13F-HR filed by GAGNON SECURITIES LLC
GAGNON SECURITIES LLC filed this 13F-HR for the quarter ended 2026-06-30, filed 2026-08-05, with 83 holding rows worth $518,827,266.
- Accession
- 0001019056-26-000123
- Filer
- CIK 1125725
- Filed
- 2026-08-05
- Accepted by EDGAR
- acceptance time not in the bulk data set
- Ingested
- Source
- SEC quarterly data set
13F report for Q2 2026
A holdings report, 85 entries on the cover page, a total value of $518,827,266 stated on the cover page (in dollars after the unit check, H1), rows summing to $518,827,272 with VALUE read as dollars as filed, 13F file number 028-06377. The quarter's positions are built on this report. The resolved quarter.
The information table after summing rows of one CUSIP and put or call (H4), with the CUSIP and issuer name as filed. Values in dollars after the unit check (method).
| Issuer as filed | CUSIP | Class | Amount | Value | Value read as | Type |
|---|---|---|---|---|---|---|
| CAREDX INC | 14167L103 | COM | 1,770,735 | $50,465,960 | dollars as filed | |
| GENEDX HOLDINGS CORP | 81663L200 | COM CL A | 524,865 | $36,031,982 | dollars as filed | |
| ENSIGN GROUP INC | 29358P101 | COM | 173,911 | $27,877,933 | dollars as filed | |
| AMERESCO INC | 02361E108 | CL A | 826,562 | $22,813,111 | dollars as filed | |
| GENERAC HLDGS INC | 368736104 | COM | 73,170 | $21,424,908 | dollars as filed | |
| ENTERPRISE PRODS PARTNERS L | 293792107 | COM | 510,576 | $18,768,774 | dollars as filed | |
| QUIDELORTHO CORP COM | 219798105 | Stock | 1,030,371 | $18,046,948 | dollars as filed | |
| CHEESECAKE FACTORY INC | 163072101 | COM | 221,792 | $17,641,336 | dollars as filed | |
| EQUINIX INC COM | 29444U700 | REIT | 16,720 | $17,428,761 | dollars as filed | |
| CARMAX INC COM | 143130102 | Stock | 325,410 | $17,210,935 | dollars as filed | |
| FRESHWORKS INC CLASS A COM | 358054104 | Stock | 1,563,866 | $15,826,324 | dollars as filed | |
| PACIRA BIOSCIENCES INC COM | 695127100 | Stock | 608,617 | $15,440,613 | dollars as filed | |
| FIVE9 INC | 338307101 | COM | 722,698 | $15,407,921 | dollars as filed | |
| HINGE HEALTH INC A | 433313103 | COMMON STOCK | 182,959 | $15,185,597 | dollars as filed | |
| BIOLIFE SOLUTIONS INC COM NEW | 09062W204 | Stock | 535,906 | $15,133,985 | dollars as filed | |
| PROFOUND MED CORP | 74319B502 | COM NEW | 1,960,074 | $13,034,492 | dollars as filed | |
| CARGURUS INC COM CL A | 141788109 | Stock | 367,073 | $12,513,519 | dollars as filed | |
| TREACE MED CONCEPTS INC | 89455T109 | COM | 3,029,543 | $12,057,581 | dollars as filed | |
| 0 | 000000000 | 0 | 765,179 | $11,697,619 | dollars as filed | |
| Intuitive Surgical,Inc. | 46120E602 | COM | 29,144 | $11,589,991 | dollars as filed | |
| BLACKLINE, INC. | 09239B109 | COM | 375,769 | $10,547,836 | dollars as filed | |
| ASPEN AEROGELS INC | 04523Y105 | COMMON STOCK | 1,535,812 | $9,737,048 | dollars as filed | |
| PROTO LABS INC | 743713109 | COM | 116,283 | $9,478,227 | dollars as filed | |
| VERTEX INC | 92538J106 | CL A | 761,026 | $8,736,578 | dollars as filed | |
| AMPLITUDE INC COM CL A | 03213A104 | Stock | 1,055,508 | $8,074,636 | dollars as filed | |
| MARINEMAX INC | 567908108 | COM | 211,480 | $7,744,398 | dollars as filed | |
| ORASURE TECHNOLOGIES INC | 68554V108 | COM | 1,592,147 | $7,100,976 | dollars as filed | |
| DOUBLEVERIFY HLDGS INC COM | 25862V105 | Stock | 523,328 | $5,672,876 | dollars as filed | |
| CELCUITY INC | 15102K100 | COM | 53,240 | $5,569,969 | dollars as filed | |
| CHIPOTLEMEXICANGRILLI | 169656105 | STOK | 155,463 | $5,285,742 | dollars as filed | |
| CARETRUST REIT INC COM | 14174T107 | REIT | 129,955 | $5,243,684 | dollars as filed | |
| PENNANT GROUP INC | 70805E109 | COM | 135,035 | $4,989,543 | dollars as filed | |
| WHITECAP RESOURCES INC | 96467A200 | USD | 435,100 | $4,517,373 | dollars as filed | |
| ICU MED INC | 44930G107 | COM | 29,400 | $4,310,040 | dollars as filed | |
| KALTURA INC | 483467106 | COMMON STOCK | 3,266,999 | $4,247,099 | dollars as filed | |
| MICROCHIP TECHNOLOGY INC. COM | 595017104 | Stock | 26,229 | $2,392,102 | dollars as filed | |
| GENTEX CORP COM | 371901109 | Stock | 57,159 | $1,444,419 | dollars as filed | |
| GLOBAL NET LEASE INC COM NEW | 379378201 | REIT | 160,598 | $1,435,746 | dollars as filed | |
| SL GREEN RLTY CORP COM | 78440X887 | REIT | 25,862 | $1,338,876 | dollars as filed | |
| BOSTON BEER INC CL A | 100557107 | Stock | 7,283 | $1,289,309 | dollars as filed | |
| NCINO INC | 63947X101 | COM | 75,333 | $1,231,695 | dollars as filed | |
| FLAGSTAR FINANCIAL INC | 649445400 | COM NEW | 74,456 | $1,112,372 | dollars as filed | |
| DIGITAL TURBINE INC | 25400W102 | COM NEW | 81,839 | $1,055,723 | dollars as filed | |
| WEAVE COMMUNICATIONS INC | 94724R108 | COM | 157,170 | $998,703 | dollars as filed | |
| DOCUSIGN INC COM | 256163106 | Stock | 20,906 | $928,645 | dollars as filed | |
| CNFINANCE HLDGS LTD | 18979T204 | SPONSORED ADS | 332,345 | $920,596 | dollars as filed | |
| Alphabet Inc. Reg. Shares A | 02079K305 | COM | 2,556 | $913,438 | dollars as filed | |
| MARVELL TECHNOLOGY INC | 573874104 | COM | 2,923 | $870,734 | dollars as filed | |
| BIO-TECHNE CORP | 09073M104 | COM | 12,230 | $864,050 | dollars as filed | |
| DEVON ENERGY CORP NEW COM | 25179M103 | Stock | 19,021 | $785,948 | dollars as filed | |
| Micron Technology,Inc. | 595112103 | COM | 679 | $783,763 | dollars as filed | |
| NINTENDO LTD FSPONSORED ADR 1 ADR REP 0.25 ORD SHS | 654445303 | Equity | 70,675 | $740,674 | dollars as filed | |
| COGNEX CORP | 192422103 | COM | 9,798 | $709,571 | dollars as filed | |
| NVIDIA Corp | 67066G104 | COM | 3,498 | $699,915 | dollars as filed | |
| COMMVAULT SYS INC COM | 204166102 | Stock | 4,874 | $690,792 | dollars as filed | |
| Alphabet Inc. Reg. Shares C | 02079K107 | COM | 1,929 | $681,574 | dollars as filed | |
| ONTO INNOVATION INC COM | 683344105 | Stock | 1,709 | $646,771 | dollars as filed | |
| AT&T Inc | 00206R102 | COM | 30,898 | $639,589 | dollars as filed | |
| HIMAX TECHNOLOGIES INC SPONSORED ADR | 43289P106 | ADR | 39,498 | $605,899 | dollars as filed | |
| Pfizer Inc. | 717081103 | COM | 23,346 | $562,172 | dollars as filed | |
| LIFE TIME GROUP HOLDINGS INC COMMON STOCK | 53190C102 | Stock | 13,465 | $549,911 | dollars as filed | |
| MACOM TECH SOLUTIONS HLDGS INC COM | 55405Y100 | Stock | 1,281 | $487,254 | dollars as filed | |
| VIAVI SOLUTIONS INC | 925550105 | COM | 9,986 | $476,832 | dollars as filed | |
| META PLATFORMS INC CL A | 30303M102 | COM | 839 | $472,600 | dollars as filed | |
| SHOPIFY INC | 82509L107 | CL A SUB VTG SHS | 4,023 | $459,346 | dollars as filed | |
| ETSY INC | 29786A106 | COM | 5,755 | $433,524 | dollars as filed | |
| Starbucks Corporation | 855244109 | COM | 4,045 | $413,359 | dollars as filed | |
| Merck & Co.,Inc. | 58933Y105 | COM | 3,187 | $409,530 | dollars as filed | |
| CES ENERGY SOLUTIONS CORP | 15713J104 | COM | 33,350 | $389,504 | dollars as filed | |
| AKAMAI TECHNOLOGIES INC COM | 00971T101 | Stock | 3,163 | $373,898 | dollars as filed | |
| WARBY PARKER INC | 93403J106 | CL A COM | 11,381 | $345,300 | dollars as filed | |
| RINGCENTRAL INC | 76680R206 | CL A | 8,517 | $331,993 | dollars as filed | |
| VERICEL CORP | 92346J108 | COM | 7,303 | $324,910 | dollars as filed | |
| BEYOND MEAT INC | 08862EAB5 | NOTE 3/1 | 381,271 | $285,953 | dollars as filed | |
| PLANET LABS PBC | 72703X106 | COM CL A | 8,352 | $276,702 | dollars as filed | |
| ELECTROVAYA INC | 28617B606 | COM | 26,307 | $276,224 | dollars as filed | |
| REIN THERAPEUTICS INC | 00887A204 | COM NEW | 229,070 | $238,233 | dollars as filed | |
| RAMBUS INC DEL COM | 750917106 | Stock | 1,778 | $236,012 | dollars as filed | |
| BLACKSTONE INC | 09260D107 | COM | 1,940 | $228,280 | dollars as filed | |
| Microsoft Corp | 594918104 | COM | 556 | $207,399 | dollars as filed | |
| ACTINIUM PHARMACEUTICALS | 00507W206 | COM | 182,142 | $178,499 | dollars as filed | |
| PATTERSON-UTI ENERGY INC | 703481101 | COM | 17,420 | $159,916 | dollars as filed | |
| REDHILL BIOPHARMA LTD | 757468301 | SPONSORED ADR | 88,405 | $74,702 | dollars as filed |
Amendment chain
| Filing | Role | Filed | Accepted | Ingested |
|---|---|---|---|---|
| 13F-HR 0001019056-26-000123 | this filing | 2026-08-05 | acceptance time not in the bulk data set |