Gagnon Securities Llc Portfolio Stock Holdings
Gagnon Securities Llc disclosed 85 stock positions valued at approximately $433.2 million in its latest SEC 13F filing. The largest holdings include ENSIGN GROUP INC, CAREDX INC, and AMERESCO INC. The filing reflects positions held as of March 31, 2026 and was filed on April 22, 2026.
- Report Period
- March 31, 2026
- No. of Stocks
- 85
- Portfolio Value
- $433.2M
Holdings by Sector
Gagnon Securities Llc Portfolio Holdings in Q1 2026
80 holdings in the latest reporting period.
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| Company | Symbol | Sector | Portfolio % | Shares | Change (Shares) | Change % | Value |
|---|---|---|---|---|---|---|---|
| ENSIGN GROUP INC | ENSG | Healthcare | 8.36% | 179,671 | -878 | -0.49% | $36,203,707 |
| CAREDX INC | CDNA | Healthcare | 7.06% | 1,761,874 | -13,016 | -0.73% | $30,586,140 |
| AMERESCO INC | AMRC | Industrials | 4.94% | 840,063 | +7,179 | +0.86% | $21,421,607 |
| GENEDX HOLDINGS CORP | WGS | Healthcare | 4.49% | 303,149 | +49,615 | +19.57% | $19,468,229 |
| ENTERPRISE PRODS PARTNERS L P | EPD | Energy | 4.49% | 514,257 | -13,344 | -2.53% | $19,459,485 |
| NAVIGATOR HLDGS LTD | Y62132108 | Other | 3.96% | 886,631 | +24,777 | +2.87% | $17,138,577 |
| EQUINIX INC | EQIX | Real Estate | 3.84% | 16,951 | -191 | -1.11% | $16,616,048 |
| GENERAC HLDGS INC | GNRC | Industrials | 3.38% | 74,913 | -680 | -0.90% | $14,632,756 |
| INTUITIVE SURGICAL INC | ISRG | Healthcare | 3.36% | 31,619 | -178 | -0.56% | $14,576,048 |
| PACIRA BIOSCIENCES INC | PCRX | Healthcare | 3.22% | 617,510 | +116,299 | +23.20% | $13,955,726 |
| FRESHWORKS INC | FRSH | Technology | 3.21% | 1,731,367 | +501,356 | +40.76% | $13,902,877 |
| CARMAX INC | KMX | Consumer Cyclical | 2.97% | 309,699 | -10,378 | -3.24% | $12,877,284 |
| PROFOUND MED CORP | PROF | Healthcare | 2.91% | 1,944,324 | +263 | +0.01% | $12,599,219 |
| CHEESECAKE FACTORY INC | CAKE | Consumer Cyclical | 2.84% | 225,048 | -1,546 | -0.68% | $12,321,378 |
| BLACKLINE INC | BL | Technology | 2.53% | 296,424 | +17,026 | +6.09% | $10,967,688 |
| BIOLIFE SOLUTIONS INC | BLFS | Healthcare | 2.36% | 536,512 | +2,155 | +0.40% | $10,236,649 |
| FIVE9 INC | FIVN | Technology | 2.18% | 622,064 | -3,662 | -0.59% | $9,436,711 |
| ISHARES TR | SGOV | Other | 2.15% | 92,702 | +92,702 | +100.00% | $9,331,383 |
| CARGURUS INC | CARG | Consumer Cyclical | 2.13% | 271,524 | +702 | +0.26% | $9,245,392 |
| AMPLITUDE INC | AMPL | Technology | 1.67% | 1,059,836 | +360,966 | +51.65% | $7,228,082 |
| TREACE MED CONCEPTS INC | TMCI | Healthcare | 1.61% | 5,201,886 | +2,091,311 | +67.23% | $6,970,527 |
| QUIDELORTHO CORP | QDEL | Healthcare | 1.53% | 403,325 | +244,148 | +153.38% | $6,626,630 |
| ASPEN AEROGELS INC | ASPN | Industrials | 1.47% | 1,861,851 | +728,603 | +64.29% | $6,367,530 |
| PROTO LABS INC | PRLB | Industrials | 1.46% | 110,889 | -659 | -0.59% | $6,322,891 |
| CELCUITY INC | CELC | Healthcare | 1.41% | 53,342 | -59 | -0.11% | $6,088,456 |
| MarineMax Inc | HZO | Consumer Cyclical | 1.38% | 220,610 | -101,443 | -31.50% | $5,969,707 |
| VERICEL CORP | VERX | Technology | 1.29% | 468,220 | +103,577 | +28.41% | $5,567,136 |
| OraSure Technologies Inc | OSUR | Healthcare | 1.19% | 1,714,391 | +144,609 | +9.21% | $5,143,173 |
| CHIPOTLE MEXICAN GRILL INC | CMG | Consumer Cyclical | 1.17% | 157,849 | +874 | +0.56% | $5,052,746 |
| CARETRUST REIT INC | CTRE | Real Estate | 1.13% | 133,046 | -25 | -0.02% | $4,876,136 |
| HINGE HEALTH INC | 433313103 | Other | 1.11% | 124,250 | +124,250 | +100.00% | $4,791,080 |
| DOUBLEVERIFY HLDGS INC | DV | Technology | 1.07% | 488,462 | -3,202 | -0.65% | $4,640,389 |
| PENNANT GROUP INC | PNTG | Healthcare | 0.97% | 137,484 | -42 | -0.03% | $4,190,512 |
| KALTURA INC | KLTR | Technology | 0.92% | 3,278,936 | +417,571 | +14.59% | $4,000,302 |
| ICU MED INC | ICUI | Healthcare | 0.89% | 29,743 | +670 | +2.30% | $3,841,308 |
| ALPHA & OMEGA SEMICONDUCTOR LT | G6331P104 | Other | 0.86% | 167,874 | -47,768 | -22.15% | $3,720,088 |
| PATTERSON-UTI ENERGY INC | PTEN | Energy | 0.79% | 314,646 | -38,131 | -10.81% | $3,407,616 |
| MICROCHIP TECHNOLOGY INC. | MCHP | Technology | 0.40% | 26,838 | -324 | -1.19% | $1,734,015 |
| BOSTON BEER INC | SAM | Consumer Defensive | 0.39% | 7,239 | +884 | +13.91% | $1,667,866 |
| GLOBAL NET LEASE INC | GNL | Real Estate | 0.37% | 170,125 | -385 | -0.23% | $1,592,370 |
| GENTEX CORP | GNTX | Consumer Cyclical | 0.29% | 56,933 | +1,261 | +2.27% | $1,243,995 |
| PFIZER INC | PFE | Healthcare | 0.29% | 44,260 | -93 | -0.21% | $1,242,821 |
| NCINO INC | NCNO | Technology | 0.27% | 79,520 | +6,026 | +8.20% | $1,191,210 |
| DOCUSIGN INC | DOCU | Technology | 0.23% | 21,232 | +21,232 | +100.00% | $1,006,609 |
| NINTENDO LTD | NTDOY | Communication Services | 0.23% | 69,697 | -626 | -0.89% | $995,970 |
| FLAGSTAR BANK NATIONAL ASSOC | NYCB | Other | 0.23% | 74,711 | -156 | -0.21% | $983,944 |
| DEVON ENERGY CORP | DVN | Energy | 0.22% | 19,066 | -45 | -0.24% | $959,401 |
| SL GREEN RLTY CORP | SLG | Real Estate | 0.22% | 25,862 | +24 | +0.09% | $955,342 |
| AT&T INC | T | Communication Services | 0.21% | 32,094 | -1,133 | -3.41% | $930,405 |
| MACOM TECH SOLUTIONS HLDGS INC | MTSI | Technology | 0.19% | 3,670 | +375 | +11.38% | $814,997 |
| ALPHABET INC | GOOGL | Communication Services | 0.17% | 2,556 | - | - | $735,003 |
| MARVELL TECHNOLOGY INC | MRVL | Technology | 0.16% | 6,825 | +498 | +7.87% | $676,017 |
| NVIDIA CORPORATION | NVDA | Technology | 0.15% | 3,655 | -16,862 | -82.19% | $637,432 |
| ALPHABET INC | GOOG | Communication Services | 0.13% | 1,934 | -5 | -0.26% | $554,787 |
| Bio-Techne Corp | TECH | Healthcare | 0.12% | 9,879 | +265 | +2.76% | $516,277 |
| VIAVI SOLUTIONS INC | VIAV | Technology | 0.11% | 14,511 | -9,481 | -39.52% | $482,926 |
| META PLATFORMS INC | META | Communication Services | 0.11% | 839 | - | - | $480,017 |
| Cognex Corp | CGNX | Technology | 0.11% | 9,780 | +8 | +0.08% | $479,122 |
| SHOPIFY INC | SHOP | Technology | 0.11% | 3,932 | +248 | +6.73% | $466,414 |
| ONTO INNOVATION INC | ONTO | Technology | 0.11% | 2,242 | - | - | $459,767 |
| MERCK & CO INC | MRK | Healthcare | 0.09% | 3,192 | -675 | -17.46% | $383,966 |
| LIFE TIME GROUP HOLDINGS INC | LTH | Consumer Cyclical | 0.08% | 13,550 | +12 | +0.09% | $365,037 |
| STARBUCKS CORP | SBUX | Consumer Cyclical | 0.08% | 4,071 | -1,431 | -26.01% | $364,721 |
| MICRON TECHNOLOGY INC | MU | Technology | 0.08% | 1,077 | - | - | $363,854 |
| HIMAX TECHNOLOGIES INC | HIMX | Technology | 0.08% | 44,773 | -9,173 | -17.00% | $352,364 |
| COMMVAULT SYS INC | CVLT | Technology | 0.08% | 4,376 | +1,923 | +78.39% | $340,847 |
| AKAMAI TECHNOLOGIES INC | AKAM | Technology | 0.08% | 2,896 | +376 | +14.92% | $332,606 |
| RINGCENTRAL INC | RNG | Technology | 0.07% | 8,422 | +273 | +3.35% | $313,214 |
| REIN THERAPEUTICS INC | ALRN | Healthcare | 0.07% | 239,520 | -700 | -0.29% | $311,376 |
| ETSY INC | ETSY | Consumer Cyclical | 0.07% | 5,773 | +81 | +1.42% | $288,535 |
| EOG RES INC | EOG | Energy | 0.06% | 1,851 | +1,851 | +100.00% | $267,599 |
| DIGITAL TURBINE INC | APPS | Technology | 0.05% | 81,839 | - | - | $235,696 |
| RAMBUS INC | RMBS | Technology | 0.05% | 2,722 | +11 | +0.41% | $234,174 |
| PLANET LABS PBC | PL | Industrials | 0.05% | 8,352 | +8,352 | +100.00% | $233,438 |
| BLACKSTONE INC | BX | Financial Services | 0.05% | 1,940 | +465 | +31.53% | $223,081 |
| ELECTROVAYA INC | ELVA | Industrials | 0.05% | 26,257 | +26,257 | +100.00% | $205,330 |
| MICROSOFT CORP | MSFT | Technology | 0.05% | 545 | +37 | +7.28% | $201,743 |
| ACTINIUM PHARMACEUTICALS INC | ATNM | Healthcare | 0.05% | 201,300 | -507 | -0.25% | $200,354 |
| SAVERS VALUE VLG INC | SVV | Consumer Cyclical | 0.04% | 25,148 | +11,384 | +82.71% | $187,101 |
| WEAVE COMMUNICATIONS INC | WEAV | Healthcare | 0.04% | 34,220 | -36,269 | -51.45% | $158,096 |