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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)
Portfolio Summary: 1,426 holdings with a total value of $11,559,051,000.
#
Name
Shares
Value ($)
%
Options
Notes
1 C WTS KCG HOLDINGS INC WTS EXP 637,378 0 0.00%
2 PROTEIN POLYMER TECHNOLOGIES INC 660,000 0 0.00%
3 FRAC MARRIOTT INTL 34,100 0 0.00%
4 INDIA GLOBALIZATION CAP CW11 EXP 3/6/15 24,600 0 0.00%
5 NEOSTEM IN WARRANTS 19,500 0 0.00%
6 ENTRADE, INC.(NV) 79,388 0 0.00%
7 CAL DIVE INTERNATIONAL INC 134,700 0 0.00%
8 PREPAID CARD HOLDINGS INC 20,000 0 0.00%
9 GLOBAL LINKS CORPORATION 50,000 0 0.00%
10 A WTS KCG HOLDINGS INC WT EXP 624,934 0 0.00%
11 SECURITY IDENTIFICATION SYSTEMS CORP 500,000 0 0.00%
12 SIONIX CORP 30,000 0 0.00%
13 CAPITAL MARKETS TECHNOLOGIES, INC.(NV) 233,500 0 0.00%
14 APPLIED ENERGETICS INC COM 10,000 0 0.00%
15 CDEX INC CLASS A COM 40,000 0 0.00%
16 B WTS KCG HOLDINGS INC WTS EXP 637,378 0 0.00%
17 AMER INTL PETROLEUM CORP 82,690 0 0.00%
18 SWORDFISH FINANCIAL INC 26,000 0 0.00%
19 ROLLS ROYCE HOLDINGS PLC 4,579,465 0 0.00%
20 VOYAGER ENTERTAINMENT INTERNATIONAL INC 91,000 0 0.00%
21 ORCA TECHNOLOGIES INC 46,250 0 0.00%
22 CONTINENTAL ENERGY CORP FORMERLY CONTINENTAL COPPER 91,000 0 0.00%
23 Calico Resources Corp 10,000 0 0.00%
24 BORDERS GROUP INC BANKRUPTCY EFF 1/13/2012 TRANSFER OF SECURITY OR OPTION IN(NV) 10,900 0 0.00%
25 MIRACULINS INC 20,000 1,000 0.00%
26 AMERICAN VANTAGE COMPANIES 21,865 1,000 0.00%
27 VALENCE TECHNOLOGY, INC.(NV) 36,000 1,000 0.00%
28 VIRTRA SYSTEMS INC 20,000 1,000 0.00%
29 HTC PURENERGY INC 14,300 1,000 0.00%
30 ENSURGE INC 100,000 2,000 0.00%
31 WITS BASIN PRECIOUS MINERALS 41,059 2,000 0.00%
32 MEDINAH MINERALS INC 170,000 3,000 0.00%
33 NOVABAY PHARMACEUTICALS INC 13,489 4,000 0.00%
34 GULF KEYSTONE PETROLEUM LTD 10,000 5,000 0.00%
35 WINSTON PHARMACEUTICALS INC 370,671 5,000 0.00%
36 ENTIA BIOSCIENCES INC 100,000 6,000 0.00%
37 YUMA ENERGY INC 14,000 6,000 0.00%
38 VAPOR CORP DEL 13,396 6,000 0.00%
39 CEMEX SAB DE CV CERT PART O 12,881 8,000 0.00%
40 WIRELESS XCESSORIES GROUP 25,000 11,000 0.00%
41 RVUE HOLDINGS INC 367,143 12,000 0.00%
42 FLEXPOINT SENSOR SYSTEMS INC 156,700 12,000 0.00%
43 GULF COAST ULTRA DEEP RTY TR ROYALTY TR UNT 50,000 14,000 0.00%
44 TOWERSTREAM CORP 14,000 14,000 0.00%
45 TERADATA CORP DEL 500 14,000 0.00% Call
46 PEABODY ENERGY CORP COM NEW 13,990 19,000 0.00%
47 HECLA MNG CO 10,314 20,000 0.00%
48 CBOA Financial Inc 11,034 22,000 0.00%
49 ARMANINO FOODS OF DISTINCTION INC 10,500 23,000 0.00%
50 Biocept Inc. (BIOC) 10,000 23,000 0.00%
Page 1 of 29

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001144204-15-064430, filed 2015.11.12).

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.