Gagnon Securities

Gagnon Securities as of Sept. 30, 2025

Portfolio Holdings for Gagnon Securities

Gagnon Securities holds 86 positions in its portfolio as reported in the September 2025 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Air Lease Corp Cl A (AL) 7.7 $39M 606k 63.65
Ensign (ENSG) 6.3 $32M 183k 172.77
Genedx Holdings Corp Com Cl A (WGS) 5.8 $29M 269k 107.74
Ameresco Cl A (AMRC) 5.8 $29M 859k 33.58
Caredx (CDNA) 5.0 $25M 1.7M 14.54
Freshworks Class A Com (FRSH) 4.4 $22M 1.9M 11.77
Intuitive Surgical Com New (ISRG) 3.9 $19M 43k 447.23
Enterprise Products Partners (EPD) 3.3 $17M 529k 31.27
Treace Med Concepts (TMCI) 3.0 $15M 2.3M 6.71
Blackline (BL) 3.0 $15M 279k 53.10
Biolife Solutions Com New (BLFS) 2.7 $14M 536k 25.51
Equinix (EQIX) 2.7 $14M 17k 783.24
Navigator Holdings Ltd Com Stk (NVGS) 2.7 $13M 866k 15.49
Generac Holdings (GNRC) 2.6 $13M 78k 167.40
Cheesecake Factory Incorporated (CAKE) 2.5 $12M 227k 54.64
Aspen Aerogels (ASPN) 2.5 $12M 1.8M 6.96
Pacira Pharmaceuticals (PCRX) 2.3 $12M 450k 25.77
Cargurus Com Cl A (CARG) 2.0 $10M 272k 37.23
CarMax (KMX) 2.0 $10M 226k 44.87
EXACT Sciences Corporation (EXAS) 2.0 $9.8M 179k 54.71
Vertex (VERX) 1.9 $9.4M 379k 24.79
Profound Med Corp (PROF) 1.7 $8.5M 1.7M 4.89
DV (DV) 1.6 $8.1M 680k 11.98
Five9 (FIVN) 1.5 $7.2M 299k 24.20
MarineMax (HZO) 1.3 $6.6M 261k 25.33
2060000 Power Solutions International (PSIX) 1.3 $6.4M 65k 98.22
Alpha & Omega Semiconductor Lt SHS (AOSL) 1.2 $6.0M 215k 27.96
Amplitude Com Cl A (AMPL) 1.1 $5.5M 511k 10.72
Proto Labs Spon Ads New (PRLB) 1.1 $5.4M 109k 50.03
OraSure Technologies (OSUR) 1.0 $5.1M 1.6M 3.21
Chipotle Mexican Grill (CMG) 0.9 $4.7M 120k 39.19
Caretrust Reit (CTRE) 0.9 $4.7M 136k 34.68
Boston Beer Cl A (SAM) 0.9 $4.5M 22k 211.42
Kaltura (KLTR) 0.8 $4.2M 2.9M 1.44
NVIDIA Corporation (NVDA) 0.8 $3.8M 21k 186.58
Whitecap Res Cl A (WCPRF) 0.7 $3.7M 487k 7.63
Quidelortho Corp Com New (QDEL) 0.7 $3.6M 123k 29.45
Pennant Group (PNTG) 0.7 $3.6M 142k 25.22
ICU Medical, Incorporated (ICUI) 0.7 $3.4M 29k 119.96
Celcuity (CELC) 0.5 $2.7M 54k 49.40
Tapestry Com Cl A (TPR) 0.5 $2.4M 22k 113.22
Microchip Technology (MCHP) 0.3 $1.7M 27k 64.22
Global Net Lease Com New (GNL) 0.3 $1.6M 194k 8.13
Gentex Corporation (GNTX) 0.3 $1.6M 55k 28.30
Sl Green Realty Corp (SLG) 0.3 $1.6M 26k 59.81
Nintendo (NTDOY) 0.3 $1.5M 70k 21.34
Cnfinance Hldgs Spon Ads 0.3 $1.3M 317k 4.19
Pfizer Com New (PFE) 0.2 $1.1M 43k 25.48
Patterson-UTI Energy (PTEN) 0.2 $1.1M 209k 5.18
Ncino Sponsored Ads (NCNO) 0.2 $1.0M 38k 27.11
At&t (T) 0.2 $958k 34k 28.24
Flagstar Bank National Associa Com New (FLG) 0.2 $866k 75k 11.55
Exxon Mobil Corporation (XOM) 0.2 $815k 7.2k 112.75
Shopify Cl A Sub Vtg Shs (SHOP) 0.2 $794k 5.3k 148.61
Devon Energy Corporation (DVN) 0.1 $711k 20k 35.06
Alphabet Cap Stk Cl A (GOOGL) 0.1 $621k 2.6k 243.10
Meta Platforms Cl A (META) 0.1 $616k 839.00 734.38
Bio-techne Corporation (TECH) 0.1 $535k 9.6k 55.63
Marvell Technology Ord (MRVL) 0.1 $532k 6.3k 84.07
Digital Turbine Com New (APPS) 0.1 $524k 82k 6.40
Backblaze Com Cl A (BLZE) 0.1 $514k 55k 9.28
Micron Technology (MU) 0.1 $492k 2.9k 167.32
Himax Technologies Sponsored Adr (HIMX) 0.1 $481k 55k 8.83
Starbucks Corporation (SBUX) 0.1 $477k 5.6k 84.60
Alphabet Cap Stk Cl C (GOOG) 0.1 $471k 1.9k 243.55
CommVault Systems (CVLT) 0.1 $457k 2.4k 188.78
Cognex Corporation (CGNX) 0.1 $443k 9.8k 45.30
Paypal Holdings (PYPL) 0.1 $441k 6.6k 67.06
M/a (MTSI) 0.1 $391k 3.1k 124.49
Life Time Group Holdings Common Stock (LTH) 0.1 $374k 14k 27.60
Actinium Pharmaceuticals (ATNM) 0.1 $362k 226k 1.60
Merck & Co (MRK) 0.1 $339k 4.0k 83.93
Etsy (ETSY) 0.1 $330k 5.0k 66.39
Ces Energy Solutions (CESDF) 0.1 $311k 46k 6.75
Viavi Solutions Inc equities (VIAV) 0.1 $305k 24k 12.69
Weave Communications (WEAV) 0.1 $304k 46k 6.68
Onto Innovation (ONTO) 0.1 $290k 2.2k 129.22
Rambus (RMBS) 0.1 $283k 2.7k 104.20
Microsoft Corporation (MSFT) 0.1 $262k 506.00 517.95
Aileron Therapeutics (RNTX) 0.1 $262k 229k 1.15
Ringcentral Cl A (RNG) 0.0 $230k 8.1k 28.34
Gambling Com Group Ordinary Shares (GAMB) 0.0 $189k 23k 8.18
Goodrx Hldgs Com Cl A (GDRX) 0.0 $186k 44k 4.23
Savers Value Village Ord (SVV) 0.0 $182k 14k 13.25
PetMed Express (PETS) 0.0 $60k 24k 2.51
Redhill Biopharma Sponsored Adr (RDHL) 0.0 $39k 18k 2.17