Essex Investment Management Co LLC Top Holdings and 13F Report (2025) About Essex Investment Management Co LLCInvestment ActivityEssex Investment Management Co LLC has $479.36 million in total holdings as of March 31, 2025.Essex Investment Management Co LLC owns shares of 303 different stocks, but just 102 companies or ETFs make up 80% of its holdings.Approximately 10.71% of the portfolio was purchased this quarter.About 15.82% of the portfolio was sold this quarter.This quarter, Essex Investment Management Co LLC has purchased 307 new stocks and bought additional shares in 32 stocks.Essex Investment Management Co LLC sold shares of 154 stocks and completely divested from 31 stocks this quarter.Largest Holdings HCI Group $11,620,540Kratos Defense & Security Solutions $10,530,063Leonardo DRS $8,412,644Apple $8,342,314NextEra Energy $7,527,880 Largest New Holdings this Quarter 89422G107 - Travere Therapeutics $4,563,615 Holding05722G100 - Baker Hughes $3,011,234 Holding063425102 - Bank of Marin Bancorp $2,934,052 HoldingG8232Y101 - SMART Global $2,841,263 HoldingN07059210 - ASML $2,782,383 Holding Largest Purchases this Quarter Travere Therapeutics 254,666 shares (about $4.56M)Range Resources 77,156 shares (about $3.08M)Baker Hughes 68,515 shares (about $3.01M)Bank of Marin Bancorp 132,943 shares (about $2.93M)SMART Global 163,573 shares (about $2.84M) Largest Sales this Quarter Primoris Services 83,700 shares (about $4.81M)BP 141,757 shares (about $4.79M)Exxon Mobil 27,023 shares (about $3.21M)Xylem 11,389 shares (about $1.36M)Tarsus Pharmaceuticals 25,313 shares (about $1.30M) 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 PortfolioSectorHCIHCI Group$11,620,540$666,312 ▼-5.4%77,8702.4%FinanceKTOSKratos Defense & Security Solutions$10,530,063$399,063 ▼-3.7%354,6672.2%AerospaceDRSLeonardo DRS$8,412,644$64,050 ▼-0.8%255,8591.8%AerospaceAAPLApple$8,342,314$907,179 ▼-9.8%37,5561.7%Computer and TechnologyNEENextEra Energy$7,527,880$850,680 ▼-10.2%106,1911.6%UtilitiesAVPTAvePoint$7,503,443$377,115 ▼-4.8%519,6291.6%Computer and TechnologyGWREGuidewire Software$7,275,376$872,348 ▼-10.7%38,8311.5%Computer and TechnologyMSFTMicrosoft$7,060,335$682,459 ▼-8.8%18,8081.5%Computer and TechnologyAMSCAmerican Superconductor$6,752,089$1,045,862 ▼-13.4%372,2211.4%Computer and TechnologyITCIIntra-Cellular Therapies$6,558,667$949,560 ▼-12.6%49,7171.4%MedicalLGNDLigand Pharmaceuticals$6,487,348$372,721 ▼-5.4%61,7021.4%MedicalTSEMTower Semiconductor$6,171,284$368,475 ▼-5.6%173,0591.3%Computer and TechnologyLINCLincoln Educational Services$6,147,181$195,106 ▼-3.1%387,3461.3%Consumer DiscretionarySTRLSterling Infrastructure$6,104,849$1,838,757 ▲43.1%53,9251.3%ConstructionAMZNAmazon.com$5,762,405$609,403 ▼-9.6%30,2871.2%Retail/WholesaleWLDNWilldan Group$5,582,305$37,340 ▼-0.7%137,0901.2%Business ServicesCRMSalesforce$5,351,098$552,822 ▼-9.4%19,9401.1%Computer and TechnologyINSMInsmed$5,096,172$40,434 ▼-0.8%66,8001.1%MedicalGSThe Goldman Sachs Group$4,966,869$392,783 ▼-7.3%9,0921.0%FinanceAGXArgan$4,749,666$36,728 ▼-0.8%36,2101.0%ConstructionADPTAdaptive Biotechnologies$4,619,320$30,656 ▼-0.7%621,7121.0%MedicalAEMAgnico Eagle Mines$4,588,128$338,131 ▼-6.9%42,3221.0%Basic MaterialsTVTXTravere Therapeutics$4,563,615$4,563,615 ▲New Holding254,6661.0%MedicalLYTSLSI Industries$4,558,465$30,022 ▼-0.7%268,1451.0%ConstructionMIRMirion Technologies$4,377,159$34,539 ▼-0.8%301,8730.9%Business ServicesEVEREverQuote$4,371,871$363,753 ▼-7.7%166,9290.9%FinanceAMBAAmbarella$4,350,072$205,900 ▼-4.5%86,4310.9%Computer and TechnologyUVEUniversal Insurance$4,187,174$32,327 ▼-0.8%176,6740.9%FinanceNUTEX HEALTH INC$4,102,098$874,100 ▼-17.6%87,2230.9%COMGMEDGlobus Medical$4,097,516$583,258 ▼-12.5%55,9770.9%MedicalGHMGraham$4,030,679$24,756 ▼-0.6%139,8570.8%IndustrialsXERSXeris Biopharma$4,010,138$1,402,635 ▲53.8%730,4440.8%MedicalPATKPatrick Industries$3,931,279$164,131 ▼-4.0%46,4910.8%ConstructionCLPTClearPoint Neuro$3,893,488$967,406 ▼-19.9%327,4590.8%MedicalGNRCGenerac$3,877,390$518,505 ▼-11.8%30,6150.8%IndustrialsIEXIDEX$3,854,842$470,884 ▼-10.9%21,3010.8%IndustrialsKINIKSA PHARMACEUTICALS INTL P$3,834,912$25,164 ▼-0.7%172,6660.8%COMPAYPaymentus$3,833,359$24,638 ▼-0.6%146,8720.8%Business ServicesMYOMyomo$3,788,428$29,254 ▼-0.8%787,6150.8%MedicalBPMCBlueprint Medicines$3,675,378$372,716 ▼-9.2%41,5250.8%MedicalPRIMPrimoris Services$3,597,942$4,805,217 ▼-57.2%62,6710.8%ConstructionCXDOCrexendo$3,540,768$27,340 ▼-0.8%727,0570.7%Computer and TechnologyCECOCECO Environmental$3,507,689$27,360 ▼-0.8%153,8460.7%IndustrialsSTKLSunOpta$3,417,260$122,331 ▼-3.5%703,1400.7%Consumer StaplesOSPNOneSpan$3,383,960$26,123 ▼-0.8%221,8990.7%Computer and TechnologyGFFGriffon$3,287,141$25,883 ▼-0.8%45,9740.7%Multi-Sector ConglomeratesLQDTLiquidity Services$3,276,796$25,459 ▼-0.8%105,6690.7%Business ServicesTHCTenet Healthcare$3,216,030$274,918 ▲9.3%23,9110.7%MedicalRRCRange Resources$3,124,403$3,080,839 ▲7,072.0%78,2470.7%EnergyMRCMRC Global$3,061,911$20,308 ▼-0.7%266,7170.6%IndustrialsBGCGeneral Cable$3,016,004$24,154 ▼-0.8%328,8990.6%FinanceBKRBaker Hughes$3,011,234$3,011,234 ▲New Holding68,5150.6%EnergyARQTArcutis Biotherapeutics$2,981,578$747,827 ▲33.5%190,6380.6%MedicalBMRCBank of Marin Bancorp$2,934,052$2,934,052 ▲New Holding132,9430.6%FinanceSIBNSI-BONE$2,916,837$3,648 ▼-0.1%207,9000.6%MedicalPEGAPegasystems$2,909,203$280,444 ▼-8.8%41,8470.6%Computer and TechnologyPFEPfizer$2,891,699$321,666 ▼-10.0%114,1160.6%MedicalBWAYBrainsWay$2,870,973$21,601 ▼-0.7%303,1650.6%MedicalERIIEnergy Recovery$2,853,272$631,898 ▼-18.1%179,5640.6%IndustrialsSGHSMART Global$2,841,263$2,841,263 ▲New Holding163,5730.6%Computer and TechnologyTILEInterface$2,828,748$21,784 ▼-0.8%142,5780.6%Consumer DiscretionaryTRNSTranscat$2,828,132$22,484 ▼-0.8%37,9870.6%Computer and TechnologyOCULOcular Therapeutix$2,817,102$21,426 ▼-0.8%384,3250.6%MedicalPAYXPaychex$2,801,416$139,623 ▼-4.7%18,1580.6%Business ServicesTARSTarsus Pharmaceuticals$2,796,942$1,300,329 ▼-31.7%54,4470.6%MedicalASMLASML$2,782,383$2,782,383 ▲New Holding4,1990.6%Computer and TechnologyDISWalt Disney$2,759,159$321,367 ▼-10.4%27,9550.6%Consumer DiscretionarySTXSStereotaxis$2,738,725$603,909 ▲28.3%1,556,0940.6%MedicalCGNTCognyte Software$2,674,870$20,186 ▼-0.7%342,9320.6%Computer and TechnologyBMIBadger Meter$2,625,070$395,530 ▼-13.1%13,7980.5%Computer and TechnologyGLDDGreat Lakes Dredge & Dock$2,617,143$19,392 ▼-0.7%300,8210.5%ConstructionPHRPhreesia$2,605,177$20,806 ▼-0.8%101,9240.5%MedicalRDCMRADCOM$2,596,290$22,700 ▼-0.9%227,1470.5%Computer and TechnologyNOVTNovanta$2,590,390$19,564 ▼-0.7%20,2580.5%Computer and TechnologyMTRXMatrix Service$2,572,824$17,079 ▼-0.7%206,9850.5%EnergyZSZscaler$2,562,197$252,787 ▼-9.0%12,9130.5%Computer and TechnologyTTITETRA Technologies$2,544,367$14,787 ▼-0.6%757,2520.5%EnergyAMPXAmprius Technologies$2,507,984$2,507,984 ▲New Holding935,8150.5%Business ServicesCRNTCeragon Networks$2,452,028$139,080 ▼-5.4%1,043,4160.5%Computer and TechnologyOUSTOuster$2,395,541$77,848 ▼-3.1%266,7640.5%Computer and TechnologyINTUIntuit$2,384,123$187,881 ▼-7.3%3,8830.5%Computer and TechnologyRVLVRevolve Group$2,370,820$86,777 ▼-3.5%110,3220.5%Consumer DiscretionaryPRCTPROCEPT BioRobotics$2,361,336$652,162 ▼-21.6%40,5310.5%MedicalOLOOLO$2,358,264$17,842 ▼-0.8%390,4410.5%Computer and TechnologyCVLGCovenant Logistics Group$2,320,855$1,151,492 ▲98.5%104,5430.5%TransportationMDWDMediWound$2,294,911$16,777 ▼-0.7%147,8680.5%MedicalNVRIEnviri$2,283,005$17,064 ▼-0.7%343,3090.5%Business ServicesGE VERNOVA INC$2,281,968$1,258,364 ▼-35.5%7,4750.5%COMVMIValmont Industries$2,271,545$342,159 ▼-13.1%7,9600.5%IndustrialsFTDRFrontdoor$2,255,369$18,096 ▼-0.8%58,7030.5%ConstructionKELYAKelly Services$2,242,337$1,322,966 ▲143.9%170,2610.5%Business ServicesRDVTRed Violet$2,241,454$17,592 ▼-0.8%59,6290.5%Computer and TechnologyQDELQuidelOrtho$2,214,126$16,856 ▼-0.8%63,3150.5%MedicalEOLSEvolus$2,179,042$16,469 ▼-0.8%181,1340.5%MedicalSMWBSimilarweb$2,173,472$16,590 ▼-0.8%262,8140.5%Computer and TechnologyGDYNGrid Dynamics$2,171,312$14,617 ▼-0.7%138,7420.5%Computer and TechnologyNVCRNovoCure$2,156,933$14,007 ▼-0.6%121,0400.4%MedicalMASS908 Devices$2,152,860$2,152,860 ▲New Holding480,5490.4%MedicalCONCENTRA GROUP HOLDINGS PAREN$2,151,056$205,260 ▼-8.7%99,1270.4%COMEVREvercore$2,123,822$17,376 ▼-0.8%10,6340.4%FinanceShowing largest 100 holdings. 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