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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
101 STEWART INFORMATION SVCS COR 34,469 1,410,000 0.23%
102 BLUEBIRD BIO INC COM 16,458 1,408,000 0.23%
103 SIGMA DESIGNS INC COM 204,217 1,407,000 0.23%
104 Alon USA Energy, Inc. 77,388 1,398,000 0.23%
105 SUPERNUS PHARMACEUTICALS INC 96,031 1,347,000 0.22%
106 SYNERGETICS USA INC 204,247 1,342,000 0.22%
107 CAVCO INDS INC DEL 19,643 1,337,000 0.22%
108 BIG LOTS INC 27,659 1,325,000 0.22%
109 STEELCASE INC 70,461 1,297,000 0.21%
110 KINROSS GOLD CORP 748,790 1,288,000 0.21%
111 RANGE RES CORP 40,090 1,288,000 0.21%
112 SUNPOWER CORP 63,953 1,282,000 0.21%
113 WATTS WATER TECHNOLOGIES INC 24,198 1,278,000 0.21%
114 XYLEM INC 38,773 1,274,000 0.21%
115 INFOBLOX INC 79,108 1,264,000 0.21%
116 ILLUMINA INC 7,140 1,255,000 0.21%
117 EVERCORE PARTNERS INC 24,892 1,251,000 0.21%
118 INTRALINKS HLDGS INC 149,220 1,237,000 0.20%
119 BANC OF CALIFORNIA INC COM 100,818 1,237,000 0.20%
120 STRAYER EDUCATION INC 22,488 1,236,000 0.20%
121 ENVESTNET INC 41,085 1,231,000 0.20%
122 Alliance Fiber Optic Products 71,984 1,230,000 0.20%
123 Callidus Software Inc 71,708 1,218,000 0.20%
124 ADDUS HOMECARE CORP COM 38,676 1,205,000 0.20%
125 GIGAMON INC 59,540 1,191,000 0.20%
126 BUILDERS FIRSTSOURCE 93,758 1,189,000 0.20%
127 JOHNSON CTLS INTL PLC 28,298 1,170,000 0.19%
128 MATADOR RES CO 55,797 1,157,000 0.19%
129 SHOE CARNIVAL INC 48,131 1,146,000 0.19%
130 MCKESSON CORP 6,037 1,117,000 0.18%
131 PRIMORIS SVCS CORP 61,831 1,107,000 0.18%
132 HUBSPOT INCORPORATED 23,724 1,100,000 0.18%
133 BRIGHT HORIZONS FAM SOL IN DEL COM 17,080 1,097,000 0.18%
134 CUTERA INC COM 82,737 1,082,000 0.18%
135 BEAZER HOMES USA INC COM NEW 79,942 1,066,000 0.18%
136 DIAMONDBACK ENERGY INC 16,390 1,059,000 0.17%
137 TESARO INCORPORATED 26,117 1,047,000 0.17%
138 WABTEC CORP 11,616 1,023,000 0.17%
139 TELENAV INC COM 130,870 1,022,000 0.17%
140 GENESIS HEALTHCARE INC 165,013 1,012,000 0.17%
141 BIOGEN INC 3,469 1,012,000 0.17%
142 ARDMORE SHIPPING CORP COM 83,732 1,011,000 0.17%
143 LSI INDS INC COM 115,585 976,000 0.16%
144 SOLARCITY CORP 22,800 974,000 0.16%
145 NEOGEN CORP COM 21,603 972,000 0.16%
146 CENTRAL GARDEN & PET CO 59,303 955,000 0.16%
147 CARDTRONICS INC COM 28,576 934,000 0.15%
148 RICE ENERGY INCORPORATED 57,229 925,000 0.15%
149 Invacare Corp 31,081 923,000 0.15%
150 CARBONITE INC COM 82,665 920,000 0.15%
Page 3 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.