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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
51 ALIBABA GROUP HLDG LTD 5,137 303,000 0.05%
52 DEPHEID 6,770 306,000 0.05%
53 DIGITALGLOBE INC 17,055 324,000 0.05%
54 HOMEAWAY INC 12,232 325,000 0.05%
55 ADEPTUS HEALTH INC 4,094 331,000 0.05%
56 VERINT SYS INC 7,766 335,000 0.06%
57 FLOWSERVE CORP 8,321 342,000 0.06%
58 ANHEUSER BUSCH INBEV SA/NV 3,229 343,000 0.06%
59 VCA INCORPORATED 6,787 357,000 0.06%
60 EVEREST RE GROUP LTD 2,125 368,000 0.06%
61 EXXON MOBIL CORP 4,944 368,000 0.06%
62 COMMERCIAL METALS CO COM 27,369 371,000 0.06%
63 SOUTHWESTERN ENERGY CO 29,277 372,000 0.06%
64 TARGA RES CORP 7,229 372,000 0.06%
65 FITBIT INC 10,000 377,000 0.06%
66 AMERICAN EXPRESS CO 5,333 395,000 0.06%
67 SEATTLE GENETICS INC 10,258 396,000 0.07%
68 NANOSTRING TECHNOLOGIES INC 25,071 401,000 0.07%
69 CYPRESS SEMICONDUCTOR CORP 47,358 403,000 0.07%
70 CHIMERIX INC 10,544 403,000 0.07%
71 OPHTHOTECH CORP 10,000 405,000 0.07%
72 EVINE LIVE INC 154,608 405,000 0.07%
73 COBALT INTL ENERGY INC 57,500 407,000 0.07%
74 ARTISAN PARTNERS ASSET MGMT 11,806 416,000 0.07%
75 NEVRO CORP COM 9,125 423,000 0.07%
76 MEDIVATION INC 10,000 425,000 0.07%
77 MIX TELEMATICS LTD 81,712 432,000 0.07%
78 MANITEX INTL INC COM 77,021 433,000 0.07%
79 PACKAGING CORP AMER 7,485 450,000 0.07%
80 AMPHASTAR PHARMACEUTICALS IN COM 39,017 456,000 0.07%
81 AMSURG CORP 5,889 458,000 0.08%
82 PTC THERAPEUTICS INC 17,157 458,000 0.08%
83 TIME WARNER INC 6,767 465,000 0.08%
84 TRINITY BIOTECH PLC 40,792 467,000 0.08%
85 MAXIMUS INC 7,876 469,000 0.08%
86 VERISK ANALYTICS INC 6,460 477,000 0.08%
87 AEGEAN MARINE PETROLEUM NETW 72,583 489,000 0.08%
88 Intersect ENT Inc 21,239 497,000 0.08%
89 IAC INTERACTIVECORP 7,612 497,000 0.08%
90 IGI LABS INC 76,321 499,000 0.08%
91 LDR HLDG CORP COM 14,634 505,000 0.08%
92 BIODELIVERY SCIENCES INTL IN 92,287 513,000 0.08%
93 CARDIOVASCULAR SYS INC DEL COM 32,358 513,000 0.08%
94 WHITEWAVE FOODS CO 12,911 518,000 0.09%
95 PERKINELMER INC 11,323 520,000 0.09%
96 ALLIANCE DATA SYSTEMS CORP 2,022 524,000 0.09%
97 MEDNAX INC 6,882 528,000 0.09%
98 CHICOS FAS INC 33,637 529,000 0.09%
99 CAMPBELL SOUP CO 10,456 530,000 0.09%
100 ACADIA PHARMACEUTICALS INC COM 16,647 551,000 0.09%
Page 2 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.