ESSEX INVESTMENT MANAGEMENT CO LLC

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$567 Million is the total value of ESSEX INVESTMENT MANAGEMENT CO LLC's 333 reported holdings in Q2 2013. The portfolio turnover from Q1 2013 to Q2 2013 was - .

All

			Value		Shares		↓ Weighting
GOOGL	New	GOOGLE INCcl a	$15,223,000	–	17,292	+100.0%	2.69%	–
LCC	New	U S AIRWAYS GROUP INC	$13,117,000	–	798,869	+100.0%	2.31%	–
GILD	New	GILEAD SCIENCES INC	$12,766,000	–	248,991	+100.0%	2.25%	–
CELG	New	CELGENE CORP	$10,554,000	–	90,224	+100.0%	1.86%	–
SBUX	New	STARBUCKS CORP	$9,973,000	–	152,236	+100.0%	1.76%	–
APC	New	ANADARKO PETE CORP	$9,197,000	–	107,032	+100.0%	1.62%	–
CRM	New	SALESFORCE COM INC	$8,715,000	–	228,266	+100.0%	1.54%	–
ADBE	New	ADOBE SYS INC	$8,651,000	–	189,871	+100.0%	1.53%	–
MS	New	MORGAN STANLEY	$8,501,000	–	347,974	+100.0%	1.50%	–
DIS	New	DISNEY WALT CO	$8,360,000	–	132,376	+100.0%	1.48%	–
GS	New	GOLDMAN SACHS GROUP INC	$7,842,000	–	51,850	+100.0%	1.38%	–
SPLK	New	SPLUNK INC	$7,596,000	–	163,838	+100.0%	1.34%	–
WAGE	New	WAGEWORKS INC	$6,891,000	–	200,032	+100.0%	1.22%	–
EBAY	New	EBAY INC	$6,668,000	–	128,924	+100.0%	1.18%	–
INTU	New	INTUIT	$6,310,000	–	103,371	+100.0%	1.11%	–
JPM	New	JPMORGAN CHASE & CO	$6,175,000	–	116,974	+100.0%	1.09%	–
SSYS	New	STRATASYS LTD	$6,139,000	–	73,307	+100.0%	1.08%	–
DATA	New	TABLEAU SOFTWARE INCcl a	$6,132,000	–	110,640	+100.0%	1.08%	–
XONE	New	EXONE CO	$5,912,000	–	95,791	+100.0%	1.04%	–
AMZN	New	AMAZON COM INC	$5,717,000	–	20,588	+100.0%	1.01%	–
AYI	New	ACUITY BRANDS INC	$5,715,000	–	75,671	+100.0%	1.01%	–
AAPL	New	APPLE INC	$5,589,000	–	14,095	+100.0%	0.99%	–
SLB	New	SCHLUMBERGER LTD	$5,256,000	–	73,351	+100.0%	0.93%	–
TEAR	New	TEARLAB CORP	$4,895,000	–	460,928	+100.0%	0.86%	–
WPRT	New	WESTPORT INNOVATIONS INC	$4,841,000	–	144,365	+100.0%	0.85%	–
GTLS	New	CHART INDS INC	$4,746,000	–	50,437	+100.0%	0.84%	–
QCOM	New	QUALCOMM INC	$4,723,000	–	77,305	+100.0%	0.83%	–
EOG	New	EOG RES INC	$4,671,000	–	35,476	+100.0%	0.82%	–
MHFI	New	MCGRAW HILL FINL INC	$4,578,000	–	86,062	+100.0%	0.81%	–
COP	New	CONOCOPHILLIPS	$4,487,000	–	74,166	+100.0%	0.79%	–
ATRO	New	ASTRONICS CORP	$4,460,000	–	109,128	+100.0%	0.79%	–
FLTX	New	FLEETMATICS GROUP PLC	$4,451,000	–	133,938	+100.0%	0.78%	–
NVDQ	New	NOVADAQ TECHNOLOGIES INC	$4,220,000	–	313,502	+100.0%	0.74%	–
NGVC	New	NATURAL GROCERS BY VITAMIN C	$4,209,000	–	135,785	+100.0%	0.74%	–
HAL	New	HALLIBURTON CO	$4,199,000	–	100,646	+100.0%	0.74%	–
ELLI	New	ELLIE MAE INC	$4,096,000	–	177,483	+100.0%	0.72%	–
BEAV	New	B/E AEROSPACE INC	$3,992,000	–	63,282	+100.0%	0.70%	–
SCHW	New	SCHWAB CHARLES CORP NEW	$3,983,000	–	187,606	+100.0%	0.70%	–
UNXLQ	New	UNI PIXEL INC	$3,780,000	–	257,851	+100.0%	0.67%	–
COO	New	COOPER COS INC	$3,669,000	–	30,815	+100.0%	0.65%	–
SIVB	New	SVB FINL GROUP	$3,650,000	–	43,810	+100.0%	0.64%	–
PRO	New	PROS HOLDINGS INC	$3,622,000	–	120,925	+100.0%	0.64%	–
OREX	New	OREXIGEN THERAPEUTICS INC	$3,586,000	–	613,560	+100.0%	0.63%	–
DAL	New	DELTA AIR LINES INC DEL	$3,583,000	–	191,490	+100.0%	0.63%	–
WEB	New	WEB COM GROUP INC	$3,579,000	–	139,820	+100.0%	0.63%	–
TXTR	New	TEXTURA CORP	$3,554,000	–	136,633	+100.0%	0.63%	–
VRSK	New	VERISK ANALYTICS INCcl a	$3,533,000	–	59,186	+100.0%	0.62%	–
YNDX	New	YANDEX N V	$3,526,000	–	127,513	+100.0%	0.62%	–
ZTS	New	ZOETIS INCcl a	$3,447,000	–	111,605	+100.0%	0.61%	–
KO	New	COCA COLA CO	$3,337,000	–	83,205	+100.0%	0.59%	–
MSFT	New	MICROSOFT CORP	$3,238,000	–	93,746	+100.0%	0.57%	–
PWR	New	QUANTA SVCS INC	$3,232,000	–	122,163	+100.0%	0.57%	–
CSII	New	CARDIOVASCULAR SYS INC DEL	$3,197,000	–	150,784	+100.0%	0.56%	–
C	New	CITIGROUP INC	$3,175,000	–	66,184	+100.0%	0.56%	–
WFC	New	WELLS FARGO & CO NEW	$3,083,000	–	74,695	+100.0%	0.54%	–
CB	New	CHUBB CORP	$3,051,000	–	36,044	+100.0%	0.54%	–
FB	New	FACEBOOK INCcl a	$3,028,000	–	121,718	+100.0%	0.53%	–
TRGP	New	TARGA RES CORP	$3,014,000	–	46,848	+100.0%	0.53%	–
MLM	New	MARTIN MARIETTA MATLS INC	$2,978,000	–	30,259	+100.0%	0.52%	–
GE	New	GENERAL ELECTRIC CO	$2,949,000	–	127,173	+100.0%	0.52%	–
VIAB	New	VIACOM INC NEWcl b	$2,898,000	–	42,601	+100.0%	0.51%	–
BMI	New	BADGER METER INC	$2,893,000	–	64,933	+100.0%	0.51%	–
ENOC	New	ENERNOC INC	$2,880,000	–	217,187	+100.0%	0.51%	–
PAYX	New	PAYCHEX INC	$2,790,000	–	76,414	+100.0%	0.49%	–
APA	New	APACHE CORP	$2,752,000	–	32,830	+100.0%	0.49%	–
CVX	New	CHEVRON CORP NEW	$2,747,000	–	23,213	+100.0%	0.48%	–
SDLP	New	SEADRILL PARTNERS LLC	$2,741,000	–	93,401	+100.0%	0.48%	–
ABCO	New	ADVISORY BRD CO	$2,655,000	–	48,577	+100.0%	0.47%	–
T	New	AT&T INC	$2,590,000	–	73,165	+100.0%	0.46%	–
BIOS	New	BIOSCRIP INC	$2,566,000	–	155,537	+100.0%	0.45%	–
CLR	New	CONTINENTAL RESOURCES INC	$2,538,000	–	29,488	+100.0%	0.45%	–
HD	New	HOME DEPOT INC	$2,500,000	–	32,267	+100.0%	0.44%	–
STAA	New	STAAR SURGICAL CO	$2,447,000	–	241,074	+100.0%	0.43%	–
STC	New	STEWART INFORMATION SVCS COR	$2,440,000	–	93,180	+100.0%	0.43%	–
MON	New	MONSANTO CO NEW	$2,436,000	–	24,652	+100.0%	0.43%	–
CRAY	New	CRAY INC	$2,387,000	–	121,522	+100.0%	0.42%	–
VMW	New	VMWARE INC	$2,346,000	–	35,024	+100.0%	0.41%	–
ALKS	New	ALKERMES PLC	$2,339,000	–	81,542	+100.0%	0.41%	–
RRC	New	RANGE RES CORP	$2,325,000	–	30,068	+100.0%	0.41%	–
PGEM	New	PLY GEM HLDGS INC	$2,242,000	–	111,776	+100.0%	0.40%	–
IDTI	New	INTEGRATED DEVICE TECHNOLOGY	$2,209,000	–	278,225	+100.0%	0.39%	–
JNJ	New	JOHNSON & JOHNSON	$2,189,000	–	25,492	+100.0%	0.39%	–
PRLB	New	PROTO LABS INC	$2,182,000	–	33,578	+100.0%	0.38%	–
VECO	New	VEECO INSTRS INC DEL	$2,175,000	–	61,431	+100.0%	0.38%	–
AJG	New	GALLAGHER ARTHUR J & CO	$2,150,000	–	49,219	+100.0%	0.38%	–
CNO	New	CNO FINL GROUP INC	$2,128,000	–	164,177	+100.0%	0.38%	–
SODA	New	SODASTREAM INTERNATIONAL LTD	$2,027,000	–	27,895	+100.0%	0.36%	–
RBCN	New	RUBICON TECHNOLOGY INC	$2,008,000	–	251,997	+100.0%	0.35%	–
YELP	New	YELP INCcl a	$1,977,000	–	56,853	+100.0%	0.35%	–
BOFI	New	BOFI HLDG INC	$1,976,000	–	43,134	+100.0%	0.35%	–
VZ	New	VERIZON COMMUNICATIONS INC	$1,965,000	–	39,037	+100.0%	0.35%	–
RH	New	RESTORATION HARDWARE HLDGS I	$1,945,000	–	25,927	+100.0%	0.34%	–
CL	New	COLGATE PALMOLIVE CO	$1,941,000	–	33,877	+100.0%	0.34%	–
GLW	New	CORNING INC	$1,927,000	–	135,444	+100.0%	0.34%	–
PG	New	PROCTER & GAMBLE CO	$1,861,000	–	24,170	+100.0%	0.33%	–
LEDR	New	MARKET LEADER INC	$1,851,000	–	173,037	+100.0%	0.33%	–
UAL	New	UNITED CONTL HLDGS INC	$1,839,000	–	58,771	+100.0%	0.32%	–
CMA	New	COMERICA INC	$1,812,000	–	45,500	+100.0%	0.32%	–
VVTV	New	VALUEVISION MEDIA INCcl a	$1,804,000	–	353,077	+100.0%	0.32%	–
NEO	New	NEOGENOMICS INC	$1,695,000	–	425,847	+100.0%	0.30%	–
ICLR	New	ICON PLC	$1,634,000	–	46,109	+100.0%	0.29%	–
CREE	New	CREE INC	$1,619,000	–	25,357	+100.0%	0.29%	–
CALX	New	CALIX INC	$1,616,000	–	160,026	+100.0%	0.28%	–
CTRX	New	CATAMARAN CORP	$1,591,000	–	32,625	+100.0%	0.28%	–
HOLX	New	HOLOGIC INC	$1,585,000	–	82,108	+100.0%	0.28%	–
ORI	New	OLD REP INTL CORP	$1,580,000	–	122,796	+100.0%	0.28%	–
PSUNQ	New	PACIFIC SUNWEAR CALIF INC	$1,522,000	–	420,431	+100.0%	0.27%	–
MTDR	New	MATADOR RES CO	$1,501,000	–	125,286	+100.0%	0.26%	–
ININ	New	INTERACTIVE INTELLIGENCE GRO	$1,485,000	–	28,781	+100.0%	0.26%	–
TTI	New	TETRA TECHNOLOGIES INC DEL	$1,475,000	–	143,745	+100.0%	0.26%	–
SWN	New	SOUTHWESTERN ENERGY CO	$1,475,000	–	40,367	+100.0%	0.26%	–
SNA	New	SNAP ON INC	$1,456,000	–	16,293	+100.0%	0.26%	–
LYV	New	LIVE NATION ENTERTAINMENT IN	$1,458,000	–	94,073	+100.0%	0.26%	–
LOW	New	LOWES COS INC	$1,410,000	–	34,463	+100.0%	0.25%	–
POWR	New	POWERSECURE INTL INC	$1,408,000	–	93,661	+100.0%	0.25%	–
UNTD	New	UNITED ONLINE INC	$1,380,000	–	182,007	+100.0%	0.24%	–
UNH	New	UNITEDHEALTH GROUP INC	$1,354,000	–	20,685	+100.0%	0.24%	–
KKD	New	KRISPY KREME DOUGHNUTS INC	$1,334,000	–	76,423	+100.0%	0.24%	–
BFAM	New	BRIGHT HORIZONS FAM SOL IN D	$1,313,000	–	37,837	+100.0%	0.23%	–
BBD	New	BANCO BRADESCO S Asp adr pfd new	$1,308,000	–	100,532	+100.0%	0.23%	–
HXL	New	HEXCEL CORP NEW	$1,280,000	–	37,598	+100.0%	0.23%	–
LGND	New	LIGAND PHARMACEUTICALS INC	$1,283,000	–	34,302	+100.0%	0.23%	–
MMC	New	MARSH & MCLENNAN COS INC	$1,282,000	–	32,107	+100.0%	0.23%	–
DSCI	New	DERMA SCIENCES INC	$1,275,000	–	95,510	+100.0%	0.22%	–
WHR	New	WHIRLPOOL CORP	$1,256,000	–	10,979	+100.0%	0.22%	–
HSTM	New	HEALTHSTREAM INC	$1,249,000	–	49,317	+100.0%	0.22%	–
AFOP	New	ALLIANCE FIBER OPTIC PRODS I	$1,185,000	–	59,223	+100.0%	0.21%	–
EXP	New	EAGLE MATERIALS INC	$1,165,000	–	17,581	+100.0%	0.21%	–
AFFX	New	AFFYMETRIX INC	$1,161,000	–	261,440	+100.0%	0.20%	–
CALD	New	CALLIDUS SOFTWARE INC	$1,150,000	–	174,575	+100.0%	0.20%	–
EVR	New	EVERCORE PARTNERS INCclass a	$1,140,000	–	29,025	+100.0%	0.20%	–
MNTX	New	MANITEX INTL INC	$1,138,000	–	103,953	+100.0%	0.20%	–
ACETQ	New	ACETO CORP	$1,142,000	–	81,955	+100.0%	0.20%	–
FWMHQ	New	FAIRWAY GROUP HLDGS CORPcl a	$1,136,000	–	46,993	+100.0%	0.20%	–
EXAM	New	EXAMWORKS GROUP INC	$1,121,000	–	52,786	+100.0%	0.20%	–
THRM	New	GENTHERM INC	$1,114,000	–	59,963	+100.0%	0.20%	–
CPST	New	CAPSTONE TURBINE CORP	$1,113,000	–	951,035	+100.0%	0.20%	–
AOL	New	AOL INC	$1,098,000	–	30,092	+100.0%	0.19%	–
HAIN	New	HAIN CELESTIAL GROUP INC	$1,094,000	–	16,826	+100.0%	0.19%	–
SQNM	New	SEQUENOM INC	$1,065,000	–	252,986	+100.0%	0.19%	–
VPHM	New	VIROPHARMA INC	$1,060,000	–	37,005	+100.0%	0.19%	–
CATM	New	CARDTRONICS INC	$1,054,000	–	38,202	+100.0%	0.19%	–
DWSN	New	DAWSON GEOPHYSICAL CO	$1,053,000	–	28,571	+100.0%	0.19%	–
ABAX	New	ABAXIS INC	$1,051,000	–	22,131	+100.0%	0.18%	–
WBMD	New	WEBMD HEALTH CORP	$1,048,000	–	35,668	+100.0%	0.18%	–
ASGN	New	ON ASSIGNMENT INC	$1,050,000	–	39,299	+100.0%	0.18%	–
ITG	New	INVESTMENT TECHNOLOGY GRP NE	$1,049,000	–	75,070	+100.0%	0.18%	–
AKRXQ	New	AKORN INC	$1,044,000	–	77,216	+100.0%	0.18%	–
IMAX	New	IMAX CORP	$1,036,000	–	41,687	+100.0%	0.18%	–
RUSHA	New	RUSH ENTERPRISES INCcl a	$1,027,000	–	41,497	+100.0%	0.18%	–
AGN	New	ALLERGAN INC	$1,012,000	–	12,018	+100.0%	0.18%	–
ACHC	New	ACADIA HEALTHCARE COMPANY IN	$1,010,000	–	30,551	+100.0%	0.18%	–
JMBA	New	JAMBA INC	$999,000	–	66,934	+100.0%	0.18%	–
FNV	New	FRANCO NEVADA CORP	$985,000	–	27,527	+100.0%	0.17%	–
ERII	New	ENERGY RECOVERY INC	$983,000	–	237,983	+100.0%	0.17%	–
DYAX	New	DYAX CORP	$965,000	–	278,855	+100.0%	0.17%	–
HW	New	HEADWATERS INC	$946,000	–	107,018	+100.0%	0.17%	–
GBX	New	GREENBRIER COS INC	$944,000	–	38,725	+100.0%	0.17%	–
OMCL	New	OMNICELL INC	$922,000	–	44,847	+100.0%	0.16%	–
SAAS	New	INCONTACT INC	$918,000	–	111,720	+100.0%	0.16%	–
PRIM	New	PRIMORIS SVCS CORP	$908,000	–	46,065	+100.0%	0.16%	–
USEG	New	U S ENERGY CORP WYO	$888,000	–	428,828	+100.0%	0.16%	–
PGTI	New	PGT INC	$880,000	–	101,510	+100.0%	0.16%	–
STRM	New	STREAMLINE HEALTH SOLUTIONS	$879,000	–	133,807	+100.0%	0.16%	–
ALOG	New	ANALOGIC CORP	$881,000	–	12,096	+100.0%	0.16%	–
APAM	New	ARTISAN PARTNERS ASSET MGMTcl a	$869,000	–	17,404	+100.0%	0.15%	–
ATRC	New	ATRICURE INC	$859,000	–	90,411	+100.0%	0.15%	–
CTG	New	COMPUTER TASK GROUP INC	$856,000	–	37,269	+100.0%	0.15%	–
LNKD	New	LINKEDIN CORP	$842,000	–	4,722	+100.0%	0.15%	–
MIG	New	MEADOWBROOK INS GROUP INC	$842,000	–	104,835	+100.0%	0.15%	–
BGFV	New	BIG 5 SPORTING GOODS CORP	$841,000	–	38,321	+100.0%	0.15%	–
FRME	New	FIRST MERCHANTS CORP	$833,000	–	48,583	+100.0%	0.15%	–
USCR	New	U S CONCRETE INC	$830,000	–	50,578	+100.0%	0.15%	–
BMRN	New	BIOMARIN PHARMACEUTICAL INC	$808,000	–	14,489	+100.0%	0.14%	–
PCYG	New	PARK CITY GROUP INC	$803,000	–	105,918	+100.0%	0.14%	–
BBSI	New	BARRETT BUSINESS SERVICES IN	$802,000	–	15,365	+100.0%	0.14%	–
HOFT	New	HOOKER FURNITURE CORP	$798,000	–	49,083	+100.0%	0.14%	–
WILC	New	G WILLI FOOD INTL LTDord	$785,000	–	114,418	+100.0%	0.14%	–
AGYS	New	AGILYSYS INC	$770,000	–	68,179	+100.0%	0.14%	–
IRIX	New	IRIDEX CORP	$773,000	–	130,712	+100.0%	0.14%	–
EOX	New	EMERALD OIL INC	$766,000	–	111,600	+100.0%	0.14%	–
NE	New	NOBLE CORPORATION BAARnamen -akt	$759,000	–	20,194	+100.0%	0.13%	–
FCEL	New	FUELCELL ENERGY INC	$746,000	–	582,544	+100.0%	0.13%	–
ATEC	New	ALPHATEC HOLDINGS INC	$741,000	–	361,505	+100.0%	0.13%	–
LF	New	LEAPFROG ENTERPRISES INCcl a	$735,000	–	74,663	+100.0%	0.13%	–
GSIT	New	GSI TECHNOLOGY	$728,000	–	115,234	+100.0%	0.13%	–
AVNW	New	AVIAT NETWORKS INC	$726,000	–	277,139	+100.0%	0.13%	–
EHTH	New	EHEALTH INC	$702,000	–	30,919	+100.0%	0.12%	–
OSIS	New	OSI SYSTEMS INC	$696,000	–	10,798	+100.0%	0.12%	–
XOM	New	EXXON MOBIL CORP	$691,000	–	7,649	+100.0%	0.12%	–
HTZ	New	HERTZ GLOBAL HOLDINGS INC	$689,000	–	27,791	+100.0%	0.12%	–
TWIN	New	TWIN DISC INC	$687,000	–	29,006	+100.0%	0.12%	–
QLYS	New	QUALYS INC	$678,000	–	42,083	+100.0%	0.12%	–
WMT	New	WAL-MART STORES INC	$680,000	–	9,133	+100.0%	0.12%	–
ELOS	New	SYNERON MEDICAL LTD	$674,000	–	77,520	+100.0%	0.12%	–
AUY	New	YAMANA GOLD INC	$667,000	–	70,149	+100.0%	0.12%	–
NVS	New	NOVARTIS A Gsponsored adr	$662,000	–	9,363	+100.0%	0.12%	–
ILMN	New	ILLUMINA INC	$665,000	–	8,882	+100.0%	0.12%	–
ALXN	New	ALEXION PHARMACEUTICALS INC	$658,000	–	7,137	+100.0%	0.12%	–
GUID	New	GUIDANCE SOFTWARE INC	$646,000	–	73,960	+100.0%	0.11%	–
FIO	New	FUSION-IO INC	$639,000	–	44,850	+100.0%	0.11%	–
DHR	New	DANAHER CORP DEL	$633,000	–	10,000	+100.0%	0.11%	–
SIRI	New	SIRIUS XM RADIO INC	$620,000	–	185,010	+100.0%	0.11%	–
GSM	New	GLOBE SPECIALTY METALS INC	$607,000	–	55,848	+100.0%	0.11%	–
TWX	New	TIME WARNER INC	$598,000	–	10,348	+100.0%	0.11%	–
SLW	New	SILVER WHEATON CORP	$593,000	–	30,159	+100.0%	0.10%	–
ROC	New	ROCKWOOD HLDGS INC	$595,000	–	9,287	+100.0%	0.10%	–
USAT	New	USA TECHNOLOGIES INC	$590,000	–	338,945	+100.0%	0.10%	–
BLOX	New	INFOBLOX INC	$590,000	–	20,153	+100.0%	0.10%	–
MERU	New	MERU NETWORKS INC	$585,000	–	145,051	+100.0%	0.10%	–
TRIB	New	TRINITY BIOTECH PLCspon adr new	$579,000	–	34,339	+100.0%	0.10%	–
HL	New	HECLA MNG CO	$554,000	–	185,938	+100.0%	0.10%	–
TNP	New	TSAKOS ENERGY NAVIGATION LTD	$550,000	–	115,374	+100.0%	0.10%	–
MSPD	New	MINDSPEED TECHNOLOGIES INC	$543,000	–	167,456	+100.0%	0.10%	–
CECE	New	CECO ENVIRONMENTAL CORP	$542,000	–	44,045	+100.0%	0.10%	–
PDFS	New	PDF SOLUTIONS INC	$537,000	–	29,123	+100.0%	0.10%	–
BMY	New	BRISTOL MYERS SQUIBB CO	$538,000	–	12,046	+100.0%	0.10%	–
PODD	New	INSULET CORP	$531,000	–	16,908	+100.0%	0.09%	–
CHS	New	CHICOS FAS INC	$530,000	–	31,052	+100.0%	0.09%	–
KMI	New	KINDER MORGAN INC DEL	$526,000	–	13,795	+100.0%	0.09%	–
CUTR	New	CUTERA INC	$524,000	–	59,513	+100.0%	0.09%	–
ITW	New	ILLINOIS TOOL WKS INC	$519,000	–	7,500	+100.0%	0.09%	–
ADS	New	ALLIANCE DATA SYSTEMS CORP	$514,000	–	2,837	+100.0%	0.09%	–
CBI	New	CHICAGO BRIDGE & IRON CO N Vn y registry sh	$513,000	–	8,597	+100.0%	0.09%	–
WAB	New	WABTEC CORP	$503,000	–	9,412	+100.0%	0.09%	–
ENV	New	ENVESTNET INC	$485,000	–	19,735	+100.0%	0.09%	–
PKI	New	PERKINELMER INC	$478,000	–	14,714	+100.0%	0.08%	–
CPB	New	CAMPBELL SOUP CO	$468,000	–	10,456	+100.0%	0.08%	–
MCD	New	MCDONALDS CORP	$464,000	–	4,689	+100.0%	0.08%	–
VC	New	VISTEON CORP	$458,000	–	7,262	+100.0%	0.08%	–
ONXX	New	ONYX PHARMACEUTICALS INC	$443,000	–	5,097	+100.0%	0.08%	–
SUNS	New	SOLAR SR CAP LTD	$441,000	–	23,958	+100.0%	0.08%	–
AME	New	AMETEK INC NEW	$432,000	–	10,223	+100.0%	0.08%	–
DLTR	New	DOLLAR TREE INC	$411,000	–	8,087	+100.0%	0.07%	–
STML	New	STEMLINE THERAPEUTICS INC	$410,000	–	17,217	+100.0%	0.07%	–
AROPQ	New	AEROPOSTALE	$407,000	–	29,521	+100.0%	0.07%	–
SWKS	New	SKYWORKS SOLUTIONS INC	$402,000	–	18,377	+100.0%	0.07%	–
ICPT	New	INTERCEPT PHARMACEUTICALS IN	$401,000	–	8,944	+100.0%	0.07%	–
VRTX	New	VERTEX PHARMACEUTICALS INC	$398,000	–	4,977	+100.0%	0.07%	–
AXP	New	AMERICAN EXPRESS CO	$399,000	–	5,333	+100.0%	0.07%	–
MD	New	MEDNAX INC	$389,000	–	4,247	+100.0%	0.07%	–
ZIPR	New	ZIPREALTY INC	$391,000	–	125,065	+100.0%	0.07%	–
ACT	New	ACTAVIS INC	$392,000	–	3,107	+100.0%	0.07%	–
MDVN	New	MEDIVATION INC	$385,000	–	7,832	+100.0%	0.07%	–
ADP	New	AUTOMATIC DATA PROCESSING IN	$380,000	–	5,517	+100.0%	0.07%	–
CYOU	New	CHANGYOU COM LTDads rep cl a	$379,000	–	12,463	+100.0%	0.07%	–
TER	New	TERADYNE INC	$375,000	–	21,353	+100.0%	0.07%	–
SNY	New	SANOFIsponsored adr	$368,000	–	7,138	+100.0%	0.06%	–
MHK	New	MOHAWK INDS INC	$367,000	–	3,266	+100.0%	0.06%	–
AWAY	New	HOMEAWAY INC	$365,000	–	11,284	+100.0%	0.06%	–
REGN	New	REGENERON PHARMACEUTICALS	$361,000	–	1,604	+100.0%	0.06%	–
ESRX	New	EXPRESS SCRIPTS HLDG CO	$363,000	–	5,881	+100.0%	0.06%	–
V	New	VISA INC	$358,000	–	1,961	+100.0%	0.06%	–
JDSU	New	JDS UNIPHASE CORP	$352,000	–	24,465	+100.0%	0.06%	–
PFE	New	PFIZER INC	$353,000	–	12,597	+100.0%	0.06%	–
FAST	New	FASTENAL CO	$343,000	–	7,500	+100.0%	0.06%	–
BIIB	New	BIOGEN IDEC INC	$348,000	–	1,619	+100.0%	0.06%	–
JAZZ	New	JAZZ PHARMACEUTICALS PLC	$339,000	–	4,935	+100.0%	0.06%	–
PKG	New	PACKAGING CORP AMER	$335,000	–	6,838	+100.0%	0.06%	–
KEX	New	KIRBY CORP	$333,000	–	4,183	+100.0%	0.06%	–
IAC	New	IAC INTERACTIVECORP	$331,000	–	6,965	+100.0%	0.06%	–
GMLP	New	GOLAR LNG PARTNERS LP	$318,000	–	9,335	+100.0%	0.06%	–
CRDB	New	CRAWFORD & COcl b	$320,000	–	56,921	+100.0%	0.06%	–
THRX	New	THERAVANCE INC	$317,000	–	8,235	+100.0%	0.06%	–
ETP	New	ENERGY TRANSFER PRTNRS L Punit ltd partn	$313,000	–	6,202	+100.0%	0.06%	–
CMC	New	COMMERCIAL METALS CO	$312,000	–	21,154	+100.0%	0.06%	–
FRX	New	FOREST LABS INC	$305,000	–	7,437	+100.0%	0.05%	–
SPNV	New	SUPERIOR ENERGY SVCS INC	$305,000	–	11,774	+100.0%	0.05%	–
ROSE	New	ROSETTA RESOURCES INC	$303,000	–	7,121	+100.0%	0.05%	–
ACAD	New	ACADIA PHARMACEUTICALS INC	$302,000	–	16,647	+100.0%	0.05%	–
CNDO	New	CORONADO BIOSCIENCES INC	$297,000	–	34,487	+100.0%	0.05%	–
IG	New	IGI LABS INC	$295,000	–	206,344	+100.0%	0.05%	–
CMCSA	New	COMCAST CORP NEWcl a	$294,000	–	7,035	+100.0%	0.05%	–
TRN	New	TRINITY INDS INC	$293,000	–	7,615	+100.0%	0.05%	–
THST	New	TRUETT-HURST INCcl a	$295,000	–	50,000	+100.0%	0.05%	–
IL	New	INTRALINKS HLDGS INC	$288,000	–	39,727	+100.0%	0.05%	–
BUD	New	ANHEUSER BUSCH INBEV SA/NVsponsored adr	$291,000	–	3,229	+100.0%	0.05%	–
JOY	New	JOY GLOBAL INC	$287,000	–	5,913	+100.0%	0.05%	–
RALY	New	RALLY SOFTWARE DEV CORP	$286,000	–	11,519	+100.0%	0.05%	–
F113PS	New	COVIDIEN PLC	$278,000	–	4,417	+100.0%	0.05%	–
AEO	New	AMERICAN EAGLE OUTFITTERS NE	$279,000	–	15,274	+100.0%	0.05%	–
IBM	New	INTERNATIONAL BUSINESS MACHS	$276,000	–	1,445	+100.0%	0.05%	–
RE	New	EVEREST RE GROUP LTD	$273,000	–	2,130	+100.0%	0.05%	–
CLH	New	CLEAN HARBORS INC	$271,000	–	5,373	+100.0%	0.05%	–
TFX	New	TELEFLEX INC	$271,000	–	3,501	+100.0%	0.05%	–
AXE	New	ANIXTER INTL INC	$269,000	–	3,542	+100.0%	0.05%	–
ACHN	New	ACHILLION PHARMACEUTICALS IN	$268,000	–	32,800	+100.0%	0.05%	–
HSKA	New	HESKA CORP	$260,000	–	37,666	+100.0%	0.05%	–
GOLD	New	RANDGOLD RES LTDadr	$258,000	–	4,033	+100.0%	0.05%	–
FAF	New	FIRST AMERN FINL CORP	$260,000	–	11,778	+100.0%	0.05%	–
WDR	New	WADDELL & REED FINL INCcl a	$254,000	–	5,850	+100.0%	0.04%	–
NDSN	New	NORDSON CORP	$257,000	–	3,709	+100.0%	0.04%	–
WBC	New	WABCO HLDGS INC	$254,000	–	3,399	+100.0%	0.04%	–
RDSA	New	ROYAL DUTCH SHELL PLCspons adr a	$253,000	–	3,968	+100.0%	0.04%	–
AMGN	New	AMGEN INC	$248,000	–	2,515	+100.0%	0.04%	–
PBYI	New	PUMA BIOTECHNOLOGY INC	$248,000	–	5,596	+100.0%	0.04%	–
DGI	New	DIGITALGLOBE INC	$249,000	–	8,033	+100.0%	0.04%	–
EPD	New	ENTERPRISE PRODS PARTNERS L	$251,000	–	4,031	+100.0%	0.04%	–
HTWR	New	HEARTWARE INTL INC	$246,000	–	2,591	+100.0%	0.04%	–
NXPI	New	NXP SEMICONDUCTORS N V	$245,000	–	7,910	+100.0%	0.04%	–
MCHP	New	MICROCHIP TECHNOLOGY INC	$243,000	–	6,521	+100.0%	0.04%	–
XXIA	New	IXIA	$244,000	–	13,282	+100.0%	0.04%	–
NXTM	New	NXSTAGE MEDICAL INC	$237,000	–	16,580	+100.0%	0.04%	–
ATML	New	ATMEL CORP	$240,000	–	32,706	+100.0%	0.04%	–
SPNC	New	SPECTRANETICS CORP	$224,000	–	11,989	+100.0%	0.04%	–
PWER	New	POWER ONE INC NEW	$224,000	–	35,447	+100.0%	0.04%	–
GDX	New	MARKET VECTORS ETF TRgold miner etf	$220,000	–	9,000	+100.0%	0.04%	–
KYTH	New	KYTHERA BIOPHARMACEUTICALS I	$220,000	–	8,118	+100.0%	0.04%	–
MCK	New	MCKESSON CORP	$216,000	–	1,889	+100.0%	0.04%	–
JCI	New	JOHNSON CTLS INC	$210,000	–	5,873	+100.0%	0.04%	–
DUK	New	DUKE ENERGY CORP NEW	$211,000	–	3,125	+100.0%	0.04%	–
CPRT	New	COPART INC	$203,000	–	6,600	+100.0%	0.04%	–
CSIQ	New	CANADIAN SOLAR INC	$203,000	–	18,498	+100.0%	0.04%	–
ARC	New	ARC DOCUMENT SOLUTIONS INC	$200,000	–	50,000	+100.0%	0.04%	–
MDCA	New	MDC PARTNERS INCcl a sub vtg	$192,000	–	10,632	+100.0%	0.03%	–
ZIXI	New	ZIX CORP	$183,000	–	43,191	+100.0%	0.03%	–
CEMI	New	CHEMBIO DIAGNOSTICS INC	$181,000	–	36,213	+100.0%	0.03%	–
HASI	New	HANNON ARMSTRONG SUST INFR C	$184,000	–	15,529	+100.0%	0.03%	–
NMFC	New	NEW MTN FIN CORP	$178,000	–	12,561	+100.0%	0.03%	–
CCC	New	CALGON CARBON CORP	$178,000	–	10,684	+100.0%	0.03%	–
ELGX	New	ENDOLOGIX INC	$171,000	–	12,845	+100.0%	0.03%	–
SZYM	New	SOLAZYME INC	$164,000	–	14,010	+100.0%	0.03%	–
F	New	FORD MTR CO DEL	$161,000	–	10,437	+100.0%	0.03%	–
MM	New	MILLENNIAL MEDIA INC	$116,000	–	13,262	+100.0%	0.02%	–
GSVC	New	GSV CAP CORP	$95,000	–	12,053	+100.0%	0.02%	–
TINY	New	HARRIS & HARRIS GROUP INC	$71,000	–	23,197	+100.0%	0.01%	–
FFEX	New	FROZEN FOOD EXPRESS INDS INC	$72,000	–	44,447	+100.0%	0.01%	–
PLG	New	PLATINUM GROUP METALS LTD	$61,000	–	68,089	+100.0%	0.01%	–
PFSW	New	PFSWEB INC	$62,000	–	15,445	+100.0%	0.01%	–
JOEZ	New	JOES JEANS INC	$56,000	–	34,330	+100.0%	0.01%	–
PALDF	New	NORTH AMERN PALLADIUM LTD	$43,000	–	42,992	+100.0%	0.01%	–
ASTI	New	ASCENT SOLAR TECHNOLOGIES IN	$38,000	–	48,117	+100.0%	0.01%	–
ZAZA	New	ZAZA ENERGY CORP	$34,000	–	28,500	+100.0%	0.01%	–

Original filings

The following EDGAR filing(s) were analyzed to create this report:

View 13F-HR filed 2013-08-14

Signatures

The EDGAR filing(s) were signed by:

Michael McCarthy — Chief Compliance Officer and Director of Operations

Top long-term holdings

Name	Quarters owned	Latest quarter owned	Max weighting
GOLDMAN SACHS GROUP INC COM	42	Q3 2023	1.6%
INTUIT COM	42	Q3 2023	1.6%
PAYCHEX INC COM	42	Q3 2023	0.7%
QUANTA SVCS INC COM	42	Q3 2023	0.7%
PROCTER & GAMBLE CO COM	42	Q3 2023	0.4%
COLGATE PALMOLIVE CO COM	42	Q3 2023	0.4%
BADGER METER INC COM	42	Q3 2023	0.7%
VERIZON COMMUNICATIONS INC COM	42	Q3 2023	0.4%
GALLAGHER ARTHUR J & CO COM	42	Q3 2023	0.5%
MATADOR RES CO COM	42	Q3 2023	0.4%

View ESSEX INVESTMENT MANAGEMENT CO LLC's complete holdings history.

Latest significant ownerships (13-D/G)

ESSEX INVESTMENT MANAGEMENT CO LLC Q2 2013 significant holdings filed using form 13D/G when ownership exceeds 5% of a company's total stock issue.
	Filed	Shares	Percentage
Crumbs Bake Shop, Inc.	June 08, 2012	249,062	4.5%
57th Street General Acquisition Corp	August 10, 2011	781,665	17.4%
AMTECH SYSTEMS INC	January 25, 2010	726,561	8.1%
BioScrip, Inc.	January 25, 2010	2,169,832	5.5%
GSE SYSTEMS INC	January 25, 2010	1,015,014	5.4%
LECROY CORP	January 25, 2010	851,197	6.8%
TRANSCEND SERVICES INC	January 25, 2010	761,188	7.4%
BIOLASE TECHNOLOGY INC	February 13, 2009	1,912,710	7.9%
CHINDEX INTERNATIONAL INC	February 13, 2009	696,506	5.2%
Wonder Auto Technology, Inc	February 13, 2009	1,778,018	6.6%

View ESSEX INVESTMENT MANAGEMENT CO LLC's complete significant-ownership history.

Latest filings

Type	Filed
13F-HR	2024-02-08
13F-HR	2023-11-09
13F-HR	2023-08-14
13F-HR	2023-05-04
13F-HR	2023-02-03
13F-HR	2022-11-14
13F-HR	2022-08-12
13F-HR	2022-05-09
13F-HR	2022-02-10
13F-HR	2021-11-09

View ESSEX INVESTMENT MANAGEMENT CO LLC's complete filings history.

All filings

View complete filings history.

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