WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC Q4 2018 Filing

Filed February 13, 2019

Portfolio Value

$20.1B

Holdings

404

Report Date

Q4 2018

Filing Type

13F-HR

All Holdings (404 positions)

#StockSharesValue% PortfolioType
1
BABAALIBABA GROUP HLDG LTD
5,135,751$704.0B3496.91%
2
TSMTAIWAN SEMICONDUCTOR MFG LTD
16,411,862$605.8B3009.10%
3
SPYSPDR S&P 500 ETF TR
2,257,850$564.3B2802.92%
4
CPRTCOPART INC
6,711,495$320.7B1592.87%
5
RCI/BROGERS COMMUNICATIONS INC
6,232,666$319.5B1587.24%
6
CSGPCOSTAR GROUP INC
843,764$284.6B1413.85%
7
BAHBOOZ ALLEN HAMILTON HLDG COR
5,906,680$266.2B1322.35%
8
BAMBROOKFIELD ASSET MGMT INC
6,930,349$265.8B1320.19%
9
BALLBALL CORP
5,584,534$256.8B1275.47%
10
CNRCANADIAN NATL RY CO
3,309,915$245.3B1218.26%
11
TDTORONTO DOMINION BK ONT
4,925,833$245.0B1216.75%
12
CBOECBOE GLOBAL MARKETS INC
2,480,956$242.7B1205.61%
13
BWXTBWX TECHNOLOGIES INC
6,339,165$242.3B1203.79%
14
LYVLIVE NATION ENTERTAINMENT IN
4,840,275$238.4B1184.11%
15
EEFTEURONET WORLDWIDE INC
2,236,609$229.0B1137.42%
16
BAPCREDICORP LTD
1,027,174$227.7B1131.01%
17
ATGEADTALEM GLOBAL ED INC
4,799,396$227.1B1128.09%
18
EHCENCOMPASS HEALTH CORP
3,578,704$220.8B1096.79%
19
VEEVVEEVA SYS INC
2,368,288$211.5B1050.75%
20
MTNVAIL RESORTS INC
973,998$205.3B1019.96%
21
TFXTELEFLEX INC
786,128$203.2B1009.34%
22
IWDISHARES TR
1,692,000$187.9B933.33%
23
BURLBURLINGTON STORES INC
1,153,790$187.7B932.28%
24
DPZDOMINOS PIZZA INC
750,602$186.1B924.60%
25
HDBHDFC BANK LTD
1,693,880$175.5B871.70%
26
AMZNAMAZON COM INC
116,299$174.7B867.67%
27
MLMMARTIN MARIETTA MATLS INC
1,011,045$173.8B863.15%
28
GKDGRAND CANYON ED INC
1,755,206$168.7B838.20%
29
HCSGHEALTHCARE SVCS GRP INC
4,168,217$167.5B831.91%
30
GOOGLALPHABET INC
157,410$164.5B817.04%
31
TDYTELEDYNE TECHNOLOGIES INC
787,035$163.0B809.51%
32
TRUTRANSUNION
2,812,534$159.8B793.52%
33
PSTGPURE STORAGE INC
9,889,859$159.0B789.93%
34
MIDDMIDDLEBY CORP
1,527,407$156.9B779.41%
35
GDDYGODADDY INC
2,337,360$153.4B761.86%
36
SIXEURSIX FLAGS ENTMT CORP NEW
2,714,561$151.0B750.11%
37
DC4DEXCOM INC
1,255,622$150.4B747.19%
38
PODDINSULET CORP
1,854,198$147.1B730.56%
39
HEIHEICO CORP NEW
2,273,528$143.2B711.47%
40
RG6ROGERS CORP
1,441,688$142.8B709.39%
41
UNHUNITEDHEALTH GROUP INC
556,627$138.7B688.79%
42
GKOSGLAUKOS CORP
2,456,031$138.0B685.25%
43
FIRSTCASH INC
1,904,565$137.8B684.46%
44
NTESNETEASE INC
568,738$133.9B664.96%
45
CECELANESE CORP DEL
1,480,888$133.2B661.81%
46
LGNDLIGAND PHARMACEUTICALS INC
977,284$132.6B658.74%
47
EXASEXACT SCIENCES CORP
2,070,432$130.6B648.94%
48
HORIZON PHARMA PLC
6,672,792$130.4B647.66%
49
JXC1J2 GLOBAL INC
1,868,324$129.6B643.87%
50
SABRSABRE CORP
5,938,707$128.5B638.36%
51
CTLTEURCATALENT INC
4,091,357$127.6B633.66%
52
HTHTHUAZHU GROUP LTD
4,239,510$121.4B602.95%
53
GWREGUIDEWIRE SOFTWARE INC
1,506,233$120.8B600.26%
54
WEXWEX INC
853,439$119.5B593.75%
55
NSYNICE LTD
1,103,769$119.4B593.29%
56
MSFTMICROSOFT CORP
1,138,582$115.6B574.44%
57
RBAGBPRITCHIE BROS AUCTIONEERS
3,485,534$114.0B566.50%
58
NATIONAL INSTRS CORP
2,433,165$110.4B548.47%
59
VIRTVIRTU FINL INC
4,269,107$110.0B546.26%
60
GWRUSDGENESEE & WYO INC
1,481,154$109.6B544.58%
61
MAMASTERCARD INCORPORATED
570,439$107.6B534.54%
62
FTNTFORTINET INC
1,526,503$107.5B534.04%
63
EWZISHARES INC
2,761,000$105.5B523.89%
64
TREXTREX CO INC
1,693,911$100.6B499.46%
65
FSVFIRSTSERVICE CORP NEW
1,438,310$98.5B489.25%
66
AZPNUSDASPEN TECHNOLOGY INC
1,196,304$98.3B488.34%
67
WTWEURWEIGHT WATCHERS INTL INC NEW
2,535,824$97.8B485.58%
68
CAMBREX CORP
2,583,819$97.6B484.63%
69
HGVHILTON GRAND VACATIONS INC
3,575,904$94.4B468.75%
70
ICEINTERCONTINENTAL EXCHANGE IN
1,209,352$91.1B452.52%
71
JLLJONES LANG LASALLE INC
704,673$89.2B443.14%
72
QIAGEN NV
2,586,087$89.1B442.54%
73
NBISYANDEX N V
3,238,596$88.6B439.98%
74
RTN1USDRAYTHEON CO
558,276$85.6B425.25%
75
PENPENUMBRA INC
690,902$84.4B419.37%
76
IEMGISHARES INC
1,748,900$82.5B409.60%
77
WPWORLDPAY INC
1,053,889$80.5B400.11%
78
INGNINOGEN INC
646,263$80.2B398.60%
79
AXTAAXALTA COATING SYS LTD
3,388,304$79.4B394.17%
80
2U INC
1,595,146$79.3B393.96%
81
NUSNU SKIN ENTERPRISES INC
1,291,466$79.2B393.43%
82
ECPGENCORE CAP GROUP INC
3,342,853$78.6B390.21%
83
LWLAMB WESTON HLDGS INC
1,060,574$78.0B387.52%
84
SUSUNCOR ENERGY INC NEW
2,782,118$77.7B386.16%
85
ZTSZOETIS INC
908,203$77.7B385.89%
86
CABOCABLE ONE INC
93,577$76.7B381.20%
87
ADBEADOBE INC
338,677$76.6B380.60%
88
ELLAUDER ESTEE COS INC
585,732$76.2B378.52%
89
ICLRICON PLC
575,983$74.4B369.68%
90
SITESITEONE LANDSCAPE SUPPLY INC
1,337,523$73.9B367.20%
91
WSTWEST PHARMACEUTICAL SVSC INC
749,634$73.5B365.03%
92
EWBCEAST WEST BANCORP INC
1,615,060$70.3B349.21%
93
LULULULULEMON ATHLETICA INC
561,650$68.3B339.27%
94
ULTAULTA BEAUTY INC
268,175$65.7B326.15%
95
PARSLEY ENERGY INC
4,037,727$64.5B320.50%
96
TTCTORO CO
1,078,306$60.3B299.31%
97
PORTOLA PHARMACEUTICALS INC
2,932,813$57.2B284.37%
98
CIGICOLLIERS INTL GROUP INC
1,035,861$57.0B283.15%
99
LQDISHARES TR
500,600$56.5B280.54%
100
1GSNNOVANTA INC
896,421$56.5B280.52%
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