WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC Q1 2019 Filing

Filed May 10, 2019

Portfolio Value

$23.8T

Holdings

406

Report Date

Q1 2019

Filing Type

13F-HR

All Holdings (406 positions)

#StockSharesValue% PortfolioType
1
BABAALIBABA GROUP HLDG LTD
5,875,282$1.1T4.51%
2
TSMTAIWAN SEMICONDUCTOR MFG LTD
16,414,883$672.3B2.83%
3
SPYSPDR S&P 500 ETF TR
2,070,600$584.9B2.46%
4
CPRTCOPART INC
6,662,679$403.7B1.70%
5
CSGPCOSTAR GROUP INC
836,498$390.2B1.64%
6
BAMBROOKFIELD ASSET MGMT INC
7,352,499$343.0B1.44%
7
BAHBOOZ ALLEN HAMILTON HLDG COR
5,790,318$336.6B1.42%
8
RCI/BROGERS COMMUNICATIONS INC
6,079,884$327.0B1.38%
9
EEFTEURONET WORLDWIDE INC
2,220,442$316.6B1.33%
10
BWXTBWX TECHNOLOGIES INC
6,352,778$315.0B1.33%
11
CNRCANADIAN NATL RY CO
3,431,077$307.2B1.29%
12
BALLBALL CORP
5,045,887$292.0B1.23%
13
VEEVVEEVA SYS INC
2,235,625$283.6B1.19%
14
PSTGPURE STORAGE INC
12,650,885$275.7B1.16%
15
BURLBURLINGTON STORES INC
1,698,826$266.2B1.12%
16
TDTORONTO DOMINION BK ONT
4,806,854$260.9B1.10%
17
LYVLIVE NATION ENTERTAINMENT IN
4,086,320$259.6B1.09%
18
BAPCREDICORP LTD
1,014,509$243.4B1.02%
19
RG6ROGERS CORP
1,514,044$240.6B1.01%
20
DPZDOMINOS PIZZA INC
911,602$235.3B0.99%
21
CBOECBOE GLOBAL MARKETS INC
2,451,752$234.0B0.98%
22
TFXTELEFLEX INC
772,725$233.5B0.98%
23
ATGEADTALEM GLOBAL ED INC
4,784,473$221.6B0.93%
24
MTNVAIL RESORTS INC
990,320$215.2B0.91%
25
TRUTRANSUNION
3,167,806$211.7B0.89%
26
CHKPCHECK POINT SOFTWARE TECH LT
1,651,678$208.9B0.88%
27
AMZNAMAZON COM INC
116,800$208.0B0.88%
28
EHCENCOMPASS HEALTH CORP
3,543,320$206.9B0.87%
29
HTHTHUAZHU GROUP LTD
4,903,492$206.6B0.87%
30
GKDGRAND CANYON ED INC
1,785,701$204.5B0.86%
31
PODDINSULET CORP
2,144,988$204.0B0.86%
32
MLMMARTIN MARIETTA MATLS INC
1,005,058$202.2B0.85%
33
MIDDMIDDLEBY CORP
1,507,330$196.0B0.82%
34
GKOSGLAUKOS CORP
2,465,432$193.2B0.81%
35
HEIHEICO CORP NEW
2,259,747$190.0B0.80%
36
HDBHDFC BANK LTD
1,599,678$185.4B0.78%
37
TDYTELEDYNE TECHNOLOGIES INC
780,383$185.0B0.78%
38
GOOGLALPHABET INC
157,085$184.9B0.78%
39
HORIZON PHARMA PLC
6,942,357$183.5B0.77%
40
EWBCEAST WEST BANCORP INC
3,757,889$180.3B0.76%
41
TREXTREX CO INC
2,864,456$176.2B0.74%
42
GDDYGODADDY INC
2,311,832$173.8B0.73%
43
NTESNETEASE INC
691,360$166.9B0.70%
44
CTLTEURCATALENT INC
4,086,922$165.9B0.70%
45
WEXWEX INC
859,569$165.0B0.69%
46
AZPNUSDASPEN TECHNOLOGY INC
1,582,680$165.0B0.69%
47
FIRSTCASH INC
1,906,913$164.9B0.69%
48
JXC1J2 GLOBAL INC
1,836,845$159.1B0.67%
49
IWDISHARES TR
1,223,090$151.0B0.64%
50
CECELANESE CORP DEL
1,469,476$144.9B0.61%
51
PORTOLA PHARMACEUTICALS INC
4,154,870$144.2B0.61%
52
UNHUNITEDHEALTH GROUP INC
573,035$141.7B0.60%
53
GWREGUIDEWIRE SOFTWARE INC
1,448,946$140.8B0.59%
54
LWLAMB WESTON HLDGS INC
1,866,540$139.9B0.59%
55
HCSGHEALTHCARE SVCS GRP INC
4,203,079$138.7B0.58%
56
MAMASTERCARD INC
576,436$135.7B0.57%
57
NSYNICE LTD
1,106,946$135.6B0.57%
58
MSFTMICROSOFT CORP
1,117,106$131.8B0.55%
59
SABRSABRE CORP
6,107,374$130.6B0.55%
60
GWRUSDGENESEE & WYO INC
1,480,785$129.0B0.54%
61
FSVFIRSTSERVICE CORP NEW
1,441,060$128.7B0.54%
62
EXASEXACT SCIENCES CORP
1,417,867$122.8B0.52%
63
RBAGBPRITCHIE BROS AUCTIONEERS
3,558,623$121.0B0.51%
64
2U INC
1,605,992$113.8B0.48%
65
DC4DEXCOM INC
939,657$111.9B0.47%
66
LGNDLIGAND PHARMACEUTICALS INC
887,642$111.6B0.47%
67
WWAYFAIR INC
750,968$111.5B0.47%
68
NBISYANDEX N V
3,212,410$110.3B0.46%
69
RTN1USDRAYTHEON CO
571,414$104.0B0.44%
70
CAMBREX CORP
2,659,481$103.3B0.43%
71
STESTERIS PLC
803,400$102.9B0.43%
72
ELLAUDER ESTEE COS INC
617,962$102.3B0.43%
73
QIAGEN NV
2,490,548$101.3B0.43%
74
PENPENUMBRA INC
686,813$101.0B0.42%
75
TMETENCENT MUSIC ENTMT GROUP
5,528,624$100.1B0.42%
76
INGNINOGEN INC
1,048,413$100.0B0.42%
77
HGVHILTON GRAND VACATIONS INC
3,237,969$99.9B0.42%
78
VIRTVIRTU FINL INC
4,093,199$97.2B0.41%
79
ADBEADOBE INC
354,504$94.5B0.40%
80
CABOCABLE ONE INC
95,033$93.3B0.39%
81
ICEINTERCONTINENTAL EXCHANGE IN
1,200,174$91.4B0.38%
82
ECPGENCORE CAP GROUP INC
3,342,262$91.0B0.38%
83
ZTSZOETIS INC
903,733$91.0B0.38%
84
PYPLPAYPAL HLDGS INC
866,974$90.0B0.38%
85
CP.TOCANADIAN PAC RY LTD
429,129$88.4B0.37%
86
EWZISHARES INC
2,093,240$85.8B0.36%
87
WPWORLDPAY INC
753,219$85.5B0.36%
88
ULTAULTA BEAUTY INC
241,106$84.1B0.35%
89
JLLJONES LANG LASALLE INC
522,404$80.5B0.34%
90
MXLMAXLINEAR INC
3,111,276$79.4B0.33%
91
SITESITEONE LANDSCAPE SUPPLY INC
1,340,641$76.6B0.32%
92
ICLRICON PLC
555,287$75.8B0.32%
93
1GSNNOVANTA INC
891,021$75.5B0.32%
94
AXTAAXALTA COATING SYS LTD
2,917,662$73.6B0.31%
95
PARSLEY ENERGY INC
3,793,100$73.2B0.31%
96
GLOBGLOBANT S A
1,004,844$71.7B0.30%
97
TTCTORO CO
1,041,831$71.7B0.30%
98
NATIONAL INSTRS CORP
1,587,109$70.4B0.30%
99
CIGICOLLIERS INTL GROUP INC
1,041,494$69.5B0.29%
100
IEMGISHARES INC
1,290,800$66.7B0.28%
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