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Institutional Investment Manager
ESSEX INVESTMENT MANAGEMENT CO LLC
ESSEX INVESTMENT MANAGEMENT CO LLC (CIK: 0000201772) incorporated in Delaware, located at 125 High Street, Boston, MA. Institutional holdings reported to the SEC.

Institutional Holdings (2015Q3)
Portfolio Summary: 318 holdings with a total value of $608,906,000.
#
Name
Shares
Value ($)
%
Options
Notes
1 HALCON RESOURCES CORP 12,538 7,000 0.00%
2 SEMILEDS CORP 46,871 19,000 0.00%
3 ACTIVE POWER INC COM NEW 18,740 31,000 0.01%
4 STREAMLINE HEALTH SOLUTIONS COM 14,989 34,000 0.01%
5 STANLEY FURNITURE CO INC COM NEW 12,633 37,000 0.01%
6 ORION ENERGY SYSTEMS INC 22,334 40,000 0.01%
7 STERLING CONSTRUCTION CO INC 10,000 41,000 0.01%
8 LIME ENERGY CO COM 14,586 42,000 0.01%
9 Penn Virginia Corp 86,902 46,000 0.01%
10 GIGPEAK INC 28,198 49,000 0.01%
11 GLOBALSCAPE INC 14,820 49,000 0.01%
12 CHEMBIO DIAGNOSTICS INC COM NEW 12,461 50,000 0.01%
13 DYNASIL CORP AMER 28,760 56,000 0.01%
14 EXCO RESOURCES INC 80,786 61,000 0.01%
15 GOLDCORP INC NEW 10,000 125,000 0.02%
16 U S ENERGY CORP WYO 268,110 131,000 0.02%
17 UNITED STATES STL CORP NEW 13,085 136,000 0.02%
18 MAXLINEAR INC COM 11,312 141,000 0.02%
19 FORD MTR CO DEL 10,437 142,000 0.02%
20 ON SEMICONDUCTOR CORP 15,249 143,000 0.02%
21 UNITED MICROELECTRONICS CORP 91,400 148,000 0.02%
22 OCULAR THERAPEUTIX INC 11,485 161,000 0.03%
23 APIGEE CORP 15,407 163,000 0.03%
24 ICAD INC 48,500 165,000 0.03%
25 DIGITAL TURBINE INC 100,000 181,000 0.03%
26 WISDOMTREE INVTS INC 12,117 195,000 0.03%
27 FINISAR CORP 17,503 195,000 0.03%
28 Vaneck Vectors Gold 14,700 202,000 0.03%
29 TECOGEN INC NEW 60,499 209,000 0.03%
30 ENTERPRISE PRODS PARTNERS L 8,520 212,000 0.03%
31 DUKE ENERGY CORP NEW 2,980 214,000 0.04%
32 MICRON TECHNOLOGY INC 14,474 217,000 0.04%
33 COPART INC 6,600 217,000 0.04%
34 RANDGOLD RES LTD 3,700 219,000 0.04%
35 INSULET CORPORATION 8,813 228,000 0.04%
36 ALLSTATE CORP 4,033 235,000 0.04%
37 COMCAST CORP NEW 4,303 245,000 0.04%
38 ENERGY TRANSFER PRTNRS L P 6,202 255,000 0.04%
39 AUTOMATIC DATA PROCESSING IN 3,242 261,000 0.04%
40 DSW INC CL A 10,367 262,000 0.04%
41 PERNIX THERAPEUTICS HLDGS IN 84,089 266,000 0.04%
42 ROYAL GOLD INC 5,666 266,000 0.04%
43 FASTENAL CO 7,500 275,000 0.05%
44 LIBERTY TAX INC 11,935 278,000 0.05%
45 AIR METHODS CORP 8,225 280,000 0.05%
46 UNITED RENTALS INC 4,677 281,000 0.05%
47 MINERALS TECHNOLOGIES INC 5,925 285,000 0.05%
48 SPARK THERAPEUTICS INCORPORATED 6,966 291,000 0.05%
49 WAL-MART STORES INC 4,500 292,000 0.05%
50 KINDER MORGAN INC DEL 10,898 302,000 0.05%
Page 1 of 7

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001172661-15-001872, filed 2015.11.04).

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.