13FBOX
GAGNON SECURITIES LLC · 13F Holdings
Options Calculator Rankings

GAGNON SECURITIES LLC

No.4168 Data as of 2026Q2
Latest AUM (Q2 2026)
$514.3M
QoQ Change Q1 2026
+$81.1M+18.7%
Holdings
83
New Buys
4
Adds
25
Reduces
46
Exits
6
Unchanged
8
Holdings Value Trend
Holdings by Sector
Stock Ownership TrendPortfolio %Prev Q %Q2 2026 ValueQ2 2026 SharesPrev Q ValuePrev Q SharesShares ChangeAction
CCAREDX INCCDNA
9.81%7.06%$50.5M1.8M$30.6M1.8M+8,861+0.50%Add
GENEDX HOLDINGS CORPWGS
7.01%4.49%$36.0M524,865$19.5M303,149+221,716+73.14%Add
EENSIGN GROUP INCENSG
5.42%8.36%$27.9M173,911$36.2M179,671-5,760-3.21%Reduce
AMERESCO INCAMRC
4.44%4.94%$22.8M826,562$21.4M840,063-13,501-1.61%Reduce
GENERAC HLDGS INCGNRC
4.17%3.38%$21.4M73,170$14.6M74,913-1,743-2.33%Reduce
ENTERPRISE PRODS PARTNERS LEPD
3.65%4.49%$18.8M510,576$19.5M514,257-3,681-0.72%Reduce
QQUIDELORTHO CORPQDEL
3.51%1.53%$18.0M1.0M$6.6M403,325+627,046+155.47%Add
CCHEESECAKE FACTORY INCCAKE
3.43%2.84%$17.6M221,792$12.3M225,048-3,256-1.45%Reduce
EQUINIX INCEQIX
3.39%3.84%$17.4M16,720$16.6M16,951-231-1.36%Reduce
CCARMAX INCKMX
3.35%2.97%$17.2M325,410$12.9M309,699+15,711+5.07%Add
FFRESHWORKS INCFRSH
3.08%3.21%$15.8M1.6M$13.9M1.7M-167,501-9.67%Reduce
PACIRA BIOSCIENCES INCPCRX
3%3.22%$15.4M608,617$14.0M617,510-8,893-1.44%Reduce
FFIVE9 INCFIVN
3%2.18%$15.4M722,698$9.4M622,064+100,634+16.18%Add
HHINGE HEALTH INCHNGE
2.95%1.11%$15.2M182,959$4.8M124,250+58,709+47.25%Add
BBIOLIFE SOLUTIONS INCBLFS
2.94%2.36%$15.1M535,906$10.2M536,512-606-0.11%Reduce
PROFOUND MED CORPORATION COM NEW (CANADA)PROF
2.53%2.91%$13.0M2.0M$12.6M1.9M+15,750+0.81%Add
CARGURUS INCCARG
2.43%2.13%$12.5M367,073$9.2M271,524+95,549+35.19%Add
TREACE MED CONCEPTS INC COMTMCI
2.34%1.61%$12.1M3.0M$7.0M5.2M-2.2M-41.76%Reduce
00
2.27%$11.7M765,179$00+765,179New Buy
INTUITIVE SURGICAL INCISRG
2.25%3.36%$11.6M29,144$14.6M31,619-2,475-7.83%Reduce
BLACKLINE INCBL
2.05%2.53%$10.5M375,769$11.0M296,424+79,345+26.77%Add
ASPEN AEROGELS INC COMASPN
1.89%1.47%$9.7M1.5M$6.4M1.9M-326,039-17.51%Reduce
PROTO LABS INCPRLB
1.84%1.46%$9.5M116,283$6.3M110,889+5,394+4.86%Add
VERTEX INCVERX
1.7%1.29%$8.7M761,026$5.6M468,220+292,806+62.54%Add
AAMPLITUDE INCAMPL
1.57%1.67%$8.1M1.1M$7.2M1.1M-4,328-0.41%Reduce
MMARINEMAX INCHZO
1.51%1.38%$7.7M211,480$6.0M220,610-9,130-4.14%Reduce
OORASURE TECHNOLOGIES INCOSUR
1.38%1.19%$7.1M1.6M$5.1M1.7M-122,244-7.13%Reduce
DDOUBLEVERIFY HLDGS INCDV
1.1%1.07%$5.7M523,328$4.6M488,462+34,866+7.14%Add
CELCUITY INCCELC
1.08%1.41%$5.6M53,240$6.1M53,342-102-0.19%Reduce
CHIPOTLE MEXICAN GRILL INCCMG
1.03%1.17%$5.3M155,463$5.1M157,849-2,386-1.51%Reduce
CARETRUST REIT INCCTRE
1.02%1.13%$5.2M129,955$4.9M133,046-3,091-2.32%Reduce
PENNANT GROUP INCPNTG
0.97%0.97%$5.0M135,035$4.2M137,484-2,449-1.78%Reduce
IICU MED INCICUI
0.84%0.89%$4.3M29,400$3.8M29,743-343-1.15%Reduce
KKALTURA INC COMKLTR
0.83%0.92%$4.2M3.3M$4.0M3.3M-11,937-0.36%Reduce
MICROCHIP TECHNOLOGYMCHP
0.47%0.4%$2.4M26,229$1.7M26,838-609-2.27%Reduce
GENTEX CORPGNTX
0.28%0.29%$1.4M57,159$1.2M56,933+226+0.40%Add
GLOBAL NET LEASE INCGNL
0.28%0.37%$1.4M160,598$1.6M170,125-9,527-5.60%Reduce
SL GREEN RLTY CORPSLG
0.26%0.22%$1.3M25,862$955,34225,86200.00%Unchanged
BOSTON BEER INCSAM
0.25%0.39%$1.3M7,283$1.7M7,239+44+0.61%Add
NNCINO INCNCNO
0.24%0.27%$1.2M75,333$1.2M79,520-4,187-5.27%Reduce
FLAGSTAR BANK NATIONAL ASSOCFLG
0.22%0.23%$1.1M74,456$983,94474,711-255-0.34%Reduce
DIGITAL TURBINE INC COM NEWAPPS
0.21%0.05%$1.1M81,839$235,69681,83900.00%Unchanged
WWEAVE COMMUNICATIONS INC COMWEAV
0.19%0.04%$998,703157,170$158,09634,220+122,950+359.29%Add
DOCUSIGN INCDOCU
0.18%0.23%$928,64520,906$1.0M21,232-326-1.54%Reduce
CCNFINANCE HLDGS LTDCNF
0.18%0.28%$920,596332,345$1.2M313,938+18,407+5.86%Add
ALPHABET INCGOOGL
0.18%0.17%$913,4382,556$735,0032,55600.00%Unchanged
MARVELL TECHNOLOGY INCMRVL
0.17%0.16%$870,7342,923$676,0176,825-3,902-57.17%Reduce
BIO-TECHNE CORPTECH
0.17%0.12%$864,05012,230$516,2779,879+2,351+23.80%Add
DEVON ENERGY CORP NEWDVN
0.15%0.22%$785,94819,021$959,40119,066-45-0.24%Reduce
MICRON TECHNOLOGY INCMU
0.15%0.08%$783,763679$363,8541,077-398-36.95%Reduce

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