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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
51 ALLIANCE HOLDINGS GP LP 11,370 351 0.00%
52 ALLIANCE ONE INTL INC 13,700 279 0.00%
53 ALLIANCE RES PARTNER L P 40,115 892 0.01%
54 ALLIANCEBERNSTEIN HLDG L P 11,839 314 0.00%
55 ALLIANT ENERGY CORP 11,038 645 0.01%
56 ALLISON TRANSMISSION HLDGS INC COM 8,619 230 0.00%
57 ALLSCRIPTS HEALTHCARE SOLUTN 31,250 387 0.00%
58 ALLSTATE CORP 77,832 4,532 0.04%
59 ALPS ETF TR 54,583 680 0.01%
60 ALTRIA GROUP INC 234,525 12,758 0.11%
61 AMAZON COM INC 298,905 153,006 1.32%
62 AMBEV SA 290,349 1,422 0.01%
63 AMER INTL PETROLEUM CORP 82,690 0 0.00%
64 AMEREN CORP 5,626 237 0.00%
65 AMERICAN AIRLS GROUP INC 32,559 1,264 0.01%
66 AMERICAN ELEC PWR INC 15,869 902 0.01%
67 AMERICAN EXPRESS CO 163,530 12,122 0.10%
68 AMERICAN INTL GROUP INC 138,705 7,881 0.07%
69 AMERICAN SOFTWARE CL A CLASS A 18,299 172 0.00%
70 AMERICAN TOWER CORP NEW 69,256 6,092 0.05%
71 AMERICAN VANTAGE COMPANIES 21,865 1 0.00%
72 AMERICAN WTR WKS CO INC NEW 5,493 302 0.00%
73 AMERIGAS PARTNERS L P 13,537 562 0.00%
74 AMERIPRISE FINL INC 13,891 1,516 0.01%
75 AMERIS BANCORP 27,036 777 0.01%
76 AMERISOURCEBERGEN CORP 4,504 427 0.00%
77 AMETEK INC NEW 1,151,494 60,245 0.52%
78 AMGEN INC 169,355 23,425 0.20%
79 AMOREPACIFIC ORD 2,308 750 0.01%
80 AMPHENOL CORP NEW 926,827 47,231 0.41%
81 AMTRUST FINL SVCS INC 41,809 2,633 0.02%
82 ANADARKO PETR 15,073 910 0.01%
83 ANHEUSER BUSCH INBEV SA/NV 40,471 4,302 0.04%
84 ANSYS 100,973 8,899 0.08%
85 ANTHEM INC 8,439 1,181 0.01%
86 AON PLC COM USD0.01 CL A 144,540 12,807 0.11%
87 APACHE CORP 51,662 2,022 0.02%
88 APARTMENT INVT & MGMT CO 13,365 494 0.00%
89 APPFOLIO INC COM CL A 13,000 219 0.00%
90 APPLE INC 2,662,539 293,677 2.54%
91 APPLIED ENERGETICS INC COM 10,000 0 0.00%
92 APPLIED MATLS INC 45,419 667 0.01%
93 APTARGROUP INC 54,865 3,618 0.03%
94 ARATANA THERAPEUTICS INC 348,581 2,949 0.03%
95 ARC DOCUMENT SOLUTIONS INC COM 56,021 333 0.00%
96 ARCHER DANIELS MIDLAND CO 104,017 4,311 0.04%
97 ARES CAPITAL CORP 10,714 154 0.00%
98 ARGO GROUP INTERNATIONAL 20,163 1,141 0.01%
99 ARM HOLDINGS PLC 35,567 510 0.00%
100 ARM HOLDINGS PLC ADR 275,238 11,903 0.10%
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