0001019056-20-000313.txt : 20200511
0001019056-20-000313.hdr.sgml : 20200511
20200511160544
ACCESSION NUMBER: 0001019056-20-000313
CONFORMED SUBMISSION TYPE: 13F-HR
PUBLIC DOCUMENT COUNT: 2
CONFORMED PERIOD OF REPORT: 20200331
FILED AS OF DATE: 20200511
DATE AS OF CHANGE: 20200511
EFFECTIVENESS DATE: 20200511
FILER:
COMPANY DATA:
COMPANY CONFORMED NAME: GAGNON SECURITIES LLC
CENTRAL INDEX KEY: 0001125725
IRS NUMBER: 134087058
STATE OF INCORPORATION: DE
FISCAL YEAR END: 1231
FILING VALUES:
FORM TYPE: 13F-HR
SEC ACT: 1934 Act
SEC FILE NUMBER: 028-06377
FILM NUMBER: 20864750
BUSINESS ADDRESS:
STREET 1: 1370 AVENUE OF THE AMERICAS
STREET 2: 24TH FLOOR
CITY: NEW YORK
STATE: NY
ZIP: 10019
BUSINESS PHONE: 2125545000
MAIL ADDRESS:
STREET 1: 1370 AVENUE OF THE AMERICAS
STREET 2: 24TH FLOOR
CITY: NEW YORK
STATE: NY
ZIP: 10019
13F-HR
1
primary_doc.xml
13F-HR
LIVE
false
true
false
0001125725
XXXXXXXX
03-31-2020
03-31-2020
false
GAGNON SECURITIES LLC
1370 Avenue of the Americas
24th Floor
New York
NY
10019
13F HOLDINGS REPORT
028-06377
N
Lisa Ferrante
Chief Compliance Officer
212-554-5000
/s/ Lisa Ferrante
New York
NY
05-11-2020
0
96
294332
INFORMATION TABLE
2
infotable.xml
ABERCROMBIE &FITCH CO
CL A
002896207
95
10457
SH
SOLE
0
0
10457
AIR LEASE CORP
CL A
00912X302
20108
908230
SH
SOLE
0
0
908230
AKAMAI TECHNOLOGIES
COM
00971T101
2058
22495
SH
SOLE
0
0
22495
ALPHA & OMEGA SEMICONDUCTOR LTD
SHS
G6331P104
5180
808143
SH
SOLE
0
0
808143
ALPHABET INC
CAP STK CLA
02079K305
127
109
SH
SOLE
0
0
109
AMERESCO INC
CL A
02361E108
13681
803375
SH
SOLE
0
0
803375
APOLLO ENDOSURGERY INC
COM
03767D108
1942
1011456
SH
SOLE
0
0
1011456
ARCHER DANIELS MIDLAND
COM
039483102
116
3309
SH
SOLE
0
0
3309
AT&T INC
COM
00206R102
486
16685
SH
SOLE
0
0
16685
BLACKLINE INC
COM
09239B109
11192
212735
SH
SOLE
0
0
212735
CAREDX INC
COM
14167L103
24213
1109173
SH
SOLE
0
0
1109173
CARETRUST REIT INC
COM
14174T107
3172
214477
SH
SOLE
0
0
214477
CARMAX INC
COM
143130102
6226
115668
SH
SOLE
0
0
115668
CASTLIGHT HEALTH INC
CL B
14862Q100
2944
4071654
SH
SOLE
0
0
4071654
CELCUITY INC
COM
15102K100
1280
196877
SH
SOLE
0
0
196877
CES ENERGY SOLUTIONS CORP
COM
15713J104
107
187848
SH
SOLE
0
0
187848
CHEESECAKE FACTORY INC
COM
163072101
446
26100
SH
SOLE
0
0
26100
CHEGG INC
COM
163092109
245
6857
SH
SOLE
0
0
6857
CHIPOTLE MEXICAN GRILL INC
COM
169656105
3029
4628
SH
SOLE
0
0
4628
CNFINANCE HOLDINGS LIMITED
SPON ADS
18979T105
1269
352525
SH
SOLE
0
0
352525
DENISON MINES CORPORATION
COM
248356107
91
361518
SH
SOLE
0
0
361518
DR HORTON INC
COM
23331A109
208
6104
SH
SOLE
0
0
6104
DURECT CORP
COM
266605104
1721
1110057
SH
SOLE
0
0
1110057
EHEALTH INC
COM
28238P109
421
2990
SH
SOLE
0
0
2990
ENERGY TRANSFER LP
COM UT LTD PTN
29273V100
68
14723
SH
SOLE
0
0
14723
ENSIGN GROUP INC
COM
29358P101
16809
446933
SH
SOLE
0
0
446933
ENTERPRISE PRODS PARTNERS L
COM
293792107
8193
572956
SH
SOLE
0
0
572956
EQUINIX INC
COM
29444U700
10651
17053
SH
SOLE
0
0
17053
ERA GROUP INC
COM
26885G109
112
20939
SH
SOLE
0
0
20939
ETSY INC
COM
29786A106
110
2865
SH
SOLE
0
0
2865
EVERBRIDGE INC
COM
29978A104
10481
98546
SH
SOLE
0
0
98546
EXXON MOBIL CORP
COM
30231G102
261
6863
SH
SOLE
0
0
6863
FACEBOOK INC
CL A
30303M102
141
843
SH
SOLE
0
0
843
FIVE9 INC
COM
338307101
11332
148208
SH
SOLE
0
0
148208
FLEXION THERAPEUTICS INC
COM
33938J106
5704
724724
SH
SOLE
0
0
724724
GENERAC HLDGS INC
COM
368736104
1329
14260
SH
SOLE
0
0
14260
GENERAL ELECTRIC CO
COM
369604103
86
10867
SH
SOLE
0
0
10867
GENERAL FIN CORP DEL
COM
369822101
13211
2117213
SH
SOLE
0
0
2117213
GENERAL FIN CORP DEL
CUMREDEEMABLE 9.00000
369822507
3869
45494
SH
SOLE
0
0
45494
GENTEX CORP
COM
371901109
954
43039
SH
SOLE
0
0
43039
INPHI CORPORATION
COM
45772F107
931
11761
SH
SOLE
0
0
11761
INTUITIVE SURGICAL INC
COM NEW
46120E602
11224
22666
SH
SOLE
0
0
22666
IROBOT CORP
COM
462726100
5781
141343
SH
SOLE
0
0
141343
JOHNSON & JOHNSON
COM
478160104
271
2069
SH
SOLE
0
0
2069
KB HOME
COM
48666K109
188
10363
SH
SOLE
0
0
10363
KRAFT HEINZ CO
COM
500754106
239
9657
SH
SOLE
0
0
9657
LENNAR CORP
COM
526057104
194
5068
SH
SOLE
0
0
5068
LGI HOMES INC
COM
50187T106
171
3787
SH
SOLE
0
0
3787
LIVEPERSON INC
COM
538146101
223
9796
SH
SOLE
0
0
9796
LUMBER LIQUIDATORS HLDGS INC
COM
55003T107
4045
862367
SH
SOLE
0
0
862367
MACY S INC
COM
55616P104
156
31842
SH
SOLE
0
0
31842
MALLINCKRODT PLC
SHS
G5785G107
576
291019
SH
SOLE
0
0
291019
MARVELL TECH GROUP
ORD
G5876H105
321
14200
SH
SOLE
0
0
14200
MICROCHIP TECHNOLOGY
COM
595017104
682
10055
SH
SOLE
0
0
10055
MIMECAST LIMITED
ORD SHS
G14838109
123
3483
SH
SOLE
0
0
3483
MODEL N INC
COM
607525102
137
6147
SH
SOLE
0
0
6147
NAVIGATOR HOLDINGS LTD
SHS
Y62132108
5631
1262472
SH
SOLE
0
0
1262472
NCS MULTISTAGE HLDGS
COM
628877102
55
85522
SH
SOLE
0
0
85522
NEW RELIC INC
COM
64829B100
9966
215537
SH
SOLE
0
0
215537
NEXTIER OILFIELD SOLUTIONS
COM
65290C105
263
224737
SH
SOLE
0
0
224737
NINTENDO CO LTD
ADR
654445303
1431
29710
SH
SOLE
0
0
29710
NVIDIA CORP
COM
67066G104
338
1284
SH
SOLE
0
0
1284
ONTO INNOVATION INC
COM
683344105
7586
255680
SH
SOLE
0
0
255680
PACIRA BIOSCIENCES
COM
695127100
13652
407159
SH
SOLE
0
0
407159
PAN ORIENT ENERGY CORP
COM
69806Y106
588
1640179
SH
SOLE
0
0
1640179
PAYPAL HLDGS INC
COM
70450Y103
378
3951
SH
SOLE
0
0
3951
PENNANT GROUP INC
COM
70805E109
2779
196285
SH
SOLE
0
0
196285
PFIZER INC
COM
717081103
207
6356
SH
SOLE
0
0
6356
POWER SOLUTIONS INTL INC
COM
73933G202
4371
950296
SH
SOLE
0
0
950296
PROFOUND MED CORP
COM
74319B502
7480
767926
SH
SOLE
0
0
767926
PROTO LABS INC
COM
743713109
4377
57492
SH
SOLE
0
0
57492
QUIDEL CORP
COM
74838J101
6611
67586
SH
SOLE
0
0
67586
RADA ELECTRONICS INDUSTRIES
COM PAR NEW
M81863124
141
40383
SH
SOLE
0
0
40383
RANGE RESOURCES CORP
COM
75281A109
71
30971
SH
SOLE
0
0
30971
REDHILL BIOPHARMA LTD
SPONSORED ADS
757468103
449
99131
SH
SOLE
0
0
99131
RINGCENTRAL INC
CL A
76680R206
148
699
SH
SOLE
0
0
699
ROYAL DUTCH SHELL
SPONS ADR A
780259107
151
4341
SH
SOLE
0
0
4341
SECUREWORKS CORP
CL A
81374A105
5622
488432
SH
SOLE
0
0
488432
SEVEN GENERATIONS ENERGYLTD
SPON ADR B
81783Q105
22
20175
SH
SOLE
0
0
20175
SIRIUS XM HLDGS INC
COM
82968B103
87
17679
SH
SOLE
0
0
17679
SUNCOR ENERGY
COM
867224107
517
32744
SH
SOLE
0
0
32744
T2 BIOSYSTEMS INC
COM
89853L104
337
519079
SH
SOLE
0
0
519079
TALEND SA
ADS
874224207
968
43158
SH
SOLE
0
0
43158
TAPESTRY INC
COM
876030107
480
37068
SH
SOLE
0
0
37068
UNIQURE N.V.
SHS
N90064101
218
4594
SH
SOLE
0
0
4594
URANIUM PARTICIPATION CORP
COM
917017105
255
93145
SH
SOLE
0
0
93145
UR-ENERGY INC
COM
91688R108
194
500281
SH
SOLE
0
0
500281
VIAVI SOLUTIONS INC
COM
925550105
113
10113
SH
SOLE
0
0
10113
VONAGE HLDGS CORP
COM
92886T201
89
12261
SH
SOLE
0
0
12261
WELLS FARGO CO
COM
949746101
136
4725
SH
SOLE
0
0
4725
WILEY JOHN & SONS INC
CL A
968223206
409
10919
SH
SOLE
0
0
10919
WPX ENERGY INC
COM
98212B103
2075
680438
SH
SOLE
0
0
680438
YEXT INC
COM
98585N106
5606
550142
SH
SOLE
0
0
550142
ZENDESK INC
COM
98936J101
103
1604
SH
SOLE
0
0
1604
ZOGENIX INC
COM NEW
98978L204
236
9525
SH
SOLE
0
0
9525
ZUORA INC
COM CL A
98983V106
1260
156507
SH
SOLE
0
0
156507