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Essex Investment Management Co LLC

Q1 2026 Holdings

Filed 2026-05-11 | 305 holdings | $631.7M | 13F-HR | View on SEC ↗ · Holdings Table ↗

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IssuerClassCUSIPValue ↓Shares% Portfolio
Tower Semiconductor LTD(TSEM)COMM87915274$20.3M115,9333.2%
Lincoln EDL Svcs Corp(LINC)COM533535100$14.5M355,3042.3%
Sterling Infrastructure Inc(STRL)COM859241101$13.1M32,0572.1%
Kiniksa Pharmaceuticals Intl P(KNSA)COMG52694109$12.0M249,2781.9%
Ligand Pharmaceuticals Inc(LGND)COM53220K504$11.7M58,4601.8%
Leonardo DRS Inc(DRS)COM52661A108$11.6M261,4541.8%
Kratos Defense & SEC Solutions(KTOS)COM50077B207$11.2M158,8441.8%
Globalstar Inc(GSAT)COM378973507$11.0M165,6651.7%
Insmed Inc(INSM)COM457669307$10.2M62,6761.6%
Graham Corp(GHM)COM384556106$10.1M128,2941.6%
Mirum Pharmaceuticals Inc(MIRM)COM604749101$10.0M108,3381.6%
Ceco Environmental Corp(CECO)COM125141101$9.4M157,2461.5%
HCI Group Inc(HCI)COM40416E103$8.9M57,6341.4%
Argan Inc(AGX)COM04010E109$8.8M16,0981.4%
Apple Inc(AAPL)COM037833100$8.3M32,5801.3%
Brainsway LTD(BWAY)ADR10501L106$8.2M618,5531.3%
Agnico Eagle Mines LTD(AEM)COM008474108$7.8M38,6431.2%
American Superconductor Corp(AMSC)COM030111207$7.7M227,5581.2%
Amprius Technologies Inc(AMPX)COM03214Q108$7.5M445,4411.2%
GE Vernova Inc(GEV)COM36828A101$7.3M8,3191.1%
Primoris Svcs Corp(PRIM)COM74164F103$6.9M48,1771.1%
Adaptive Biotechnologies Corp(ADPT)COM00650F109$6.8M493,4031.1%
Tetra Technologies Inc del(TTI)COM88162F105$6.6M774,0991.0%
Goldman Sachs Group Inc(GS)COM38141G104$6.4M7,5561.0%
Willdan Group Inc(WLDN)COM96924N100$6.0M78,2920.9%
Cohu Inc(COHU)COM192576106$5.9M191,8850.9%
Microsoft Corp(MSFT)COM594918104$5.8M15,7910.9%
Mirion Technologies Inc(MIR)COM60471A101$5.7M309,1100.9%
Amazon COM Inc(AMZN)COM023135106$5.7M27,2080.9%
Oceaneering Intl Inc(OII)COM675232102$5.6M158,3740.9%
Advanced Drain SYS Inc del(WMS)COM00790R104$5.6M40,5690.9%
Bioventus Inc(BVS)COM09075A108$5.5M603,2580.9%
Mamas Creations Inc(MAMA)COM56146T103$5.2M341,6570.8%
BWX Technologies Inc(BWXT)COM05605H100$5.2M25,5550.8%
Patrick Inds Inc(PATK)COM703343103$5.1M46,2280.8%
LSI Inds Inc Ohio(LYTS)COM50216C108$5.1M274,0820.8%
Orion Group Hldgs Inc(ORN)COM68628V308$5.0M461,7720.8%
Novocure LTD(NVCR)COMG6674U108$4.9M452,3700.8%
Travere Therapeutics Inc(TVTX)COM89422G107$4.8M161,7050.8%
Arteris Inc(AIP)COM04302A104$4.8M290,3190.8%
Avepoint Inc(AVPT)COM053604104$4.7M498,4820.8%
Asml Hldg NV(ASML)ADRN07059210$4.7M3,5560.7%
Syndax Pharmaceuticals Inc(SNDX)COM87164F105$4.6M198,9850.7%
Crexendo Inc(CXDO)COM226552107$4.6M742,9860.7%
Everus Constr Group(ECG)COM300426103$4.5M38,0980.7%
Xeris Biopharma Holdings Inc(XERS)COM98422E103$4.3M747,7690.7%
Globus MED Inc(GMED)COM379577208$4.3M50,0040.7%
Ambarella Inc(AMBA)COMG037AX101$4.2M82,3870.7%
Exzeo Group Inc(XZO)COM30234F101$4.2M288,1110.7%
Frequency Electrs Inc(FEIM)COM358010106$4.1M93,0260.7%
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