WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC Q3 2021 Filing

Filed November 10, 2021

Portfolio Value

$35.5B

Holdings

431

Report Date

Q3 2021

Filing Type

13F-HR

All Holdings (431 positions)

#StockSharesValue% PortfolioType
1
TSMTAIWAN SEMICONDUCTOR MFG LTD
11,012,683$1.2T3467.68%
2
MSFTMICROSOFT CORP
1,882,267$530.6B1496.58%
3
SESEA LTD
1,603,559$511.1B1441.34%
4
MLB1MERCADOLIBRE INC
300,376$504.5B1422.70%
5
BLDRBUILDERS FIRSTSOURCE INC
8,491,616$439.4B1239.11%
6
CNRCANADIAN NATL RY CO
3,614,349$418.3B1179.83%
7
AMZNAMAZON COM INC
122,696$403.1B1136.75%
8
DTDYNATRACE INC
5,616,900$398.6B1124.25%
9
GOOGLALPHABET INC
147,079$393.2B1108.99%
10
BWXTBWX TECHNOLOGIES INC
7,253,158$390.7B1101.76%
11
CRLCHARLES RIV LABS INTL INC
942,596$389.0B1097.04%
12
PSTGPURE STORAGE INC
15,458,782$388.9B1096.93%
13
AZTABROOKS AUTOMATION INC NEW
3,767,076$385.6B1087.39%
14
NSYNICE LTD
1,346,033$382.3B1078.23%
15
SPYSPDR S&P 500 ETF TR
835,250$358.4B1010.90%
16
HZNPHORIZON THERAPEUTICS PUB L
3,117,368$341.5B963.06%
17
CCKCROWN HLDGS INC
3,360,442$338.7B955.13%
18
NBISYANDEX N V
4,224,029$336.6B949.35%
19
AXONAXON ENTERPRISE INC
1,879,180$328.9B927.58%
20
BCOBRINKS CO
5,135,768$325.1B916.86%
21
TEAMATLASSIAN CORP PLC
823,981$322.5B909.61%
22
TREXTREX CO INC
3,153,468$321.4B906.53%
23
EEFTEURONET WORLDWIDE INC
2,514,888$320.1B902.76%
24
CCOCAMECO CORP
14,624,529$317.8B896.26%
25
TECHBIO-TECHNE CORP
653,844$316.8B893.56%
26
ABMDEURABIOMED INC
962,347$313.3B883.49%
27
LULULULULEMON ATHLETICA INC
742,954$300.7B847.98%
28
BFAMBRIGHT HORIZONS FAM SOL IN D
2,097,165$292.4B824.62%
29
MLMMARTIN MARIETTA MATLS INC
848,812$290.0B817.95%
30
MAMASTERCARD INCORPORATED
816,470$283.9B800.60%
31
LYVLIVE NATION ENTERTAINMENT IN
3,094,573$282.0B795.34%
32
GLOBGLOBANT S A
988,687$277.8B783.56%
33
RYAAYRYANAIR HOLDINGS PLC
2,413,675$265.7B749.24%
34
ACHCACADIA HEALTHCARE COMPANY IN
4,136,902$263.9B744.14%
35
ARESARES MANAGEMENT CORPORATION
3,436,372$253.7B715.53%
36
DENEURDENBURY INC
3,509,349$246.5B695.29%
37
HQYHEALTHEQUITY INC
3,769,799$244.1B688.52%
38
GWREGUIDEWIRE SOFTWARE INC
2,043,914$243.0B685.22%
39
MMSIMERIT MED SYS INC
3,382,662$242.9B684.98%
40
FOXFFOX FACTORY HLDG CORP
1,659,616$239.9B676.53%
41
ICLRICON PLC
913,720$239.4B675.21%
42
VIRTVIRTU FINL INC
9,732,667$237.8B670.58%
43
WHWYNDHAM HOTELS & RESORTS INC
3,056,427$235.9B665.38%
44
WEAWESTERN ALLIANCE BANCORP
2,166,855$235.8B665.02%
45
EHCENCOMPASS HEALTH CORP
3,097,196$232.4B655.47%
46
VRNSVARONIS SYS INC
3,625,705$220.6B622.22%
47
PYPLPAYPAL HLDGS INC
844,451$219.7B619.72%
48
PODDINSULET CORP
767,661$218.2B615.36%
49
EYENATIONAL VISION HLDGS INC
3,833,190$217.6B613.72%
50
OVEROVERSTOCK COM INC DEL
2,790,599$217.4B613.25%
51
AVLRUSDAVALARA INC
1,243,659$217.4B613.00%
52
BURLBURLINGTON STORES INC
745,753$211.5B596.41%
53
ALRMALARM COM HLDGS INC
2,672,781$209.0B589.40%
54
INSPINSPIRE MED SYS INC
895,976$208.7B588.47%
55
HALOHALOZYME THERAPEUTICS INC
4,996,708$203.3B573.27%
56
HDBHDFC BANK LTD
2,773,304$202.7B571.72%
57
RVLVREVOLVE GROUP INC
3,278,058$202.5B571.07%
58
RBAGBPRITCHIE BROS AUCTIONEERS
3,247,206$200.2B564.69%
59
CABOCABLE ONE INC
110,017$199.5B562.58%
60
ENQENTEGRIS INC
1,566,915$197.3B556.37%
61
CRMSALESFORCE COM INC
724,839$196.6B554.44%
62
LGNDLIGAND PHARMACEUTICALS INC
1,375,941$191.7B540.64%
63
VCYTVERACYTE INC
3,996,212$185.6B523.51%
64
PENPENUMBRA INC
681,922$181.7B512.54%
65
FSVFIRSTSERVICE CORP NEW
991,627$179.0B504.74%
66
SEDGSOLAREDGE TECHNOLOGIES INC
668,168$177.2B499.79%
67
HELEHELEN OF TROY LTD
786,289$176.7B498.24%
68
2L9BLUEPRINT MEDICINES CORP
1,717,164$176.5B497.90%
69
UNHUNITEDHEALTH GROUP INC
442,507$172.9B487.64%
70
FIRSTCASH INC
1,947,346$170.4B480.56%
71
ADBEADOBE SYSTEMS INCORPORATED
291,367$167.7B473.09%
72
NATIONAL INSTRS CORP
4,274,364$167.7B472.91%
73
GDDYGODADDY INC
2,389,593$166.6B469.73%
74
GKDGRAND CANYON ED INC
1,889,011$166.2B468.61%
75
PFGCPERFORMANCE FOOD GROUP CO
3,548,519$164.9B464.96%
76
TXG10X GENOMICS INC
1,109,886$161.6B455.69%
77
PEGAPEGASYSTEMS INC
1,264,248$160.7B453.18%
78
WKWORKIVA INC
1,138,057$160.4B452.43%
79
CHECHEMED CORP NEW
341,857$159.0B448.44%
80
MRCYMERCURY SYS INC
3,348,212$158.8B447.78%
81
LESLIES INC
7,712,227$158.4B446.76%
82
ZEN1EURZENDESK INC
1,343,577$156.4B441.03%
83
LECOLINCOLN ELEC HLDGS INC
1,203,471$155.0B437.13%
84
1GSNNOVANTA INC
993,528$153.5B432.91%
85
NKENIKE INC
1,031,041$149.7B422.30%
86
CERTCERTARA INC
4,506,196$149.2B420.66%
87
SERVUSDTERMINIX GLOBAL HOLDINGS INC
3,564,167$148.5B418.87%
88
HHR1USDHEADHUNTER GROUP PLC
2,964,729$144.7B408.01%
89
CELHCELSIUS HLDGS INC
1,594,242$143.6B405.06%
90
IM8NINSMED INC
4,976,041$137.0B386.49%
91
ZNGAEURZYNGA INC
18,114,058$136.4B384.68%
92
ZTSZOETIS INC
693,960$134.7B379.96%
93
ELLAUDER ESTEE COS INC
448,841$134.6B379.67%
94
INMDINMODE LTD
839,394$133.8B377.47%
95
TWSTTWIST BIOSCIENCE CORP
1,197,584$128.1B361.30%
96
CPRTCOPART INC
916,309$127.1B358.49%
97
AMDADVANCED MICRO DEVICES INC
1,180,488$121.5B342.59%
98
RSTEM INC
4,999,241$119.4B336.83%
99
GTLSCHART INDS INC
624,750$119.4B336.73%
100
WIXWIX COM LTD
589,054$115.4B325.57%
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