ESSEX INVESTMENT MANAGEMENT CO LLC

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$729 Million is the total value of ESSEX INVESTMENT MANAGEMENT CO LLC's 477 reported holdings in Q2 2019. The portfolio turnover from Q1 2019 to Q2 2019 was 46.7% .

All

			Value		Shares		↓ Weighting
AMZN	Buy	AMAZON COM INC COM	$17,190,000	+29.5%	9,078	+21.7%	2.36%	+20.2%
DIS	Buy	DISNEY WALT CO COM DISNEY	$16,325,000	+54.2%	116,905	+22.6%	2.24%	+43.2%
CIEN	Buy	CIENA CORP COM NEW	$9,063,000	+17.6%	220,342	+6.8%	1.24%	+9.3%
JPM	Buy	JPMORGAN CHASE & CO COM	$7,741,000	+35.7%	69,238	+22.9%	1.06%	+26.1%
PEP	Buy	PEPSICO INC COM	$7,685,000	+13382.5%	58,605	+12503.2%	1.06%	+13087.5%
CRLBF	New	CRESCO LABS INC SUB VTG SHS	$7,529,000	–	732,357	+100.0%	1.03%	–
BABA	Buy	ALIBABA GROUP HLDG LTD SPONSOR	$7,206,000	+21.5%	42,523	+30.8%	0.99%	+12.9%
NOVT	Buy	NOVANTA INC COM	$6,656,000	+30.1%	70,585	+16.9%	0.91%	+20.8%
CVX	Buy	CHEVRON CORP NEW COM	$6,459,000	+18.6%	51,906	+17.4%	0.89%	+10.2%
OUT	Buy	OUTFRONT MEDIA INC COM	$6,291,000	+2623.4%	243,929	+2372.9%	0.86%	+2438.2%
ASGN	Buy	ASGN INC COM	$4,657,000	+3.5%	76,847	+8.4%	0.64%	-3.9%
AKAM	Buy	AKAMAI TECHNOLOGIES INC COM	$4,375,000	+2132.1%	54,586	+1899.5%	0.60%	+1969.0%
MITK	Buy	MITEK SYS INC COM NEW	$4,187,000	-9.6%	421,230	+11.4%	0.58%	-15.9%
PS	Buy	PLURALSIGHT INC COM CL A	$4,122,000	+2.8%	135,960	+7.7%	0.57%	-4.4%
CRSP	New	CRISPR THERAPEUTICS AG NAMEN A	$4,032,000	–	85,599	+100.0%	0.55%	–
MS	Buy	MORGAN STANLEY COM NEW	$3,894,000	+45.5%	88,887	+40.1%	0.53%	+35.2%
KOS	Buy	KOSMOS ENERGY LTD COM	$3,862,000	+54.5%	615,920	+53.5%	0.53%	+43.6%
SLB	Buy	SCHLUMBERGER LTD COM	$3,628,000	+47.5%	91,303	+61.7%	0.50%	+37.2%
SWCH	Buy	SWITCH INC CL A	$3,560,000	+1698.0%	271,980	+1314.8%	0.49%	+1586.2%
EOG	Buy	EOG RES INC COM	$3,508,000	+27.3%	37,659	+30.0%	0.48%	+18.2%
UBER	New	UBER TECHNOLOGIES INC COM	$3,466,000	–	74,731	+100.0%	0.48%	–
JMIA	New	JUMIA TECHNOLOGIES AG SPONSORE	$3,462,000	–	131,055	+100.0%	0.48%	–
PI	Buy	IMPINJ INC COM	$3,364,000	+100.0%	117,537	+17.1%	0.46%	+86.3%
ASPN	Buy	ASPEN AEROGELS INC COM	$3,309,000	+227.0%	464,164	+16.9%	0.45%	+204.7%
INVE	Buy	IDENTIV INC COM NEW	$3,205,000	+16.6%	626,069	+14.8%	0.44%	+8.4%
COWN	Buy	COWEN INC CL A NEW	$3,187,000	+31.9%	185,403	+11.2%	0.44%	+22.4%
DBX	New	DROPBOX INC CL A	$3,091,000	–	123,391	+100.0%	0.42%	–
RLGT	Buy	RADIANT LOGISTICS INC COM	$3,081,000	+14.0%	501,786	+17.0%	0.42%	+6.0%
ERII	Buy	ENERGY RECOVERY INC COM	$3,059,000	+53.8%	293,598	+28.9%	0.42%	+42.9%
MODN	Buy	MODEL N INC COM	$2,941,000	+24.1%	150,805	+11.6%	0.40%	+15.4%
ITRI	Buy	ITRON INC COM	$2,908,000	+463.6%	46,472	+319.9%	0.40%	+425.0%
LXFR	Buy	LUXFER HOLDINGS PLC SHS	$2,901,000	+14.9%	118,318	+17.1%	0.40%	+6.7%
OGZPY	New	GAZPROM PJSC SPON ADR	$2,826,000	–	382,757	+100.0%	0.39%	–
STRL	Buy	STERLING CONSTRUCTION CO INC C	$2,791,000	+25.3%	207,991	+16.9%	0.38%	+16.4%
RUN	Buy	SUNRUN INC COM	$2,787,000	+46.5%	148,566	+9.8%	0.38%	+35.9%
FSTR	Buy	FOSTER L B CO COM	$2,692,000	+69.8%	98,462	+16.9%	0.37%	+57.7%
CDMO	Buy	AVID BIOSERVICES INC COM	$2,674,000	+233.0%	477,542	+152.6%	0.37%	+208.4%
SIVB	New	SVB FINL GROUP COM	$2,659,000	–	11,840	+100.0%	0.36%	–
ZIXI	New	ZIX CORP COM	$2,643,000	–	290,743	+100.0%	0.36%	–
HWKN	Buy	HAWKINS INC COM	$2,619,000	+34.0%	60,341	+13.7%	0.36%	+24.2%
BZH	Buy	BEAZER HOMES USA INC COM NEW	$2,609,000	-9.7%	271,469	+8.1%	0.36%	-16.2%
MSON	Buy	MISONIX INC COM	$2,611,000	+54.7%	102,733	+17.0%	0.36%	+43.8%
ATRS	Buy	ANTARES PHARMA INC COM	$2,603,000	+27.7%	791,313	+17.7%	0.36%	+18.6%
TWTR	Buy	TWITTER INC COM	$2,517,000	+8579.3%	72,112	+8150.8%	0.34%	+8525.0%
ACRGF	New	ACREAGE HOLDINGS INC COM SUB V	$2,515,000	–	153,120	+100.0%	0.34%	–
COP	Buy	CONOCOPHILLIPS COM	$2,461,000	-2.3%	40,343	+6.9%	0.34%	-9.1%
HRVSF	Buy	HARVEST HEALTH RECREATION INC	$2,448,000	-22.6%	396,541	+20.2%	0.34%	-28.1%
SPOT	Buy	SPOTIFY TECHNOLOGY S A SHS	$2,438,000	+294.5%	16,676	+274.5%	0.34%	+268.1%
CMCO	Buy	COLUMBUS MCKINNON CORP N Y COM	$2,376,000	+42.1%	56,621	+16.3%	0.33%	+32.0%
FB	New	FACEBOOK INC CL A	$2,335,000	–	12,096	+100.0%	0.32%	–
TSG	Buy	STARS GROUP INC COM	$2,282,000	+123.9%	133,672	+129.7%	0.31%	+107.3%
NOC	New	NORTHROP GRUMMAN CORP COM	$2,248,000	–	6,956	+100.0%	0.31%	–
GLD	New	SPDR GOLD TRUST GOLD SHS	$2,252,000	–	16,905	+100.0%	0.31%	–
CECE	Buy	CECO ENVIRONMENTAL CORP COM	$2,253,000	+56.2%	234,924	+17.3%	0.31%	+45.1%
WLDN	Buy	WILLDAN GROUP INC COM	$2,216,000	+17.2%	59,478	+16.6%	0.30%	+9.0%
BLBD	New	BLUE BIRD CORP COM	$2,201,000	–	111,803	+100.0%	0.30%	–
	New	ORGANIGRAM HLDGS INC COM	$2,190,000	–	340,000	+100.0%	0.30%	–
YPF	Buy	YPF SOCIEDAD ANONIMA SPON ADR	$2,129,000	+72.1%	116,911	+32.5%	0.29%	+59.6%
VZ	Buy	VERIZON COMMUNICATIONS INC COM	$2,088,000	-2.6%	36,540	+0.8%	0.29%	-9.5%
TRMB	Buy	TRIMBLE INC COM	$2,082,000	+246.4%	46,161	+210.1%	0.29%	+221.3%
MTDR	Buy	MATADOR RES CO COM	$2,044,000	+65.2%	102,821	+60.6%	0.28%	+53.6%
QTRX	New	QUANTERIX CORP COM	$2,043,000	–	60,452	+100.0%	0.28%	–
TGEN	Buy	TECOGEN INC NEW COM NEW	$2,030,000	+2.5%	541,241	+9.0%	0.28%	-4.8%
HCI	Buy	HCI GROUP INC COM	$2,014,000	+7.9%	49,754	+13.9%	0.28%	0.0%
TNAV	Buy	TELENAV INC COM	$1,993,000	+53.4%	249,140	+16.4%	0.27%	+42.7%
HRTG	Buy	HERITAGE INS HLDGS INC COM	$1,995,000	+20.6%	129,451	+14.2%	0.27%	+12.3%
FCN	Buy	FTI CONSULTING INC COM	$1,989,000	+84.7%	23,723	+69.2%	0.27%	+71.7%
BHVN	Buy	BIOHAVEN PHARMACTL HLDG CO LTD	$1,957,000	+42.3%	44,686	+67.2%	0.27%	+32.5%
BCML	Buy	BAYCOM CORP COM	$1,942,000	+13.2%	88,672	+17.0%	0.27%	+5.5%
CYBE	Buy	CYBEROPTICS CORP COM	$1,914,000	+11.0%	117,934	+17.0%	0.26%	+3.1%
RADA	New	RADA ELECTR INDS LTD COM PAR N	$1,887,000	–	573,423	+100.0%	0.26%	–
AKTS	Buy	AKOUSTIS TECHNOLOGIES INC COM	$1,871,000	+543.0%	292,331	+484.7%	0.26%	+497.7%
GTBIF	New	GREEN THUMB INDUSTRIES INC SUB	$1,799,000	–	161,481	+100.0%	0.25%	–
IVAC	Buy	INTEVAC INC COM	$1,772,000	-7.5%	366,169	+17.1%	0.24%	-14.1%
NBEV	New	NEW AGE BEVERAGES CORP	$1,724,000	–	370,000	+100.0%	0.24%	–
CURLF	New	CURALEAF HLDGS INC SUB VTG SHS	$1,720,000	–	239,830	+100.0%	0.24%	–
CCJ	Buy	CAMECO CORP COM	$1,709,000	+13.8%	159,261	+25.0%	0.24%	+5.9%
AXTI	Buy	AXT INC COM	$1,673,000	+30.9%	422,477	+47.1%	0.23%	+21.7%
GHM	Buy	GRAHAM CORP COM	$1,661,000	+20.7%	82,189	+17.3%	0.23%	+12.3%
STNG	New	SCORPIO TANKERS INC SHS	$1,654,000	–	56,038	+100.0%	0.23%	–
EA	Buy	ELECTRONIC ARTS INC COM	$1,644,000	+457.3%	16,232	+458.4%	0.23%	+413.6%
NSTG	New	NANOSTRING TECHNOLOGIES INC CO	$1,604,000	–	52,857	+100.0%	0.22%	–
LTRX	Buy	LANTRONIX INC COM NEW	$1,599,000	+39.5%	480,322	+26.6%	0.22%	+29.6%
TTI	Buy	TETRA TECHNOLOGIES INC DEL COM	$1,569,000	-20.4%	962,373	+14.3%	0.22%	-26.1%
LUNA	Buy	LUNA INNOVATIONS COM	$1,557,000	+25.9%	345,912	+16.6%	0.21%	+16.9%
STKL	Buy	SUNOPTA INC COM	$1,534,000	+102.9%	466,187	+113.5%	0.21%	+88.4%
AXDX	New	ACCELERATE DIAGNOSTICS INC COM	$1,539,000	–	67,250	+100.0%	0.21%	–
ULBI	Buy	ULTRALIFE CORP COM	$1,531,000	-9.6%	192,640	+16.8%	0.21%	-16.0%
JOUT	Buy	JOHNSON OUTDOORS INC CL A	$1,531,000	+22.0%	20,525	+16.7%	0.21%	+13.5%
SPNE	Buy	SEASPINE HLDGS CORP COM	$1,512,000	+2.9%	114,124	+17.2%	0.21%	-4.1%
AMRN	New	AMARIN CORP PLC SPONS ADR NEW	$1,469,000	–	75,776	+100.0%	0.20%	–
MNTX	Buy	MANITEX INTL INC COM	$1,458,000	-6.7%	238,569	+16.8%	0.20%	-13.4%
NXPI	Buy	NXP SEMICONDUCTORS N V COM	$1,450,000	+69.8%	14,854	+53.8%	0.20%	+57.9%
EXFO	Buy	EXFO INC SUB VTG SHS	$1,444,000	+16.6%	394,671	+17.3%	0.20%	+8.2%
EYPT	Buy	EYEPOINT PHARMACEUTICALS	$1,435,000	+45.8%	875,098	+59.2%	0.20%	+35.9%
RGLD	Buy	ROYAL GOLD INC COM	$1,427,000	+1341.4%	13,919	+1173.5%	0.20%	+1206.7%
LIQT	New	LIQTECH INTL INC COM	$1,415,000	–	142,776	+100.0%	0.19%	–
BELFB	Buy	BEL FUSE INC CL B	$1,390,000	-20.6%	80,943	+17.0%	0.19%	-26.3%
MOMO	New	MOMO INC ADR	$1,381,000	–	38,576	+100.0%	0.19%	–
LLNW	Buy	LIMELIGHT NETWORKS INC COM	$1,364,000	+227.1%	505,007	+291.5%	0.19%	+201.6%
QTNT	Buy	QUOTIENT LTD SHS	$1,356,000	+17.7%	145,010	+13.4%	0.19%	+9.4%
TRNS	Buy	TRANSCAT INC COM	$1,332,000	+29.6%	52,064	+16.3%	0.18%	+20.4%
CDNA	Buy	CAREDX INC COM	$1,288,000	+84.3%	35,779	+61.4%	0.18%	+71.8%
IVC	Buy	INVACARE CORP COM	$1,233,000	-27.5%	237,491	+16.9%	0.17%	-32.7%
TPVG	Buy	TRIPLEPOINT VENTURE GROWTH BDC	$1,207,000	+5.0%	84,818	+1.5%	0.17%	-2.4%
SONM	New	SONIM TECHNOLOGIES INC COM	$1,209,000	–	95,000	+100.0%	0.17%	–
JNUG	New	DIREXION SHS ETF TR DAILY JR G	$1,191,000	–	19,864	+100.0%	0.16%	–
REED	New	REEDS INC COM	$1,182,000	–	312,703	+100.0%	0.16%	–
SAGE	New	SAGE THERAPEUTICS INC COM	$1,159,000	–	6,332	+100.0%	0.16%	–
GNSS	Buy	LRAD CORP COM	$1,159,000	+99.5%	352,146	+72.9%	0.16%	+84.9%
USAK	Buy	USA TRUCK INC COM	$1,159,000	-17.9%	114,681	+17.4%	0.16%	-23.6%
HOG	Buy	HARLEY DAVIDSON INC COM	$1,145,000	+68.1%	31,950	+67.3%	0.16%	+55.4%
BAC	New	BANK AMER CORP COM	$1,132,000	–	39,031	+100.0%	0.16%	–
HBIO	Buy	HARVARD BIOSCIENCE INC COM	$1,114,000	-45.7%	556,886	+16.9%	0.15%	-49.5%
ARC	Buy	ARC DOCUMENT SOLUTIONS INC COM	$1,115,000	+6.9%	546,506	+16.9%	0.15%	-0.6%
OSPN	Buy	ONESPAN INC COM	$1,107,000	-24.1%	78,090	+2.9%	0.15%	-29.3%
CSBR	Buy	CHAMPIONS ONCOLOGY INC COM NEW	$1,082,000	+38.2%	138,232	+72.9%	0.15%	+27.6%
SMTX	Buy	SMTC CORP COM NEW	$1,067,000	+76.4%	276,532	+72.7%	0.15%	+64.0%
CDLX	New	CARDLYTICS INC COM	$1,063,000	–	40,930	+100.0%	0.15%	–
PXD	New	PIONEER NAT RES CO COM	$1,053,000	–	6,847	+100.0%	0.14%	–
KSU	Buy	KANSAS CITY SOUTHERN COM NEW	$1,050,000	+3938.5%	8,621	+3818.6%	0.14%	+3500.0%
SGDM	New	ALPS ETF TR SPROTT GL MINE	$1,043,000	–	47,401	+100.0%	0.14%	–
EBIX	New	EBIX INC COM NEW	$1,036,000	–	20,632	+100.0%	0.14%	–
FLGT	Buy	FULGENT GENETICS INC COM	$1,034,000	+92.6%	154,801	+71.6%	0.14%	+79.7%
ICAD	New	ICAD INC COM NEW	$1,020,000	–	160,071	+100.0%	0.14%	–
ATEC	New	ALPHATEC HOLDINGS INC COM NEW	$1,015,000	–	223,589	+100.0%	0.14%	–
GENC	Buy	GENCOR INDS INC COM	$994,000	+23.3%	76,477	+17.4%	0.14%	+14.3%
CEMI	New	CHEMBIO DIAGNOSTICS INC COM NE	$940,000	–	154,407	+100.0%	0.13%	–
PKBK	Buy	PARKE BANCORP INC COM	$936,000	+98.3%	39,061	+72.9%	0.13%	+82.9%
PFIE	Buy	PROFIRE ENERGY INC COM	$927,000	+46.7%	613,837	+73.8%	0.13%	+36.6%
NGD	Buy	NEW GOLD INC CDA COM	$908,000	+109.2%	944,596	+87.4%	0.12%	+95.3%
SWKS	Buy	SKYWORKS SOLUTIONS INC COM	$895,000	+136.8%	11,578	+152.7%	0.12%	+119.6%
LYTS	Buy	LSI INDS INC COM	$879,000	+62.2%	240,881	+17.0%	0.12%	+51.2%
CVU	New	CPI AEROSTRUCTURES INC COM NEW	$861,000	–	102,419	+100.0%	0.12%	–
ARTX	Buy	AROTECH CORP COM NEW	$863,000	-21.0%	433,778	+16.2%	0.12%	-26.7%
BWXT	Buy	BWX TECHNOLOGIES INC COM	$849,000	+277.3%	16,287	+258.8%	0.12%	+254.5%
MBII	New	MARRONE BIO INNOVATIONS INC CO	$843,000	–	561,702	+100.0%	0.12%	–
IIN	Buy	INTRICON CORP COM	$839,000	+62.0%	35,900	+73.9%	0.12%	+49.4%
SGMS	Buy	SCIENTIFIC GAMES CORP CL A	$810,000	+215.2%	40,877	+224.5%	0.11%	+192.1%
AJRD	Buy	AEROJET ROCKETDYNE HLDGS INC C	$790,000	+351.4%	17,653	+257.9%	0.11%	+315.4%
NTIC	Buy	NORTHERN TECH INTL CORP COM	$747,000	+57.6%	30,546	+72.3%	0.10%	+47.1%
MUX	New	MCEWEN MNG INC COM	$725,000	–	414,044	+100.0%	0.10%	–
TMDX	New	TRANSMEDICS GROUP INC COM	$714,000	–	24,631	+100.0%	0.10%	–
LOVE	Buy	LOVESAC COMPANY COM	$708,000	+321.4%	22,796	+278.3%	0.10%	+288.0%
LASR	Buy	NLIGHT INC COM	$709,000	+112.3%	36,909	+146.3%	0.10%	+98.0%
CTEK	Buy	CYNERGISTEK INC COM	$709,000	+242.5%	146,500	+251.4%	0.10%	+212.9%
CRDA	Buy	CRAWFORD & CO CL A	$699,000	+463.7%	66,349	+394.3%	0.10%	+433.3%
FLDM	New	FLUIDIGM CORP DEL COM	$689,000	–	55,949	+100.0%	0.10%	–
QRHC	Buy	QUEST RESOURCE HLDG CORP COM N	$688,000	+190.3%	248,538	+72.8%	0.09%	+168.6%
TUFN	New	TUFIN SOFTWARE TECHNOLOGIS LTD	$672,000	–	25,941	+100.0%	0.09%	–
LINC	Buy	LINCOLN EDL SVCS CORP COM	$674,000	+34.0%	291,702	+79.9%	0.09%	+24.3%
LTHM	Buy	LIVENT CORP COM	$650,000	-8.8%	93,934	+61.8%	0.09%	-15.2%
ATRO	Buy	ASTRONICS CORP COM	$622,000	+212.6%	15,477	+154.6%	0.08%	+193.1%
PESI	Buy	PERMA-FIX ENVIRONMENTAL SVCS C	$608,000	+98.0%	155,447	+77.8%	0.08%	+84.4%
DLHC	Buy	DLH HLDGS CORP COM	$599,000	+37.1%	117,829	+72.4%	0.08%	+26.2%
CODA	New	CODA OCTOPUS GROUP INC COM NEW	$599,000	–	45,907	+100.0%	0.08%	–
FTEK	Buy	FUEL TECH INC COM	$594,000	+17.2%	424,305	+39.8%	0.08%	+9.3%
TTWO	Buy	TAKE-TWO INTERACTIVE SOFTWARE	$600,000	+300.0%	5,288	+233.4%	0.08%	+272.7%
SKIS	Buy	PEAK RESORTS INC COM	$584,000	+80.2%	122,947	+72.4%	0.08%	+66.7%
ATVI	Buy	ACTIVISION BLIZZARD INC COM	$577,000	+256.2%	12,232	+243.0%	0.08%	+229.2%
	New	PERION NETWORK LTD SHS NEW	$567,000	–	194,855	+100.0%	0.08%	–
IRIX	Buy	IRIDEX CORP COM	$554,000	+71.0%	121,803	+71.2%	0.08%	+58.3%
ENG	Buy	ENGLOBAL CORP COM	$547,000	+203.9%	607,816	+71.9%	0.08%	+177.8%
CMT	Buy	CORE MOLDING TECHNOLOGIES INC	$523,000	+74.9%	70,001	+72.8%	0.07%	+63.6%
PYDS	Buy	USIO INC COM	$528,000	+126.6%	152,651	+72.0%	0.07%	+111.8%
NEXT	New	NEXTDECADE CORP COM	$511,000	–	80,917	+100.0%	0.07%	–
FRD	Buy	FRIEDMAN INDS INC COM	$507,000	+56.5%	72,810	+72.4%	0.07%	+45.8%
FAST	Buy	FASTENAL CO COM	$489,000	+1.5%	15,000	+100.0%	0.07%	-5.6%
	Buy	OCEANAGOLD CORPORATION COM	$490,000	-5.4%	178,766	+8.4%	0.07%	-13.0%
IDXG	Buy	INTERPACE DIAGNOSTICS GROUP IN	$468,000	+57.6%	645,769	+73.8%	0.06%	+45.5%
OBCI	Buy	OCEAN BIO CHEM INC COM	$465,000	+64.3%	141,284	+70.4%	0.06%	+52.4%
MANU	Buy	MANCHESTER UTD PLC NEW ORD CL	$466,000	+210.7%	25,777	+229.3%	0.06%	+190.9%
RFIL	New	RF INDS LTD COM PAR $0.01	$446,000	–	52,878	+100.0%	0.06%	–
AEHR	Buy	AEHR TEST SYSTEMS	$445,000	+107.0%	269,438	+72.6%	0.06%	+90.6%
GPL	Buy	GREAT PANTHER MINING LTD COM	$427,000	+354.3%	500,000	+400.0%	0.06%	+321.4%
BWEN	New	BROADWIND ENERGY INC COM NEW	$417,000	–	187,663	+100.0%	0.06%	–
JASN	Buy	JASON INDS INC COM	$280,000	-19.5%	430,034	+72.9%	0.04%	-25.5%
CRWS	Buy	CROWN CRAFTS INC COM	$269,000	+57.3%	57,140	+72.3%	0.04%	+48.0%
SFIX	New	STITCH FIX INC COM CL A	$265,000	–	8,282	+100.0%	0.04%	–
PSTG	Buy	PURE STORAGE INC CL A	$261,000	-15.5%	17,065	+20.4%	0.04%	-21.7%
PHAS	New	PHASEBIO PHARMACEUTICALS INC C	$262,000	–	20,000	+100.0%	0.04%	–
KIRK	Buy	KIRKLANDS INC COM	$254,000	-62.3%	112,596	+17.4%	0.04%	-65.0%
VGZ	Buy	VISTA GOLD CORP COM NEW	$238,000	+24.6%	313,182	+11.9%	0.03%	+17.9%
DBI	New	DESIGNER BRANDS INC CL A	$229,000	–	11,935	+100.0%	0.03%	–
VG	New	VONAGE HLDGS CORP COM	$208,000	–	18,345	+100.0%	0.03%	–
LTBR	Buy	LIGHTBRIDGE CORP COM NEW	$179,000	+126.6%	269,167	+87.7%	0.02%	+108.3%
VTSI	Buy	VIRTRA INC COM PAR	$174,000	+1.8%	74,851	+74.2%	0.02%	-4.0%
X	Buy	UNITED STATES STL CORP NEW COM	$148,000	+34.5%	9,638	+70.6%	0.02%	+25.0%
ALC	New	ALCON INC ORD SHS	$113,000	–	1,819	+100.0%	0.02%	–
DD	New	DUPONT DE NEMOURS INC COM	$87,000	–	1,155	+100.0%	0.01%	–
CCHWF	New	COLUMBIA CARE INC COM	$79,000	–	14,999	+100.0%	0.01%	–
	New	STEADYMED LTD CVRrt	$70,000	–	265,066	+100.0%	0.01%	–
DOW	New	DOW INC COM	$57,000	–	1,155	+100.0%	0.01%	–
	New	COLUMBIA CARE INCwt	$52,000	–	45,000	+100.0%	0.01%	–
FANUY	New	FANUC CORPORATION ADR	$44,000	–	2,402	+100.0%	0.01%	–
CTVA	New	CORTEVA INC COM	$32,000	–	1,098	+100.0%	0.00%	–
TYG	Buy	TORTOISE ENERGY INFRA CORP COM	$18,000	-5.3%	810	+2.8%	0.00%	-33.3%
AMD	New	ADVANCED MICRO DEVICES INC COM	$15,000	–	500	+100.0%	0.00%	–
NSRGY	New	NESTLE S A SPONSORED ADR	$2,000	–	20	+100.0%	0.00%	–
MAXR	New	MAXAR TECHNOLOGIES INC COM	$1,000	–	175	+100.0%	0.00%	–
HCKT	Buy	HACKETT GROUP INC COM	$0	–	0	+100.0%	0.00%	–

Original filings

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

View 13F-HR filed 2019-08-15

Signatures

The EDGAR filing(s) were signed by:

David A. Rozenson — Attorney-in-Fact

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 2019 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	2024-05-03
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

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

All filings

View complete filings history.

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Export ESSEX INVESTMENT MANAGEMENT CO LLC's holdings