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Institutional Investment Manager
BLAIR WILLIAM & CO/IL
BLAIR WILLIAM & CO/IL (CIK: 0000902367) incorporated in Delaware, located at 150 North Riverside Plaza, Chicago, IL. Institutional holdings reported to the SEC.

Institutional Holdings (2015Q1)
Portfolio Summary: 2,163 holdings with a total value of $64,956,677,000.
#
Name
Shares
Value ($)
%
Options
Notes
201 ECOLAB INC 822,609 94,089,000 0.14%
202 SYSMEX CORP 1,687,900 93,878,000 0.14%
203 DISCOVERY LTD 9,094,701 93,677,000 0.14%
204 MTN GROUP LTD 5,524,256 93,467,000 0.14%
205 HEALTHCARE SVCS GRP INC 2,890,764 92,880,000 0.14%
206 DANAHER CORP DEL 1,091,519 92,670,000 0.14%
207 ROCHE HLDGS AG GENUSSCHEINE NPV 334,512 92,333,000 0.14%
208 KASIKORNBANK PLC FOREIGN 12,986,800 91,794,000 0.14%
209 PRAXAIR INC 759,402 91,690,000 0.14%
210 INTERCONTINENTAL EXCHANGE IN 392,158 91,479,000 0.14%
211 DAITO TRUST CONST NPV 802,900 89,881,000 0.14%
212 LUPIN LTD 2,795,822 89,725,000 0.14%
213 QUALCOMM INC 1,288,102 89,317,000 0.14%
214 MALLINCKRODT 702,174 88,930,000 0.14%
215 PERRIGO CO PLC SHS 535,044 88,576,000 0.14%
216 SECOM CO LTD 1,322,600 88,504,000 0.14%
217 TORO CO 1,261,483 88,455,000 0.14%
218 FIBRA UNO ADMINISTRACION SA 33,338,161 88,410,000 0.14%
219 ICON PLC SHS 1,238,170 87,328,000 0.13%
220 Corp Executive Board Co 1,084,366 86,597,000 0.13%
221 PRECISION CASTPARTS 407,234 85,519,000 0.13%
222 CBOE HLDGS INC 1,470,755 84,428,000 0.13%
223 ULTIMATE SOFTWARE GROUP INCORPORATED 495,605 84,230,000 0.13%
224 SPROUTS FMRS MKT INC 2,384,466 84,005,000 0.13%
225 JARDEN CORP 1,576,699 83,407,000 0.13%
226 WNS HOLDINGS LTD 3,394,565 82,555,000 0.13%
227 CONCHO RESOURCES 707,777 82,045,000 0.13%
228 ZEBRA TECHNOLOGIES CORPORATION CL A 893,051 81,012,000 0.12%
229 CK HUTCHISON HOLDINGS LTD 3,949,639 80,898,000 0.12%
230 COLLIERS INTL GROUP INCF 1,249,861 80,890,000 0.12%
231 HEXCEL CORP NEW COM 1,571,903 80,827,000 0.12%
232 BUNZL PLC 2,965,501 80,606,000 0.12%
233 BOOZ ALLEN HAMILTON HLDG COR 2,779,568 80,441,000 0.12%
234 ICF INTL INC COM 1,945,498 79,473,000 0.12%
235 KONE OYJ-B 1,786,898 79,222,000 0.12%
236 BROOKDALE SR LIVING INC 2,085,023 78,730,000 0.12%
237 QUINTILES IMS HOLDINGS INC 1,174,957 78,687,000 0.12%
238 AIRGAS INC 738,004 78,309,000 0.12%
239 CLARIANT AG-REG 3,877,271 77,601,000 0.12%
240 NIDEC CORP 1,156,600 77,030,000 0.12%
241 CHOICE HOTELS INTL NEW 1,192,411 76,398,000 0.12%
242 CANADIAN NATL RY CO 1,141,110 76,305,000 0.12%
243 TATA MTRS LTD 1,687,200 76,025,000 0.12%
244 ASHTEAD GROUP PLC AHT LN 4,666,302 75,090,000 0.12%
245 CHURCH & DWIGHT 873,584 74,621,000 0.11%
246 ASTRA INTERNATIONAL TBK PT 113,620,288 74,516,000 0.11%
247 INDUSIND BANK LTD 5,248,128 74,301,000 0.11%
248 ASPEN PHARMACARE HOLDINGS 2,343,519 74,273,000 0.11%
249 ZHUZHOU CSR TIMES ELECTRIC-H 11,208,000 73,582,000 0.11%
250 CNOOC LTD 51,857,000 73,307,000 0.11%
Page 5 of 44

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001144204-15-029134, filed 2015.05.11).

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.