ESSEX INVESTMENT MANAGEMENT CO LLC

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$688 Million is the total value of ESSEX INVESTMENT MANAGEMENT CO LLC's 386 reported holdings in Q1 2023. The portfolio turnover from Q4 2022 to Q1 2023 was 35.4% .

All

			Value		Shares		↓ Weighting
STKL	Buy	SUNOPTA INC COM	$11,576,873	+105470.6%	1,503,490	+15.7%	1.68%	-1.5%
CSTL	Buy	CASTLE BIOSCIENCES INC COM	$10,926,457	+102293.9%	480,918	+6.1%	1.59%	-4.5%
HCI	Buy	HCI GROUP INC COM	$10,492,307	+231160.9%	195,752	+70.8%	1.52%	+115.7%
TPIC	Buy	TPI COMPOSITES INC COM	$9,987,061	+287297.4%	765,292	+123.3%	1.45%	+168.4%
SEDG	Buy	SOLAREDGE TECHNOLOGIES INC COM	$8,765,310	+111106.7%	28,838	+3.6%	1.27%	+3.7%
THC	New	TENET HEALTHCARE CORP COM NEW	$8,139,708	–	136,986	+100.0%	1.18%	–
TNDM	Buy	TANDEM DIABETES CARE INC COM N	$7,623,025	+94619.5%	187,713	+4.8%	1.11%	-11.6%
CMBM	Buy	CAMBIUM NETWORKS CORP SHS	$6,875,590	+85898.6%	388,013	+5.2%	1.00%	-19.8%
PATK	Buy	PATRICK INDS INC COM	$5,905,082	+116532.1%	85,817	+2.7%	0.86%	+8.7%
	Buy	LEONARDO DRS INC COM	$5,872,284	+114637.9%	452,759	+13.0%	0.85%	+7.2%
DIS	Buy	DISNEY WALT CO COM	$5,699,500	+135087.4%	56,921	+17.3%	0.83%	+26.0%
GNRC	Buy	GENERAC HLDGS INC COM	$5,698,392	+126166.2%	52,758	+17.7%	0.83%	+17.8%
GWRE	Buy	GUIDEWIRE SOFTWARE INC COM	$5,607,133	+4792321.4%	68,338	+3564.2%	0.82%	+4427.8%
TMDX	Buy	TRANSMEDICS GROUP INC COM	$5,345,023	+143044.7%	70,580	+16.7%	0.78%	+33.5%
ASPN	Buy	ASPEN AEROGELS INC COM	$5,297,002	+64576.5%	711,007	+2.4%	0.77%	-39.7%
RVLV	Buy	REVOLVE GROUP INC CL A	$4,801,170	+138262.2%	182,554	+17.1%	0.70%	+29.0%
HCCI	Buy	HERITAGE CRYSTAL CLEAN INC COM	$4,772,274	+119776.3%	134,015	+9.3%	0.69%	+11.9%
VRAY	Buy	VIEWRAY INC COM	$4,612,149	+83605.1%	1,332,991	+8.4%	0.67%	-21.9%
ICHR	Buy	ICHOR HOLDINGS SHS	$4,444,979	+137217.9%	135,766	+12.5%	0.65%	+28.2%
DAVA	Buy	ENDAVA PLC ADSadr	$4,249,068	+121964.6%	63,249	+39.0%	0.62%	+14.0%
ATEC	Buy	ALPHATEC HLDGS INC COM NEW	$4,000,667	+147526.1%	256,453	+16.9%	0.58%	+37.7%
SKY	Buy	SKYLINE CHAMPION CORPORATION C	$3,901,052	+179341.2%	51,855	+22.8%	0.57%	+67.3%
VCYT	Buy	VERACYTE INC COM	$3,873,889	+116865.2%	173,717	+24.5%	0.56%	+9.1%
	Buy	WOLFSPEED INC COM	$3,873,033	+118668.3%	59,631	+26.3%	0.56%	+10.8%
AXGN	Buy	AXOGEN INC COM	$3,792,030	+102804.5%	401,273	+8.7%	0.55%	-4.0%
KRNT	Buy	KORNIT DIGITAL LTD SHS	$3,783,273	+106022.7%	195,417	+25.9%	0.55%	-0.9%
SUP	Buy	SUPERIOR INDS INTL INC COM	$3,710,223	+137061.7%	749,540	+16.9%	0.54%	+28.0%
KRUS	Buy	KURA SUSHI USA INC CL A COM	$3,511,379	+157219.8%	53,332	+13.9%	0.51%	+46.6%
	Buy	DOCEBO INC COM	$3,507,999	+254471.8%	86,107	+107.1%	0.51%	+137.2%
RVNC	Buy	REVANCE THERAPEUTICS INC COM	$3,498,425	+278881.3%	108,613	+59.9%	0.51%	+160.5%
BLDR	Buy	BUILDERS FIRSTSOURCE INC COM	$3,400,096	+145389.8%	38,298	+6.3%	0.49%	+35.7%
RGP	Buy	RESOURCES CONNECTION INC COM	$3,380,047	+107476.3%	198,127	+15.9%	0.49%	+0.2%
GMED	Buy	GLOBUS MED INC CL A	$3,313,213	+80967.1%	58,496	+6.3%	0.48%	-24.3%
DDD	Buy	3-D SYS CORP DEL COM NEW	$3,263,918	+148597.9%	304,470	+2.6%	0.47%	+38.6%
ASIX	Buy	ADVANSIX INC COM	$3,211,695	+116392.4%	83,922	+15.7%	0.47%	+8.6%
	New	NIBE INDUSTRIER AB	$3,177,046	–	279,665	+100.0%	0.46%	–
BHE	Buy	BENCHMARK ELECTRS INC COM	$3,174,128	+99340.1%	133,986	+12.0%	0.46%	-7.2%
TRNS	Buy	TRANSCAT INC COM	$3,164,317	+147283.2%	35,399	+16.9%	0.46%	+37.7%
ASYS	Buy	AMTECH SYS INC COM PAR $0.01N	$2,974,744	+146656.0%	311,818	+16.9%	0.43%	+36.7%
OI	Buy	O-I GLASS INC COM	$2,944,783	+169335.2%	129,669	+23.6%	0.43%	+57.9%
	New	ZURN ELKAY WATER SOLNS CORP CO	$2,902,717	–	135,895	+100.0%	0.42%	–
SSTI	Buy	SHOTSPOTTER INC COM	$2,890,453	+135602.0%	73,511	+16.8%	0.42%	+26.5%
BW	Buy	BABCOCK & WILCOX ENTERPRISES I	$2,886,063	+121520.9%	476,248	+15.8%	0.42%	+13.2%
PHR	Buy	PHREESIA INC COM	$2,726,245	+109387.8%	84,430	+9.7%	0.40%	+2.1%
GOLD	Buy	BARRICK GOLD CORP COM	$2,540,599	+135615.8%	136,812	+25.6%	0.37%	+26.4%
UPWK	Buy	UPWORK INC COM	$2,521,926	+108979.8%	222,785	+0.6%	0.37%	+1.9%
ALTG	Buy	ALTA EQUIPMENT GROUP INC COMMO	$2,508,897	+140061.8%	158,290	+16.7%	0.36%	+30.8%
CCS	Buy	CENTURY CMNTYS INC COM	$2,479,201	+157810.9%	38,786	+23.6%	0.36%	+46.9%
LUNA	Buy	LUNA INNOVATIONS COM	$2,452,193	+95390.4%	341,056	+16.8%	0.36%	-11.0%
MRC	Buy	MRC GLOBAL INC COM	$2,429,747	+112701.6%	249,974	+34.4%	0.35%	+5.1%
	Buy	INSTRUCTURE HLDGS INC COM	$2,413,492	+136719.3%	93,185	+23.8%	0.35%	+27.6%
AVNT	Buy	AVIENT CORPORATION COM	$2,359,754	+121914.2%	57,331	+0.1%	0.34%	+14.0%
INVE	Buy	IDENTIV INC COM NEW	$2,295,439	+99183.7%	373,850	+17.1%	0.33%	-7.2%
VMD	Buy	VIEMED HEALTHCARE INC COM	$2,290,270	+149200.5%	237,088	+16.8%	0.33%	+39.3%
KTOS	Buy	KRATOS DEFENSE & SEC SOLUTIONS	$2,277,015	+214712.7%	168,918	+64.5%	0.33%	+100.6%
BABA	Buy	ALIBABA GROUP HLDG LTD SPONSORadr	$2,216,795	+134577.7%	21,695	+16.1%	0.32%	+25.8%
LXFR	Buy	LUXFER HLDGS PLC SHS	$2,172,647	+143688.7%	128,559	+16.7%	0.32%	+34.5%
EVR	Buy	EVERCORE INC CLASS A	$2,154,491	+129532.4%	18,673	+22.5%	0.31%	+20.8%
SKYT	Buy	SKYWATER TECHNOLOGY INC COM	$2,143,195	+188727.8%	188,330	+18.0%	0.31%	+76.3%
CHPT	Buy	CHARGEPOINT HOLDINGS INC COM C	$2,101,109	+173115.9%	200,679	+57.7%	0.30%	+61.4%
EOLS	Buy	EVOLUS INC COM	$2,086,634	+130396.2%	246,647	+15.9%	0.30%	+21.7%
FIVE	Buy	FIVE BELOW INC COM	$2,036,837	+143846.1%	9,889	+23.6%	0.30%	+34.5%
VITL	Buy	VITAL FARMS INC COM	$1,988,281	+118603.3%	129,953	+15.7%	0.29%	+10.7%
PRTS	Buy	CARPARTS COM INC COM	$1,985,182	+126748.7%	371,757	+48.7%	0.29%	+18.4%
AKYA	Buy	AKOYA BIOSCIENCES INC COM	$1,952,591	+155609.0%	238,703	+82.2%	0.28%	+45.6%
CDXS	Buy	CODEXIS INC COM	$1,948,951	+130526.7%	470,761	+47.0%	0.28%	+22.0%
SSYS	Buy	STRATASYS LTD SHS	$1,917,182	+246324.4%	115,982	+76.7%	0.28%	+130.6%
MTDR	Buy	MATADOR RES CO COM	$1,922,296	+97528.0%	40,342	+17.3%	0.28%	-9.1%
OFIX	New	ORTHOFIX MED INC COM	$1,899,796	–	113,421	+100.0%	0.28%	–
ATRC	New	ATRICURE INC COM	$1,883,322	–	45,436	+100.0%	0.27%	–
PFMT	Buy	PERFORMANT FINL CORP COM	$1,883,858	+109681.9%	554,076	+16.6%	0.27%	+2.6%
NSTG	New	NANOSTRING TECHNOLOGIES INC CO	$1,880,545	–	189,954	+100.0%	0.27%	–
EVH	Buy	EVOLENT HEALTH INC CL A	$1,839,947	+142753.0%	56,701	+23.6%	0.27%	+32.8%
STXS	Buy	STEREOTAXIS INC COM NEW	$1,762,405	+122204.3%	863,924	+24.1%	0.26%	+13.8%
GTLS	New	CHART INDS INC COM PAR $0.01	$1,754,471	–	13,991	+100.0%	0.26%	–
LTRX	Buy	LANTRONIX INC COM NEW	$1,745,609	+117370.3%	402,214	+16.9%	0.25%	+9.5%
VUZI	Buy	VUZIX CORP COM NEW	$1,739,802	+119803.7%	420,242	+5.4%	0.25%	+11.9%
EVCM	Buy	EVERCOMMERCE INC COM	$1,684,558	+175924.9%	159,221	+23.8%	0.24%	+64.4%
CLPT	Buy	CLEARPOINT NEURO INC COM	$1,655,016	+116204.7%	196,092	+16.7%	0.24%	+8.6%
IAC	Buy	IAC INC COM NEW	$1,650,632	+4232289.7%	31,989	+3568.5%	0.24%	+3900.0%
ADPT	New	ADAPTIVE BIOTECHNOLOGIES CORP	$1,594,451	–	180,572	+100.0%	0.23%	–
INSM	Buy	INSMED INC COM PAR $.01	$1,588,378	+105510.2%	93,160	+23.8%	0.23%	-1.3%
GDXJ	Buy	VANECK ETF TRUST JUNIOR GOLD Metf	$1,525,806	+116284.9%	38,628	+5.0%	0.22%	+8.8%
MNTX	Buy	MANITEX INTL INC COM	$1,520,314	+151931.4%	291,807	+16.8%	0.22%	+41.7%
TTI	Buy	TETRA TECHNOLOGIES INC DEL COM	$1,511,406	+89279.4%	570,342	+16.7%	0.22%	-16.3%
MTRX	Buy	MATRIX SVC CO COM	$1,508,868	+101370.6%	279,420	+16.9%	0.22%	-5.6%
GDX	Buy	VANECK ETF TRUST GOLD MINERS Eetf	$1,485,512	+113994.6%	45,920	+1.1%	0.22%	+6.4%
BDSX	Buy	BIODESIX INC COM	$1,461,313	+168060.3%	785,652	+107.8%	0.21%	+57.0%
BEEM	Buy	BEAM GLOBAL COM	$1,451,772	+193728.0%	91,249	+112.9%	0.21%	+80.3%
DZSI	Buy	DZS INC COM	$1,430,354	+72543.7%	181,287	+16.7%	0.21%	-32.2%
AREC	Buy	AMERICAN RES CORP CL A	$1,418,934	+133133.2%	945,956	+17.2%	0.21%	+24.1%
WYNN	Buy	WYNN RESORTS LTD COM	$1,410,066	+174413.1%	12,600	+28.6%	0.20%	+62.7%
RTX	New	RAYTHEON TECHNOLOGIES CORP COM	$1,405,100	–	14,348	+100.0%	0.20%	–
ZUO	Buy	ZUORA INC COM CL A	$1,373,774	+191767.9%	139,046	+23.5%	0.20%	+78.6%
INCY	Buy	INCYTE CORP COM	$1,335,622	+109108.7%	18,481	+21.4%	0.19%	+1.6%
OPBK	Buy	OP BANCORP COM	$1,322,413	+93159.0%	148,419	+16.8%	0.19%	-13.1%
CAMP	Buy	CALAMP CORP COM	$1,321,213	+125849.8%	368,026	+57.2%	0.19%	+17.8%
CIEN	New	CIENA CORP COM NEW	$1,314,050	–	25,020	+100.0%	0.19%	–
NTRA	New	NATERA INC COM	$1,310,383	–	23,602	+100.0%	0.19%	–
BRKL	Buy	BROOKLINE BANCORP INC DEL COM	$1,284,717	+91731.1%	122,354	+23.8%	0.19%	-14.2%
KNSA	New	KINIKSA PHARMACEUTICALS LTD CO	$1,282,269	–	119,170	+100.0%	0.19%	–
WLDN	Buy	WILLDAN GROUP INC COM	$1,269,422	+101943.6%	81,269	+16.6%	0.18%	-4.6%
SPWR	Buy	SUNPOWER CORP COM	$1,257,738	+94895.3%	90,877	+23.7%	0.18%	-11.2%
ZBRA	New	ZEBRA TECHNOLOGIES CORP-CL A	$1,254,192	–	3,944	+100.0%	0.18%	–
BSX	New	BOSTON SCIENTIFIC CORP COM	$1,200,720	–	24,000	+100.0%	0.18%	–
	New	DRAFTKINGS INC NEW COM CL A	$1,174,048	–	60,643	+100.0%	0.17%	–
NETI	New	ENETI INC COM	$1,162,831	–	124,367	+100.0%	0.17%	–
C	Buy	CITIGROUP INC COM NEW	$1,156,870	+193356.5%	24,672	+86.5%	0.17%	+80.6%
WDAY	New	WORKDAY INC CL A	$1,156,211	–	5,598	+100.0%	0.17%	–
CL	Buy	COLGATE PALMOLIVE CO COM	$1,141,754	+95524.3%	15,193	+0.3%	0.17%	-10.8%
KOPN	Buy	KOPIN CORP COM	$1,108,885	+103052.1%	1,017,326	+17.4%	0.16%	-3.6%
MU	Buy	MICRON TECHNOLOGY INC COM	$1,080,448	+7717385.7%	17,906	+6204.9%	0.16%	+7750.0%
	Buy	BLACKSKY TECHNOLOGY INC COM CL	$1,051,010	+113522.7%	700,673	+16.7%	0.15%	+6.2%
HLIT	Buy	HARMONIC INC COM	$1,024,524	+196545.7%	70,221	+76.6%	0.15%	+84.0%
TER	Buy	TERADYNE INC COM	$1,018,657	+7835723.1%	9,475	+6434.5%	0.15%	+7300.0%
COIN	New	COINBASE GLOBAL INC COM CL A	$1,013,550	–	15,000	+100.0%	0.15%	–
BWA	New	BORGWARNER INC COM	$1,010,291	–	20,572	+100.0%	0.15%	–
KLIC	New	KULICKE & SOFFA INDS INC COM	$983,143	–	18,659	+100.0%	0.14%	–
GFF	Buy	GRIFFON CORP COM	$960,236	+110526.3%	29,998	+23.6%	0.14%	+3.7%
SQ	New	BLOCK INC CL A	$940,368	–	13,698	+100.0%	0.14%	–
CZR	New	CAESARS ENTERTAINMENT INC NEW	$910,746	–	18,659	+100.0%	0.13%	–
BMY	New	BRISTOL-MYERS SQUIBB CO COM	$905,397	–	13,063	+100.0%	0.13%	–
PACK	New	RANPAK HOLDINGS CORP COM CL A	$900,967	–	172,599	+100.0%	0.13%	–
ISUN	Buy	ISUN INC COM	$896,815	+292022.1%	870,694	+279.4%	0.13%	+170.8%
PRCH	Buy	PORCH GROUP INC COM	$858,555	+88777.3%	600,388	+16.8%	0.12%	-16.7%
CBOE	New	CBOE GLOBAL MKTS INC COM	$850,679	–	6,337	+100.0%	0.12%	–
CRL	New	CHARLES RIV LABS INTL INC COM	$847,240	–	4,198	+100.0%	0.12%	–
BA	New	BOEING CO COM	$830,176	–	3,908	+100.0%	0.12%	–
AVAV	New	AEROVIRONMENT INC COM	$801,750	–	8,747	+100.0%	0.12%	–
PYPL	New	PAYPAL HLDGS INC COM	$805,875	–	10,612	+100.0%	0.12%	–
AA	New	ALCOA CORP COM	$754,419	–	17,726	+100.0%	0.11%	–
	Buy	MEDIWOUND LTD SHS NEW	$727,430	+98601.5%	54,612	+0.0%	0.11%	-7.8%
SANW	Buy	S&W SEED CO COM	$701,743	+272951.8%	485,635	+181.5%	0.10%	+155.0%
HP	New	HELMERICH & PAYNE INC COM	$693,264	–	19,392	+100.0%	0.10%	–
EYPT	Buy	EYEPOINT PHARMACEUTICALS INC C	$693,181	+98084.3%	235,776	+16.8%	0.10%	-8.2%
CSTE	Buy	CAESARSTONE LTD ORD SHS	$690,429	+84304.5%	167,174	+16.7%	0.10%	-21.3%
TSLA	New	TESLA INC COM	$663,872	–	3,200	+100.0%	0.10%	–
MCO	New	MOODYS CORP COM	$643,866	–	2,104	+100.0%	0.09%	–
DOMO	Buy	DOMO INC COM CL B	$623,282	+123078.3%	43,924	+23.7%	0.09%	+15.2%
DAIO	New	DATA I O CORP COM	$449,368	–	90,416	+100.0%	0.06%	–
	Buy	RIVIAN AUTOMOTIVE INC COM CL A	$447,078	+85711.5%	28,881	+2.1%	0.06%	-19.8%
LPTH	New	LIGHTPATH TECHNOLOGIES INC CL	$336,058	–	238,339	+100.0%	0.05%	–
WIX	New	WIX COM LTD SHS	$130,339	–	1,306	+100.0%	0.02%	–
PACB	Buy	PACIFIC BIOSCIENCES CALIF INC	$121,115	+252222.9%	10,459	+78.5%	0.02%	+157.1%
PRVA	Buy	PRIVIA HEALTH GROUP INC COM	$120,407	+167131.9%	4,361	+38.1%	0.02%	+63.6%
DAN	Buy	DANA INC COM	$118,383	+114835.0%	7,866	+15.7%	0.02%	+6.2%
QTWO	Buy	Q2 HLDGS INC COM	$96,264	+111834.9%	3,910	+22.2%	0.01%	+7.7%
	Buy	DUTCH BROS INC CL A	$88,374	+210314.3%	2,794	+86.9%	0.01%	+85.7%
NEP	Buy	NEXTERA ENERGY PARTNERS LP COM	$74,358	+391257.9%	1,224	+361.9%	0.01%	+266.7%
	New	GE HEALTHCARE TECHNOLOGIES INC	$29,859	–	364	+100.0%	0.00%	–
	New	LINDE PLC SHS	$7,109	–	20	+100.0%	0.00%	–
NSRGY	New	NESTLE S A SPONSORED ADRadr	$2,434	–	20	+100.0%	0.00%	–
TPVG	New	TRIPLEPOINT VENTURE GROWTH BDC	$2,307	–	191	+100.0%	0.00%	–

Original filings

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

View 13F-HR filed 2023-05-04

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 Q1 2023 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

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