ESSEX INVESTMENT MANAGEMENT CO LLC

Name: ESSEX INVESTMENT MANAGEMENT CO LLC: Form 13F holdings for the quarter ended 2026-06-30
Creator: Listed

An institutional investment manager in BOSTON, MA. Its Form 13F for the quarter ended Jun 30, 2026, filed Aug 6, 2026. SEC CIK 201772.

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Reported value$763.4m
Positions306

Holdings: 306 positions

The filing on sec.gov

As filed, largest first. Reported value is what the manager stated for each position at the quarter end, in US dollars; it is filing data, not a price. Weight is the position's share of the total reported value. Changes compare with the 13F for the quarter ended 2026-03-31.

ESSEX INVESTMENT MANAGEMENT CO LLC, holdings
Issuer	Class	CUSIP	Reported value$m	Weight	Shares	Change on the quarter before
Tower Semiconductor Ltd	COM	M87915274	27.5	3.6%	105,543	Reduced−10,390
Lincoln Edl SVCS CorpLINC	COM	533535100	17.0	2.2%	340,366	Reduced−14,938
Kiniksa Pharmaceuticals International P	COM	G52694109	15.4	2.0%	241,382	Reduced−7,896
Ouster IncOUST	COM	68989M202	14.1	1.9%	226,028	Added+41,443
Ligand Pharmaceuticals IncLGND	COM	53220K504	13.8	1.8%	43,567	Reduced−14,893
Ceco Environmental CorpCECO	COM	125141101	13.6	1.8%	150,416	Reduced−6,830
Sterling Infrastructure IncSTRL	COM	859241101	13.6	1.8%	16,155	Reduced−15,902
Arteris IncAIP	COM	04302A104	13.5	1.8%	277,665	Reduced−12,654
Mirum Pharmaceuticals IncMIRM	COM	604749101	12.4	1.6%	105,669	Reduced−2,669
Argan IncAGX	COM	04010E109	12.4	1.6%	15,467	Reduced−631
Graham CorpGHM	COM	384556106	11.6	1.5%	93,405	Reduced−34,889
Leonardo DRS IncDRS	COM	52661A108	10.7	1.4%	250,215	Reduced−11,239
Adaptive Biotechnologies CorpADPT	COM	00650F109	10.1	1.3%	472,763	Reduced−20,640
Werner Enterprises IncWERN	COM	950755108	10.1	1.3%	231,625	New+231,625
HCI Group IncHCI	COM	40416E103	9.9	1.3%	56,260	Reduced−1,374
GE Vernova IncGEV	COM	36828A101	9.7	1.3%	8,283	Reduced−36
Cohu IncCOHU	COM	192576106	9.7	1.3%	131,170	Reduced−60,715
Apple IncAAPL	COM	037833100	9.4	1.2%	32,427	Reduced−153
American Superconductor CorpAMSC	COM	030111207	9.2	1.2%	221,933	Reduced−5,625
Brainsway LtdBWAY	ADR	10501L106	9.2	1.2%	592,606	Reduced−25,947
Tetra Technologies Inc DelTTI	COM	88162F105	8.4	1.1%	741,007	Reduced−33,092
LSI Inds Inc OhioLYTS	COM	50216C108	7.9	1.0%	295,820	Added+21,738
Marvell Technology IncMRVL	COM	573874104	7.7	1.0%	25,911	Reduced−10,292
Kratos Defense & Sec SolutionsKTOS	COM	50077B207	7.7	1.0%	153,576	Reduced−5,268
Travere Therapeutics IncTVTX	COM	89422G107	7.6	1.0%	133,866	Reduced−27,839
Goldman Sachs Group IncGS	COM	38141G104	7.6	1.0%	7,513	Reduced−43
Patrick Inds IncPATK	COM	703343103	7.4	1.0%	82,960	Added+36,732
Orion Group Holdings IncORN	COM	68628V308	7.4	1.0%	442,603	Reduced−19,169
Asml HLDG NV	ADR	N07059210	7.0	0.9%	3,538	Reduced−18
Ambarella Inc	COM	G037AX101	6.9	0.9%	79,997	Reduced−2,390
Novocure Ltd	COM	G6674U108	6.7	0.9%	439,648	Reduced−12,722
Amazon Com IncAMZN	COM	023135106	6.4	0.8%	27,062	Reduced−146
Avepoint IncAVPT	COM	053604104	6.4	0.8%	571,541	Added+73,059
Advanced Drain Sys Inc DelWMS	COM	00790R104	6.3	0.8%	40,413	Reduced−156
Semtech CorpSMTC	COM	816850101	6.2	0.8%	38,226	Reduced−12,418
Oceaneering International IncOII	COM	675232102	6.1	0.8%	151,463	Reduced−6,911
Everus Constr GroupECG	COM	300426103	6.0	0.8%	36,377	Reduced−1,721
Agnico Eagle Mines LtdAEM	COM	008474108	6.0	0.8%	38,462	Reduced−181
Liquidia CorporationLQDA	COM	53635D202	6.0	0.8%	74,743	Reduced−3,428
Willdan Group IncWLDN	COM	96924N100	5.9	0.8%	74,890	Reduced−3,402
Frequency Electrs IncFEIM	COM	358010106	5.9	0.8%	89,043	Reduced−3,983
Microsoft CorpMSFT	COM	594918104	5.9	0.8%	15,714	Reduced−77
Mamas Creations IncMAMA	COM	56146T103	5.8	0.8%	326,938	Reduced−14,719
Xeris Biopharma Holdings IncXERS	COM	98422E103	5.7	0.7%	715,608	Reduced−32,161
Park Aerospace CorpPKE	COM	70014A104	5.5	0.7%	143,663	Reduced−6,230
Biodesix IncBDSX	COM	09075X207	5.5	0.7%	241,915	Added+109,829
Xometry IncXMTR	COM	98423F109	5.4	0.7%	55,919	New+55,919
Bluelinx Holdings IncBXC	COM	09624H208	5.4	0.7%	86,593	New+86,593
Mitek Sys IncMITK	COM	606710200	5.3	0.7%	263,913	Reduced−11,689
Crexendo IncCXDO	COM	226552107	5.3	0.7%	710,874	Reduced−32,112
Mirion Technologies IncMIR	COM	60471A101	5.3	0.7%	295,060	Reduced−14,050
Red Violet IncRDVT	COM	75704L104	5.3	0.7%	82,555	Added+21,613
Jazz Pharmaceuticals plc	COM	G50871105	5.2	0.7%	21,665	Reduced−113
Diodes IncDIOD	COM	254543101	5.1	0.7%	46,732	Reduced−2,137
Apyx Medical CorporationAPYX	COM	03837C106	5.1	0.7%	1,136,630	Added+235,232
BWX Technologies IncBWXT	COM	05605H100	5.0	0.6%	25,431	Reduced−124
Ocular Therapeutix IncOCUL	COM	67576A100	4.7	0.6%	482,154	Added+89,436
Sprouts FMRS MKT IncSFM	COM	85208M102	4.7	0.6%	55,176	Added+44,773
Lightpath Technologies IncLPTH	COM	532257805	4.7	0.6%	285,052	Added+68,521
Insmed IncINSM	COM	457669307	4.6	0.6%	42,991	Reduced−19,685
Exzeo Group IncXZO	COM	30234F101	4.5	0.6%	268,704	Reduced−19,407
Mistras Group IncMG	COM	60649T107	4.5	0.6%	257,127	Reduced−11,440
SI Bone IncSIBN	COM	825704109	4.4	0.6%	271,404	Added+58,916
Concentra Group Holdings ParenCON	COM	20603L102	4.4	0.6%	148,836	Reduced−789
Interface IncTILE	COM	458665304	4.4	0.6%	123,401	New+123,401
Griffon CorpGFF	COM	398433102	4.4	0.6%	44,937	Reduced−2,139
Johnson Outdoors IncJOUT	COM	479167108	4.3	0.6%	94,176	Added+31,312
Daktronics IncDAKT	COM	234264109	4.2	0.6%	216,428	Added+34,342
Columbus McKinnon Corp N YCMCO	COM	199333105	4.2	0.6%	278,316	Added+66,609
Badger Meter IncBMI	COM	056525108	4.2	0.5%	28,041	Added+18,883
908 Devices IncMASS	COM	65443P102	4.1	0.5%	470,244	Reduced−20,977
Liquidity SVCS IncLQDT	COM	53635B107	4.0	0.5%	103,302	Reduced−4,702
Precigen IncPGEN	COM	74017N105	4.0	0.5%	706,294	New+706,294
Axsome Therapeutics Inc.AXSM	COM	05464T104	4.0	0.5%	16,244	Reduced−84
Amprius Technologies IncAMPX	COM	03214Q108	3.9	0.5%	284,595	Reduced−160,846
Globus Med IncGMED	COM	379577208	3.9	0.5%	49,677	Reduced−327
Lantronix IncLTRX	COM	516548203	3.9	0.5%	662,070	Added+319,581
Legacy Ed IncLGCY	COM	52474R207	3.9	0.5%	329,894	Added+186,455
Riskified Ltd	COM	M8216R109	3.9	0.5%	769,085	Reduced−33,947
Amerant Bancorp IncAMTB	COM	023576101	3.8	0.5%	150,236	Reduced−6,582
Sophia Genetics SA	COM	H82027105	3.8	0.5%	663,428	Reduced−29,381
Nuvation Bio IncNUVB	COM	67080N101	3.8	0.5%	671,041	New+671,041
Gentherm IncTHRM	COM	37253A103	3.7	0.5%	107,970	Reduced−5,168
Blacksky Technology IncBKSY	COM	09263B207	3.6	0.5%	130,281	Reduced−5,823
Arcutis Biotherapeutics IncARQT	COM	03969K108	3.6	0.5%	137,500	Reduced−6,434
Dollar Tree IncDLTR	COM	256746108	3.6	0.5%	29,455	Reduced−159
BGC Group IncBGC	COM	088929104	3.4	0.5%	321,484	Reduced−15,297
Octave Specialty Group IncOSG	COM	023139884	3.4	0.4%	539,289	Added+121,086
Forum Energy Technologies IncFET	COM	34984V209	3.3	0.4%	66,611	New+66,611
Information SVCS Group IncIII	COM	45675Y104	3.3	0.4%	808,345	Added+424,945
Neuropace IncNPCE	COM	641288105	3.3	0.4%	208,703	Reduced−9,035
Freightcar Amer IncRAIL	COM	357023100	3.3	0.4%	337,662	Reduced−14,681
Novanta IncNOVT	COM	67000B104	3.2	0.4%	19,811	Reduced−892
Crowdstrike Holdings IncCRWD	COM	22788C105	3.2	0.4%	4,169	New+4,169
Coda Octopus Group IncCODA	COM	19188U206	3.1	0.4%	322,278	Added+132,638
Baker Hughes CompanyBKR	COM	05722G100	3.0	0.4%	54,375	Reduced−307
Ibex Ltd	COM	G4690M101	3.0	0.4%	98,156	Added+40,398
Docebo IncDCBO	COM	25609L105	3.0	0.4%	165,095	Reduced−7,272
Evercore IncEVR	COM	29977A105	2.9	0.4%	8,573	Reduced−366
BRC Inc	COM	05601U105	2.9	0.4%	2,624,990	New+2,624,990
KVH Inds IncKVHI	COM	482738101	2.9	0.4%	293,132	New+293,132
Ishares TR	ETF	464287648	2.8	0.4%	7,212	Added+5,004
The Realreal IncREAL	COM	88339P101	2.7	0.4%	230,657	New+230,657
Stereotaxis IncSTXS	COM	85916J409	2.6	0.3%	1,521,966	Reduced−68,135
Guidewire Software IncGWRE	COM	40171V100	2.6	0.3%	21,047	Reduced−106
Everpure IncP	COM	74624M102	2.6	0.3%	32,385	New+32,385
Arlo Technologies IncARLO	COM	04206A101	2.5	0.3%	183,754	Reduced−8,750
Trimble IncTRMB	COM	896239100	2.5	0.3%	48,080	Added+7,116
Zeta Global Holdings CorpZETA	COM	98956A105	2.3	0.3%	117,698	Reduced−5,535
Paymentus Holdings IncPAY	COM	70439P108	2.2	0.3%	90,582	Reduced−4,260
Disney Walt CoDIS	COM	254687106	2.2	0.3%	22,666	Reduced−140
Blend Labs IncBLND	COM	09352U108	2.1	0.3%	1,254,746	Added+492,456
Expro Group Holdings NV	COM	N3144W105	2.1	0.3%	143,490	Reduced−6,825
Tonix Pharmaceuticals HLDG CoTNXP	COM	890260839	2.1	0.3%	165,144	New+165,144
Riverview Bancorp IncRVSB	COM	769397100	2.0	0.3%	373,534	Reduced−16,761
Intellicheck Mobilisa IncIDN	COM	45817G201	2.0	0.3%	488,164	Reduced−49,678
Tempus Ai IncTEM	COM	88023B103	2.0	0.3%	34,176	Reduced−179
Pegasystems IncPEGA	COM	705573103	2.0	0.3%	65,597	Reduced−8,848
Cheniere Energy IncLNG	COM	16411R208	1.9	0.3%	8,016	Reduced−97
Matador Res CoMTDR	COM	576485205	1.9	0.2%	37,782	Reduced−2,216
Macom Tech Solutions Holdings IncMTSI	COM	55405Y100	1.9	0.2%	4,919	Unchanged
On Semiconductor CorpON	COM	682189105	1.8	0.2%	19,369	Unchanged
Eyepoint IncEYPT	COM	30233G209	1.7	0.2%	121,684	Reduced−5,529
Curiositystream IncCURI	COM	23130Q107	1.6	0.2%	595,057	Reduced−25,822
Carrier Global CorporationCARR	COM	14448C104	1.5	0.2%	20,458	Unchanged
ACM Resh IncACMR	COM	00108J109	1.5	0.2%	11,770	Unchanged
Freightos Ltd	COM	G51405101	1.5	0.2%	955,286	Reduced−42,422
Alfen NV	COM	178983253	1.4	0.2%	80,514	Added+34,443
Cognex CorpCGNX	COM	192422103	1.4	0.2%	19,669	Reduced−10,396
Xylem IncXYL	COM	98419M100	1.2	0.2%	10,462	Reduced−1
Nextpower IncNXT	COM	65290E101	1.2	0.2%	10,250	Unchanged
Identiv IncINVE	COM	45170X205	1.2	0.2%	484,438	Reduced−252,170
Ambiq Micro IncAMBQ	COM	023193105	1.2	0.2%	13,679	Reduced−5,537
Quanta SVCS IncPWR	COM	74762E102	1.1	0.1%	1,575	Unchanged
Yaskawa Elec Corp	COM	001230212	1.1	0.1%	26,089	Reduced−506
Lindsay CorpLNN	COM	535555106	1.1	0.1%	9,004	Added+3,077
Upwork IncUPWK	COM	91688F104	1.1	0.1%	131,938	Reduced−6,266
Corteva IncCTVA	COM	22052L104	1.1	0.1%	12,733	Reduced−5,935
Paychex IncPAYX	COM	704326107	1.1	0.1%	10,934	Unchanged
Solv Energy IncMWH	COM	78475V103	1.0	0.1%	30,436	Added+12,628
Rivian Automotive IncRIVN	COM	76954A103	1.0	0.1%	56,567	Unchanged
Aeva Technologies IncAEVA	COM	00835Q202	1.0	0.1%	34,028	Reduced−24,246
Shoals Technologies Group IncSHLS	COM	82489W107	0.9	0.1%	93,670	Unchanged
Jpmorgan Chase & CoJPM	COM	46625H100	0.9	0.1%	2,721	Unchanged
Enphase Energy IncENPH	COM	29355A107	0.9	0.1%	17,724	Reduced−17,716
Valmont Inds IncVMI	COM	920253101	0.9	0.1%	1,510	Reduced−1,284
Amtech Sys IncASYS	COM	032332504	0.9	0.1%	37,761	Reduced−55
Nextera Energy IncNEE	COM	65339F101	0.9	0.1%	9,923	Unchanged
Samsara IncIOT	COM	79589L106	0.9	0.1%	26,735	Reduced−6,429
Gallagher Arthur J & CoAJG	COM	363576109	0.9	0.1%	3,746	Unchanged
Procter & Gamble CoPG	COM	742718109	0.9	0.1%	5,856	Reduced−9
Coca Cola CoKO	COM	191216100	0.9	0.1%	10,557	Reduced−6
Contemporary Amperex Techno	COM	Y1R48E113	0.9	0.1%	9,539	New+9,539
Barrick MNG CorpB	COM	06849F108	0.8	0.1%	22,955	Reduced−20
Valero Energy CorpVLO	COM	91913Y100	0.8	0.1%	3,138	Unchanged
MP Materials CorpMP	COM	553368101	0.8	0.1%	13,906	New+13,906
Martin Marietta Matls IncMLM	COM	573284106	0.8	0.1%	1,333	Unchanged
Edap TMS S aFOCL	COM	268311107	0.8	<0.1%	146,005	New+146,005
Electrovaya IncELVA	COM	28617B606	0.8	<0.1%	71,791	New+71,791
Air Products and Chemicals IncAPD	COM	009158106	0.8	<0.1%	2,564	Reduced−3
Eton Pharmaceuticals IncETON	COM	29772L108	0.7	<0.1%	20,131	Reduced−51
Solaredge Technologies IncSEDG	COM	83417M104	0.7	<0.1%	12,033	New+12,033
Colgate Palmolive CoCL	COM	194162103	0.6	<0.1%	6,931	Unchanged
Axcelis Technologies IncACLS	COM	054540208	0.6	<0.1%	3,350	Unchanged
Sitime CorpSITM	COM	82982T106	0.6	<0.1%	850	Unchanged
Veralto CorpVLTO	COM	92338C103	0.6	<0.1%	7,103	Reduced−2,049
Rapid Micro Biosystems IncRPID	COM	75340L104	0.6	<0.1%	362,696	Reduced−521,235
Franco Nev CorpFNV	COM	351858105	0.6	<0.1%	2,991	Reduced−4
Emcor Group IncEME	COM	29084Q100	0.6	<0.1%	734	Unchanged
Johnson & JohnsonJNJ	COM	478160104	0.6	<0.1%	2,382	Reduced−2
Marsh & McLennan Cos IncMRSH	COM	571748102	0.6	<0.1%	3,530	Unchanged
Medtronic plc	COM	G5960L103	0.6	<0.1%	7,401	Reduced−3
Cameco CorpCCJ	COM	13321L108	0.6	<0.1%	5,630	New+5,630
Wheaton Precious Metals CorpWPM	COM	962879102	0.6	<0.1%	4,906	Unchanged
Energy Services of Amer CorpESOA	COM	29271Q103	0.5	<0.1%	26,053	Reduced−35
Camtek Ltd	COM	M20791105	0.5	<0.1%	2,943	Unchanged
One Stop Sys IncOSS	COM	68247W109	0.5	<0.1%	25,674	Reduced−9,860
IntuitINTU	COM	461202103	0.5	<0.1%	1,767	Reduced−448
Broadwind IncBWEN	COM	11161T207	0.5	<0.1%	94,671	Reduced−117
Vanguard Index FDS	ETF	922908769	0.4	<0.1%	1,206	Unchanged
Snap on IncSNA	COM	833034101	0.4	<0.1%	1,087	Reduced−38
Amplitech Group IncAMPG	COM	03211Q200	0.4	<0.1%	60,526	Reduced−27,314
Pepsico IncPEP	COM	713448108	0.4	<0.1%	3,100	Reduced−6
American Express CoAXP	COM	025816109	0.4	<0.1%	1,219	Unchanged
RF Inds LtdRFIL	COM	749552105	0.4	<0.1%	17,864	Reduced−31
Newmont CorpNEM	COM	651639106	0.4	<0.1%	4,043	Reduced−10
EOS Energy Enterprises IncEOSE	COM	29415C101	0.4	<0.1%	60,425	New+60,425
GE AerospaceGE	COM	369604301	0.4	<0.1%	950	Reduced−84
Strattec Sec CorpSTRT	COM	863111100	0.3	<0.1%	4,199	Reduced−8
Grand Canyon Ed IncLOPE	COM	38526M106	0.3	<0.1%	2,300	Unchanged
Equinor ASAEQNR	ADR	29446M102	0.3	<0.1%	10,457	Unchanged
Optex Sys Holdings IncOPXS	COM	68384X209	0.3	<0.1%	23,090	Reduced−36
Richardson Electrs LtdRELL	COM	763165107	0.3	<0.1%	16,018	Reduced−74
Lensar IncLNSR	COM	52634L108	0.3	<0.1%	53,258	Added+23,224
Novartis AGNVS	ADR	66987V109	0.3	<0.1%	1,875	Unchanged
Data I O CorpDAIO	COM	237690102	0.3	<0.1%	74,558	Reduced−83
Vince HLDG CorpVNCE	COM	92719W207	0.3	<0.1%	40,722	Reduced−59
Archer Daniels Midland CoADM	COM	039483102	0.3	<0.1%	3,670	Reduced−6
Verizon Communications IncVZ	COM	92343V104	0.3	<0.1%	6,530	Reduced−16
Commercial Veh Group IncCVGI	COM	202608105	0.3	<0.1%	59,730	Reduced−104
Trio Tech InternationalTRT	COM	896712205	0.3	<0.1%	22,115	Reduced−9,359
Duke Energy Corp NewDUK	COM	26441C204	0.3	<0.1%	2,096	Reduced−9
Optical Cable CorpOCC	COM	683827208	0.3	<0.1%	12,629	New+12,629
Perma-Pipe International Holdings IncPPIH	COM	714167103	0.3	<0.1%	9,516	Reduced−10
Transact Technologies IncTACT	COM	892918103	0.3	<0.1%	43,161	Reduced−172
Tesla IncTSLA	COM	88160R101	0.2	<0.1%	573	Unchanged
Orion Energy Sys IncOESX	COM	686275207	0.2	<0.1%	20,608	Added+8,051
Precision Optics Corp Inc MassPOCI	COM	740294400	0.2	<0.1%	46,630	New+46,630
GSI Technology IncGSIT	COM	36241U106	0.2	<0.1%	30,410	Reduced−44
Duos Technologies Group IncDUOT	COM	266042407	0.2	<0.1%	19,083	Reduced−55
Southern CoSO	COM	842587107	0.2	<0.1%	2,353	Reduced−14
Alarum Technologies LtdALAR	COM	78643B500	0.2	<0.1%	27,747	New+27,747
Matson IncMATX	COM	57686G105	0.2	<0.1%	1,052	Unchanged
Nova Ltd	COM	M7516K103	0.2	<0.1%	359	Unchanged
Alpha Pro Tech LtdAPT	COM	020772109	0.2	<0.1%	34,264	Reduced−111
Fatpipe Inc UtFATN	COM	311921100	0.2	<0.1%	29,053	New+29,053
Micron Technology IncMU	COM	595112103	0.2	<0.1%	153	Unchanged
Flexible Solutions International IncFSI	COM	33938T104	0.2	<0.1%	26,180	Reduced−72
Netsol Technologies IncNTWK	COM	64115A402	0.2	<0.1%	37,424	Reduced−69
Applied Indl Technologies IncAIT	COM	03820C105	0.2	<0.1%	505	Unchanged
Fuel Tech IncFTEK	COM	359523107	0.2	<0.1%	77,159	Reduced−91
Exxon Mobil Corp	COM	30231G102	0.2	<0.1%	1,245	Unchanged
Costco Wholesale CorporationCOST	COM	22160K105	0.2	<0.1%	180	Unchanged
Harvard Bioscience IncHBIO	COM	416906204	0.2	<0.1%	26,973	Reduced−48
Monolithic PWR Sys IncMPWR	COM	609839105	0.2	<0.1%	120	Unchanged
Liveone IncLVO	COM	53814X300	0.2	<0.1%	24,494	Reduced−41
Automatic Data Processing IncADP	COM	053015103	0.2	<0.1%	677	Reduced−4
Oracle CorpORCL	COM	68389X105	0.1	<0.1%	1,000	Unchanged
Abbott LaboratoriesABT	COM	002824100	0.1	<0.1%	1,607	Reduced−9
Merck & Co IncMRK	COM	58933Y105	0.1	<0.1%	1,132	Unchanged
Nephros IncNEPH	COM	640671400	0.1	<0.1%	38,927	Reduced−57
Neuroone Med Technologies CorpNMTC	COM	64130M308	0.1	<0.1%	43,578	New+43,578
Amkor Technology IncAMKR	COM	031652100	0.1	<0.1%	1,526	Unchanged
Genasys IncGNSS	COM	36872P103	0.1	<0.1%	72,711	Reduced−196
CPS Technologies CorpCPSH	COM	12619F104	0.1	<0.1%	21,524	Reduced−52,590
Alphabet IncGOOGL	COM	02079K107	0.1	<0.1%	320	Unchanged
Champions Oncology IncCSBR	COM	15870P307	0.1	<0.1%	18,221	Reduced−28
Waste MGMT Inc DelWM	COM	94106L109	0.1	<0.1%	494	Unchanged
DTE Energy CoDTE	COM	233331107	0.1	<0.1%	699	Reduced−10
Cincinnati Finl CorpCINF	COM	172062101	0.1	<0.1%	549	Unchanged
Nvent Elec plc	COM	G6700G107	0.1	<0.1%	508	Reduced−334
WabtecWAB	COM	929740108	0.1	<0.1%	306	Unchanged
Freeport McMoran IncFCX	COM	35671D857	0.1	<0.1%	1,297	Unchanged
Morgan StanleyMS	COM	617446448	0.1	<0.1%	363	Unchanged
Amneal Pharmaceuticals IncAMRX	COM	03168L105	0.1	<0.1%	4,295	Unchanged
Philip Morris International IncPM	COM	718172109	0.1	<0.1%	402	Unchanged
RIO Tinto plcRIO	ADR	767204100	0.1	<0.1%	713	Unchanged
Royal Gold IncRGLD	COM	780287108	0.1	<0.1%	338	Unchanged
Bristol-Myers Squibb CoBMY	COM	110122108	0.1	<0.1%	1,120	Unchanged
Kinross Gold CorpKGC	COM	496902404	0.1	<0.1%	2,661	Unchanged
Qnity Electronics IncQ	COM	74743L100	0.1	<0.1%	357	Unchanged
Clean Harbors IncCLH	COM	184496107	0.1	<0.1%	193	Unchanged
Glaukos CorpGKOS	COM	377322102	0.1	<0.1%	407	Reduced−204
Excelerate Energy IncEE	COM	30069T101	0.1	<0.1%	1,475	Unchanged
Gates Indl Corp plc	COM	G39108108	0.1	<0.1%	1,996	Unchanged
Ocean PWR Technologies Inc	COM	674870506	0.1	<0.1%	204,864	Reduced−329
Flowserve CorpFLS	COM	34354P105	0.1	<0.1%	697	Unchanged
DT Midstream IncDTM	COM	23345M107	0.1	<0.1%	350	Reduced−5
WEC Energy Group IncWEC	COM	92939U106	0.1	<0.1%	430	Unchanged
Acuity IncAYI	COM	00508Y102	0.0	<0.1%	131	Unchanged
Arcosa IncACA	COM	039653100	0.0	<0.1%	331	Unchanged
Infineon Technologies AGIFNNY	ADR	45662N103	0.0	<0.1%	511	Reduced−96
Q2 Holdings IncQTWO	COM	74736L109	0.0	<0.1%	974	Unchanged
Teradyne IncTER	COM	880770102	0.0	<0.1%	94	Reduced−51
Dana IncDAN	COM	235825205	0.0	<0.1%	1,665	Unchanged
Remitly Global IncRELY	COM	75960P104	0.0	<0.1%	2,016	Unchanged
PPL CorpPPL	COM	69351T106	0.0	<0.1%	1,238	Unchanged
United Parcel SVCS IncUPS	COM	911312106	0.0	<0.1%	404	Unchanged
Williams Cos IncWMB	COM	969457100	0.0	<0.1%	573	Unchanged
Ishares Silver TRSLV	ETF	46428Q109	0.0	<0.1%	771	Unchanged
Range Res CorpRRC	COM	75281A109	0.0	<0.1%	1,091	Unchanged
Virtra IncVTSI	COM	92827K301	0.0	<0.1%	12,797	Reduced−59
Senestech IncSNES	COM	81720R604	0.0	<0.1%	26,203	Reduced−91
Berkshire Hathaway Inc DelBRK-B	COM	084670702	0.0	<0.1%	76	Unchanged
Atmus Filtration TechnologiesATMU	COM	04956D107	0.0	<0.1%	713	Unchanged
SempraSRE	COM	816851109	0.0	<0.1%	390	Unchanged
Workiva IncWK	COM	98139A105	0.0	<0.1%	728	Reduced−35,605
Rockwell Automation IncROK	COM	773903109	0.0	<0.1%	70	Unchanged
Avient CorporationAVNT	COM	05368V106	0.0	<0.1%	915	Unchanged
Dupont de Nemours IncDD	COM	26614N201	0.0	<0.1%	238	New+238
Visa IncV	COM	92826C839	0.0	<0.1%	92	Unchanged
Itron IncITRI	COM	465741106	0.0	<0.1%	362	Unchanged
Amphenol CorpAPH	COM	032095101	0.0	<0.1%	168	Unchanged
Alkami Technology IncALKT	COM	01644J108	0.0	<0.1%	1,567	Unchanged
Eaton Corp plc	COM	G29183103	0.0	<0.1%	66	Unchanged
Ecolab IncECL	COM	278865100	0.0	<0.1%	97	Added+14
Constellation Brands IncSTZ	COM	21036P108	0.0	<0.1%	178	Unchanged
Five Below IncFIVE	COM	33829M101	0.0	<0.1%	137	Unchanged
BP plcBP	ADR	055622104	0.0	<0.1%	662	Unchanged
Helmerich & Payne IncHP	COM	423452101	0.0	<0.1%	733	Unchanged
SLB LimitedSLB	COM	806857108	0.0	<0.1%	514	Unchanged
Regal Rexnord CorporationRRX	COM	758750103	0.0	<0.1%	100	Unchanged
Genpact Limited	COM	G3922B107	0.0	<0.1%	823	Unchanged
People IncPPLI	COM	44891N208	0.0	<0.1%	486	Unchanged
Alphabet IncGOOGL	COM	02079K305	0.0	<0.1%	62	Unchanged
Tripadvisor IncTRIP	COM	896945201	0.0	<0.1%	1,523	Unchanged
Contemporary Amperex TechnoCYATY	COM	210919106	0.0	<0.1%	722	Unchanged
Vaneck ETF Trust	ETF	92189F791	0.0	<0.1%	156	Unchanged
Fedex CorpFDX	COM	31428X106	0.0	<0.1%	45	Unchanged
Union Pac CorpUNP	COM	907818108	0.0	<0.1%	35	Unchanged
Sanofi SASNY	ADR	80105N105	0.0	<0.1%	200	Unchanged
Sandoz Group AG	COM	799926100	0.0	<0.1%	47	Unchanged
Fedex FGHT HLDG Co IncFDXF	COM	314352105	0.0	<0.1%	22	New+22
Watts Water Technologies IncWTS	COM	942749102	0.0	<0.1%	5	Unchanged
Lyondellbasell Industries NV	COM	N53745100	0.0	<0.1%	25	Unchanged
Organon & CoOGN	COM	68622V106	0.0	<0.1%	11	Unchanged

Sold out: 26 positions

Held at the end of the quarter before and not reported this quarter.

ESSEX INVESTMENT MANAGEMENT CO LLC, positions sold out
Issuer	Class	CUSIP	Weight	Change on the quarter before
Agios Pharmaceuticals IncAGIO	COM	00847X104	0.0%	Sold out−103,177
Allot Ltd	COM	M0854Q105	0.0%	Sold out−226,056
Angi IncANGI	COM	00183L201	0.0%	Sold out−984
Aware Inc MassAWRE	COM	05453N100	0.0%	Sold out−43,105
Bioventus IncBVS	COM	09075A108	0.0%	Sold out−603,258
BYD Co Ltd	ADR	05606L100	0.0%	Sold out−20,199
Carecloud IncCCLD	COM	14167R100	0.0%	Sold out−697,836
CS Disco IncLAW	COM	126327105	0.0%	Sold out−539,314
Dupont de Nemours Inc	COM	26614N102	0.0%	Sold out−715
Energy Recovery IncERII	COM	29270J100	0.0%	Sold out−132,322
Everquote IncEVER	COM	30041R108	0.0%	Sold out−217,075
Extreme Networks IncEXTR	COM	30226D106	0.0%	Sold out−158,032
Fluence Energy IncFLNC	COM	34379V103	0.0%	Sold out−25,576
Gencor Inds IncGENC	COM	368678108	0.0%	Sold out−129,563
Geospace Technologies CorpGEOS	COM	37364X109	0.0%	Sold out−13,636
Globalstar IncGSAT	COM	378973507	0.0%	Sold out−165,665
Infusystem Holdings IncINFU	COM	45685K102	0.0%	Sold out−299,332
Inspiremd IncNSPR	COM	45779A846	0.0%	Sold out−114,085
Neuroone Med Technologies Corp	COM	64130M209	0.0%	Sold out−261,953
Onterris IncONT	COM	615111101	0.0%	Sold out−111,473
Primoris SVCS CorpPRIM	COM	74164F103	0.0%	Sold out−48,177
Salesforce IncCRM	COM	79466L302	0.0%	Sold out−17,854
Syndax Pharmaceuticals IncSNDX	COM	87164F105	0.0%	Sold out−198,985
Trane Technologies plc	COM	G8994E103	0.0%	Sold out−33
Varex Imaging CorpVREX	COM	92214X106	0.0%	Sold out−279,551
Zscaler IncZS	COM	98980G102	0.0%	Sold out−11,412

Source: SEC EDGAR, Form 13F-HR, accession 0000201772-26-000005 (on sec.gov). Last ingested by Listed: Oct 22, 2026, 05:26 ET. Listed shows no prices and gives no investment advice.