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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 (2015Q3)
Original 13F HR (0001144204-15-064430) filed in 2015.11.12
#
Name
Shares
Value ($)
%
Options
Notes
1 APPLE INC 2,662,539 293,677 2.54%
2 GILEAD SCIENCES INC 2,800,131 274,944 2.38%
3 STARBUCKS CORP 3,697,121 210,144 1.82%
4 VISA INC 2,852,553 198,708 1.72%
5 IDEXX LAB 2,534,311 188,172 1.63%
6 STERICYCLE 1,267,093 176,518 1.53%
7 AMAZON COM INC 298,905 153,006 1.32%
8 AFFILIATED MANAGERS GROUP 893,817 152,833 1.32%
9 MASTERCARD INCORPORATED 1,630,124 146,906 1.27%
10 EXPRESS SCRIPTS HLDG CO 1,582,294 128,102 1.11%
11 FASTENAL CO 3,329,931 121,909 1.05%
12 RED HAT INC 1,636,826 117,654 1.02%
13 BRISTOL MYERS SQUIBB CO 1,930,930 114,310 0.99%
14 WALGREENS BOOTS ALLIANCE INC 1,325,656 110,161 0.95%
15 DANAHER CORP DEL 1,229,960 104,805 0.91%
16 CERNER CORP 1,683,711 100,955 0.87%
17 ISHARES NASDAQ BIOTECHNOLOGY ETF 157,965 100,840 0.87%
18 GOOGLE INC 159,865 97,264 0.84%
19 SCHLUMBERGER LTD 1,398,410 96,448 0.83%
20 FACEBOOK INC 1,050,039 94,398 0.82%
21 VERISK ANALYTICS INC 1,206,349 89,161 0.77%
22 PRA GROUP INC 1,669,363 88,342 0.76%
23 CELGENE CORP 811,161 87,743 0.76%
24 DEXCOM 1,018,485 87,447 0.76%
25 ECOLAB INC 776,672 85,216 0.74%
26 ADOBE INC 995,749 81,870 0.71%
27 O REILLY AUTOMOTIVE INC NEW 326,893 81,723 0.71%
28 Ultimate Software Group Inc 443,545 79,398 0.69%
29 WEX INC 890,638 77,343 0.67%
30 LOWES COS INC 1,105,791 76,211 0.66%
31 EOG RES INC 1,033,646 75,249 0.65%
32 TRANSDIGM GROUP INC COM 347,065 73,720 0.64%
33 MICROSOFT CORP 1,654,787 73,240 0.63%
34 SALESFORCE COM INC 1,051,353 72,995 0.63%
35 GOLDMAN SACHS GROUP INC 397,684 69,101 0.60%
36 WILLIAMS SONOMA INC COM 904,799 69,081 0.60%
37 SPDR S&P 500 ETF TR 351,672 67,390 0.58%
38 COSTCO WHSL CORP NEW 465,168 67,249 0.58%
39 COSTAR GROUP 383,178 66,312 0.57%
40 PRICELINE GRP INC 51,037 63,125 0.55%
41 INTERCONTINENTAL EXCHANGE IN 267,154 62,778 0.54%
42 PRAXAIR INC 593,885 60,493 0.52%
43 AMETEK 1,151,494 60,245 0.52%
44 GUIDEWIRE SOFTWARE INC 1,108,578 58,288 0.50%
45 SIRONA DENTAL SYS INC 619,825 57,854 0.50%
46 COLGATE PALMOLIVE CO 905,169 57,441 0.50%
47 TRACTOR SUPPLY CO 680,991 57,420 0.50%
48 MEAD JOHNSON NUTRITION CO 814,447 57,336 0.50%
49 JOHNSON & JOHNSON 613,827 57,300 0.50%
50 GRAINGER W W INC 264,488 56,867 0.49%
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