0001019056-17-000611.txt : 20170720
0001019056-17-000611.hdr.sgml : 20170720
20170720145528
ACCESSION NUMBER: 0001019056-17-000611
CONFORMED SUBMISSION TYPE: 13F-HR
PUBLIC DOCUMENT COUNT: 2
CONFORMED PERIOD OF REPORT: 20170630
FILED AS OF DATE: 20170720
DATE AS OF CHANGE: 20170720
EFFECTIVENESS DATE: 20170720
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: 17974140
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
06-30-2017
06-30-2017
false
GAGNON SECURITIES LLC
1370 Avenue of the Americas
24th Floor
New York
NY
10019
13F HOLDINGS REPORT
028-06377
N
Susan DuMont
Financial Operations Principal
212-554-5000
/s/ Susan DuMont
New York
NY
07-20-2017
0
89
360479
INFORMATION TABLE
2
infotable.xml
ACTUA CORP
COM
005094107
764
54365
SH
SOLE
0
0
54365
AIR LEASE CORP
CL A
00912X302
15575
416881
SH
SOLE
0
0
416881
AKAMAI TECHNOLOGIES INC
COM
00971T101
939
18856
SH
SOLE
0
0
18856
ALPHA & OMEGA SEMICONDUCTOR LTD
SHS
G6331P104
7481
448793
SH
SOLE
0
0
448793
AMBER ROAD INC
COM
02318Y108
11383
1328206
SH
SOLE
0
0
1328206
AMERESCO INC
CL A
02361E108
8523
1106875
SH
SOLE
0
0
1106875
ARCHER DANIELS MIDLAND
COM
039483102
492
11886
SH
SOLE
0
0
11886
ATHENAHEALTH INC
COM
04685W103
8741
62193
SH
SOLE
0
0
62193
ATLANTIC POWER CORP
COM NEW
04878Q863
131
54742
SH
SOLE
0
0
54742
BEL FUSE INC
CL B
077347300
218
8811
SH
SOLE
0
0
8811
BENEFITFOCUS INC
COM
08180D106
948
26074
SH
SOLE
0
0
26074
BLACK DIAMOND INC
COM
09202G101
333
50145
SH
SOLE
0
0
50145
BURBERRY GROUP PLC
COM
G1700D105
381
17651
SH
SOLE
0
0
17651
CAMECO CORP
COM
13321L108
193
21195
SH
SOLE
0
0
21195
CAREDX INC
COM
14167L103
2314
2084292
SH
SOLE
0
0
2084292
CARMAX INC
COM
143130102
1524
24168
SH
SOLE
0
0
24168
CASTLIGHT HEALTH INC
CL B
14862Q100
5965
1437328
SH
SOLE
0
0
1437328
CELGENE CORP
COM
151020104
256
1968
SH
SOLE
0
0
1968
CES ENERGY SOLUTIONS CORP
COM
15713J104
2627
590213
SH
SOLE
0
0
590213
CHIPOTLE MEXICAN GRILL INC
COM
169656105
930
2234
SH
SOLE
0
0
2234
CHRISTOPHER & BANKS CORP
COM
171046105
218
166739
SH
SOLE
0
0
166739
COACH INC
COM
189754104
1130
23864
SH
SOLE
0
0
23864
COMMVAULT SYSTEMS INC
COM
204166102
8332
147604
SH
SOLE
0
0
147604
D R HORTON INC
COM
23331A109
340
9839
SH
SOLE
0
0
9839
DENA CO LTD
COM
J1257N107
1012
45198
SH
SOLE
0
0
45198
DENISON MINES CORPORATION
COM
248356107
166
377302
SH
SOLE
0
0
377302
DURECT CORP
COM
266605104
2003
1283954
SH
SOLE
0
0
1283954
EOG RESOURCES INC
COM
26875P101
273
3018
SH
SOLE
0
0
3018
EQUINIX INC
COM
29444U700
8642
20136
SH
SOLE
0
0
20136
ETHAN ALLEN INTERIOR INC
COM
297602104
821
25430
SH
SOLE
0
0
25430
EVERBRIDGE INC
COM
29978A104
5336
219059
SH
SOLE
0
0
219059
EXACTEARTH LTD
COM
30064C103
30
31671
SH
SOLE
0
0
31671
EXXON MOBIL CORP
COM
30231G102
691
8557
SH
SOLE
0
0
8557
FAIRFAX INDIA HOLDINGS CORPORATION
COM
303897102
227
14182
SH
SOLE
0
0
14182
FANHUA INC
SPONSORED ADR
30712A103
3419
399368
SH
SOLE
0
0
399368
FIVE9 INC
CL A
338307101
11643
541045
SH
SOLE
0
0
541045
GENERAC HOLDINGS INC
COM
368736104
1287
35635
SH
SOLE
0
0
35635
GENERAL ELECTRIC CO
CL A
369604103
664
24601
SH
SOLE
0
0
24601
GENERAL FINANCE CORP
COM
369822101
10892
2114878
SH
SOLE
0
0
2114878
GENTEX CORP
CL A
371901109
911
48027
SH
SOLE
0
0
48027
GLOBAL X URANIUM
ETF
37954Y871
320
24316
SH
SOLE
0
0
24316
HORNBECK OFFSHORE SERVICES INC
COM
440543106
47
16720
SH
SOLE
0
0
16720
HOVNANIAN ENTERPRISES INC
COM
442487203
454
162039
SH
SOLE
0
0
162039
INPHI CORPORATION
COM
45772F107
324
9437
SH
SOLE
0
0
9437
INSTRUCTURE INC
COM
45781U103
5511
186814
SH
SOLE
0
0
186814
JOHNSON & JOHNSON
CL A
478160104
387
2924
SH
SOLE
0
0
2924
KB HOME
COM
48666K109
479
19967
SH
SOLE
0
0
19967
KEANE GROUP INC
COM
48669A108
546
34117
SH
SOLE
0
0
34117
LENNAR CORP
CL A
526057104
292
5469
SH
SOLE
0
0
5469
LIVEPERSON INC
COM
538146101
143
13042
SH
SOLE
0
0
13042
LUMBER LIQUIDATORS HOLDINGS INC
COM
55003T107
12469
497568
SH
SOLE
0
0
497568
MACYS INC
COM
55616P104
1181
50826
SH
SOLE
0
0
50826
MICROCHIP TECHNOLOGY INC
COM
595017104
787
10202
SH
SOLE
0
0
10202
MONSANTO CO
COM
61166W101
679
5733
SH
SOLE
0
0
5733
NAMIBIA RARE EARTHS INC
COM
62986A105
7
139465
SH
SOLE
0
0
139465
NAVIGATOR HOLDINGS LTD
SHS
Y62132108
4805
578891
SH
SOLE
0
0
578891
NEOVASC INC
COM
64065J106
4172
3023087
SH
SOLE
0
0
3023087
NETGEAR INC
COM
64111Q104
1610
37366
SH
SOLE
0
0
37366
NEW RELIC INC
COM
64829B100
8582
199539
SH
SOLE
0
0
199539
NINTENDO CO LTD
SPONSORED ADR
654445303
3214
76660
SH
SOLE
0
0
76660
NOVADAQ TECHNOLOGIES INC
COM
66987G102
2808
239577
SH
SOLE
0
0
239577
PAIN THERAPEUTICS INC
COM
69562K506
65
15568
SH
SOLE
0
0
15568
PAN ORIENT ENERGY CORP
COM
69806Y106
1044
753318
SH
SOLE
0
0
753318
PFIZER INC
COM
717081103
306
9113
SH
SOLE
0
0
9113
PITNEY BOWES INC
COM
724479100
222
14731
SH
SOLE
0
0
14731
POWER SOLUTIONS INTL INC
COM
73933G202
4314
484678
SH
SOLE
0
0
484678
PROFOUND MED CORP
COM
74319B106
2232
2520364
SH
SOLE
0
0
2520364
RED HAT INC
COM
756577102
139598
132338
SH
SOLE
0
0
132338
ROYAL WOLF HOLDINGS LTD
COM
Q8153C103
82
85034
SH
SOLE
0
0
85034
RTI SURGICAL INC
COM
74975N105
385
65756
SH
SOLE
0
0
65756
RUDOLPH TECH INC
COM
781270103
9964
436082
SH
SOLE
0
0
436082
SONIC CORP
COM
835451105
276
10424
SH
SOLE
0
0
10424
SORRENTO THERAPEUTICS INC
COM NEW
83587F202
63
31586
SH
SOLE
0
0
31586
STEALTHGAS INC
COM
Y81669106
505
155524
SH
SOLE
0
0
155524
SUNCOR ENERGY INC
COM
867224107
6763
231608
SH
SOLE
0
0
231608
SYNCHRONY FINANCIAL
COM
87165B103
423
14182
SH
SOLE
0
0
14182
SYSMEX CORP
COM
J7864H102
553
9253
SH
SOLE
0
0
9253
TAILORED BRANDS INC
COM
87403A107
548
49091
SH
SOLE
0
0
49091
TALEND SA
COM
874224207
5997
172432
SH
SOLE
0
0
172432
TITAN PHARMACEUTICALS INC
COM
888314309
67
35092
SH
SOLE
0
0
35092
UR ENERGY INC
COM
91688R108
215
343084
SH
SOLE
0
0
343084
URANIUM PARTICIPATION CORP
COM
917017105
42
13852
SH
SOLE
0
0
13852
VANDA PHARMACEUTICALS INC
COM
921659108
296
18131
SH
SOLE
0
0
18131
WESTROCK CO
COM
96145D105
365
6441
SH
SOLE
0
0
6441
WILEY JOHN & SONS INC
CL A
968223206
641
12144
SH
SOLE
0
0
12144
WPX ENERGY INC
COM
98212B103
6251
647115
SH
SOLE
0
0
647115
XEROX CORP
COM
984121608
590
20544
SH
SOLE
0
0
20544
XTREME DRILLING CORP
COM
98419V100
138
86822
SH
SOLE
0
0
86822
ZOGENIX INC
COM
98978L204
1962
135329
SH
SOLE
0
0
135329