GAGNON SECURITIES LLC Diversified Active

Location: New York, NY

CIK: 0001125725 · Show all filings

Period: Q2 2026 (← Previous)

Filing Date: Aug 5, 2026

Total Value: $519M (100.0% shares, 0.0% debt)

Holdings (85)

Increased Positions (19)

WGS GENEDX HOLDINGS CORP 6.9%
Value $36.03M (+85.1%) Shares 524,865 (+73.1%) Est. Cost $42.18 Unrealized
QDEL QUIDELORTHO CORP 3.5%
Value $18.05M (+172.3%) Shares 1,030,371 (+155.5%) Est. Cost $24.32 Unrealized
HNGE HINGE HEALTH INC 2.9%
Value $15.19M (+217.0%) Shares 182,959 (+47.3%) Est. Cost $54.20 Unrealized
FIVN FIVE9 INC 3.0%
Value $15.41M (+63.3%) Shares 722,698 (+16.2%) Est. Cost $29.19 Unrealized
KMX CARMAX INC 3.3%
Value $17.21M (+33.7%) Shares 325,410 (+5.1%) Est. Cost $62.49 Unrealized
CARG CARGURUS INC 2.4%
Value $12.51M (+35.3%) Shares 367,073 (+35.2%) Est. Cost $23.13 Unrealized
VERX VERTEX INC 1.7%
Value $8.737M (+56.9%) Shares 761,026 (+62.5%) Est. Cost $21.98 Unrealized
PRLB PROTO LABS INC 1.8%
Value $9.478M (+49.9%) Shares 116,283 (+4.9%) Est. Cost $65.87 Unrealized
DV DOUBLEVERIFY HLDGS INC 1.1%
Value $5.673M (+22.3%) Shares 523,328 (+7.1%) Est. Cost $15.78 Unrealized
BL BLACKLINE INC 2.0%
Value $10.55M (-3.8%) Shares 375,769 (+26.8%) Est. Cost $47.94 Unrealized
CVLT COMMVAULT SYS INC 0.1%
Value $691K (+102.7%) Shares 4,874 (+11.4%) Est. Cost $87.99 Unrealized
TECH Bio-Techne Corp 0.2%
Value $864K (+67.4%) Shares 12,230 (+23.8%) Est. Cost $71.39 Unrealized
CNF CNFINANCE HLDGS LTD 0.2%
Value $921K (-25.0%) Shares 332,345 (+5.9%) Est. Cost $4.11 Unrealized
NTDOY NINTENDO LTD 0.1%
Value $741K (-25.6%) Shares 70,675 (+1.4%) Est. Cost $12.60 Unrealized
WEAV WEAVE COMMUNICATIONS INC 0.1%
Value $294K (+86.2%) Shares 49,143 (+43.6%) Est. Cost $7.43 Unrealized
AKAM AKAMAI TECHNOLOGIES INC 0.1%
Value $374K (+12.4%) Shares 3,163 (+9.2%) Est. Cost $86.89 Unrealized
RNG RINGCENTRAL INC 0.1%
Value $332K (+6.0%) Shares 8,517 (+1.1%) Est. Cost $30.52 Unrealized
SHOP SHOPIFY INC 0.1%
Value $459K (-1.5%) Shares 4,023 (+2.3%) Est. Cost $48.21 Unrealized
MSFT MICROSOFT CORP 0.0%
Value $207K (+2.8%) Shares 556 (+2.0%) Est. Cost $290.99 Unrealized

Decreased Positions (33)

ENSG ENSIGN GROUP INC 5.4%
Value $27.88M (-23.0%) Shares 173,911 (-3.2%) Est. Cost $34.12 Unrealized
GNRC GENERAC HLDGS INC 4.1%
Value $21.42M (+46.4%) Shares 73,170 (-2.3%) Est. Cost $132.46 Unrealized
CAKE CHEESECAKE FACTORY INC 3.4%
Value $17.64M (+43.2%) Shares 221,792 (-1.4%) Est. Cost $40.86 Unrealized
TMCI TREACE MED CONCEPTS INC 2.3%
Value $12.06M (+73.0%) Shares 3,029,543 (-41.8%) Est. Cost $4.61 Unrealized
ASPN ASPEN AEROGELS INC 1.9%
Value $9.737M (+52.9%) Shares 1,535,812 (-17.5%) Est. Cost $4.84 Unrealized
PTEN PATTERSON-UTI ENERGY INC 0.0%
Value $160K (-95.3%) Shares 17,420 (-94.5%) Est. Cost $9.87 Unrealized
ISRG INTUITIVE SURGICAL INC 2.2%
Value $11.59M (-20.5%) Shares 29,144 (-7.8%) Est. Cost $318.69 Unrealized
OSUR OraSure Technologies Inc 1.4%
Value $7.101M (+38.1%) Shares 1,592,147 (-7.1%) Est. Cost $3.36 Unrealized
FRSH FRESHWORKS INC 3.1%
Value $15.83M (+13.8%) Shares 1,563,866 (-9.7%) Est. Cost $15.40 Unrealized
HZO MarineMax Inc 1.5%
Value $7.744M (+29.7%) Shares 211,480 (-4.1%) Est. Cost $25.33 Unrealized
PCRX PACIRA BIOSCIENCES INC 3.0%
Value $15.44M (+10.6%) Shares 608,617 (-1.4%) Est. Cost $33.98 Unrealized
AMRC AMERESCO INC 4.4%
Value $22.81M (+6.5%) Shares 826,562 (-1.6%) Est. Cost $19.47 Unrealized
EQIX EQUINIX INC 3.4%
Value $17.43M (+4.9%) Shares 16,720 (-1.4%) Est. Cost $491.34 Unrealized
PNTG PENNANT GROUP INC 1.0%
Value $4.99M (+19.1%) Shares 135,035 (-1.8%) Est. Cost $23.67 Unrealized
PFE PFIZER INC 0.1%
Value $562K (-54.8%) Shares 23,346 (-47.3%) Est. Cost $27.17 Unrealized
MCHP MICROCHIP TECHNOLOGY INC. 0.5%
Value $2.392M (+38.0%) Shares 26,229 (-2.3%) Est. Cost $51.81 Unrealized
ICUI ICU MED INC 0.8%
Value $4.31M (+12.2%) Shares 29,400 (-1.2%) Est. Cost $144.08 Unrealized
MU MICRON TECHNOLOGY INC 0.2%
Value $784K (+115.4%) Shares 679 (-37.0%) Est. Cost $65.48 Unrealized
CTRE CARETRUST REIT INC 1.0%
Value $5.244M (+7.5%) Shares 129,955 (-2.3%) Est. Cost $17.88 Unrealized
MTSI MACOM TECH SOLUTIONS HLDGS INC 0.1%
Value $487K (-40.2%) Shares 1,281 (-65.1%) Est. Cost $142.18 Unrealized
T AT&T INC 0.1%
Value $640K (-31.3%) Shares 30,898 (-3.7%) Est. Cost $17.38 Unrealized
HIMX HIMAX TECHNOLOGIES INC 0.1%
Value $606K (+72.0%) Shares 39,498 (-11.8%) Est. Cost $5.35 Unrealized
CMG CHIPOTLE MEXICAN GRILL INC 1.0%
Value $5.286M (+4.6%) Shares 155,463 (-1.5%) Est. Cost $55.04 Unrealized
MRVL MARVELL TECHNOLOGY INC 0.2%
Value $871K (+28.8%) Shares 2,923 (-57.2%) Est. Cost $52.79 Unrealized
ONTO ONTO INNOVATION INC 0.1%
Value $647K (+40.7%) Shares 1,709 (-23.8%) Est. Cost $107.03 Unrealized
GNL GLOBAL NET LEASE INC 0.3%
Value $1.436M (-9.8%) Shares 160,598 (-5.6%) Est. Cost $8.96 Unrealized
DOCU DOCUSIGN INC 0.2%
Value $929K (-7.7%) Shares 20,906 (-1.5%) Est. Cost $53.49 Unrealized
RNTX REIN THERAPEUTICS INC 0.0%
Value $238K (-23.5%) Shares 229,070 (-4.4%) Est. Cost $1.58 Unrealized
NVDA NVIDIA CORPORATION 0.1%
Value $700K (+9.8%) Shares 3,498 (-4.3%) Est. Cost $114.39 Unrealized
NCNO NCINO INC 0.2%
Value $1.232M (+3.4%) Shares 75,333 (-5.3%) Est. Cost $30.59 Unrealized
ATNM ACTINIUM PHARMACEUTICALS INC 0.0%
Value $178K (-10.9%) Shares 182,142 (-9.5%) Est. Cost $1.27 Unrealized
VIAV VIAVI SOLUTIONS INC 0.1%
Value $477K (-1.3%) Shares 9,986 (-31.2%) Est. Cost $12.07 Unrealized
RMBS RAMBUS INC DEL 0.0%
Value $236K (+0.8%) Shares 1,778 (-34.7%) Est. Cost $77.09 Unrealized

Unchanged Positions (27)

CDNA CAREDX INC 9.7%
Value $50.47M Shares 1,770,735 Est. Cost $15.53 Unrealized
BLFS BIOLIFE SOLUTIONS INC 2.9%
Value $15.13M Shares 535,906 Est. Cost $18.67 Unrealized
AMPL AMPLITUDE INC 1.6%
Value $8.075M Shares 1,055,508 Est. Cost $10.62 Unrealized
APPS DIGITAL TURBINE INC 0.2%
Value $1.056M Shares 81,839 Est. Cost $5.08 Unrealized
EPD ENTERPRISE PRODS PARTNERS L P 3.6%
Value $18.77M Shares 510,576 Est. Cost $23.57 Unrealized
CELC CELCUITY INC 1.1%
Value $5.57M Shares 53,240 Est. Cost $10.65 Unrealized
PROF PROFOUND MED CORP 2.5%
Value $13.03M Shares 1,960,074 Est. Cost $9.69 Unrealized
SLG SL GREEN RLTY CORP 0.3%
Value $1.339M Shares 25,862 Est. Cost $47.22 Unrealized
WCPRF WHITECAP RES INC 0.9%
Value $4.517M Shares 435,100 Est. Cost $6.35 Unrealized
SAM BOSTON BEER INC 0.2%
Value $1.289M Shares 7,283 Est. Cost $308.38 Unrealized
KLTR KALTURA INC 0.8%
Value $4.247M Shares 3,266,999 Est. Cost $1.72 Unrealized
CGNX Cognex Corp 0.1%
Value $710K Shares 9,798 Est. Cost $37.59 Unrealized
GNTX GENTEX CORP 0.3%
Value $1.444M Shares 57,159 Est. Cost $21.52 Unrealized
LTH LIFE TIME GROUP HOLDINGS INC 0.1%
Value $550K Shares 13,465 Est. Cost $16.59 Unrealized
GOOGL ALPHABET INC 0.2%
Value $913K Shares 2,556 Est. Cost $109.50 Unrealized
DVN DEVON ENERGY CORP 0.2%
Value $786K Shares 19,021 Est. Cost $27.62 Unrealized
ETSY ETSY INC 0.1%
Value $434K Shares 5,755 Est. Cost $66.05 Unrealized
FLG FLAGSTAR BANK NATIONAL ASSOCIA 0.2%
Value $1.112M Shares 74,456 Est. Cost $9.83 Unrealized
GOOG ALPHABET INC 0.1%
Value $682K Shares 1,929 Est. Cost $209.93 Unrealized
ELVA ELECTROVAYA INC 0.1%
Value $276K Shares 26,307 Est. Cost $9.17 Unrealized
CESDF CES ENERGY SOLUTIONS CORP 0.1%
Value $390K Shares 33,350 Est. Cost $1.75 Unrealized
SBUX STARBUCKS CORP 0.1%
Value $413K Shares 4,045 Est. Cost $78.28 Unrealized
PL PLANET LABS PBC 0.1%
Value $277K Shares 8,352 Est. Cost $24.28 Unrealized
MRK MERCK & CO INC 0.1%
Value $410K Shares 3,187 Est. Cost $83.25 Unrealized
RDHL REDHILL BIOPHARMA LTD 0.0%
Value $74,702 Shares 88,405 Est. Cost $1.25 Unrealized
META META PLATFORMS INC 0.1%
Value $473K Shares 839 Est. Cost $169.12 Unrealized
BX BLACKSTONE INC 0.0%
Value $228K Shares 1,940 Est. Cost $148.92 Unrealized