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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 (2016Q1)
Original 13F HR (0001172661-16-003191) filed in 2016.05.09
#
Name
Shares
Value ($)
%
Options
Notes
1 Dynasil Corp Amer 12,287 20 0.00%
2 ORION ENERGY SYSTEMS INC 18,557 26 0.00%
3 GIGPEAK INC 12,047 33 0.01%
4 EXCO RESOURCES INC 80,149 79 0.01%
5 ANGIES LIST INC COM 12,090 98 0.02%
6 DIGITAL TURBINE INC COM NEW 100,000 119 0.02%
7 FORD MTR CO DEL 10,437 141 0.02%
8 COBALT INTL ENERGY INC 63,842 190 0.03%
9 ASPEN TECHNOLOGY INC 5,604 202 0.03%
10 TARGA RES CORP 6,872 205 0.04%
11 ENTERPRISE PRODS PARTNERS L 8,426 207 0.04%
12 DUKE ENERGY CORP NEW 2,578 208 0.04%
13 UNITED STATES STL CORP NEW 12,935 208 0.04%
14 AUTOMATIC DATA PROCESSING IN 2,317 208 0.04%
15 SIRIUS XM HOLDINGS INC 53,200 210 0.04%
16 INGERSOLL-RAND PLC 3,383 210 0.04%
17 CALLON PETE CO DEL COM 23,808 211 0.04%
18 DEPHEID 6,601 220 0.04%
19 CABELAS INC 4,549 221 0.04%
20 DIGITALGLOBE INC 13,000 225 0.04%
21 AERIE PHARMACEUTICALS INC 18,820 229 0.04%
22 LIBERTY TAX INC 11,715 229 0.04%
23 COPART INC 6,600 269 0.05%
24 ALLSTATE CORP 4,033 272 0.05%
25 FRANCO NEVADA CORP 4,500 276 0.05% PRN
26 DSW INC CL A 10,080 279 0.05%
27 TELIGENT INC NEW 60,890 298 0.05%
28 EXXON MOBIL CORP 3,589 300 0.05%
29 HERON THERAPEUTICS INC COM 16,100 306 0.05%
30 RADIANT LOGISTICS INC 85,704 306 0.05%
31 WAL-MART STORES INC 4,500 308 0.05%
32 FINISAR CORP 17,364 317 0.05%
33 WORKDAY INC 4,137 318 0.05%
34 INFUSYSTEM HLDGS INC 90,578 319 0.05%
35 MANITEX INTL INC 62,227 325 0.06%
36 ZENDESK INC 15,925 333 0.06%
37 PACIRA PHARMACEUTICALS INC 6,306 334 0.06%
38 ELECTRONICS FOR IMAGING INC 7,907 335 0.06%
39 ARTISAN PARTNERS ASSET MGMT 10,968 338 0.06%
40 Comstock Mining Inc 932,571 345 0.06%
41 IAC INTERACTIVECORP 7,379 347 0.06%
42 SEATTLE GENETICS INC 10,006 351 0.06%
43 ALLIANCE DATA SYSTEMS CORP 1,602 352 0.06%
44 CIMAREX ENERGY 3,624 353 0.06%
45 ALLEGION PUB LTD CO 5,696 363 0.06%
46 Alliance Fiber Optic Products 24,690 365 0.06%
47 PARSLEY ENERGY CLA A 16,133 365 0.06%
48 MATTERSIGHT CORP COM 91,634 367 0.06%
49 FASTENAL CO 7,500 368 0.06%
50 STERLING CONSTRUCTION CO INC 72,613 374 0.06%
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