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 (2016Q1)
Original 13F HR (0001172661-16-003191) filed in 2016.05.09
#
Name
Shares
Value ($)
%
Options
Notes
251 TRIPLEPOINT VENTURE GROWTH B 39,439 414 0.07%
252 MEDICINES CO 12,894 410 0.07%
253 Market Vectors Gold 20,500 409 0.07%
254 CYPRESS SEMICONDUCTOR CORP 46,998 407 0.07%
255 PACIFIC BIOSCIENCES CALIF IN 47,416 403 0.07%
256 ANHEUSER BUSCH INBEV SA/NV 3,229 403 0.07%
257 AIR METHODS CORP 11,123 403 0.07%
258 MAXIMUS INC 7,641 402 0.07%
259 SYNTEL INCORPORATED 7,761 388 0.07%
260 EDWARDS LIFESCIENCES CORP 4,397 388 0.07%
261 VCA 6,725 388 0.07%
262 AMPHASTAR PHARMACEUTICALS INC COM 31,317 376 0.06%
263 STERLING CONSTRUCTION CO INC 72,613 374 0.06%
264 FASTENAL CO 7,500 368 0.06%
265 MATTERSIGHT CORP COM 91,634 367 0.06%
266 Alliance Fiber Optic Products 24,690 365 0.06%
267 PARSLEY ENERGY CLA A 16,133 365 0.06%
268 ALLEGION PUB LTD CO 5,696 363 0.06%
269 CIMAREX ENERGY 3,624 353 0.06%
270 ALLIANCE DATA SYSTEMS CORP 1,602 352 0.06%
271 SEATTLE GENETICS INC 10,006 351 0.06%
272 IAC INTERACTIVECORP 7,379 347 0.06%
273 Comstock Mining Inc 932,571 345 0.06%
274 ARTISAN PARTNERS ASSET MGMT 10,968 338 0.06%
275 ELECTRONICS FOR IMAGING INC 7,907 335 0.06%
276 PACIRA PHARMACEUTICALS INC 6,306 334 0.06%
277 ZENDESK INC 15,925 333 0.06%
278 MANITEX INTL INC 62,227 325 0.06%
279 INFUSYSTEM HLDGS INC 90,578 319 0.05%
280 WORKDAY INC 4,137 318 0.05%
281 FINISAR CORP 17,364 317 0.05%
282 WAL-MART STORES INC 4,500 308 0.05%
283 HERON THERAPEUTICS INC COM 16,100 306 0.05%
284 RADIANT LOGISTICS INC 85,704 306 0.05%
285 EXXON MOBIL CORP 3,589 300 0.05%
286 TELIGENT INC NEW 60,890 298 0.05%
287 DSW INC CL A 10,080 279 0.05%
288 FRANCO NEVADA CORP 4,500 276 0.05% PRN
289 ALLSTATE CORP 4,033 272 0.05%
290 COPART INC 6,600 269 0.05%
291 AERIE PHARMACEUTICALS INC 18,820 229 0.04%
292 LIBERTY TAX INC 11,715 229 0.04%
293 DIGITALGLOBE INC 13,000 225 0.04%
294 CABELAS INC 4,549 221 0.04%
295 DEPHEID 6,601 220 0.04%
296 CALLON PETE CO DEL COM 23,808 211 0.04%
297 SIRIUS XM HOLDINGS INC 53,200 210 0.04%
298 INGERSOLL-RAND PLC 3,383 210 0.04%
299 AUTOMATIC DATA PROCESSING IN 2,317 208 0.04%
300 DUKE ENERGY CORP NEW 2,578 208 0.04%
Page 6 of 7