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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 (2015Q1)
Portfolio Summary: 316 holdings with a total value of $714,665,000.
#
Name
Shares
Value ($)
%
Options
Notes
1 PALO ALTO NETWORKS 130,008 18,992,000 2.66%
2 WISDOMTREE INVTS INC 884,298 18,977,000 2.66%
3 APPLE INC 129,277 16,086,000 2.25%
4 BRISTOL MYERS SQUIBB CO 231,318 14,920,000 2.09%
5 GILEAD SCIENCES INC 143,127 14,045,000 1.97%
6 DISNEY WALT CO 132,189 13,865,000 1.94%
7 INCYTE 149,772 13,728,000 1.92%
8 FACEBOOK INC 155,668 12,798,000 1.79%
9 CELGENE CORP 109,368 12,608,000 1.76%
10 JETBLUE AIRWAYS CORP 566,873 10,912,000 1.53%
11 MORGAN STANLEY 300,503 10,725,000 1.50%
12 LINKEDIN CORP COM CL A 41,172 10,287,000 1.44%
13 SUNEDISON INC 420,640 10,095,000 1.41%
14 SALESFORCE COM INC 147,692 9,867,000 1.38%
15 CYBERARK SOFTWARE LTD SHS 175,131 9,732,000 1.36%
16 ABBVIE INC 156,771 9,177,000 1.28%
17 BOEING CO 60,001 9,005,000 1.26%
18 AERIE PHARMACEUTICALS INC 283,725 8,892,000 1.24%
19 GOLDMAN SACHS GROUP INC 41,894 7,875,000 1.10%
20 Ultimate Software Group Inc 46,182 7,849,000 1.10%
21 Integrated Device Technology I 379,804 7,604,000 1.06%
22 CARDIOVASCULAR SYS INC DEL COM 190,586 7,440,000 1.04%
23 S&P GLOBAL INC 70,979 7,339,000 1.03%
24 ALLERGAN PLC 24,575 7,314,000 1.02%
25 EOG RES INC 79,727 7,310,000 1.02%
26 TWITTER INC 138,201 6,921,000 0.97%
27 OPKO HEALTH INC 475,293 6,735,000 0.94%
28 MOBILEYE N V AMSTELVEEN 158,673 6,669,000 0.93%
29 2U, Inc. 258,107 6,602,000 0.92%
30 BOX INC 327,786 6,474,000 0.91%
31 AKAMAI TECH 89,899 6,387,000 0.89%
32 FIRST SOLAR INC 106,805 6,386,000 0.89%
33 CONOCOPHILLIPS 102,148 6,360,000 0.89%
34 INTUIT 64,690 6,272,000 0.88%
35 MEDIVATION INC 47,824 6,173,000 0.86%
36 GRUBHUB INC 135,003 6,128,000 0.86%
37 GOOGLE INC 11,076 6,070,000 0.85%
38 MELLANOX TECHNOLOGIES LTD 133,551 6,055,000 0.85%
39 YAHOO INC 129,300 5,745,000 0.80%
40 ISHARES NASDAQ BIOTECHNOLOGY ETF 10,249 5,685,000 0.80%
41 BIOMARIN 45,163 5,628,000 0.79%
42 RANDGOLD RES LTD 78,370 5,429,000 0.76%
43 SHAKE SHACK INC CL A 107,778 5,394,000 0.75%
44 ACUITY BRANDS INC 31,307 5,265,000 0.74%
45 FIREEYE INC 131,937 5,179,000 0.72%
46 SCHLUMBERGER LTD 59,227 4,942,000 0.69%
47 NETSUITE INC 51,498 4,777,000 0.67%
48 AGNICO EAGLE MINES LTD 164,148 4,586,000 0.64%
49 BIOGEN INC 10,533 4,447,000 0.62%
50 Marcus & Millichap Inc Com 118,375 4,437,000 0.62%
Page 1 of 7

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001172661-15-000983, filed 2015.05.06).

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.