UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F COVER PAGE
OMB APPROVAL
OMB Number:3235-0006
Expires:July 31, 2015
Estimated average burden
hours per response:23.8

Report for the Calendar Year or Quarter Ended:
12-31-2022
Check here if Amendment: Amendment Number:
This Amendment (Check only one.): is a restatement.
adds new holdings entries.

Institutional Investment Manager Filing this Report:

Name:
GAGNON SECURITIES LLC
Address:
1370 Avenue of the Americas
24th Floor
New York, NY 10019
Form 13F File Number:

The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that all information contained herein is true, correct and complete, and that it is understood that all required items, statements, schedules, lists, and tables, are considered integral parts of this form.


Person Signing this Report on Behalf of Reporting Manager:
Name:
Lisa Ferrante
Title:
Chief Compliance Officer
Phone:
212-554-5000


Signature, Place, and Date of Signing:

/s/ Lisa Ferrante
                         [Signature]
New York, NEW YORK
                 [City, State]
02-07-2023
                           [Date]
                          

Report Type (Check only one.):

13F HOLDINGS REPORT. (Check here if all holdings of this reporting manager are reported in this report.) 

13F NOTICE. (Check here if no holdings reported are in this report, and all holdings are reported by other reporting manager(s).) 

13F COMBINATION REPORT. (Check here if a portion of the holdings for this reporting manager are reported in this report and a portion are reported by other reporting manager(s).)


Form 13F Summary Page

Report Summary:

Number of Other Included Managers:
0
Form 13F Information table Entry Total:
106
Form 13F Information table Value Total:
452942558
          (thousands)

List of Other Included Managers:

Provide a numbered list of the name(s) and Form 13F file number(s) of all institutional investment managers with respect to which this report is filed, other than the manager filing this report.
[If there are no entries in this list, state "NONE" and omit the column headings and list entries.]

  
NONE


UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE
OMB APPROVAL
OMB Number:3235-0006
Expires:July 31, 2015
Estimated average burden
hours per response:23.8

COLUMN 1COLUMN 2COLUMN 3COLUMN 4COLUMN 5COLUMN 6COLUMN 7COLUMN 8
VALUESHRS ORSH/PUT/INVESTMENTOTHERVOTING AUTHORITY
NAME OF ISSUERTITLE OF CLASSCUSIP(x$1000)PRN AMTPRNCALLDISCRETIONMANAGERSOLESHAREDNONE
AIR LEASE CORPCL A00912X30235,400,844921,417SHSOLE 0 0 921,417
AKAMAI TECHNOLOGIESCOM00971T1012,510,70629,783SHSOLE 0 0 29,783
ALPHA AND OMEGA SEMICONDUCTOR LTDSHSG6331P10410,221,288357,763SHSOLE 0 0 357,763
ALPHABET INCCAP STK CL A02079K305272,4543,088SHSOLE 0 0 3,088
AMERESCO INCCL A02361E10815,036,333263,149SHSOLE 0 0 263,149
APOLLO ENDOSURGERY INCCOM03767D10816,980,6541,703,175SHSOLE 0 0 1,703,175
APTOSE BIOSCIENCES INCCOM New03835T20043,98075,829SHSOLE 0 0 75,829
ARC RESOURCES LTDCOM00208D408325,27924,150SHSOLE 0 0 24,150
ARCHER-DANIELS-MIDLAND COCOM039483102206,4982,224SHSOLE 0 0 2,224
AT&T INCCOM00206R102784,08142,590SHSOLE 0 0 42,590
BIOLIFE SOLUTIONS INCCOM NEW09062W20410,211,328561,062SHSOLE 0 0 561,062
BLACKLINE INCCOM09239B10913,053,541194,047SHSOLE 0 0 194,047
BOSTON BEER COMPANY INCCL A1005571074,822,52514,635SHSOLE 0 0 14,635
BRISTOW GROUP INCCOM11040G103207,2187,638SHSOLE 0 0 7,638
CAREDX INCCOM14167L10317,066,4661,495,746SHSOLE 0 0 1,495,746
CARETRUST REIT INCCOM14174T1073,962,853213,286SHSOLE 0 0 213,286
CARGURUS INCCOM CL A1417881095,169,549368,990SHSOLE 0 0 368,990
CARMAX INCCOM1431301029,043,078148,515SHSOLE 0 0 148,515
CELCUITY INCCOM15102K100765,71654,655SHSOLE 0 0 54,655
CES ENERGY SOLUTIONS CORPCOM15713J104234,372115,059SHSOLE 0 0 115,059
CHEESECAKE FACTORY INCCOM1630721016,515,692205,477SHSOLE 0 0 205,477
CHEGG INCCOM163092109469,89518,595SHSOLE 0 0 18,595
CHIPOTLE MEXICAN GRILLINCCOM1696561057,725,5445,568SHSOLE 0 0 5,568
CLEAN ENERGY FUELS CORPCOM184499101362,29469,672SHSOLE 0 0 69,672
CNFINANCE HOLDINGS LIMITEDSPON ADS18979T1052,813,0971,645,086SHSOLE 0 0 1,645,086
COMMVAULT SYS INCCOM204166102227,2293,616SHSOLE 0 0 3,616
CORE LABORATORIES NVCOMN22717107228,38211,267SHSOLE 0 0 11,267
DENISON MINES CORPORATIONCOM248356107420,772365,889SHSOLE 0 0 365,889
DERMTECH INCCOM24984K105282,150159,407SHSOLE 0 0 159,407
DEVON ENERGY CORPCOM25179M1031,325,60221,550SHSOLE 0 0 21,550
DHI GROUP INCCOM23331S100189,29235,783SHSOLE 0 0 35,783
DURECT CORPCOM266605500539,092155,807SHSOLE 0 0 155,807
E2OPEN PARENT HOLDINGS INCCOM CL A29788T1038,782,9871,496,249SHSOLE 0 0 1,496,249
E2OPEN PARENT HOLDINGS INCW EXP 02/04/202329788T111409,401485,705SHSOLE 0 0 485,705
ENERGY TRANSFER LPCOM UT LTD PTN29273V100633,49053,369SHSOLE 0 0 53,369
ENSIGN GROUP INCCOM29358P10130,576,062323,180SHSOLE 0 0 323,180
ENTERPRISE PRODS PARTNERS LPCOM29379210718,506,008767,247SHSOLE 0 0 767,247
ENVIVA PARTNERS LPCOM29415B10315,042,526283,982SHSOLE 0 0 283,982
EOG RESOURCES INCCOM UNIT26875P101540,2364,171SHSOLE 0 0 4,171
EQUINIX INCCOM29444U70010,875,46316,603SHSOLE 0 0 16,603
ETSY INCCOM29786A106285,4352,383SHSOLE 0 0 2,383
EVERBRIDGE INCCOM29978A1046,694,042226,303SHSOLE 0 0 226,303
EXXON MOBIL CORPCOM30231G1021,240,98511,251SHSOLE 0 0 11,251
FIVE9 INCCOM33830710113,608,508200,538SHSOLE 0 0 200,538
FRESHWORKS INCCLASS A COM3580541047,959,536541,097SHSOLE 0 0 541,097
SEMA4 HOLDINGS CORPCOM CL A81663L101282,0721,069,264SHSOLE 0 0 1,069,264
SEMA4 HOLDINGS CORPW EXP 07/22/202381663L11992248,549SHSOLE 0 0 48,549
GENERAC HOLDINGS INCCOM3687361041,480,90914,712SHSOLE 0 0 14,712
GENTEX CORPCOM3719011091,611,15759,081SHSOLE 0 0 59,081
GILEAD SCIENCES INCCOM375558103271,9723,168SHSOLE 0 0 3,168
GOODRX HOLDINGS INCCOM CL A38246G108509,328109,298SHSOLE 0 0 109,298
HELMERICH & PAYNE INCCOM423452101668,40113,484SHSOLE 0 0 13,484
INTEST CORPCOM461147100232,69722,592SHSOLE 0 0 22,592
INTUITIVE SURGICAL INCCOM NEW46120E60217,906,61767,483SHSOLE 0 0 67,483
LIVEPERSON INCCOM538146101130,84612,904SHSOLE 0 0 12,904
LL FLOORING HOLDINGS INCCOM55003T1074,109,098731,156SHSOLE 0 0 731,156
MARVELL TECHNOLOGY INCORD573874104569,26915,369SHSOLE 0 0 15,369
MAXCYTE INCCOM57777K106188,19534,468SHSOLE 0 0 34,468
MERCK & CO. INCCOM58933Y105422,7193,810SHSOLE 0 0 3,810
MICROCHIP TECHNOLOGY INCCOM5950171041,506,95221,451SHSOLE 0 0 21,451
MICROSOFT CORPCOM594918104229,747958SHSOLE 0 0 958
MIROMATRIX MED INCCOM60471P1082,532,326846,932SHSOLE 0 0 846,932
MODEL N INCCOM607525102265,8706,555SHSOLE 0 0 6,555
NAVIGATOR HOLDINGS LTDSHSY6213210821,631,8481,808,683SHSOLE 0 0 1,808,683
NCS MULTISTAGE HOLDINGS INCCOM NEW628877201565,15022,606SHSOLE 0 0 22,606
NEW RELIC INCCOM64829B10012,325,236218,339SHSOLE 0 0 218,339
NEXTIER OILFIELD SOLUTIONSCOM65290C1052,393,658259,054SHSOLE 0 0 259,054
NINTENDO 8SPONSORED ADS654445303801,10776,427SHSOLE 0 0 76,427
OCADO GROUP PLCCOMG6718L106919,423123,920SHSOLE 0 0 123,920
ONTO INNOVATION INCCOM683344105211,6923,109SHSOLE 0 0 3,109
OPSENS INCCOM6838231083,864,7122,841,700SHSOLE 0 0 2,841,700
PACIRA BIOSCIENCESCOM69512710021,753,453563,415SHSOLE 0 0 563,415
PAYPAL HOLDINGS INCCOM70450Y103268,7133,773SHSOLE 0 0 3,773
PENNANT GROUP INCCOM70805E1092,082,016189,619SHSOLE 0 0 189,619
PETMED EXPRESS INCCOM716382106334,65318,907SHSOLE 0 0 18,907
PFIZER INCCOM7170811031,328,08925,919SHSOLE 0 0 25,919
POWER SOLUTIONS INTERNATIONAL INCCOM73933G2024,051,3321,350,444SHSOLE 0 0 1,350,444
PROFOUND MED CORPCOM NEW74319B50219,364,6521,778,205SHSOLE 0 0 1,778,205
PROTO LABS INCCOM7437131092,252,71688,238SHSOLE 0 0 88,238
QUIDEL CORPCOM2197981058,590,473100,274SHSOLE 0 0 100,274
RANGE RESOURCES CORPCOM75281A109587,39423,477SHSOLE 0 0 23,477
REDHILL BIOPHARMASPONSORED ADS75746810346,559331,858SHSOLE 0 0 331,858
RINGCENTRAL INCCL A76680R206308,0158,701SHSOLE 0 0 8,701
RPC INCCOM749660106580,49065,297SHSOLE 0 0 65,297
SECUREWORKS CORPCL A81374A1056,554,2031,025,697SHSOLE 0 0 1,025,697
SHELL PLCSPON ADS780259305364,3096,397SHSOLE 0 0 6,397
SHOPIFY INCCL A82509L107275,7017,943SHSOLE 0 0 7,943
SL GREEN REALTY CORPCOM78440X887884,21626,222SHSOLE 0 0 26,222
SOMALOGIC INCCLASS A COM83444K1052,194,219874,190SHSOLE 0 0 874,190
SOMALOGIC INCW EXP 08/31/202383444K11371,165177,914SHSOLE 0 0 177,914
SPROTT FDS TRURANIUM MINERS E85208P303538,24616,958SHSOLE 0 0 16,958
SPROTT PHYSICALURANIUMTR TRUST UNIT85210A104876,72275,041SHSOLE 0 0 75,041
STARBUCKS CORPCOM855244109463,4624,672SHSOLE 0 0 4,672
SYSMEX CORPCOMJ7864H102269,9844,454SHSOLE 0 0 4,454
TAPESTRY INCCOM8760301072,184,88957,376SHSOLE 0 0 57,376
TFF PHARMACEUTICALS INCCOM876030107231,077220,074SHSOLE 0 0 220,074
THE NECESSITY RETAIL REIT INCCOM CLASS A87241J104369,22562,264SHSOLE 0 0 62,264
UR-ENERGY INCCOM02607T109514,682447,550SHSOLE 0 0 447,550
VIAVI SOLUTIONS INCCOM91688R108214,37220,397SHSOLE 0 0 20,397
WALGREENS BOOTS ALLIANCE INCCOM925550105510,37413,661SHSOLE 0 0 13,661
WARNER BROS DISCOVERY INCCOM SER A931427108215,98222,783SHSOLE 0 0 22,783
WELLS FARGO COCOM934423104539,08213,056SHSOLE 0 0 13,056
JOHN WILEY & SONS INCCL A949746101667,33316,658SHSOLE 0 0 16,658
YEXT INCCL A9682232069,396,2391,438,934SHSOLE 0 0 1,438,934
ZOOM VIDEO COMMUNICATIONS INCCL A98585N106277,8014,101SHSOLE 0 0 4,101
ZUORA INCCOM CL A98980L1015,576,314876,779SHSOLE 0 0 876,779