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13F-HR filed by GAGNON SECURITIES LLC

GAGNON SECURITIES LLC filed this 13F-HR for the quarter ended 2025-09-30, filed 2025-11-03, with 86 holding rows worth $498,503,418.

Accession
0001019056-25-000228
Filed
2025-11-03
Accepted by EDGAR
acceptance time not in the bulk data set
Ingested
Source
SEC quarterly data set

Original filing

13F report for Q3 2025

A holdings report, 86 entries on the cover page, a total value of $498,503,418 stated on the cover page (in dollars after the unit check, H1), rows summing to $498,503,418 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 filedCUSIPClassAmountValueValue read asType
AIR LEASE CORP00912X302CL A605,618$38,547,567dollars as filed
ENSIGN GROUP INC29358P101COM183,030$31,622,093dollars as filed
GENEDX HOLDINGS CORP81663L200COM CL A269,066$28,989,171dollars as filed
AMERESCO INC02361E108CL A859,409$28,858,954dollars as filed
CAREDX INC14167L103COM1,729,425$25,145,846dollars as filed
FRESHWORKS INC CLASS A COM358054104Stock1,865,818$21,960,678dollars as filed
Intuitive Surgical,Inc.46120E602COM43,359$19,391,451dollars as filed
ENTERPRISE PRODS PARTNERS L293792107COM528,752$16,534,075dollars as filed
TREACE MED CONCEPTS INC89455T109COM2,258,238$15,152,777dollars as filed
BLACKLINE, INC.09239B109COM278,919$14,810,599dollars as filed
BIOLIFE SOLUTIONS INC COM NEW09062W204Stock535,757$13,667,161dollars as filed
EQUINIX INC COM29444U700REIT17,253$13,513,240dollars as filed
NAVIGATOR HLDGS LTD SHSY62132108Stock865,860$13,412,171dollars as filed
GENERAC HLDGS INC368736104COM77,561$12,983,711dollars as filed
CHEESECAKE FACTORY INC163072101COM227,336$12,421,639dollars as filed
ASPEN AEROGELS INC04523Y105COMMON STOCK1,754,833$12,213,638dollars as filed
PACIRA BIOSCIENCES INC COM695127100Stock449,717$11,589,207dollars as filed
CARGURUS INC COM CL A141788109Stock272,308$10,138,027dollars as filed
CARMAX INC COM143130102Stock225,629$10,123,973dollars as filed
EXACT SCIENCES CORP COM30063P105Stock179,442$9,817,272dollars as filed
VERTEX INC92538J106CL A378,685$9,387,601dollars as filed
PROFOUND MED CORP74319B502COM NEW1,733,040$8,474,566dollars as filed
DOUBLEVERIFY HLDGS INC COM25862V105Stock679,917$8,145,406dollars as filed
FIVE9 INC338307101COM299,403$7,245,553dollars as filed
MARINEMAX INC567908108COM261,349$6,619,970dollars as filed
POWER SOLUTIONS INTERNATIONA73933G202COMMON STOCK64,770$6,361,709dollars as filed
ALPHA & OMEGA SEMICONDUCTORG6331P104SHS215,349$6,021,158dollars as filed
AMPLITUDE INC COM CL A03213A104Stock510,731$5,475,036dollars as filed
PROTO LABS INC743713109COM108,749$5,440,712dollars as filed
ORASURE TECHNOLOGIES INC68554V108COM1,594,771$5,119,215dollars as filed
CHIPOTLEMEXICANGRILLI169656105STOK120,395$4,718,280dollars as filed
CARETRUST REIT INC COM14174T107REIT135,685$4,705,556dollars as filed
BOSTON BEER INC CL A100557107Stock21,508$4,547,221dollars as filed
KALTURA INC483467106COMMON STOCK2,885,976$4,155,805dollars as filed
NVIDIA Corp67066G104COM20,573$3,838,510dollars as filed
WHITECAP RESOURCES INC96467A200USD486,570$3,713,794dollars as filed
QUIDELORTHO CORP COM219798105Stock122,499$3,607,596dollars as filed
PENNANT GROUP INC70805E109COM141,682$3,573,220dollars as filed
ICU MED INC44930G107COM28,751$3,448,970dollars as filed
CELCUITY INC15102K100COM53,955$2,665,377dollars as filed
TAPESTRY INC COM876030107Stock21,453$2,428,944dollars as filed
MICROCHIP TECHNOLOGY INC. COM595017104Stock27,025$1,735,558dollars as filed
GLOBAL NET LEASE INC COM NEW379378201REIT193,790$1,575,513dollars as filed
GENTEX CORP COM371901109Stock55,214$1,562,568dollars as filed
SL GREEN RLTY CORP COM78440X887REIT25,986$1,554,223dollars as filed
NINTENDO LTD FSPONSORED ADR 1 ADR REP 0.25 ORD SHS654445303Equity70,150$1,497,001dollars as filed
CNFINANCE HLDGS LTD18979T204SPONSORED ADS317,201$1,329,072dollars as filed
Pfizer Inc.717081103COM43,160$1,099,717dollars as filed
PATTERSON-UTI ENERGY INC703481101COM208,697$1,081,050dollars as filed
NCINO INC63947X101COM38,258$1,037,174dollars as filed
AT&T Inc00206R102COM33,919$957,873dollars as filed
FLAGSTAR FINANCIAL INC649445400COM NEW74,953$865,707dollars as filed
EXXON MOBIL CORP30231G102COM7,228$814,957dollars as filed
SHOPIFY INC82509L107CL A SUB VTG SHS5,345$794,320dollars as filed
DEVON ENERGY CORP NEW COM25179M103Stock20,278$710,947dollars as filed
Alphabet Inc. Reg. Shares A02079K305COM2,556$621,364dollars as filed
META PLATFORMS INC CL A30303M102COM839$616,145dollars as filed
BIO-TECHNE CORP09073M104COM9,614$534,827dollars as filed
MARVELL TECHNOLOGY INC573874104COM6,327$531,911dollars as filed
DIGITAL TURBINE INC25400W102COM NEW81,839$523,770dollars as filed
BACKBLAZE INC A05637B105COMMON STOCK55,393$514,047dollars as filed
Micron Technology,Inc.595112103COM2,938$491,586dollars as filed
HIMAX TECHNOLOGIES INC SPONSORED ADR43289P106ADR54,488$481,129dollars as filed
Starbucks Corporation855244109COM5,638$476,975dollars as filed
Alphabet Inc. Reg. Shares C02079K107COM1,932$470,539dollars as filed
COMMVAULT SYS INC COM204166102Stock2,418$456,470dollars as filed
COGNEX CORP192422103COM9,772$442,672dollars as filed
PAYPALHLDGSINC70450Y103STOK6,581$441,322dollars as filed
MACOM TECH SOLUTIONS HLDGS INC COM55405Y100Stock3,142$391,148dollars as filed
LIFE TIME GROUP HOLDINGS INC COMMON STOCK53190C102Stock13,538$373,649dollars as filed
ACTINIUM PHARMACEUTICALS00507W206COM226,257$362,011dollars as filed
Merck & Co.,Inc.58933Y105COM4,038$338,909dollars as filed
ETSY INC29786A106COM4,970$329,958dollars as filed
CES ENERGY SOLUTIONS CORP15713J104COM46,075$310,942dollars as filed
VIAVI SOLUTIONS INC925550105COM23,992$304,458dollars as filed
WEAVE COMMUNICATIONS INC94724R108COM45,543$304,227dollars as filed
ONTO INNOVATION INC COM683344105Stock2,242$289,711dollars as filed
RAMBUS INC DEL COM750917106Stock2,711$282,486dollars as filed
Microsoft Corp594918104COM506$262,083dollars as filed
REIN THERAPEUTICS INC00887A204COM NEW228,692$261,852dollars as filed
RINGCENTRAL INC76680R206CL A8,122$230,177dollars as filed
GRANDSTAND LTD ORDINARY SHARESG3R239101Stock23,062$188,647dollars as filed
GOODRX HLDGS INC38246G108COM CL A44,063$186,386dollars as filed
SAVERS VALUE VLG INC80517M109COM13,764$182,373dollars as filed
PETMED EXPRESS INC716382106COM23,841$59,841dollars as filed
REDHILL BIOPHARMA LTD757468301SPONSORED ADR17,822$38,674dollars as filed

Amendment chain

FilingRoleFiledAcceptedIngested
13F-HR 0001019056-25-000228this filing2025-11-03acceptance time not in the bulk data set