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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 (2015Q4)
Portfolio Summary: 309 holdings with a total value of $639,766,000.
#
Name
Shares
Value ($)
%
Options
Notes
1 AMAZON COM INC 29,744 20,104,000 3.14%
2 PALO ALTO NETWORKS 100,085 17,629,000 2.76%
3 FIRST SOLAR INC 249,307 16,452,000 2.57%
4 BRISTOL MYERS SQUIBB CO 234,399 16,124,000 2.52%
5 FACEBOOK INC 140,405 14,695,000 2.30%
6 GILEAD SCIENCES INC 143,101 14,480,000 2.26%
7 CELGENE CORP 117,937 14,124,000 2.21%
8 DISNEY WALT CO 128,309 13,483,000 2.11%
9 ALPHABET INC 15,978 12,125,000 1.90%
10 CYBERARK SOFTWARE LTD SHS 251,065 11,333,000 1.77%
11 ALLERGAN PLC 35,401 11,063,000 1.73%
12 UNITED RENTALS 152,484 11,061,000 1.73%
13 MOBILEYE N V AMSTELVEEN 260,712 11,023,000 1.72%
14 MICROSOFT CORP 192,662 10,689,000 1.67%
15 AGNICO EAGLE MINES LTD 381,140 10,016,000 1.57%
16 SILVER SPRING NETWORKS INC COM 681,478 9,820,000 1.53%
17 JETBLUE AIRWAYS CORP 420,343 9,521,000 1.49%
18 MORGAN STANLEY 290,151 9,230,000 1.44%
19 LINKEDIN CORP COM CL A 39,330 8,852,000 1.38%
20 ALPHABET INC 11,015 8,570,000 1.34%
21 SOLAREDGE TECHNOLOGIES INC 275,885 7,772,000 1.21%
22 STARBUCKS CORP 129,426 7,769,000 1.21%
23 INCYTE 64,869 7,035,000 1.10%
24 S&P GLOBAL INC 70,749 6,974,000 1.09%
25 ARISTA NETWORKS INC COM 86,480 6,732,000 1.05%
26 INTUIT 62,151 5,998,000 0.94%
27 SALESFORCE COM INC 72,571 5,690,000 0.89%
28 ABBVIE INC 94,044 5,571,000 0.87%
29 SUNEDISON INC 1,084,439 5,520,000 0.86%
30 GOLDMAN SACHS GROUP INC 29,765 5,365,000 0.84%
31 EOG RES INC 75,321 5,332,000 0.83%
32 HOME DEPOT INC 38,534 5,096,000 0.80%
33 SCHLUMBERGER LTD 72,814 5,079,000 0.79%
34 2U, Inc. 160,794 4,499,000 0.70%
35 ALIBABA GROUP HLDG LTD 49,755 4,044,000 0.63%
36 PAYCHEX INC 75,578 3,997,000 0.62%
37 ACUITY BRANDS INC 16,851 3,940,000 0.62%
38 HORTONWORKS INC COM 174,665 3,825,000 0.60%
39 BOEING CO 26,240 3,794,000 0.59%
40 TABLEAU SOFTWARE INC CL A 39,613 3,732,000 0.58%
41 T2 BIOSYSTEMS INC 340,910 3,730,000 0.58%
42 TAHOE RES INC 427,300 3,705,000 0.58%
43 CONOCOPHILLIPS 74,655 3,486,000 0.54%
44 BARRICK GOLD CORP 457,788 3,378,000 0.53%
45 CHEVRON CORP NEW 37,199 3,346,000 0.52%
46 FLEETMATICS GROUP PLC 65,689 3,336,000 0.52%
47 BIOGEN INC 10,713 3,282,000 0.51%
48 OPKO HEALTH INC 320,889 3,225,000 0.50%
49 APPLE INC 30,592 3,220,000 0.50%
50 GENERAL ELECTRIC CO 102,930 3,206,000 0.50%
Page 1 of 7

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001172661-16-002326, filed 2016.01.26).

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.