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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 2U, Inc. 149,568 3,380 0.58%
2 8POINT3 ENERGY PARTNERS LP 69,550 1,022 0.18%
3 A10 NETWORKS INC 97,222 576 0.10%
4 ABBVIE INC 81,460 4,653 0.80%
5 ABILITY INC 100,000 625 0.11%
6 ACADIA COMPANY COM 47,263 2,605 0.45%
7 ACADIA PHARMACEUTICALS INC COM 16,647 465 0.08%
8 ACUITY BRANDS INC 15,081 3,290 0.56%
9 ADAPTIMMUNE THERAPEUTICS PLC 60,575 492 0.08%
10 ADEPTUS HEALTH INC 11,009 611 0.10%
11 AERIE PHARMACEUTICALS INC COM 18,820 229 0.04%
12 AGNICO EAGLE MINES LTD 387,603 14,016 2.40%
13 AIR METHODS CORP 11,123 403 0.07%
14 ALIBABA GROUP HLDG LTD 34,142 2,698 0.46%
15 ALIGN TECHNOLOGY INC 7,945 578 0.10%
16 ALLEGION PUB LTD CO 5,696 363 0.06%
17 ALLERGAN PLC 30,854 8,270 1.42%
18 ALLIANCE DATA SYSTEMS CORP 1,602 352 0.06%
19 ALLSTATE CORP 4,033 272 0.05%
20 ALPHABET INC 11,457 8,741 1.50%
21 ALPHABET INC 16,351 12,181 2.09%
22 AMAZON COM INC 29,385 17,444 2.99%
23 AMERICAN EXPRESS CO 8,518 523 0.09%
24 AMPHASTAR PHARMACEUTICALS IN COM 31,317 376 0.06%
25 AMSURG CORP 5,842 436 0.07%
26 ANADARKO PETE CORP 37,292 1,737 0.30%
27 ANGIES LIST INC 12,090 98 0.02%
28 ANHEUSER BUSCH INBEV SA/NV 3,229 403 0.07%
29 APIGEE CORP 75,135 624 0.11%
30 APPLE INC 70,314 7,664 1.31%
31 APPLIED MICRO CIRCUITS ORD 144,046 931 0.16%
32 APPLIED OPTOELECTRONICS INC COM 75,580 1,127 0.19%
33 ARDMORE SHIPPING CORP COM 117,744 995 0.17%
34 ARTISAN PARTNERS ASSET MGMT 10,968 338 0.06%
35 ASPEN TECHNOLOGY COM USD0.10 5,604 202 0.03%
36 AT&T INC 65,396 2,562 0.44%
37 ATLAS FINANCIAL HOLDINGS INC SHS NEW 39,516 717 0.12%
38 ATLASSIAN CORP PLC 55,732 1,402 0.24%
39 ATRICURE INC 72,258 1,216 0.21%
40 AUTOBYTEL INC COM NEW 35,885 623 0.11%
41 AUTOMATIC DATA PROCESSING IN 2,317 208 0.04%
42 AV HOMES INC 50,577 575 0.10%
43 AXOGEN INC 131,716 706 0.12%
44 Alliance Fiber Optic Products 24,690 365 0.06%
45 Alon USA Energy, Inc. 68,685 709 0.12%
46 BADGER METER INC COM 22,003 1,463 0.25%
47 BANC OF CALIFORNIA INC COM 87,732 1,535 0.26%
48 BARD C R INC 3,757 761 0.13%
49 BARRACUDA NETWORKS INC 35,747 551 0.09%
50 BARRICK GOLD CORP 913,832 12,410 2.13%
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