GAGNON SECURITIES LLC
Reported holdings as of Q2 2026, from 31 quarterly filings.
Holdings
| Security | Ticker | Value | Shares | Weight | Weight change | Held | Change |
|---|---|---|---|---|---|---|---|
| CAREDX INC | CDNA | $50.5M | 1,770,735 | +2.67pp | 31q | +0.5%+$252.5K | |
| GENEDX HOLDINGS CORP | WGS | $36.0M | 524,865 | +2.45pp | 13q | +73.1%+$15.2M | |
| ENSIGN GROUP INC | ENSG | $27.9M | 173,911 | -2.98pp | 31q | -3.2%-$923.3K | |
| AMERESCO INC | AMRC | $22.8M | 826,562 | -0.55pp | 31q | -1.6%-$372.6K | |
| GENERAC HLDGS INC | GNRC | $21.4M | 73,170 | +0.75pp | 31q | -2.3%-$510.4K | |
| ENTERPRISE PRODS PARTNERS L | EPD | $18.8M | 510,576 | -0.87pp | 31q | -0.7%-$135.3K | |
| QUIDELORTHO CORP | QDEL | $18.0M | 1,030,371 | +1.95pp | 17q | +155.5%+$11.0M | |
| CHEESECAKE FACTORY INC | CAKE | $17.6M | 221,792 | +0.56pp | 31q | -1.4%-$259.0K | |
| EQUINIX INC | EQIX | $17.4M | 16,720 | -0.48pp | 31q | -1.4%-$240.8K | |
| CARMAX INC | KMX | $17.2M | 325,410 | +0.34pp | 31q | +5.1%+$831.0K | |
| FRESHWORKS INC | FRSH | $15.8M | 1,563,866 | -0.16pp | 20q | -9.7%-$1.7M | |
| PACIRA BIOSCIENCES INC | PCRX | $15.4M | 608,617 | -0.25pp | 29q | -1.4%-$225.6K | |
| FIVE9 INC | FIVN | $15.4M | 722,698 | +0.79pp | 31q | +16.2%+$2.1M | |
| HINGE HEALTH INC | HNGE | $15.2M | 182,959 | +1.82pp | 2q | +47.3%+$4.9M | |
| BIOLIFE SOLUTIONS INC | BLFS | $15.1M | 535,906 | +0.55pp | 25q | HELD | |
| PROFOUND MED CORP | PROF | $13.0M | 1,960,074 | -0.40pp | 27q | +0.8%+$104.7K | |
| CARGURUS INC | CARG | $12.5M | 367,073 | +0.28pp | 16q | +35.2%+$3.3M | |
| TREACE MED CONCEPTS INC | TMCI | $12.1M | 3,029,543 | +0.71pp | 9q | -41.8%-$8.6M | |
| 000000000 | $11.7M | 765,179 | - | new | NEW | ||
| INTUITIVE SURGICAL INC | ISRG | $11.6M | 29,144 | -1.13pp | 31q | -7.8%-$984.3K | |
| BLACKLINE INC | BL | $10.5M | 375,769 | -0.50pp | 31q | +26.8%+$2.2M | |
| ASPEN AEROGELS INC | ASPN | $9.7M | 1,535,812 | +0.41pp | 5q | -17.5%-$2.1M | |
| PROTO LABS INC | PRLB | $9.5M | 116,283 | +0.37pp | 30q | +4.9%+$439.7K | |
| VERTEX INC | VERX | $8.7M | 761,026 | +0.40pp | 11q | +62.5%+$3.4M | |
| AMPLITUDE INC | AMPL | $8.1M | 1,055,508 | -0.11pp | 4q | HELD | |
| MARINEMAX INC | HZO | $7.7M | 211,480 | +0.11pp | 4q | -4.1%-$334.3K | |
| ORASURE TECHNOLOGIES INC | OSUR | $7.1M | 1,592,147 | +0.18pp | 6q | -7.1%-$545.2K | |
| DOUBLEVERIFY HLDGS INC | DV | $5.7M | 523,328 | +0.02pp | 11q | +7.1%+$377.9K | |
| CELCUITY INC | CELC | $5.6M | 53,240 | -0.33pp | 31q | HELD | |
| CHIPOTLE MEXICAN GRILL INC | CMG | $5.3M | 155,463 | -0.15pp | 31q | -1.5%-$81.1K | |
| CARETRUST REIT INC | CTRE | $5.2M | 129,955 | -0.11pp | 31q | -2.3%-$124.7K | |
| PENNANT GROUP INC | PNTG | $5.0M | 135,035 | -0.01pp | 27q | -1.8%-$90.5K | |
| WHITECAP RESOURCES INC | WCPRF | $4.5M | 435,100 | -0.26pp | 6q | HELD | |
| ICU MED INC | ICUI | $4.3M | 29,400 | -0.06pp | 14q | -1.2%-$50.3K | |
| KALTURA INC | KLTR | $4.2M | 3,266,999 | -0.10pp | 13q | HELD | |
| MICROCHIP TECHNOLOGY INC. | MCHP | $2.4M | 26,229 | +0.06pp | 31q | -2.3%-$55.5K | |
| GENTEX CORP | GNTX | $1.4M | 57,159 | -0.01pp | 31q | HELD | |
| GLOBAL NET LEASE INC | GNL | $1.4M | 160,598 | -0.09pp | 12q | -5.6%-$85.2K | |
| SL GREEN RLTY CORP | SLG | $1.3M | 25,862 | +0.04pp | 18q | HELD | |
| BOSTON BEER INC | SAM | $1.3M | 7,283 | -0.14pp | 17q | +0.6%+$7.8K | |
| NCINO INC | NCNO | $1.2M | 75,333 | -0.04pp | 7q | -5.3%-$68.5K | |
| FLAGSTAR BANK NATIONAL ASSOC | FLG | $1.1M | 74,456 | -0.01pp | 9q | HELD | |
| DIGITAL TURBINE INC | APPS | $1.1M | 81,839 | +0.15pp | 14q | HELD | |
| WEAVE COMMUNICATIONS INC | WEAV | $998.7K | 157,170 | +0.16pp | 7q | +359.3%+$781.3K | |
| DOCUSIGN INC | DOCU | $928.6K | 20,906 | -0.05pp | 2q | -1.5%-$14.5K | |
| CNFINANCE HLDGS LTD | CNF | $920.6K | 332,345 | -0.11pp | 4q | +5.9%+$51.0K | |
| ALPHABET INC | GOOGL | $913.4K | 2,556 | +0.01pp | 22q | HELD | |
| MARVELL TECHNOLOGY INC | MRVL | $870.7K | 2,923 | +0.01pp | 22q | -57.2%-$1.2M | |
| BIO-TECHNE CORP | TECH | $864.0K | 12,230 | +0.05pp | 12q | +23.8%+$166.1K | |
| DEVON ENERGY CORP NEW | DVN | $785.9K | 19,021 | -0.07pp | 22q | HELD | |
| MICRON TECHNOLOGY INC | MU | $783.8K | 679 | +0.07pp | 14q | -37.0%-$459.4K | |
| Nintendo Co Ltd | NTDOY | $740.7K | 70,675 | -0.09pp | 31q | +1.4%+$10.2K | |
| COGNEX CORP | CGNX | $709.6K | 9,798 | +0.03pp | 10q | HELD | |
| NVIDIA CORPORATION | NVDA | $699.9K | 3,498 | -0.01pp | 13q | -4.3%-$31.4K | |
| COMMVAULT SYS INC | CVLT | $690.8K | 4,874 | +0.05pp | 15q | +11.4%+$70.6K | |
| ALPHABET INC | GOOG | $681.6K | 1,929 | flat | 4q | HELD | |
| ONTO INNOVATION INC | ONTO | $646.8K | 1,709 | +0.02pp | 4q | -23.8%-$201.7K | |
| AT&T INC | T | $639.6K | 30,898 | -0.09pp | 31q | -3.7%-$24.8K | |
| HIMAX TECHNOLOGIES INC | HIMX | $605.9K | 39,498 | +0.04pp | 10q | -11.8%-$80.9K | |
| PFIZER INC | PFE | $562.2K | 23,346 | -0.18pp | 31q | -47.3%-$503.6K | |
| LIFE TIME GROUP HOLDINGS INC | LTH | $549.9K | 13,465 | +0.02pp | 12q | -0.6%-$3.5K | |
| MACOM TECH SOLUTIONS HLDGS I | MTSI | $487.3K | 1,281 | -0.09pp | 4q | -65.1%-$908.7K | |
| VIAVI SOLUTIONS INC | VIAV | $476.8K | 9,986 | -0.02pp | 26q | -31.2%-$216.1K | |
| META PLATFORMS INC | META | $472.6K | 839 | -0.02pp | 14q | HELD | |
| SHOPIFY INC | SHOP | $459.3K | 4,023 | -0.02pp | 16q | +2.3%+$10.4K | |
| ETSY INC | ETSY | $433.5K | 5,755 | +0.02pp | 11q | HELD | |
| STARBUCKS CORP | SBUX | $413.4K | 4,045 | flat | 17q | -0.6%-$2.7K | |
| MERCK & CO INC | MRK | $409.5K | 3,187 | -0.01pp | 24q | HELD | |
| CES ENERGY SOLUTIONS CORP | $389.5K | 33,350 | -0.03pp | 31q | HELD | ||
| AKAMAI TECHNOLOGIES INC | AKAM | $373.9K | 3,163 | flat | 3q | +9.2%+$31.6K | |
| WARBY PARKER INC | WRBY | $345.3K | 11,381 | - | new | NEW | |
| RINGCENTRAL INC | RNG | $332.0K | 8,517 | -0.01pp | 11q | +1.1%+$3.7K | |
| VERICEL CORP | VCEL | $324.9K | 7,303 | - | new | NEW | |
| BEYOND MEAT INC | $286.0K | 381,271 | - | new | DEBT | ||
| PLANET LABS PBC | PL | $276.7K | 8,352 | flat | 2q | HELD | |
| ELECTROVAYA INC | ELVA | $276.2K | 26,307 | +0.01pp | 2q | HELD | |
| REIN THERAPEUTICS INC | RNTX | $238.2K | 229,070 | -0.03pp | 11q | -4.4%-$10.9K | |
| RAMBUS INC DEL | RMBS | $236.0K | 1,778 | -0.01pp | 4q | -34.7%-$125.3K | |
| BLACKSTONE INC | BX | $228.3K | 1,940 | -0.01pp | 3q | HELD | |
| MICROSOFT CORP | MSFT | $207.4K | 556 | -0.01pp | 16q | +2.0%+$4.1K | |
| ACTINIUM PHARMACEUTICALS INC | ATNM | $178.5K | 182,142 | -0.01pp | 6q | -9.5%-$18.8K | |
| PATTERSON-UTI ENERGY INC | PTEN | $159.9K | 17,420 | -0.76pp | 12q | -94.5%-$2.7M | |
| REDHILL BIOPHARMA LTD | RDHL | $74.7K | 88,405 | flat | 4q | HELD |
By sector
Industry comes from the SIC code on each company's own SEC filings, which is self-reported and sometimes out of date. Derivative exposure is counted with the shares. Securities the SEC assigns no industry - funds, trusts, foreign issues - are shown as not classified rather than dropped.
| Sector | Value | Share |
|---|---|---|
| Healthcare Services | $124.9M | 24.1% |
| Software & IT Services | $103.1M | 19.9% |
| Medical Devices | $63.6M | 12.3% |
| Retail & Consumer | $48.3M | 9.3% |
| Biotech & Pharma | $36.1M | 7.0% |
| Semiconductors & Electronics | $28.5M | 5.5% |
| Real Estate | $25.4M | 4.9% |
| Energy | $24.2M | 4.7% |
| Construction & Building | $22.8M | 4.4% |
| Wholesale & Distribution | $9.7M | 1.9% |
| Industrials | $9.5M | 1.8% |
| Other sectors | $9.4M | 1.8% |
| Not classified | $13.1M | 2.5% |
Quarter by quarter
| Quarter | Value | Positions | New | Added | Trimmed | Exited | Top 10 | Days to file |
|---|---|---|---|---|---|---|---|---|
| Q2 2026 | $518.8M | 83 | 4 | 22 | 36 | 6 | 47.7% | 36 |
| Q1 2026 | $433.2M | 85 | 6 | 31 | 25 | 7 | 47.1% | 22 |
| Q4 2025 | $491.1M | 86 | 2 | 25 | 31 | 2 | 48.2% | 44 |
| Q3 2025 | $498.5M | 86 | 9 | 24 | 33 | 10 | 48.3% | 34 |
| Q2 2025 | $492.4M | 87 | 1 | 29 | 30 | 12 | 49.2% | 23 |
| Q1 2025 | $454.5M | 98 | 8 | 40 | 39 | 1 | 46.6% | 39 |
| Q4 2024 | $496.3M | 91 | 3 | 29 | 32 | 14 | 48.3% | 24 |
| Q3 2024 | $504.4M | 102 | 11 | 29 | 39 | 6 | 49.3% | 43 |
| Q2 2024 | $444.0M | 97 | 6 | 33 | 46 | 7 | 46.4% | 45 |
| Q1 2024 | $422.5M | 98 | 6 | 36 | 37 | 10 | 47.3% | 43 |
| Q4 2023 | $416.6M | 102 | 13 | 22 | 50 | 8 | 48.3% | 45 |
| Q3 2023 | $399.1M | 97 | 7 | 30 | 36 | 7 | 46.4% | 45 |
| Q2 2023 | $480.9M | 97 | 5 | 37 | 29 | 20 | 45.7% | 39 |
| Q1 2023 | $475.8M | 112 | 13 | 39 | 27 | 6 | 45.0% | 10 |
| Q4 2022 | $452.9M | 105 | 10 | 23 | 48 | 6 | 47.3% | 38 |
| Q3 2022 | $454.8M | 101 | 7 | 30 | 34 | 7 | 45.7% | 45 |
| Q2 2022 | $477.1M | 101 | 8 | 53 | 18 | 10 | 44.6% | 32 |
| Q1 2022 | $613.2M | 103 | 9 | 66 | 11 | 11 | 47.5% | 39 |
| Q4 2021 | $666.8M | 105 | 5 | 50 | 23 | 12 | 45.3% | 39 |
| Q3 2021 | $673.1M | 112 | 11 | 33 | 22 | 10 | 41.7% | 43 |
| Q2 2021 | $704.3M | 111 | 10 | 51 | 16 | 7 | 45.2% | 28 |
| Q1 2021 | $656.7M | 108 | 21 | 44 | 29 | 12 | 46.8% | 44 |
| Q4 2020 | $628.1M | 99 | 7 | 51 | 13 | 6 | 50.7% | 43 |
| Q3 2020 | $469.0M | 98 | 10 | 24 | 25 | 2 | 47.4% | 43 |
| Q2 2020 | $413.0M | 90 | 8 | 16 | 36 | 14 | 47.7% | 44 |
| Q1 2020 | $294.3M | 96 | 11 | 27 | 42 | 8 | 49.6% | 41 |
| Q4 2019 | $456.9M | 93 | 9 | 9 | 47 | 11 | 43.7% | 45 |
| Q3 2019 | $422.6M | 95 | 3 | 23 | 31 | 5 | 42.2% | 39 |
| Q2 2019 | $463.8M | 97 | 3 | 34 | 26 | 3 | 43.2% | 43 |
| Q1 2019 | $458.7M | 97 | 9 | 44 | 21 | 5 | 42.7% | 43 |
| Q4 2018 | $376.0M | 93 | 0 | 0 | 0 | 0 | 47.1% | 18 |
Rows marked UNVERIFIED ID, PLACEHOLDER ID, TICKER AS ID or NON-CUSIP ID carry an identifier that is not a valid CUSIP. They are shown because the filer reported that money, but treat the security named with caution - hover the chip for what is wrong with it, and see the methodology.
Held counts consecutive filings in which this manager reported the position, and can reach further back than the quarters listed above: the tabs begin at Q4 2018 because earlier coverage is too sparse to describe a market, but tenure is counted over every filing we hold, some reaching to 2007. A position sold and later rebought starts again from one.
Weight change is the shift in this position's share of the whole book, in percentage points. It is the more useful column: when money flows into or out of a broad fund, almost every holding is bought or sold at once, so added and trimmed largely track flows. A weight that rose while the book shrank is a decision. Both compare with the previous quarter this filer reported, not the previous calendar quarter.