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Institutional Investment Manager
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC (CIK: 0001644956). Institutional holdings reported to the SEC.

Institutional Holdings (2017Q1)
Portfolio Summary: 432 holdings with a total value of $26,476,249,000.
#
Name
Shares
Value ($)
%
Options
Notes
101 ALPHABET INC 104,214 86,452,000 0.33%
102 AMEDISYS INC COM 1,632,242 83,391,000 0.31%
103 MARTIN MARIETTA MATLS INC 379,448 82,815,000 0.31%
104 IDEXX LAB 526,100 81,340,000 0.31%
105 BIOGEN INC 293,047 80,125,000 0.30%
106 TYSON FOODS INC 1,284,330 79,256,000 0.30%
107 COSTCO WHSL CORP NEW 472,192 79,182,000 0.30%
108 ISHARES TR 693,500 78,920,000 0.30%
109 EAST WEST BANCORP INC 1,504,334 77,639,000 0.29%
110 IBERIABANK CORP COM 975,936 77,197,000 0.29%
111 ACCENTURE PLC IRELAND 641,952 76,957,000 0.29%
112 ISHARES TR 2,435,295 76,675,000 0.29%
113 VANECK VECTORS ETF TR 3,632,400 75,082,000 0.28%
114 SITEONE LANDSCAPE SUPPLY INC 1,550,697 75,069,000 0.28%
115 EURONET WORLDWIDE INC 839,346 71,781,000 0.27%
116 CBOE HLDGS INC 878,234 71,198,000 0.27%
117 ENCORE CAP GROUP INC 2,250,437 69,313,000 0.26%
118 PPG INDS INC 651,974 68,509,000 0.26%
119 DIAMONDBACK ENERGY INC 656,211 68,059,000 0.26%
120 ISHARES TR 570,900 67,315,000 0.25%
121 NASDAQ OMX GROUP 960,568 66,711,000 0.25%
122 YANDEX N V 3,036,298 66,586,000 0.25%
123 CONCHO RESOURCES 506,375 64,988,000 0.25%
124 JONES LANG LASALLE 580,378 64,683,000 0.24%
125 JPMORGAN CHASE & CO 735,718 64,625,000 0.24%
126 BLACKROCK INC 166,476 63,845,000 0.24%
127 PANERA BREAD CO 243,470 63,757,000 0.24%
128 FOMENTO ECONOMICO MEXICANO S 701,068 62,059,000 0.23%
129 CEMEX SAB DE CV 6,748,177 61,206,000 0.23%
130 CERNER CORP 1,022,593 60,180,000 0.23%
131 COLLIERS INTL GROUP INC 1,247,269 58,871,000 0.22%
132 WD-40 CO 535,862 58,382,000 0.22%
133 LOWES COS INC 697,237 57,320,000 0.22%
134 GOLDMAN SACHS GROUP INC 246,057 56,524,000 0.21%
135 BLUE BUFFALO PET PRODS INC 2,446,262 56,264,000 0.21%
136 CHINA LODGING GROUP LTD 905,083 56,160,000 0.21%
137 WEIBO CORP 1,074,507 56,068,000 0.21%
138 TRANSDIGM GROUP INC 244,804 53,896,000 0.20%
139 DOLLARAMA INC 651,836 53,866,000 0.20%
140 ICON PLC 640,792 51,084,000 0.19%
141 CHIPOTLE MEXICAN GRILL INC 114,270 50,910,000 0.19%
142 SELECT SECTOR SPDR TR 990,000 50,797,000 0.19%
143 TATA MTRS LTD 1,404,591 50,074,000 0.19%
144 NU SKIN ENTERPRISES INC 900,078 49,990,000 0.19%
145 NIKE INC 894,088 49,828,000 0.19%
146 ISHARES TR 432,670 49,195,000 0.19%
147 OM ASSET MGMT PLC SHS 3,238,293 48,963,000 0.18%
148 CARMAX INC 799,899 47,370,000 0.18%
149 CABLE ONE INC 75,837 47,358,000 0.18%
150 Acxiom Corp 1,655,454 47,131,000 0.18%
Page 3 of 9

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001144204-17-026093, filed 2017.05.10).

From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.