
4,772,766$135.2B0.42%
92
ZTSZOETIS INC
712,430$132.8B0.42%
93
CPRTCOPART INC
1,006,714$132.7B0.42%
94
ICLRICON PLC
633,067$130.9B0.41%
95
NFENEW FORTRESS ENERGY INC
3,435,074$130.1B0.41%
96
WKWORKIVA INC
1,154,294$128.5B0.40%
97
TMETENCENT MUSIC ENTMT GROUP
8,170,644$126.5B0.40%
98
CELHCELSIUS HLDGS INC
1,571,285$119.6B0.38%
99
HEIHEICO CORP NEW
927,931$115.2B0.36%
100
HHR1USDHEADHUNTER GROUP PLC
2,663,974$112.9B0.35%
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