Dark
Light
System
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 (2016Q2)
Portfolio Summary: 314 holdings with a total value of $600,742,000.
#
Name
Shares
Value ($)
%
Options
Notes
51 GIGAMON INC 76,724 2,869,000 0.48%
52 OCCIDENTAL PETE CORP DEL 37,677 2,847,000 0.47%
53 SALESFORCE COM INC 35,627 2,829,000 0.47%
54 ADEPTUS HEALTH INC 54,368 2,809,000 0.47%
55 AT&T INC 64,882 2,804,000 0.47%
56 INCYTE CORP 34,719 2,777,000 0.46%
57 T2 BIOSYSTEMS INCORPORATED 334,253 2,637,000 0.44%
58 Carriage Services Inc. 110,880 2,626,000 0.44%
59 AMGEN INC 17,144 2,608,000 0.43%
60 SVB FINANCIAL GROUP 27,384 2,606,000 0.43%
61 ACADIA COMPANY COM 47,000 2,604,000 0.43%
62 HANNON ARMSTRONG SUST INFR C 114,482 2,473,000 0.41%
63 PIONEER NAT RES CO 16,230 2,454,000 0.41%
64 TAHOE RES INC 162,067 2,426,000 0.40%
65 INTEGRATED DEVICE TECHNOLOGY 118,476 2,385,000 0.40%
66 MAG SILVER CORP 186,402 2,351,000 0.39%
67 APPLE INC 23,849 2,280,000 0.38%
68 COLGATE PALMOLIVE CO 30,995 2,269,000 0.38%
69 PANERA BREAD CO 10,641 2,255,000 0.38%
70 VERIZON COMMUNICATIONS INC 39,292 2,194,000 0.37%
71 JOHNSON & JOHNSON 17,910 2,172,000 0.36%
72 PDC ENERGY INC 37,637 2,168,000 0.36%
73 UNITEDHEALTH GROUP INC 15,257 2,154,000 0.36%
74 MARSH & MCLENNAN COS INC 31,245 2,139,000 0.36%
75 COGNEX CORP 49,562 2,136,000 0.36%
76 PROCTER AND GAMBLE CO 25,192 2,133,000 0.36%
77 INSTALLED BLDG PRODS INC COM 58,278 2,115,000 0.35%
78 PTC INC 54,895 2,063,000 0.34%
79 JPMORGAN CHASE & CO 32,874 2,043,000 0.34%
80 TOLL BROTHERS INC 75,672 2,036,000 0.34%
81 SUPERNUS PHARMACEUTICALS INC 97,863 1,993,000 0.33%
82 LENNAR 43,014 1,983,000 0.33%
83 XYLEM INC 43,039 1,922,000 0.32%
84 AERIE PHARMACEUTICALS INC COM 107,700 1,896,000 0.32%
85 GALLAGHER ARTHUR J & CO 39,681 1,889,000 0.31%
86 FRANCO NEVADA CORP 24,813 1,887,000 0.31% PRN
87 REGENERON PHARMACEUTICALS 5,375 1,877,000 0.31%
88 SILVER WHEATON CORP 79,500 1,871,000 0.31%
89 MITEK SYS INC 261,159 1,857,000 0.31%
90 Vocera Communications Inc 137,921 1,772,000 0.29%
91 BOSTON SCIENTIFIC CORP 74,572 1,743,000 0.29%
92 QUANTA SVCS INC 75,346 1,742,000 0.29%
93 AMPHASTAR PHARMACEUTICALS IN COM 105,239 1,696,000 0.28%
94 BADGER METER INC COM 22,968 1,677,000 0.28%
95 DEXCOM INC 20,456 1,623,000 0.27%
96 WATTS WATER TECHNOLOGIES INC 27,862 1,623,000 0.27%
97 SNAP ON INC 10,118 1,597,000 0.27%
98 LOGMEIN INC 24,934 1,582,000 0.26%
99 PLY GEM HOLDINGS INC 107,036 1,560,000 0.26%
100 OPHTHOTECH CORP 29,912 1,526,000 0.25%
Page 2 of 7

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001172661-16-003610, filed 2016.07.27).

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.