13F HOLDINGS REPORT
GAGNON SECURITIES LLC
Quarter ended Q3 2025 · Filed November 3, 2025 · Accession 0001019056-25-000228
Total Value
$498.5M
Positions
86
Other Managers
0
Confidential Omitted
No
Holdings (86)
| # | Issuer | Ticker / CUSIP | Shares | Value | % of Filing |
|---|---|---|---|---|---|
| 1 | AIR LEASE CORP | AIIR | 605,618 | $38.5M | 7.73% |
| 2 | ENSIGN GROUP INC | ENSG | 183,030 | $31.6M | 6.34% |
| 3 | GENEDX HOLDINGS CORP | WGSWW | 269,066 | $29.0M | 5.82% |
| 4 | AMERESCO INC | AMRC | 859,409 | $28.9M | 5.79% |
| 5 | CAREDX INC | CDNA | 1,729,425 | $25.1M | 5.04% |
| 6 | FRESHWORKS INC | FRSH | 1,865,818 | $22.0M | 4.41% |
| 7 | INTUITIVE SURGICAL INC | ISRG | 43,359 | $19.4M | 3.89% |
| 8 | ENTERPRISE PRODS PARTNERS L P | 293792107 | 528,752 | $16.5M | 3.32% |
| 9 | TREACE MED CONCEPTS INC | 89455T109 | 2,258,238 | $15.2M | 3.04% |
| 10 | BLACKLINE INC | BL | 278,919 | $14.8M | 2.97% |
| 11 | BIOLIFE SOLUTIONS INC | BLFS | 535,757 | $13.7M | 2.74% |
| 12 | EQUINIX INC | EQIX | 17,253 | $13.5M | 2.71% |
| 13 | NAVIGATOR HLDGS LTD | NVGS | 865,860 | $13.4M | 2.69% |
| 14 | GENERAC HLDGS INC | GNRC | 77,561 | $13.0M | 2.60% |
| 15 | CHEESECAKE FACTORY INC | CAKE | 227,336 | $12.4M | 2.49% |
| 16 | ASPEN AEROGELS INC | ASPN | 1,754,833 | $12.2M | 2.45% |
| 17 | PACIRA BIOSCIENCES INC | PCRX | 449,717 | $11.6M | 2.32% |
| 18 | CARGURUS INC | CARG | 272,308 | $10.1M | 2.03% |
| 19 | CARMAX INC | KMX | 225,629 | $10.1M | 2.03% |
| 20 | EXACT SCIENCES CORP | 30063P105 | 179,442 | $9.8M | 1.97% |
| 21 | VERTEX INC | VERX | 378,685 | $9.4M | 1.88% |
| 22 | PROFOUND MED CORP | PROF | 1,733,040 | $8.5M | 1.70% |
| 23 | DOUBLEVERIFY HLDGS INC | DV | 679,917 | $8.1M | 1.63% |
| 24 | FIVE9 INC | FIVN | 299,403 | $7.2M | 1.45% |
| 25 | MarineMax Inc | HZO | 261,349 | $6.6M | 1.33% |
| 26 | POWER SOLUTIONS INTL INC | 73933G202 | 64,770 | $6.4M | 1.28% |
| 27 | ALPHA & OMEGA SEMICONDUCTOR LT | AOSL | 215,349 | $6.0M | 1.21% |
| 28 | AMPLITUDE INC | AMPL | 510,731 | $5.5M | 1.10% |
| 29 | PROTO LABS INC | PRLB | 108,749 | $5.4M | 1.09% |
| 30 | OraSure Technologies Inc | OSUR | 1,594,771 | $5.1M | 1.03% |
| 31 | CHIPOTLE MEXICAN GRILL INC | CMG | 120,395 | $4.7M | 0.95% |
| 32 | CARETRUST REIT INC | CTRE | 135,685 | $4.7M | 0.94% |
| 33 | BOSTON BEER INC | SAM | 21,508 | $4.5M | 0.91% |
| 34 | KALTURA INC | KLTR | 2,885,976 | $4.2M | 0.83% |
| 35 | NVIDIA CORPORATION | NVDA | 20,573 | $3.8M | 0.77% |
| 36 | WHITECAP RES INC | WCPRF | 486,570 | $3.7M | 0.74% |
| 37 | QUIDELORTHO CORP | QDEL | 122,499 | $3.6M | 0.72% |
| 38 | PENNANT GROUP INC | PNTG | 141,682 | $3.6M | 0.72% |
| 39 | ICU MED INC | ICUI | 28,751 | $3.4M | 0.69% |
| 40 | CELCUITY INC | CELC | 53,955 | $2.7M | 0.53% |
| 41 | TAPESTRY INC | TPR | 21,453 | $2.4M | 0.49% |
| 42 | MICROCHIP TECHNOLOGY INC. | MCHPP | 27,025 | $1.7M | 0.35% |
| 43 | GLOBAL NET LEASE INC | GNL-PE | 193,790 | $1.6M | 0.32% |
| 44 | GENTEX CORP | GNTX | 55,214 | $1.6M | 0.31% |
| 45 | SL GREEN RLTY CORP | 78440X887 | 25,986 | $1.6M | 0.31% |
| 46 | NINTENDO LTD | NODK | 70,150 | $1.5M | 0.30% |
| 47 | CNFINANCE HLDGS LTD | CNF | 317,201 | $1.3M | 0.27% |
| 48 | PFIZER INC | PFE | 43,160 | $1.1M | 0.22% |
| 49 | PATTERSON-UTI ENERGY INC | PTEN | 208,697 | $1.1M | 0.22% |
| 50 | NCINO INC | NCNO | 38,258 | $1.0M | 0.21% |
| 51 | AT&T INC | T-PC | 33,919 | $957,873 | 0.19% |
| 52 | FLAGSTAR BANK NATIONAL ASSOCIA | FLG-PU | 74,953 | $865,707 | 0.17% |
| 53 | EXXON MOBIL CORP | XOM | 7,228 | $814,957 | 0.16% |
| 54 | SHOPIFY INC | SHOP | 5,345 | $794,320 | 0.16% |
| 55 | DEVON ENERGY CORP | 25179M103 | 20,278 | $710,947 | 0.14% |
| 56 | ALPHABET INC | GOOG | 2,556 | $621,364 | 0.12% |
| 57 | META PLATFORMS INC | META | 839 | $616,145 | 0.12% |
| 58 | Bio-Techne Corp | TECH | 9,614 | $534,827 | 0.11% |
| 59 | MARVELL TECHNOLOGY INC | MRVL | 6,327 | $531,911 | 0.11% |
| 60 | DIGITAL TURBINE INC | APPS | 81,839 | $523,770 | 0.11% |
| 61 | BACKBLAZE INC | BLZE | 55,393 | $514,047 | 0.10% |
| 62 | MICRON TECHNOLOGY INC | MU | 2,938 | $491,586 | 0.10% |
| 63 | HIMAX TECHNOLOGIES INC | HIMX | 54,488 | $481,129 | 0.10% |
| 64 | STARBUCKS CORP | SBUX | 5,638 | $476,975 | 0.10% |
| 65 | ALPHABET INC | GOOG | 1,932 | $470,539 | 0.09% |
| 66 | COMMVAULT SYS INC | CVLT | 2,418 | $456,470 | 0.09% |
| 67 | Cognex Corp | CGNX | 9,772 | $442,672 | 0.09% |
| 68 | PAYPAL HLDGS INC | PYPL | 6,581 | $441,322 | 0.09% |
| 69 | MACOM TECH SOLUTIONS HLDGS INC | 55405Y100 | 3,142 | $391,148 | 0.08% |
| 70 | LIFE TIME GROUP HOLDINGS INC | LTH | 13,538 | $373,649 | 0.07% |
| 71 | ACTINIUM PHARMACEUTICALS INC | ATNM | 226,257 | $362,011 | 0.07% |
| 72 | MERCK & CO INC | MRK | 4,038 | $338,909 | 0.07% |
| 73 | ETSY INC | ETSY | 4,970 | $329,958 | 0.07% |
| 74 | CES ENERGY SOLUTIONS CORP | 15713J104 | 46,075 | $310,942 | 0.06% |
| 75 | VIAVI SOLUTIONS INC | VIAV | 23,992 | $304,458 | 0.06% |
| 76 | WEAVE COMMUNICATIONS INC | WEAV | 45,543 | $304,227 | 0.06% |
| 77 | ONTO INNOVATION INC | ONTO | 2,242 | $289,711 | 0.06% |
| 78 | RAMBUS INC DEL | RMBS | 2,711 | $282,486 | 0.06% |
| 79 | MICROSOFT CORP | MSFT | 506 | $262,083 | 0.05% |
| 80 | REIN THERAPEUTICS INC | RNTX | 228,692 | $261,852 | 0.05% |
| 81 | RINGCENTRAL INC | RNG | 8,122 | $230,177 | 0.05% |
| 82 | GAMBLING COM GROUP LIMITED | GAMB | 23,062 | $188,647 | 0.04% |
| 83 | GOODRX HLDGS INC | GDRX | 44,063 | $186,386 | 0.04% |
| 84 | SAVERS VALUE VLG INC | 80517M109 | 13,764 | $182,373 | 0.04% |
| 85 | PETMED EXPRESS INC | PETS | 23,841 | $59,841 | 0.01% |
| 86 | REDHILL BIOPHARMA LTD | RDHL | 17,822 | $38,674 | 0.01% |