Essex Investment Management Co LLC Top Holdings and 13F Report (2025) About Essex Investment Management Co LLCInvestment ActivityEssex Investment Management Co LLC has $549.97 million in total holdings as of June 30, 2025.Essex Investment Management Co LLC owns shares of 298 different stocks, but just 95 companies or ETFs make up 80% of its holdings.Approximately 11.20% of the portfolio was purchased this quarter.About 16.52% of the portfolio was sold this quarter.This quarter, Essex Investment Management Co LLC has purchased 303 new stocks and bought additional shares in 24 stocks.Essex Investment Management Co LLC sold shares of 150 stocks and completely divested from 30 stocks this quarter.Largest Holdings Kratos Defense & Security Solutions $16,273,850American Superconductor $12,696,281Sterling Infrastructure $12,256,608Leonardo DRS $11,807,872AvePoint $9,900,295 Largest New Holdings this Quarter 604749101 - Mirum Pharmaceuticals $5,736,881 Holding192576106 - Cohu $2,823,143 Holding56146T103 - Mama's Creations $2,754,994 Holding68628V308 - Orion Group $2,723,603 Holding09263B207 - BLACKSKY TECHNOLOGY INC $2,721,026 Holding Largest Purchases this Quarter Mirum Pharmaceuticals 112,731 shares (about $5.74M)GE VERNOVA INC 7,010 shares (about $3.71M)Cohu 146,733 shares (about $2.82M)Mama's Creations 331,927 shares (about $2.75M)Orion Group 300,287 shares (about $2.72M) Largest Sales this Quarter NUTEX HEALTH INC 54,820 shares (about $6.82M)Guidewire Software 15,566 shares (about $3.67M)HCI Group 17,889 shares (about $2.72M)Argan 8,892 shares (about $1.96M)Willdan Group 29,863 shares (about $1.87M) 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 PortfolioSectorKTOSKratos Defense & Security Solutions$16,273,850$200,432 ▼-1.2%350,3523.0%AerospaceAMSCAmerican Superconductor$12,696,281$960,508 ▼-7.0%346,0422.3%Computer and TechnologySTRLSterling Infrastructure$12,256,608$185,507 ▼-1.5%53,1212.2%ConstructionDRSLeonardo DRS$11,807,872$84,454 ▼-0.7%254,0422.1%AerospaceAVPTAvePoint$9,900,295$133,741 ▼-1.3%512,7031.8%Computer and TechnologyMSFTMicrosoft$9,194,624$160,663 ▼-1.7%18,4851.7%Computer and TechnologyHCIHCI Group$9,129,108$2,722,706 ▼-23.0%59,9811.7%FinanceLINCLincoln Educational Services$8,863,924$64,402 ▼-0.7%384,5521.6%Consumer DiscretionaryTSEMTower Semiconductor$8,466,082$963,974 ▲12.8%195,2961.5%Computer and TechnologyGE VERNOVA INC$7,664,738$3,709,342 ▲93.8%14,4851.4%COMAAPLApple$7,518,865$186,500 ▼-2.4%36,6471.4%Computer and TechnologyADPTAdaptive Biotechnologies$7,191,533$51,411 ▼-0.7%617,2991.3%MedicalLGNDLigand Pharmaceuticals$6,912,881$101,403 ▼-1.4%60,8101.3%MedicalGHMGraham$6,880,603$43,717 ▼-0.6%138,9741.3%IndustrialsWLDNWilldan Group$6,702,760$1,866,736 ▼-21.8%107,2271.2%Business ServicesINSMInsmed$6,676,961$45,791 ▼-0.7%66,3451.2%MedicalAMZNAmazon.com$6,493,725$150,940 ▼-2.3%29,5991.2%Retail/WholesaleGSThe Goldman Sachs Group$6,475,205$40,342 ▲0.6%9,1491.2%FinanceMIRMirion Technologies$6,455,038$44,287 ▼-0.7%299,8161.2%Business ServicesOUSTOuster$6,066,671$402,356 ▼-6.2%250,1721.1%Computer and TechnologyAGXArgan$6,023,073$1,960,508 ▼-24.6%27,3181.1%ConstructionMIRMMirum Pharmaceuticals$5,736,881$5,736,881 ▲New Holding112,7311.0%MedicalEVEREverQuote$5,674,490$1,638,147 ▲40.6%234,6771.0%FinanceAMBAAmbarella$5,581,105$128,959 ▼-2.3%84,4791.0%Computer and TechnologyNEENextEra Energy$5,521,320$1,850,460 ▼-25.1%79,5351.0%UtilitiesGWREGuidewire Software$5,477,744$3,665,015 ▼-40.1%23,2651.0%Computer and TechnologyCRMSalesforce$5,316,637$120,802 ▼-2.2%19,4971.0%Computer and TechnologyAEMAgnico Eagle Mines$4,911,095$122,260 ▼-2.4%41,2940.9%Basic MaterialsUVEUniversal Insurance$4,864,064$35,106 ▼-0.7%175,4080.9%FinanceKINIKSA PHARMACEUTICALS INTL P$4,743,662$34,006 ▼-0.7%171,4370.9%COMBPMCBlueprint Medicines$4,651,780$670,894 ▼-12.6%36,2910.8%MedicalLYTSLSI Industries$4,528,419$32,727 ▼-0.7%266,2210.8%ConstructionPEGAPegasystems$4,437,198$2,172,020 ▲95.9%81,9730.8%Computer and TechnologyCXDOCrexendo$4,381,496$31,740 ▼-0.7%721,8280.8%Computer and TechnologyPRIMPrimoris Services$4,354,430$530,148 ▼-10.9%55,8690.8%ConstructionCECOCECO Environmental$4,324,154$31,226 ▼-0.7%152,7430.8%IndustrialsAMPXAmprius Technologies$4,316,753$376,972 ▲9.6%1,025,3570.8%Business ServicesPATKPatrick Industries$4,249,495$40,230 ▼-0.9%46,0550.8%ConstructionBWXTBWX Technologies$4,052,120$951,084 ▲30.7%28,1280.7%AerospaceNUTEX HEALTH INC$4,033,849$6,824,541 ▼-62.9%32,4030.7%COMZSZscaler$3,968,516$85,392 ▼-2.1%12,6410.7%Computer and TechnologyBWAYBrainsway$3,957,361$29,259 ▼-0.7%300,9400.7%MedicalSTKLSunOpta$3,953,872$124,340 ▼-3.0%681,7020.7%Consumer StaplesCLPTClearPoint Neuro$3,885,013$24,847 ▼-0.6%325,3780.7%MedicalSIBNSiBone$3,884,599$28,079 ▼-0.7%206,4080.7%MedicalOSPNOnespan$3,676,907$26,587 ▼-0.7%220,3060.7%Computer and TechnologyCONCENTRA GROUP HOLDINGS PAREN$3,669,935$1,630,893 ▲80.0%178,4120.7%COMGLDDGreat Lakes Dredge & Dock$3,640,934$26,074 ▼-0.7%298,6820.7%ConstructionMRCMRC Global$3,630,394$26,296 ▼-0.7%264,7990.7%IndustrialsTHCTenet Healthcare$3,561,184$647,152 ▼-15.4%20,2340.6%MedicalOCULOcular Therapeutix$3,541,202$25,334 ▼-0.7%381,5950.6%MedicalOLOOLO$3,450,281$24,644 ▼-0.7%387,6720.6%Computer and TechnologyDLTRDollar Tree$3,415,196$1,775,886 ▲108.3%34,4830.6%Retail/WholesaleMASS908 Devices$3,403,448$22,866 ▼-0.7%477,3420.6%MedicalXERSXeris Biopharma$3,389,365$21,809 ▼-0.6%725,7740.6%MedicalBGCGeneral Cable$3,341,722$22,915 ▼-0.7%326,6590.6%FinanceGFFGriffon$3,304,487$22,652 ▼-0.7%45,6610.6%Multi-Sector ConglomeratesDISWalt Disney$3,281,057$185,643 ▼-5.4%26,4580.6%Consumer DiscretionarySTXSStereotaxis$3,274,883$24,037 ▼-0.7%1,544,7560.6%MedicalTRNSTranscat$3,241,895$23,467 ▼-0.7%37,7140.6%Computer and TechnologyASMLASML$3,227,198$137,839 ▼-4.1%4,0270.6%Computer and TechnologySGHSMART Global$3,219,442$20,939 ▼-0.6%162,5160.6%Computer and TechnologyGMEDGlobus Medical$3,218,715$85,048 ▼-2.6%54,5360.6%MedicalARLOArlo Technologies$3,166,703$21,743 ▼-0.7%186,7160.6%Computer and TechnologyCGNTCognyte Software$3,145,943$22,749 ▼-0.7%340,4700.6%Computer and TechnologyCOVENANT LOGISTICS GROUP INC$3,131,768$611,237 ▲24.3%129,8950.6%COMIEXIDEX$3,130,589$609,228 ▼-16.3%17,8310.6%IndustrialsRDCMRadcom$3,067,521$19,407 ▼-0.6%225,7190.6%Computer and TechnologyPAYPaymentus$3,012,443$1,797,615 ▼-37.4%91,9830.5%Business ServicesINTUIntuit$3,004,021$54,346 ▼-1.8%3,8140.5%Computer and TechnologyRRCRange Resources$2,963,542$218,764 ▼-6.9%72,8680.5%EnergyNVRIEnviri$2,958,543$21,379 ▼-0.7%340,8460.5%Business ServicesRDVTRed Violet$2,912,738$21,008 ▼-0.7%59,2020.5%Computer and TechnologyPHRPhreesia$2,881,006$19,751 ▼-0.7%101,2300.5%MedicalEVREvercore$2,851,681$19,711 ▼-0.7%10,5610.5%FinanceMDWDMediWound$2,843,671$20,532 ▼-0.7%146,8080.5%MedicalCOHUCohu$2,823,143$2,823,143 ▲New Holding146,7330.5%Computer and TechnologyMTRXMatrix Service$2,776,251$20,116 ▼-0.7%205,4960.5%EnergyMAMAMama's Creations$2,754,994$2,754,994 ▲New Holding331,9270.5%Consumer StaplesEXTRExtreme Networks$2,751,735$17,394 ▼-0.6%153,3000.5%Computer and TechnologyORNOrion Group$2,723,603$2,723,603 ▲New Holding300,2870.5%ConstructionBLACKSKY TECHNOLOGY INC$2,721,026$2,721,026 ▲New Holding132,2170.5%COMPBPBPotbelly$2,700,464$17,836 ▼-0.7%220,4460.5%Retail/WholesaleAIPArteris$2,687,489$19,403 ▼-0.7%282,0030.5%Computer and TechnologyARQTArcutis Biotherapeutics$2,656,944$15,801 ▼-0.6%189,5110.5%MedicalPAYXPaychex$2,601,698$39,565 ▼-1.5%17,8860.5%Computer and TechnologyNOVTNovanta$2,592,911$18,953 ▼-0.7%20,1110.5%Computer and TechnologyCRNTCeragon Networks$2,548,902$17,901 ▼-0.7%1,036,1390.5%Computer and TechnologyTTITetra Technologies$2,526,078$18,288 ▼-0.7%751,8090.5%EnergyASPNAspen Aerogels$2,525,046$1,147,225 ▲83.3%426,5280.5%ConstructionKMDAKamada$2,509,698$2,509,698 ▲New Holding323,8320.5%MedicalBKRBaker Hughes$2,490,260$136,605 ▼-5.2%64,9520.5%EnergyLQDTLiquidity Services$2,474,874$17,858 ▼-0.7%104,9120.5%Business ServicesMEGMontrose Environmental Group$2,373,182$16,965 ▼-0.7%108,4140.4%Business ServicesLZLegalZoom.com$2,359,377$2,359,377 ▲New Holding264,8010.4%IndustrialsEVERUS CONSTR GROUP$2,346,989$14,675 ▼-0.6%36,9430.4%COMPRCTPROCEPT BioRobotics$2,321,165$13,421 ▼-0.6%40,2980.4%MedicalANGOAngioDynamics$2,289,109$511,545 ▲28.8%230,7570.4%MedicalSMTCSemtech$2,218,180$16,115 ▼-0.7%49,1400.4%Computer and TechnologyCTMCastellum$2,195,025$2,195,025 ▲New Holding2,090,5000.4%Business ServicesShowing 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. Real-time analyst ratings, insider transactions, earnings data, and more. Our daily ratings and market update email newsletter. Sign in to your free account to enjoy all that MarketBeat has to offer. Sign In Create Account Your Email Address: Email Address Required Your Password: Password Required Log In or Sign in with Facebook Sign in with Google Forgot your password? Your Email Address: Please enter your email address. Please enter a valid email address Choose a Password: Please enter your password. Your password must be at least 8 characters long and contain at least 1 number, 1 letter, and 1 special character. Create My Account (Free) or Sign in with Facebook Sign in with Google By creating a free account, you agree to our terms of service. This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
MarketBeat All Access