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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 (2016Q2)
Portfolio Summary: 314 holdings with a total value of $600,742,000.
#
Name
Shares
Value ($)
%
Options
Notes
51 LIONBRIDGE TECHNOLOGIES ORD 98,252 388,000 0.06%
52 ABILITY INC 100,000 392,000 0.07%
53 ALLEGION PUB LTD CO 5,652 392,000 0.07%
54 SEATTLE GENETICS INC 9,877 399,000 0.07%
55 SURGERY PARTNERS INCORPORATED 22,828 409,000 0.07%
56 IAC INTERACTIVECORP 7,285 410,000 0.07%
57 MAXIMUS INC 7,542 418,000 0.07%
58 ANHEUSER BUSCH INBEV SA/NV 3,229 425,000 0.07%
59 ENDOLOGIX INC 34,250 427,000 0.07%
60 ABIOMED INC 3,918 428,000 0.07%
61 TELIGENT INC NEW 60,228 430,000 0.07%
62 TRIPLEPOINT VENTURE GROWTH B COM 40,873 433,000 0.07%
63 MEDICINES CO 12,894 434,000 0.07%
64 Alon USA Energy, Inc. 67,877 440,000 0.07%
65 TANDEM DIABETES CARE INC COM 58,796 443,000 0.07%
66 AMSURG CORP 5,740 445,000 0.07%
67 VCA INCORPORATED 6,587 445,000 0.07%
68 ARDMORE SHIPPING CORP COM 67,007 454,000 0.08%
69 MAXWELL TECHNOLOGIES INC 87,722 463,000 0.08%
70 HARVARD BIOSCIENCE INC 162,208 464,000 0.08%
71 BIG 5 SPORTING GOODS CORP 50,528 468,000 0.08%
72 PACKAGING CORP AMER 7,161 479,000 0.08%
73 NANOSTRING TECHNOLOGIES INC 38,027 479,000 0.08%
74 MEDNAX INC 6,626 480,000 0.08%
75 SKYWORKS SOLUTIONS INC 7,617 482,000 0.08%
76 INTUITIVE SURGICAL INC 732 484,000 0.08%
77 CYPRESS SEMICONDUCTOR CORP 46,155 487,000 0.08%
78 TRINITY BIOTECH PLC 42,909 487,000 0.08%
79 AUTOBYTEL INC COM NEW 35,494 492,000 0.08%
80 ASPEN TECHNOLOGY COM USD0.10 12,300 495,000 0.08%
81 CHEROKEE INC DEL NEW 44,913 499,000 0.08%
82 VISTEON CORP COM NEW 7,630 502,000 0.08%
83 VERISK ANALYTICS INC 6,258 507,000 0.08%
84 LIVEPERSON INC 81,200 515,000 0.09%
85 MOBILEIRON INC COM NEW 170,888 521,000 0.09%
86 AETNA INC NEW 4,279 523,000 0.09%
87 PARSLEY ENERGY CLA A 19,413 525,000 0.09%
88 DESTINATION XL GROUP INC COM 114,797 525,000 0.09%
89 WILLDAN GROUP INC 49,539 526,000 0.09%
90 NEWFIELD EXPL CO 12,054 533,000 0.09%
91 ACADIA PHARMACEUTICALS INC COM 16,647 540,000 0.09%
92 TELENAV INC COM 106,003 541,000 0.09%
93 DIPLOMAT PHARMACY INC COM 15,642 547,000 0.09%
94 FERROGLOBE PLC SHS 66,400 572,000 0.10%
95 PERKINELMER INC 10,970 575,000 0.10%
96 WHITEWAVE FOODS CO 12,509 587,000 0.10%
97 CENTENE CORP DEL 8,281 591,000 0.10%
98 Codexis Inc Com 147,015 592,000 0.10%
99 IMPRIVATA INC 42,516 595,000 0.10%
100 NEUROCRINE BIOSCIE COM USD0.001 13,127 597,000 0.10%
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.