Gagnon Securities LLC Top Holdings and 13F Report (2026) About Gagnon Securities LLCInvestment ActivityGagnon Securities LLC has $518.83 million in total holdings as of June 30, 2026.Gagnon Securities LLC owns shares of 85 different stocks, but just 23 companies or ETFs make up 80% of its holdings.Approximately 11.11% of the portfolio was purchased this quarter.About 10.63% of the portfolio was sold this quarter.This quarter, Gagnon Securities LLC has purchased 86 new stocks and bought additional shares in 26 stocks.Gagnon Securities LLC sold shares of 46 stocks and completely divested from 6 stocks this quarter.Largest Holdings CareDx $50,465,960GeneDx $36,031,982The Ensign Group $27,877,933Ameresco $22,813,111Generac $21,424,908 Largest New Holdings this Quarter 000000000 - NAVIGATOR HLDGS LTD $11,407,149 Holding93403J106 - Warby Parker $345,300 Holding92346J108 - Vericel $324,910 Holding000000000 - GAMBLING COM GROUP $290,470 Holding08862EAB5 - BEYOND MEATS INC $285,953 Holding Largest Purchases this Quarter GeneDx 221,716 shares (about $15.22M)NAVIGATOR HLDGS LTD 612,300 shares (about $11.41M)QuidelOrtho 627,046 shares (about $10.98M)HINGE HEALTH INC 58,709 shares (about $4.87M)Vertex 292,806 shares (about $3.36M) Largest Sales this Quarter Treace Medical Concepts 2,172,343 shares (about $8.65M)Patterson-UTI Energy 297,226 shares (about $2.73M)Aspen Aerogels 326,039 shares (about $2.07M)Freshworks 167,501 shares (about $1.70M)Marvell Technology 3,902 shares (about $1.16M) Sector Allocation Over TimeMap of 500 Largest Holdings ofGagnon Securities LLC Selling Neutral Buying Latest 13F Holdings and Changes Since Previous Quarterly FilingIssuer NameHoldings ValueApproximate Purchase/SaleChange in SharesShares Held% of PortfolioSectorCDNACareDx$50,465,960$252,539 â–²0.5%1,770,7359.7%HealthcareWGSGeneDx$36,031,982$15,220,803 â–²73.1%524,8656.9%HealthcareENSGThe Ensign Group$27,877,933$923,328 â–¼-3.2%173,9115.4%HealthcareAMRCAmeresco$22,813,111$372,628 â–¼-1.6%826,5624.4%IndustrialsGNRCGenerac$21,424,908$510,368 â–¼-2.3%73,1704.1%IndustrialsEPDEnterprise Products Partners$18,768,774$135,314 â–¼-0.7%510,5763.6%EnergyQDELQuidelOrtho$18,046,948$10,982,711 â–²155.5%1,030,3713.5%HealthcareCAKECheesecake Factory$17,641,336$258,982 â–¼-1.4%221,7923.4%Consumer DiscretionaryEQIXEquinix$17,428,761$240,792 â–¼-1.4%16,7203.4%Real EstateKMXCarMax$17,210,935$830,955 â–²5.1%325,4103.3%Consumer DiscretionaryFRSHFreshworks$15,826,324$1,695,110 â–¼-9.7%1,563,8663.1%TechnologyPCRXPacira BioSciences$15,440,613$225,615 â–¼-1.4%608,6173.0%HealthcareFIVNFive9$15,407,921$2,145,517 â–²16.2%722,6983.0%TechnologyHINGE HEALTH INC$15,185,597$4,872,847 â–²47.3%182,9592.9%CL ABLFSBioLife Solutions$15,133,985$17,113 â–¼-0.1%535,9062.9%HealthcarePROFProfound Medical$13,034,492$104,737 â–²0.8%1,960,0742.5%HealthcareCARGCarGurus$12,513,519$3,257,266 â–²35.2%367,0732.4%Communication ServicesTMCITreace Medical Concepts$12,057,581$8,645,925 â–¼-41.8%3,029,5432.3%HealthcareISRGIntuitive Surgical$11,589,991$984,258 â–¼-7.8%29,1442.2%HealthcareNAVIGATOR HLDGS LTD$11,407,149$11,407,149 â–²New Holding612,3002.2%COMBLBlackLine$10,547,836$2,227,214 â–²26.8%375,7692.0%TechnologyASPNAspen Aerogels$9,737,048$2,067,087 â–¼-17.5%1,535,8121.9%MaterialsPRLBProto Labs$9,478,227$439,665 â–²4.9%116,2831.8%IndustrialsVERXVertex$8,736,578$3,361,413 â–²62.5%761,0261.7%TechnologyAMPLAmplitude$8,074,636$33,109 â–¼-0.4%1,055,5081.6%TechnologyHZOMarineMax$7,744,398$334,341 â–¼-4.1%211,4801.5%Consumer DiscretionaryOSUROraSure Technologies$7,100,976$545,208 â–¼-7.1%1,592,1471.4%HealthcareDVDoubleVerify$5,672,876$377,947 â–²7.1%523,3281.1%TechnologyCELCCelcuity$5,569,969$10,671 â–¼-0.2%53,2401.1%HealthcareCMGChipotle Mexican Grill$5,285,742$81,124 â–¼-1.5%155,4631.0%Consumer DiscretionaryCARETRUST REIT INC$5,243,684$124,722 â–¼-2.3%129,9551.0%COMPNTGThe Pennant Group$4,989,543$90,491 â–¼-1.8%135,0351.0%HealthcareSPGYFWhitecap Resources$4,517,373$3,302 â–¼-0.1%435,1000.9%EnergyICUIICU Medical$4,310,040$50,284 â–¼-1.2%29,4000.8%HealthcareKLTRKaltura$4,247,099$15,518 â–¼-0.4%3,266,9990.8%TechnologyMCHPMicrochip Technology$2,392,102$55,541 â–¼-2.3%26,2290.5%TechnologyGNTXGentex$1,444,419$5,711 â–²0.4%57,1590.3%Consumer DiscretionaryGNLGlobal Net Lease$1,435,746$85,171 â–¼-5.6%160,5980.3%Real EstateSLGSL Green Realty$1,338,8760.0%25,8620.3%Real EstateSAMBoston Beer$1,289,309$7,789 â–²0.6%7,2830.2%Consumer StaplesNCNOnCino$1,231,695$68,457 â–¼-5.3%75,3330.2%TechnologyFLAGSTAR BANK NATIONAL ASSOCIA$1,112,372$3,810 â–¼-0.3%74,4560.2%COM NEWAPPSDigital Turbine$1,055,7230.0%81,8390.2%TechnologyDOCUDocusign$928,645$14,481 â–¼-1.5%20,9060.2%TechnologyCNFINANCE HLDGS LTD$920,596$50,987 â–²5.9%332,3450.2%SPON ADSGOOGLAlphabet$913,4380.0%2,5560.2%Communication ServicesMRVLMarvell Technology$870,734$1,162,369 â–¼-57.2%2,9230.2%TechnologyTECHBio-Techne$864,050$166,098 â–²23.8%12,2300.2%HealthcareDVNDevon Energy$785,948$1,859 â–¼-0.2%19,0210.2%EnergyMUMicron Technology$783,763$459,407 â–¼-37.0%6790.2%TechnologyNTDOYNintendo$740,674$10,249 â–²1.4%70,6750.1%Consumer DiscretionaryCGNXCognex$709,571$1,304 â–²0.2%9,7980.1%TechnologyWEAVWeave Communications$704,336$481,222 â–²215.7%108,0270.1%HealthcareNVDANVIDIA$699,915$31,414 â–¼-4.3%3,4980.1%TechnologyCVLTCommVault Systems$690,792$70,582 â–²11.4%4,8740.1%TechnologyGOOGAlphabet$681,574$1,767 â–¼-0.3%1,9290.1%Communication ServicesONTOOnto Innovation$646,771$201,714 â–¼-23.8%1,7090.1%TechnologyTAT&T$639,589$24,757 â–¼-3.7%30,8980.1%Communication ServicesHIMXHimax Technologies$605,899$80,918 â–¼-11.8%39,4980.1%TechnologyPFEPfizer$562,172$503,609 â–¼-47.3%23,3460.1%HealthcareLTHLife Time Group$549,911$3,471 â–¼-0.6%13,4650.1%Consumer DiscretionaryMTSIMACOM Technology Solutions$487,254$908,704 â–¼-65.1%1,2810.1%TechnologyVIAVViavi Solutions$476,832$216,069 â–¼-31.2%9,9860.1%TechnologyMETAMeta Platforms$472,6000.0%8390.1%Communication ServicesSHOPIFY INC$459,346$10,390 â–²2.3%4,0230.1%CL A SUB VTG SHSETSY INC$433,524$1,356 â–¼-0.3%5,7550.1%COMSBUXStarbucks$413,359$2,657 â–¼-0.6%4,0450.1%Consumer DiscretionaryMRKMerck & Co., Inc.$409,530$643 â–¼-0.2%3,1870.1%HealthcareCESDFCES Energy Solutions$389,5040.0%33,3500.1%EnergyAKAMAkamai Technologies$373,898$31,562 â–²9.2%3,1630.1%TechnologyWRBYWarby Parker$345,300$345,300 â–²New Holding11,3810.1%Consumer DiscretionaryRNGRingCentral$331,993$3,703 â–²1.1%8,5170.1%TechnologyVCELVericel$324,910$324,910 â–²New Holding7,3030.1%HealthcareWEAVWeave Communications$294,367$89,389 â–²43.6%49,1430.1%HealthcareGAMBLING COM GROUP$290,470$290,470 â–²New Holding152,8790.1%ORDINARY SHARESBEYOND MEATS INC$285,953$285,953 â–²New Holding381,2710.1%COMPLPlanet Labs PBC$276,7020.0%8,3520.1%IndustrialsELECTROVAYA INC$276,224$525 â–²0.2%26,3070.1%COM NEWREIN THERAPEUTICS INC$238,233$10,868 â–¼-4.4%229,0700.0%COM NEWRMBSRambus$236,012$125,307 â–¼-34.7%1,7780.0%TechnologyBXBlackstone$228,2800.0%1,9400.0%FinanceMSFTMicrosoft$207,399$4,103 â–²2.0%5560.0%TechnologyACTINIUM PHARMACEUTICALS INC$178,499$18,775 â–¼-9.5%182,1420.0%COMPTENPatterson-UTI Energy$159,916$2,728,542 â–¼-94.5%17,4200.0%EnergyREDHILL BIOPHARMA LTD$74,7020.0%88,4050.0%SPONSORED ADRNVGSNavigator$0$17,138,577 â–¼-100.0%00.0%EnergySGOViShares 0-3 Month Treasury Bond ETF$0$9,331,383 â–¼-100.0%00.0%ETFAOSLAlpha and Omega Semiconductor$0$3,720,088 â–¼-100.0%00.0%TechnologyGAMBGambling.com Group$0$425,624 â–¼-100.0%00.0%Communication ServicesEOGEOG Resources$0$267,599 â–¼-100.0%00.0%EnergySVVSavers Value Village$0$187,101 â–¼-100.0%00.0%Consumer DiscretionaryShowing largest 100 holdings. 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