Gagnon Securities LLC Top Holdings and 13F Report (2025) About Gagnon Securities LLCInvestment ActivityGagnon Securities LLC has $492.36 million in total holdings as of June 30, 2025.Gagnon Securities LLC owns shares of 87 different stocks, but just 24 companies or ETFs make up 80% of its holdings.Approximately 6.84% of the portfolio was purchased this quarter.About 9.27% of the portfolio was sold this quarter.This quarter, Gagnon Securities LLC has purchased 98 new stocks and bought additional shares in 34 stocks.Gagnon Securities LLC sold shares of 35 stocks and completely divested from 12 stocks this quarter.Largest Holdings Air Lease $43,074,205The Ensign Group $32,239,418CareDx $30,265,749Intuitive Surgical $29,248,506GeneDx $25,037,518 Largest New Holdings this Quarter 04523Y105 - Aspen Aerogels $11,242,719 Holding Largest Purchases this Quarter Aspen Aerogels 1,899,108 shares (about $11.24M)DoubleVerify 269,170 shares (about $4.03M)Equinix 3,802 shares (about $3.02M)Treace Medical Concepts 503,612 shares (about $2.96M)CareDx 127,223 shares (about $2.49M) Largest Sales this Quarter POWER SOLUTIONS INTL INC 183,680 shares (about $11.88M)nCino 88,091 shares (about $2.46M)Intuitive Surgical 2,881 shares (about $1.57M)The Ensign Group 10,134 shares (about $1.56M)Ameresco 98,283 shares (about $1.49M) 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 PortfolioSectorALAir Lease$43,074,205$313,155 ▲0.7%736,4378.7%TransportationENSGThe Ensign Group$32,239,418$1,563,271 ▼-4.6%208,9946.5%MedicalCDNACareDx$30,265,749$2,485,938 ▲8.9%1,548,9126.1%MedicalISRGIntuitive Surgical$29,248,506$1,565,565 ▼-5.1%53,8245.9%MedicalWGSGeneDx$25,037,518$1,262,616 ▼-4.8%271,2335.1%MedicalPOWER SOLUTIONS INTL INC$22,095,399$11,880,422 ▼-35.0%341,6114.5%COMCAKECheesecake Factory$16,063,113$61,031 ▼-0.4%256,3543.3%Retail/WholesaleEPDEnterprise Products Partners$15,120,180$8,900 ▼-0.1%487,5903.1%EnergyEXASExact Sciences$14,814,847$431,762 ▲3.0%278,7893.0%MedicalBLBlackLine$14,281,885$85,100 ▲0.6%252,2412.9%Computer and TechnologyEQIXEquinix$13,834,814$3,024,377 ▲28.0%17,3922.8%FinanceFRSHFreshworks$13,785,637$711,222 ▲5.4%924,5902.8%Computer and TechnologyTMCITreace Medical Concepts$13,230,870$2,961,239 ▲28.8%2,250,1482.7%MedicalAMRCAmeresco$13,219,022$1,492,919 ▼-10.1%870,2452.7%EnergyNVGSNavigator$12,324,763$274,015 ▲2.3%871,0082.5%TransportationBLFSBioLife Solutions$11,629,360$22,746 ▼-0.2%539,8962.4%MedicalASPNAspen Aerogels$11,242,719$11,242,719 ▲New Holding1,899,1082.3%ConstructionKMXCarMax$10,983,257$407,763 ▲3.9%163,4172.2%Retail/WholesaleCARGCarGurus$10,875,106$50,707 ▼-0.5%324,9212.2%Auto/Tires/TrucksFIVNFive9$10,789,329$751,847 ▲7.5%407,4522.2%Computer and TechnologyPROFProfound Medical$10,324,487$308,175 ▲3.1%1,749,9132.1%MedicalGNRCGenerac$9,765,347$552,647 ▲6.0%68,1892.0%IndustrialsVERXVertex$9,535,008$43,321 ▲0.5%269,8461.9%Computer and TechnologyPCRXPacira BioSciences$8,803,637$1,434,454 ▲19.5%368,3531.8%MedicalCMGChipotle Mexican Grill$8,228,670$40,653 ▲0.5%146,5481.7%Retail/WholesaleAOSLAlpha and Omega Semiconductor$5,542,047$31,280 ▲0.6%215,9801.1%Computer and TechnologyDVDoubleVerify$5,464,050$4,029,475 ▲280.9%365,0001.1%Computer and TechnologyOSUROraSure Technologies$4,812,426$1,591,113 ▲49.4%1,604,1421.0%MedicalSAMBoston Beer$4,779,981$102,083 ▲2.2%25,0511.0%Consumer StaplesCTRECareTrust REIT$4,606,769$160,344 ▼-3.4%150,5480.9%FinancePRLBProto Labs$4,587,543$678,638 ▲17.4%114,5740.9%IndustrialsPNTGThe Pennant Group$4,521,917$18,388 ▼-0.4%151,4880.9%MedicalKLTRKaltura$4,374,520$6,617 ▲0.2%2,176,3780.9%Computer and TechnologyICUIICU Medical$4,270,427$36,473 ▲0.9%32,3150.9%MedicalNVDANVIDIA$3,296,303$15,009 ▲0.5%20,8640.7%Computer and TechnologySPGYFWhitecap Resources$3,270,926$861,535 ▲35.8%487,7790.7%EnergyQDELQuidelOrtho$2,100,315$526,167 ▼-20.0%72,8770.4%MedicalTPRTapestry$2,056,538$278,098 ▼-11.9%23,4200.4%Retail/WholesaleMCHPMicrochip Technology$1,930,691$326,379 ▲20.3%27,4360.4%Computer and TechnologyNTDOYNintendo$1,726,149$34,685 ▼-2.0%71,8630.4%Consumer DiscretionarySLGSL Green Realty$1,619,4280.0%26,1620.3%FinanceCNFCNFinance$1,258,654$108,441 ▼-7.9%1,936,3900.3%FinanceFLAGSTAR FINANCIAL INC$1,249,475$139,369 ▲12.6%117,8750.3%COM NEWGNTXGentex$1,241,329$14,777 ▼-1.2%56,4500.3%Auto/Tires/TrucksPTENPatterson-UTI Energy$1,212,062$259,171 ▲27.2%204,3950.2%EnergyPFEPfizer$1,047,726$83,192 ▲8.6%43,2230.2%MedicalNCNOnCino$1,027,394$2,463,905 ▼-70.6%36,7320.2%Computer and TechnologyTAT&T$820,594$322,189 ▼-28.2%28,3550.2%Computer and TechnologyGNLGlobal Net Lease$796,9180.0%105,5520.2%FinanceXOMExxon Mobil$779,9330.0%7,2350.2%EnergyCELCCelcuity$720,767$4,272 ▼-0.6%53,9900.1%MedicalSHOPShopify$658,418$29,414 ▲4.7%5,7080.1%Computer and TechnologyDVNDevon Energy$646,093$684,265 ▼-51.4%20,3110.1%EnergyMETAMeta Platforms$619,2580.0%8390.1%Computer and TechnologySBUXStarbucks$516,976$70,555 ▲15.8%5,6420.1%Retail/WholesaleCVLTCommVault Systems$501,896$9,239 ▼-1.8%2,8790.1%Computer and TechnologyHIMXHimax Technologies$487,3990.0%54,5800.1%Computer and TechnologyPYPLPayPal$484,343$5,648 ▼-1.2%6,5170.1%Business ServicesAPPSDigital Turbine$482,850$91,662 ▼-16.0%81,8390.1%Computer and TechnologyTECHBio-Techne$476,942$16,824 ▲3.7%9,2700.1%MedicalMRVLMarvell Technology$471,834$383,365 ▼-44.8%6,0960.1%Computer and TechnologyTTDTrade Desk$468,799$6,263 ▼-1.3%6,5120.1%Computer and TechnologyGOOGLAlphabet$450,4440.0%2,5560.1%Computer and TechnologySHOOSteven Madden$421,640$295,913 ▲235.4%17,5830.1%Consumer DiscretionaryLTHLife Time Group$412,4580.0%13,5990.1%Consumer DiscretionaryWEAVWeave Communications$376,180$26,807 ▲7.7%45,2140.1%Computer and TechnologyMUMicron Technology$370,120$16,516 ▼-4.3%3,0030.1%Computer and TechnologyMSFTMicrosoft$344,208$5,969 ▼-1.7%6920.1%Computer and TechnologyMRKMerck & Co., Inc.$319,8060.0%4,0400.1%MedicalACTINIUM PHARMACEUTICALS INC$317,2710.0%226,6220.1%COMCGNXCognex$308,445$5,297 ▼-1.7%9,7240.1%Computer and TechnologyBLZEBackblaze$303,210$3,542 ▼-1.2%55,1290.1%Computer and TechnologyGAMBGambling.com Group$266,835$3,924 ▼-1.4%22,4420.1%Business ServicesDRRXDURECT$256,5470.0%403,8840.1%MedicalETSYEtsy$250,2980.0%4,9900.1%Retail/WholesaleMBLYMobileye Global$249,7780.0%13,8920.1%Auto/Tires/TrucksVIAVViavi Solutions$240,180$4,199 ▼-1.7%23,8510.0%Computer and TechnologyWBAWalgreens Boots Alliance$231,7120.0%20,1840.0%Retail/WholesaleRNGRingcentral$227,112$4,082 ▼-1.8%8,0110.0%Computer and TechnologyCESDFCES Energy Solutions$224,3850.0%46,1800.0%EnergyGDRXGoodRx$217,875$245,977 ▼-53.0%43,7500.0%MedicalAKAMAkamai Technologies$202,192$350,705 ▼-63.4%2,5350.0%Computer and TechnologyDHXDHI Group$167,511$2,504 ▼-1.5%56,4010.0%Computer and TechnologyWBDWarner Bros. Discovery$167,0410.0%14,5760.0%Consumer DiscretionaryYEXTYext$110,024$60 ▲0.1%12,9440.0%Business ServicesALRNAileron Therapeutics$100,4430.0%71,7450.0%MedicalPETSPetMed Express$79,3110.0%23,8890.0%Retail/WholesaleETWOE2open Parent$0$7,640,622 ▼-100.0%00.0%Computer and TechnologyVEREN INC$0$7,443,065 ▼-100.0%00.0%COM NEWMXCTMaxCyte$0$2,861,908 ▼-100.0%00.0%MedicalIONQIonQ$0$2,457,450 ▼-100.0%00.0%Computer and TechnologyQSRRestaurant Brands International$0$377,049 ▼-100.0%00.0%Retail/WholesaleEOGEOG Resources$0$310,734 ▼-100.0%00.0%EnergyBXBlackstone$0$275,786 ▼-100.0%00.0%FinanceONTOOnto Innovation$0$187,713 ▼-100.0%00.0%Computer and TechnologyWFCWells Fargo & Company$0$138,196 ▼-100.0%00.0%FinanceVCELVericel$0$136,626 ▼-100.0%00.0%MedicalGPSGAP$0$116,817 ▼-100.0%00.0%Consumer CyclicalLABStandard BioTools$0$26,651 ▼-100.0%00.0%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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