Gagnon Securities LLC
- SEC CIK
- 0001125725
- Latest filing
- Aug 4, 2026
Holdings in Q2 2025
Holdings as of Jun 30, 2025, filed Jul 23, 2025. Long positions only; changes compare share counts with Q1 2025.
- Positions
- 87
- −11 vs. Q1 2025
- Portfolio value
- $492.4M
- +$37.8M (+8.3%) vs. Q1 2025
| Security | Class | Shares | Value | % of portfolio | Share change | Action | History |
|---|---|---|---|---|---|---|---|
| ALSumisho Air Lease Corp | CL A | 736,437 | $43.1M | 8.7% | +5,354+0.7% | Added | History |
| ENSGEnsign Group, Inc | COM | 208,994 | $32.2M | 6.5% | −10,134−4.6% | Reduced | History |
| CDNACareDx, Inc. | COM | 1,548,912 | $30.3M | 6.1% | +127,223+8.9% | Added | History |
| ISRGIntuitive Surgical Inc | COM NEW | 53,824 | $29.2M | 5.9% | −2,881−5.1% | Reduced | History |
| WGSGeneDx Holdings Corp. | COM CL A | 271,233 | $25.0M | 5.1% | −13,678−4.8% | Reduced | History |
| PSIXPower Solutions International, Inc. | Stock | 341,611 | $22.1M | 4.5% | −183,680−35.0% | Reduced | History |
| CAKECheesecake Factory Inc | COM | 256,354 | $16.1M | 3.3% | −974−0.4% | Reduced | History |
| EPDEnterprise Products Partners L.P. | Stock | 487,590 | $15.1M | 3.1% | −287−0.1% | Reduced | History |
| EXASExact Sciences Corp | COM | 278,789 | $14.8M | 3.0% | +8,125+3.0% | Added | History |
| BLBlackline, Inc. | COM | 252,241 | $14.3M | 2.9% | +1,503+0.6% | Added | History |
| EQIXEquinix Inc | COM | 17,392 | $13.8M | 2.8% | +3,802+28.0% | Added | History |
| FRSHFreshworks Inc. | Stock | 924,590 | $13.8M | 2.8% | +47,701+5.4% | Added | History |
| TMCITreace Medical Concepts, Inc. | COM | 2,250,148 | $13.2M | 2.7% | +503,612+28.8% | Added | History |
| AMRCAmeresco, Inc. | CL A | 870,245 | $13.2M | 2.7% | −98,283−10.1% | Reduced | History |
| NVGSNavigator Holdings Ltd. | SHS | 871,008 | $12.3M | 2.5% | +19,365+2.3% | Added | History |
| BLFSBiolife Solutions Inc | COM NEW | 539,896 | $11.6M | 2.4% | −1,056−0.2% | Reduced | History |
| ASPNAspen Aerogels Inc | COM | 1,899,108 | $11.2M | 2.3% | +1,899,108 | New | History |
| KMXCarMax Inc | COM | 163,417 | $11.0M | 2.2% | +6,067+3.9% | Added | History |
| CARGCarGurus, Inc. | COM CL A | 324,921 | $10.9M | 2.2% | −1,515−0.5% | Reduced | History |
| FIVNFive9, Inc. | COM | 407,452 | $10.8M | 2.2% | +28,393+7.5% | Added | History |
| PROFProfound Medical Corp. | COM NEW | 1,749,913 | $10.3M | 2.1% | +52,233+3.1% | Added | History |
| GNRCGenerac Holdings Inc. | Stock | 68,189 | $9.77M | 2.0% | +3,859+6.0% | Added | History |
| VERXVertex, Inc. | Stock | 269,846 | $9.54M | 1.9% | +1,226+0.5% | Added | History |
| PCRXPacira BioSciences, Inc. | COM | 368,353 | $8.80M | 1.8% | +60,019+19.5% | Added | History |
| CMGChipotle Mexican Grill Inc | COM | 146,548 | $8.23M | 1.7% | +724+0.5% | Added | History |
| AOSLAlpha & Omega Semiconductor Ltd | SHS | 215,980 | $5.54M | 1.1% | +1,219+0.6% | Added | History |
| DVDoubleVerify Holdings, Inc. | COM | 365,000 | $5.46M | 1.1% | +269,170+280.9% | Added | History |
| OSUROrasure Technologies Inc | COM | 1,604,142 | $4.81M | 1.0% | +530,371+49.4% | Added | History |
| SAMBoston Beer Co Inc | CL A | 25,051 | $4.78M | 1.0% | +535+2.2% | Added | History |
| CTRECareTrust REIT, Inc. | COM | 150,548 | $4.61M | 0.9% | −5,240−3.4% | Reduced | History |
| PRLBProto Labs Inc | COM | 114,574 | $4.59M | 0.9% | +16,949+17.4% | Added | History |
| PNTGPennant Group, Inc. | COM | 151,488 | $4.52M | 0.9% | −616−0.4% | Reduced | History |
| KLTRKaltura Inc | COM | 2,176,378 | $4.37M | 0.9% | +3,292+0.2% | Added | History |
| ICUIIcu Medical Inc | COM | 32,315 | $4.27M | 0.9% | +276+0.9% | Added | History |
| NVDANVIDIA Corp | Stock | 20,864 | $3.30M | 0.7% | +95+0.5% | Added | History |
| WCPRFWhitecap Resources Inc. | COM | 487,779 | $3.27M | 0.7% | +128,477+35.8% | Added | History |
| QDELQuidelOrtho Corp | COM | 72,877 | $2.10M | 0.4% | −18,257−20.0% | Reduced | History |
| TPRTapestry, Inc. | COM | 23,420 | $2.06M | 0.4% | −3,167−11.9% | Reduced | History |
| MCHPMicrochip Technology Inc | Stock | 27,436 | $1.93M | 0.4% | +4,638+20.3% | Added | History |
| Nintendo Ltd ADR654445303 | ADR | 71,863 | $1.73M | 0.4% | −1,444−2.0% | Reduced | – |
| SLGSL Green Realty Corp | COM | 26,162 | $1.62M | 0.3% | 00.0% | Unchanged | History |
| CNFCNFinance Holdings Ltd. | SPON ADS | 1,936,390 | $1.26M | 0.3% | −166,832−7.9% | Reduced | History |
| FLGFlagstar Bank, National Association | Stock | 117,875 | $1.25M | 0.3% | +13,148+12.6% | Added | History |
| GNTXGentex Corp | COM | 56,450 | $1.24M | 0.3% | −672−1.2% | Reduced | History |
| PTENPatterson Uti Energy Inc | COM | 204,395 | $1.21M | 0.2% | +43,705+27.2% | Added | History |
| PFEPfizer Inc | Stock | 43,223 | $1.05M | 0.2% | +3,432+8.6% | Added | History |
| NCNOnCino, Inc. | COM | 36,732 | $1.03M | 0.2% | −88,091−70.6% | Reduced | History |
| TAT&T Inc. | Stock | 28,355 | $820.6K | 0.2% | −11,133−28.2% | Reduced | History |
| GNLGlobal Net Lease, Inc. | COM NEW | 105,552 | $796.9K | 0.2% | 00.0% | Unchanged | History |
| XOMExxonMobil Holdings Corp | COM | 7,235 | $779.9K | 0.2% | 00.0% | Unchanged | History |
| CELCCelcuity Inc. | COM | 53,990 | $720.8K | 0.1% | −320−0.6% | Reduced | History |
| SHOPShopify Inc. | Stock | 5,708 | $658.4K | 0.1% | +255+4.7% | Added | History |
| DVNDevon Energy Corp | Stock | 20,311 | $646.1K | 0.1% | −21,511−51.4% | Reduced | History |
| METAMeta Platforms, Inc. | Stock | 839 | $619.3K | 0.1% | 00.0% | Unchanged | History |
| SBUXStarbucks Corp | Stock | 5,642 | $517.0K | 0.1% | +770+15.8% | Added | History |
| CVLTCommvault Systems Inc | COM | 2,879 | $501.9K | 0.1% | −53−1.8% | Reduced | History |
| HIMXHimax Technologies, Inc. | SPONSORED ADR | 54,580 | $487.4K | 0.1% | 00.0% | Unchanged | History |
| PYPLPayPal Holdings, Inc. | Stock | 6,517 | $484.3K | 0.1% | −76−1.2% | Reduced | History |
| APPSDigital Turbine, Inc. | COM NEW | 81,839 | $482.9K | 0.1% | −15,536−16.0% | Reduced | History |
| TECHBIO-TECHNE Corp | COM | 9,270 | $476.9K | 0.1% | +327+3.7% | Added | History |
| MRVLMarvell Technology, Inc. | COM | 6,096 | $471.8K | 0.1% | −4,953−44.8% | Reduced | History |
| TTDTrade Desk, Inc. | Stock | 6,512 | $468.8K | 0.1% | −87−1.3% | Reduced | History |
| GOOGLAlphabet Inc. | Stock | 2,556 | $450.4K | 0.1% | 00.0% | Unchanged | History |
| SHOOSteven Madden, Ltd. | COM | 17,583 | $421.6K | 0.1% | +12,340+235.4% | Added | History |
| LTHLife Time Group Holdings, Inc. | COMMON STOCK | 13,599 | $412.5K | 0.1% | 00.0% | Unchanged | History |
| WEAVWeave Communications, Inc. | Stock | 45,214 | $376.2K | 0.1% | +3,222+7.7% | Added | History |
| MUMicron Technology Inc | Stock | 3,003 | $370.1K | 0.1% | −134−4.3% | Reduced | History |
| MSFTMicrosoft Corp | Stock | 692 | $344.2K | 0.1% | −12−1.7% | Reduced | History |
| MRKMerck & Co., Inc. | Stock | 4,040 | $319.8K | 0.1% | 00.0% | Unchanged | History |
| ATNMActinium Pharmaceuticals, Inc. | COM | 226,622 | $317.3K | 0.1% | 00.0% | Unchanged | History |
| CGNXCognex Corp | COM | 9,724 | $308.4K | 0.1% | −167−1.7% | Reduced | History |
| BLZEBackblaze, Inc. | COM CL A | 55,129 | $303.2K | 0.1% | −644−1.2% | Reduced | History |
| GRSDGRANDSTAND Ltd | ORDINARY SHARES | 22,442 | $266.8K | 0.1% | −330−1.4% | Reduced | History |
| DRRXDurect Corp | COM NEW | 403,884 | $256.5K | 0.1% | 00.0% | Unchanged | History |
| ETSYEtsy Inc | COM | 4,990 | $250.3K | 0.1% | 00.0% | Unchanged | History |
| MBLYMobileye Global Inc. | Stock | 13,892 | $249.8K | 0.1% | 00.0% | Unchanged | History |
| VIAVViavi Solutions Inc. | COM | 23,851 | $240.2K | <0.1% | −417−1.7% | Reduced | History |
| WBAWalgreens Boots Alliance, Inc. | COM | 20,184 | $231.7K | <0.1% | 00.0% | Unchanged | History |
| RNGRingCentral, Inc. | CL A | 8,011 | $227.1K | <0.1% | −144−1.8% | Reduced | History |
| Ces Energy Solutions Corp15713J104 | COM | 46,180 | $224.4K | <0.1% | 00.0% | Unchanged | – |
| GDRXGoodRx Holdings, Inc. | COM CL A | 43,750 | $217.9K | <0.1% | −49,393−53.0% | Reduced | History |
| AKAMAkamai Technologies Inc | COM | 2,535 | $202.2K | <0.1% | −4,397−63.4% | Reduced | History |
| DHXDhi Group, Inc. | COM | 56,401 | $167.5K | <0.1% | −843−1.5% | Reduced | History |
| WBDWarner Bros. Discovery, Inc. | Stock | 14,576 | $167.0K | <0.1% | 00.0% | Unchanged | History |
| YEXTYext, Inc. | COM | 12,944 | $110.0K | <0.1% | +7+0.1% | Added | History |
| RNTXRein Therapeutics, Inc. | COM NEW | 71,745 | $100.4K | <0.1% | 00.0% | Unchanged | History |
| PETSPetmed Express Inc | COM | 23,889 | $79.3K | <0.1% | 00.0% | Unchanged | History |
Sold out since Q1 2025 (12)
Positions held at the end of Q1 2025 that are gone from this filing.
| Security | Class | Shares in Q1 2025 | Value in Q1 2025 | % of portfolio in Q1 2025 | History |
|---|---|---|---|---|---|
| ETWOE2open Parent Holdings, Inc. | COM CL A | 3,820,311 | $7.64M | 1.7% | History |
| Veren Inc92340V107 | COM NEW | 1,124,330 | $7.44M | 1.6% | – |
| MXCTMaxcyte, Inc. | COM | 1,048,318 | $2.86M | 0.6% | History |
| IONQIonQ, Inc. | COM | 111,348 | $2.46M | 0.5% | History |
| QSRRestaurant Brands International Inc. | COM | 5,658 | $377.0K | 0.1% | History |
| EOGEOG Resources Inc | Stock | 2,423 | $310.7K | 0.1% | History |
| BXBlackstone Inc. | COM | 1,973 | $275.8K | 0.1% | History |
| ONTOOnto Innovation Inc. | COM | 1,547 | $187.7K | <0.1% | History |
| WFCWells Fargo & Company | Stock | 1,925 | $138.2K | <0.1% | History |
| VCELVericel Corp | COM | 3,062 | $136.6K | <0.1% | History |
| GAPGap Inc | COM | 5,668 | $116.8K | <0.1% | History |
| LABStandard Biotools Inc. | COM | 24,677 | $26.7K | <0.1% | History |