Gagnon Securities
Latest statistics and disclosures from Gagnon Securities's latest quarterly 13F-HR filing:
- Top 5 stock holdings are CDNA, WGS, AL, ENSG, AMRC, and represent 31.40% of Gagnon Securities's stock portfolio.
- Added to shares of these 10 stocks: FIVN (+$6.5M), KMX, AMPL, TMCI, PROF, HZO, CMG, PCRX, QDEL, NCNO.
- Started 2 new stock positions in BX, AKAM.
- Reduced shares in these 10 stocks: FRSH (-$7.8M), AL (-$7.0M), ISRG (-$6.5M), , SAM, DV, WGS, ASPN, EXAS, AMRC.
- Sold out of its positions in BLZE, PSIX.
- Gagnon Securities was a net seller of stock by $-16M.
- Gagnon Securities has $491M in assets under management (AUM), dropping by -1.49%.
- Central Index Key (CIK): 0001125725
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Portfolio Holdings for Gagnon Securities
Gagnon Securities holds 86 positions in its portfolio as reported in the December 2025 quarterly 13F filing
| Company (Ticker) | Portfolio Weight | Valued At | Change in Shares | Share Count | Share Price | |
|---|---|---|---|---|---|---|
| Caredx (CDNA) | 6.8 | $33M | +2% | 1.8M | 18.84 |
|
| Genedx Holdings Corp Com Cl A (WGS) | 6.7 | $33M | -5% | 254k | 130.06 |
|
| Air Lease Corp Cl A (AL) | 6.5 | $32M | -17% | 497k | 64.23 |
|
| Ensign (ENSG) | 6.4 | $32M | 181k | 174.20 |
|
|
| Ameresco Cl A (AMRC) | 5.0 | $24M | -3% | 833k | 29.29 |
|
| Intuitive Surgical Com New (ISRG) | 3.7 | $18M | -26% | 32k | 566.36 |
|
| EXACT Sciences Corporation (EXAS) | 3.5 | $17M | -6% | 167k | 101.56 |
|
| Enterprise Products Partners (EPD) | 3.4 | $17M | 528k | 32.06 |
|
|
| Blackline (BL) | 3.1 | $15M | 279k | 55.29 |
|
|
| Profound Med Corp (PROF) | 3.1 | $15M | +12% | 1.9M | 7.87 |
|
| Freshworks Class A Com (FRSH) | 3.1 | $15M | -34% | 1.2M | 12.25 |
|
| Navigator Holdings Ltd Com Stk (NVGS) | 3.0 | $15M | 862k | 17.32 |
|
|
| Equinix (EQIX) | 2.7 | $13M | 17k | 766.16 |
|
|
| Pacira Pharmaceuticals (PCRX) | 2.6 | $13M | +11% | 501k | 25.88 |
|
| Biolife Solutions Com New (BLFS) | 2.6 | $13M | 534k | 24.18 |
|
|
| Five9 (FIVN) | 2.6 | $13M | +108% | 626k | 20.05 |
|
| CarMax (KMX) | 2.5 | $12M | +41% | 320k | 38.64 |
|
| Cheesecake Factory Incorporated (CAKE) | 2.3 | $11M | 227k | 50.48 |
|
|
| Cargurus Com Cl A (CARG) | 2.1 | $10M | 271k | 38.35 |
|
|
| Generac Holdings (GNRC) | 2.1 | $10M | -2% | 76k | 136.37 |
|
| Amplitude Com Cl A (AMPL) | 1.6 | $8.1M | +36% | 699k | 11.58 |
|
| MarineMax (HZO) | 1.6 | $7.8M | +23% | 322k | 24.23 |
|
| Treace Med Concepts (TMCI) | 1.6 | $7.6M | +37% | 3.1M | 2.45 |
|
| Vertex (VERX) | 1.5 | $7.3M | -3% | 365k | 19.97 |
|
| Chipotle Mexican Grill (CMG) | 1.2 | $5.8M | +30% | 157k | 37.00 |
|
| Proto Labs Spon Ads New (PRLB) | 1.1 | $5.6M | +2% | 112k | 50.59 |
|
| DV (DV) | 1.1 | $5.6M | -27% | 492k | 11.44 |
|
| Celcuity (CELC) | 1.1 | $5.3M | 53k | 99.74 |
|
|
| Caretrust Reit (CTRE) | 1.0 | $4.8M | 133k | 36.16 |
|
|
| Kaltura (KLTR) | 1.0 | $4.7M | 2.9M | 1.64 |
|
|
| Quidelortho Corp Com New (QDEL) | 0.9 | $4.5M | +29% | 159k | 28.56 |
|
| Alpha & Omega Semiconductor Lt SHS (AOSL) | 0.9 | $4.3M | 216k | 19.81 |
|
|
| ICU Medical, Incorporated (ICUI) | 0.8 | $4.1M | 29k | 142.67 |
|
|
| Whitecap Res Cl A (WCPRF) | 0.8 | $4.1M | 486k | 8.39 |
|
|
| Pennant Group (PNTG) | 0.8 | $3.9M | -2% | 138k | 28.15 |
|
| NVIDIA Corporation (NVDA) | 0.8 | $3.8M | 21k | 186.50 |
|
|
| OraSure Technologies (OSUR) | 0.8 | $3.8M | 1.6M | 2.42 |
|
|
| Aspen Aerogels (ASPN) | 0.7 | $3.2M | -35% | 1.1M | 2.83 |
|
| Tapestry Com Cl A (TPR) | 0.6 | $2.7M | 21k | 127.77 |
|
|
| Patterson-UTI Energy (PTEN) | 0.4 | $2.2M | +69% | 353k | 6.11 |
|
| Cnfinance Hldgs Spon Ads (CNF) | 0.4 | $1.9M | 317k | 6.05 |
|
|
| Ncino Sponsored Ads (NCNO) | 0.4 | $1.9M | +92% | 74k | 25.64 |
|
| Microchip Technology (MCHP) | 0.4 | $1.7M | 27k | 63.72 |
|
|
| Global Net Lease Com New (GNL) | 0.3 | $1.5M | -12% | 171k | 8.60 |
|
| Gentex Corporation (GNTX) | 0.3 | $1.3M | 56k | 23.27 |
|
|
| Boston Beer Cl A (SAM) | 0.3 | $1.2M | -70% | 6.4k | 195.13 |
|
| Nintendo (NTDOY) | 0.2 | $1.2M | 70k | 16.86 |
|
|
| Sl Green Realty Corp (SLG) | 0.2 | $1.2M | 26k | 45.87 |
|
|
| Pfizer Com New (PFE) | 0.2 | $1.1M | +2% | 44k | 24.90 |
|
| Flagstar Bank National Associa Com New (FLG) | 0.2 | $943k | 75k | 12.59 |
|
|
| Exxon Mobil Corporation (XOM) | 0.2 | $864k | 7.2k | 120.34 |
|
|
| At&t (T) | 0.2 | $825k | -2% | 33k | 24.84 |
|
| Alphabet Cap Stk Cl A (GOOGL) | 0.2 | $800k | 2.6k | 313.00 |
|
|
| Devon Energy Corporation (DVN) | 0.1 | $700k | -5% | 19k | 36.63 |
|
| Alphabet Cap Stk Cl C (GOOG) | 0.1 | $609k | 1.9k | 313.80 |
|
|
| Shopify Cl A Sub Vtg Shs (SHOP) | 0.1 | $593k | -31% | 3.7k | 160.97 |
|
| Gambling Com Group Ordinary Shares (GAMB) | 0.1 | $576k | +357% | 106k | 5.46 |
|
| Bio-techne Corporation (TECH) | 0.1 | $565k | 9.6k | 58.81 |
|
|
| M/a (MTSI) | 0.1 | $564k | +4% | 3.3k | 171.28 |
|
| Meta Platforms Cl A (META) | 0.1 | $554k | 839.00 | 660.09 |
|
|
| Marvell Technology Ord (MRVL) | 0.1 | $538k | 6.3k | 84.98 |
|
|
| Weave Communications (WEAV) | 0.1 | $535k | +54% | 71k | 7.59 |
|
| Starbucks Corporation (SBUX) | 0.1 | $463k | -2% | 5.5k | 84.21 |
|
| Himax Technologies Sponsored Adr (HIMX) | 0.1 | $442k | 54k | 8.19 |
|
|
| Viavi Solutions Inc equities (VIAV) | 0.1 | $428k | 24k | 17.82 |
|
|
| Digital Turbine Com New (APPS) | 0.1 | $409k | 82k | 5.00 |
|
|
| Ces Energy Solutions (CESDF) | 0.1 | $409k | 46k | 8.95 |
|
|
| Merck & Co (MRK) | 0.1 | $407k | -4% | 3.9k | 105.26 |
|
| Paypal Holdings (PYPL) | 0.1 | $385k | 6.6k | 58.38 |
|
|
| Life Time Group Holdings Common Stock (LTH) | 0.1 | $360k | 14k | 26.58 |
|
|
| Onto Innovation (ONTO) | 0.1 | $354k | 2.2k | 157.86 |
|
|
| Cognex Corporation (CGNX) | 0.1 | $352k | 9.8k | 35.98 |
|
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| Etsy (ETSY) | 0.1 | $316k | +14% | 5.7k | 55.44 |
|
| CommVault Systems (CVLT) | 0.1 | $308k | 2.5k | 125.36 |
|
|
| Micron Technology (MU) | 0.1 | $307k | -63% | 1.1k | 285.41 |
|
| Aileron Therapeutics (RNTX) | 0.1 | $279k | +5% | 240k | 1.16 |
|
| Actinium Pharmaceuticals (ATNM) | 0.1 | $275k | -10% | 202k | 1.36 |
|
| Rambus (RMBS) | 0.1 | $249k | 2.7k | 91.89 |
|
|
| Microsoft Corporation (MSFT) | 0.1 | $246k | 508.00 | 483.62 |
|
|
| Ringcentral Cl A (RNG) | 0.0 | $235k | 8.1k | 28.88 |
|
|
| Blackstone Group Inc Com Cl A (BX) | 0.0 | $227k | NEW | 1.5k | 154.14 |
|
| Akamai Technologies (AKAM) | 0.0 | $220k | NEW | 2.5k | 87.25 |
|
| PetMed Express (PETS) | 0.0 | $135k | +77% | 42k | 3.20 |
|
| Savers Value Village Ord (SVV) | 0.0 | $129k | 14k | 9.34 |
|
|
| Goodrx Hldgs Com Cl A (GDRX) | 0.0 | $120k | 44k | 2.71 |
|
|
| Redhill Biopharma Sponsored Adr (RDHL) | 0.0 | $89k | +383% | 86k | 1.03 |
|
Past Filings by Gagnon Securities
SEC 13F filings are viewable for Gagnon Securities going back to 2011
- Gagnon Securities 2025 Q4 filed Feb. 13, 2026
- Gagnon Securities 2025 Q3 filed Nov. 3, 2025
- Gagnon Securities 2025 Q2 filed July 23, 2025
- Gagnon Securities 2025 Q1 filed May 9, 2025
- Gagnon Securities 2024 Q4 filed Jan. 24, 2025
- Gagnon Securities 2024 Q3 filed Nov. 12, 2024
- Gagnon Securities 2024 Q2 filed Aug. 14, 2024
- Gagnon Securities 2024 Q1 filed May 13, 2024
- Gagnon Securities 2023 Q4 filed Feb. 14, 2024
- Gagnon Securities 2023 Q3 filed Nov. 14, 2023
- Gagnon Securities 2023 Q2 filed Aug. 8, 2023
- Gagnon Securities 2023 Q1 filed April 10, 2023
- Gagnon Securities 2022 Q4 filed Feb. 7, 2023
- Gagnon Securities 2022 Q3 filed Nov. 14, 2022
- Gagnon Securities 2022 Q2 filed Aug. 1, 2022
- Gagnon Securities 2022 Q1 filed May 9, 2022