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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 (2014Q3)
Portfolio Summary: 355 holdings with a total value of $653,505,000.
#
Name
Shares
Value ($)
%
Options
Notes
51 WADDELL & REED FINL INC 5,105 264,000 0.04%
52 Heartware International, Inc. 3,454 268,000 0.04%
53 ROCKWELL MED INC 29,312 268,000 0.04%
54 BOSTON SCIENTIFIC CORP 22,819 269,000 0.04%
55 ZELTIQ AESTHETICS INC 11,921 270,000 0.04%
56 SILVER SPRING NETWORKS INC COM 27,938 270,000 0.04%
57 ACHILLION PHARMACEUTICALS IN 27,448 274,000 0.04%
58 AUTOMATIC DATA PROCESSING IN 3,334 277,000 0.04%
59 SYNNEX CORP 4,311 279,000 0.04%
60 MOBILEYE N V AMSTELVEEN 5,300 284,000 0.04%
61 MINERALS TECHNOLOGIES INC 4,694 290,000 0.04%
62 CONCHO RESOURCES 2,338 293,000 0.04%
63 Lifepoint Hospitals Inc 6,954 296,000 0.05%
64 REXNORD CORP NEW COM 10,666 303,000 0.05%
65 ROYAL DUTCH SHELL PLC 4,020 306,000 0.05%
66 INTERCEPT PHARMACEUTICALS INCORPORATED 1,294 306,000 0.05%
67 COMCAST CORP NEW 5,802 312,000 0.05%
68 KEURIG GREEN MTN INC 2,420 315,000 0.05%
69 VERISK ANALYTICS INC 5,239 319,000 0.05%
70 QUINTILES IMS HOLDINGS INC 5,775 322,000 0.05%
71 ZENDESK INC 14,996 324,000 0.05%
72 CHICAGO BRIDGE & IRON CO N V 5,646 327,000 0.05%
73 STEEL DYNAMICS INC 14,450 327,000 0.05%
74 JOY GLOBAL INCORPORATED 6,015 328,000 0.05%
75 FASTENAL CO 7,500 337,000 0.05%
76 REGENERON PHARMACEUTICALS 935 337,000 0.05%
77 TECOGEN INC NEW 60,499 339,000 0.05%
78 ABB LTD 15,243 342,000 0.05%
79 INFINITY PHARMACEUTICALS INC 25,516 342,000 0.05%
80 ENTERPRISE PRODS PARTNERS L 8,520 343,000 0.05%
81 VERINT SYS INC 6,185 344,000 0.05%
82 EVEREST RE GROUP LTD 2,130 345,000 0.05%
83 HOMEAWAY INC 9,858 350,000 0.05%
84 SYNGENTA AG 5,582 354,000 0.05%
85 TEAM HEALTH HOLDINGS INC 6,131 356,000 0.05%
86 BORGWARNER INC 6,777 357,000 0.05%
87 ARUBA NETWORKS INC 16,584 358,000 0.05%
88 ANHEUSER BUSCH INBEV SA/NV 3,229 358,000 0.05%
89 ALNYLAM PHARMACEUTICALS INC 4,677 365,000 0.06%
90 BIOAMBER INC 36,858 368,000 0.06%
91 CHARLES RIV LABS INTL INC 6,185 369,000 0.06%
92 XOMA CORP DEL 89,428 376,000 0.06%
93 COMMERCIAL METALS CO COM 22,059 377,000 0.06%
94 WHITEWAVE FOODS CO 10,412 378,000 0.06%
95 LENNAR 9,728 378,000 0.06%
96 WAL-MART STORES INC 5,000 382,000 0.06%
97 INSULET CORPORATION 10,458 385,000 0.06%
98 VERTEX PHARMACEUTICALS INC 3,456 388,000 0.06%
99 PFIZER INC 13,105 388,000 0.06%
100 LIBERTY TAX INC 12,105 391,000 0.06%
Page 2 of 8

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001172661-14-001643, filed 2014.10.29).

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.