Essex Investment Management Co LLC Top Holdings and 13F Report (2025) About Essex Investment Management Co LLCInvestment ActivityEssex Investment Management Co LLC has $556.15 million in total holdings as of December 31, 2024.Essex Investment Management Co LLC owns shares of 307 different stocks, but just 100 companies or ETFs make up 80% of its holdings.Approximately 7.46% of the portfolio was purchased this quarter.About 15.92% of the portfolio was sold this quarter.This quarter, Essex Investment Management Co LLC has purchased 302 new stocks and bought additional shares in 39 stocks.Essex Investment Management Co LLC sold shares of 170 stocks and completely divested from 15 stocks this quarter.Largest Holdings Primoris Services $11,182,744American Superconductor $10,587,846Apple $10,427,489Kratos Defense & Security Solutions $9,710,689HCI Group $9,594,498 Largest New Holdings this Quarter Grid Dynamics $3,106,394 HoldingQuidelOrtho $2,842,156 HoldingRADCOM $2,832,084 HoldingExtreme Networks $2,599,069 HoldingForward Air $2,487,346 Holding Largest Purchases this Quarter IDEX 23,819 shares (about $4.99M)Grid Dynamics 139,676 shares (about $3.11M)QuidelOrtho 63,797 shares (about $2.84M)RADCOM 229,133 shares (about $2.83M)Extreme Networks 155,261 shares (about $2.60M) Largest Sales this Quarter Leonardo DRS 117,435 shares (about $3.79M)Xylem 26,003 shares (about $3.02M)ZETA GLOBAL HOLDINGS CORP 150,455 shares (about $2.71M)PROCEPT BioRobotics 29,267 shares (about $2.36M)Graham 49,537 shares (about $2.20M) Sector Allocation Over TimeMap of 500 Largest Holdings ofEssex Investment Management Co LLC Selling Neutral Buying Latest 13F Holdings and Changes Since Previous Quarterly FilingIssuer NameHoldings ValueApproximate Purchase/SaleChange in SharesShares Held% of PortfolioSectorPRIMPrimoris Services$11,182,744$204,141 ▼-1.8%146,3712.0%ConstructionAMSCAmerican Superconductor$10,587,846$852,937 ▼-7.5%429,8761.9%Computer and TechnologyAAPLApple$10,427,489$148,749 ▼-1.4%41,6401.9%Computer and TechnologyKTOSKratos Defense & Security Solutions$9,710,689$908,079 ▼-8.6%368,1081.7%AerospaceHCIHCI Group$9,594,498$727,613 ▼-7.0%82,3351.7%FinanceTSEMTower Semiconductor$9,446,522$196,408 ▲2.1%183,3921.7%Computer and TechnologyAVPTAvePoint$9,010,250$772,107 ▼-7.9%545,7451.6%Computer and TechnologyMSFTMicrosoft$8,693,859$210,750 ▼-2.4%20,6261.6%Computer and TechnologyNEENextEra Energy$8,473,113$508,282 ▲6.4%118,1911.5%UtilitiesDRSLeonardo DRS$8,329,744$3,794,325 ▼-31.3%257,8071.5%AerospaceCRMSalesforce$7,355,260$151,117 ▼-2.0%22,0001.3%Computer and TechnologyAMZNAmazon.com$7,347,371$116,715 ▼-1.6%33,4901.3%Retail/WholesaleGWREGuidewire Software$7,331,038$299,567 ▼-3.9%43,4871.3%Computer and TechnologyLGNDLigand Pharmaceuticals$6,991,216$417,992 ▼-5.6%65,2471.3%MedicalAMBAAmbarella$6,584,570$370,829 ▲6.0%90,5221.2%Computer and TechnologySTRLSterling Infrastructure$6,347,701$1,228,337 ▼-16.2%37,6831.1%ConstructionLINCLincoln Educational Services$6,322,305$697,646 ▼-9.9%399,6401.1%Consumer DiscretionaryCLPTClearPoint Neuro$6,287,682$846,377 ▼-11.9%408,8221.1%MedicalGHMGraham$6,257,641$2,202,911 ▼-26.0%140,7161.1%Industrial ProductsGSThe Goldman Sachs Group$5,618,084$187,250 ▲3.4%9,8111.0%FinanceSTKLSunOpta$5,607,995$638,153 ▼-10.2%728,3111.0%Consumer StaplesGNRCGenerac$5,381,630$35,817 ▼-0.7%34,7091.0%Industrial ProductsMIRMirion Technologies$5,309,250$824,041 ▼-13.4%304,2551.0%Business ServicesGMEDGlobus Medical$5,288,891$168,811 ▼-3.1%63,9451.0%MedicalWLDNWilldan Group$5,256,687$676,250 ▼-11.4%138,0070.9%Business ServicesLYTSLSI Industries$5,241,672$708,558 ▼-11.9%269,9110.9%ConstructionCRNTCeragon Networks$5,149,137$693,658 ▼-11.9%1,102,5990.9%Computer and TechnologyMYOMyomo$5,111,409$679,021 ▼-11.7%793,6970.9%MedicalIEXIDEX$5,002,659$4,985,079 ▲28,356.0%23,9030.9%Industrial ProductsAGXArgan$5,000,590$1,793,580 ▼-26.4%36,4900.9%ConstructionPAYPaymentus$4,829,149$2,037,563 ▼-29.7%147,8160.9%Business ServicesITCIIntra-Cellular Therapies$4,753,541$122,774 ▼-2.5%56,9150.9%MedicalCECOCECO Environmental$4,687,041$1,613,678 ▼-25.6%155,0460.8%Industrial ProductsINSMInsmed$4,648,463$680,941 ▼-12.8%67,3300.8%MedicalTARSTarsus Pharmaceuticals$4,416,311$1,627,656 ▼-26.9%79,7600.8%MedicalPEGAPegasystems$4,276,109$912,428 ▲27.1%45,8810.8%Computer and TechnologyBPBP$4,209,919$248,187 ▼-5.6%142,4190.8%Oils/EnergyPRCTPROCEPT BioRobotics$4,164,897$2,356,579 ▼-36.1%51,7250.7%MedicalOSPNOneSpan$4,145,766$601,011 ▼-12.7%223,6120.7%Computer and TechnologyTRNSTranscat$4,048,679$545,090 ▼-11.9%38,2890.7%Computer and TechnologyPATKPatrick Industries$4,023,716$1,029,274 ▲34.4%48,4320.7%ConstructionBPMCBlueprint Medicines$3,989,094$896,186 ▲29.0%45,7360.7%MedicalCXDOCrexendo$3,831,869$502,540 ▼-11.6%732,6710.7%Computer and TechnologyRVLVRevolve Group$3,829,916$572,779 ▼-13.0%114,3600.7%Consumer DiscretionaryGE VERNOVA INC$3,814,601$6,908 ▲0.2%11,5970.7%COMSMWBSimilarweb$3,752,499$574,296 ▼-13.3%264,8200.7%Computer and TechnologyADPTAdaptive Biotechnologies$3,751,899$556,444 ▼-12.9%625,8380.7%MedicalUVEUniversal Insurance$3,749,480$497,037 ▼-11.7%178,0380.7%FinanceNVCRNovoCure$3,630,415$1,195,308 ▼-24.8%121,8260.7%MedicalEVEREverQuote$3,614,552$717,161 ▼-16.6%180,8180.6%FinanceAEMAgnico Eagle Mines$3,553,974$77,898 ▼-2.1%45,4410.6%Basic MaterialsHEARTurtle Beach$3,547,875$459,425 ▼-11.5%204,9610.6%Computer and TechnologyTILEInterface$3,498,511$493,842 ▼-12.4%143,6760.6%Consumer DiscretionaryDISWalt Disney$3,475,345$71,821 ▼-2.0%31,2110.6%Consumer DiscretionaryLQDTLiquidity Services$3,438,562$455,192 ▼-11.7%106,4900.6%Business ServicesKINIKSA PHARMACEUTICALS INTL P$3,437,744$528,462 ▼-13.3%173,7990.6%COMMRCMRC Global$3,431,251$405,241 ▼-10.6%268,4860.6%Industrial ProductsGLDDGreat Lakes Dredge & Dock$3,421,435$502,033 ▼-12.8%303,0500.6%ConstructionBMIBadger Meter$3,367,829$197,272 ▲6.2%15,8770.6%Computer and TechnologyOUSTOuster$3,365,791$1,346,412 ▲66.7%275,4330.6%Computer and TechnologyPFEPfizer$3,364,269$641,548 ▼-16.0%126,8100.6%MedicalNUTEX HEALTH INC$3,353,087$1,046,530 ▲45.4%105,8090.6%COMRCELAVITA Medical$3,342,989$384,986 ▲13.0%261,1710.6%MedicalOCULOcular Therapeutix$3,307,098$481,904 ▼-12.7%387,2480.6%MedicalGFFGriffon$3,302,367$465,037 ▼-12.3%46,3360.6%Multi-Sector ConglomeratesFTDRFrontdoor$3,235,043$472,896 ▼-12.8%59,1740.6%ConstructionERIIEnergy Recovery$3,224,166$265,997 ▼-7.6%219,3310.6%Industrial ProductsDCBODocebo$3,163,403$470,846 ▼-13.0%70,6590.6%Computer and TechnologyNOVTNovanta$3,118,188$453,421 ▼-12.7%20,4110.6%Computer and TechnologyGDYNGrid Dynamics$3,106,394$3,106,394 ▲New Holding139,6760.6%Computer and TechnologyXOMExxon Mobil$3,040,789$21,299 ▼-0.7%28,2680.5%Oils/EnergyOLOOLO$3,021,274$440,625 ▼-12.7%393,3950.5%Computer and TechnologyBGCGeneral Cable$3,003,689$167,139 ▲5.9%331,5330.5%FinanceCGNTCognyte Software$2,988,748$379,588 ▼-11.3%345,5200.5%Computer and TechnologyEVREvercore$2,971,754$467,342 ▼-13.6%10,7210.5%FinanceASPNAspen Aerogels$2,949,127$385,815 ▲15.1%248,2430.5%ConstructionSIBNSI-BONE$2,918,403$569,717 ▲24.3%208,1600.5%MedicalAIPArteris$2,916,796$387,730 ▼-11.7%286,2410.5%Computer and TechnologyBWAYBrainsWay$2,880,356$399,030 ▼-12.2%305,4460.5%MedicalCVLGCovenant Logistics Group$2,871,260$432,264 ▼-13.1%52,6740.5%TransportationQDELQuidelOrtho$2,842,156$2,842,156 ▲New Holding63,7970.5%MedicalRDCMRADCOM$2,832,084$2,832,084 ▲New Holding229,1330.5%Computer and TechnologyVMIValmont Industries$2,808,791$276,310 ▲10.9%9,1590.5%Industrial ProductsZETA GLOBAL HOLDINGS CORP$2,803,742$2,706,686 ▼-49.1%155,8500.5%COMSTXSStereotaxis$2,765,558$449,536 ▼-14.0%1,212,9640.5%MedicalTHCTenet Healthcare$2,760,271$2,085,446 ▼-43.0%21,8670.5%MedicalTTITETRA Technologies$2,726,718$405,138 ▼-12.9%761,6530.5%Oils/EnergyACVAACV Auctions$2,701,404$395,345 ▼-12.8%125,0650.5%Retail/WholesalePAYXPaychex$2,673,014$12,620 ▼-0.5%19,0630.5%Business ServicesNVRIEnviri$2,663,238$331,062 ▼-11.1%345,8750.5%Business ServicesMDWDMediWound$2,651,292$623,214 ▲30.7%148,9490.5%MedicalXYLXylem$2,647,702$3,016,879 ▼-53.3%22,8210.5%Business ServicesINTUIntuit$2,632,7870.0%4,1890.5%Computer and TechnologyDAWNDay One Biopharmaceuticals$2,629,963$295,769 ▲12.7%207,5740.5%MedicalBWXTBWX Technologies$2,619,002$109,162 ▼-4.0%23,5120.5%Computer and TechnologyAMSWAAmerican Software$2,604,132$346,416 ▼-11.7%235,0300.5%Computer and TechnologyEXTRExtreme Networks$2,599,069$2,599,069 ▲New Holding155,2610.5%Computer and TechnologyPHRPhreesia$2,584,888$380,193 ▼-12.8%102,7380.5%MedicalZSZscaler$2,559,477$981,791 ▼-27.7%14,1870.5%Computer and TechnologySEMSelect Medical$2,522,488$68,425 ▼-2.6%133,8190.5%MedicalShowing largest 100 holdings. View all holdings. More Institutional Buying and Selling Information SEC Filings and Trading Data SEC Filings 13F Filings Top 13F Buys Top 13F Sells Get 30 Days of MarketBeat All Access for Free Sign up for MarketBeat All Access to gain access to MarketBeat's full suite of research tools. Start Your 30-Day Trial MarketBeat All Access Features Best-in-Class Portfolio Monitoring Get personalized stock ideas. Compare portfolio to indices. Check stock news, ratings, SEC filings, and more. Stock Ideas and Recommendations See daily stock ideas from top analysts. Receive short-term trading ideas from MarketBeat. Identify trending stocks on social media. Advanced Stock Screeners and Research Tools Use our seven stock screeners to find suitable stocks. Stay informed with MarketBeat's real-time news. Export data to Excel for personal analysis. Sign in to your free account to enjoy these benefits In-depth profiles and analysis for 20,000 public companies. 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