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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 MARKET VECTORS INDIA SC ETF 5,555 234 0.00%
2 100000TH MARRIOTT INTL A 34,100 0 0.00%
3 2U INC 107,206 3,849 0.03%
4 3M CO 157,217 22,288 0.19%
5 A WTS KCG HOLDINGS INC WT EXP 624,934 0 0.00%
6 AAC HLDGS INC 174,390 3,880 0.03%
7 ABB LTD 82,505 1,458 0.01%
8 ABBOTT LABS 1,290,139 51,889 0.45%
9 ABBVIE INC 815,637 44,379 0.38%
10 ABIOMED INC 250,094 23,198 0.20%
11 ABM INDS INC 56,718 1,548 0.01%
12 ACCELERATE DIAGNOSTICS INC 18,620 301 0.00%
13 ACCENTURE PLC CLS A USD0.0000225 317,459 31,193 0.27%
14 ACETO CORP 20,632 566 0.00%
15 ACHAOGEN INCORPORATED 33,728 194 0.00%
16 ACHILLION PHARMACEUTICALS IN 76,000 525 0.00%
17 ACI WORLDWIDE INC 10,534 222 0.00%
18 ACTIVISION BLIZZARD INC 20,363 629 0.01%
19 ACTUANT CORP 10,677 196 0.00%
20 ACUITY BRANDS INC 190,293 33,411 0.29%
21 ADANI PORTS AND SPECIAL ECON 94,568 431 0.00%
22 ADOBE INC 995,749 81,870 0.71%
23 ADURO BIOTECH INC COM 90,465 1,752 0.02%
24 ADVANCED DRAIN SYS INC DEL 8,270 239 0.00%
25 ADVANCED MICRO DEVICES INC 14,275 25 0.00%
26 ADVISORY BRD CO 593,584 27,031 0.23%
27 AETNA INC NEW 17,524 1,917 0.02%
28 AFFILIATED MANAGERS GROUP 893,817 152,833 1.32%
29 AFLAC INC 13,859 805 0.01%
30 AGENUS INC 36,925 169 0.00%
31 AGL Resources Inc 33,008 2,014 0.02%
32 AIA GROUP LIMITED 286,600 1,481 0.01%
33 AIA Group Ltd OTC 170,565 3,560 0.03%
34 AIER EYE HOSPITAL GROUP CO-A 120,354 523 0.00%
35 AIR CHINA LTD-H 820,000 646 0.01%
36 AIR METHODS CORP 53,039 1,807 0.02%
37 AIR PRODS & CHEMS INC 48,080 6,134 0.05%
38 AIRCASTLE LTD 31,642 652 0.01%
39 AIRGAS INC 556,081 49,674 0.43%
40 AIRPORTS OF THAILAND PCL-FOR 133,200 1,031 0.01%
41 AISINO CO LTD-A 81,605 689 0.01%
42 AKAMAI TECHNOLOGIES INC 677,687 46,801 0.40%
43 AKORN INCORPORATED 8,686 247 0.00%
44 ALEXION PHARMACEUTICALS INC 7,304 1,141 0.01%
45 ALIBABA GROUP HLDG LTD 149,668 8,826 0.08%
46 ALIGN TECHNOLOGY INC 578,004 32,807 0.28%
47 ALIMEN COUCHE 42,911 1,964 0.02%
48 ALLEGHANY CORP 689 323 0.00%
49 ALLERGAN PLC. COM USD0.0001 56,274 15,295 0.13%
50 ALLIANCE DATA SYSTEMS CORP 150,823 39,060 0.34%
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