0001019056-15-000817.txt : 20151016
0001019056-15-000817.hdr.sgml : 20151016
20151016111932
ACCESSION NUMBER: 0001019056-15-000817
CONFORMED SUBMISSION TYPE: 13F-HR
PUBLIC DOCUMENT COUNT: 2
CONFORMED PERIOD OF REPORT: 20150930
FILED AS OF DATE: 20151016
DATE AS OF CHANGE: 20151016
EFFECTIVENESS DATE: 20151016
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: 151161427
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
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false
0001125725
XXXXXXXX
09-30-2015
09-30-2015
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
10-16-2015
0
88
204427
INFORMATION TABLE
2
infotable.xml
ACTUA CORPORATION
COM
005094107
653
55566
SH
SOLE
0
0
55566
AIR LEASE CORPORATION
CL A
00912X302
13530
437597
SH
SOLE
0
0
437597
AKAMAI TECHNOLOGIES INC
COM
00971T101
1285
18601
SH
SOLE
0
0
18601
ALPHA & OMEGA SEMICONDUCTOR LIMITED
SHS
G6331P104
6932
889856
SH
SOLE
0
0
889856
AMBER ROAD INC
COM
02318Y108
5430
1286750
SH
SOLE
0
0
1286750
AMERESCO INC
CL A
02361E108
7822
1330318
SH
SOLE
0
0
1330318
ANADIGICS INC
COM
032515108
40
181112
SH
SOLE
0
0
181112
APPLE INC
COM
037833100
1207
10946
SH
SOLE
0
0
10946
ARCHER-DANIELS-MIDLAND CO
COM
039483102
444
10702
SH
SOLE
0
0
10702
ATHENAHEALTH INC
COM
04685W103
13518
101369
SH
SOLE
0
0
101369
ATLANTIC POWER CORPORATION
COM NEW
04878Q863
539
289965
SH
SOLE
0
0
289965
BEL FUSE INC
CL B
077347300
332
17088
SH
SOLE
0
0
17088
BENEFITFOCUS INC
COM
08180D106
516
16499
SH
SOLE
0
0
16499
BLACK DIAMIOND INC
COM
09202G101
539
85807
SH
SOLE
0
0
85807
BOINGO WIRELESS INC
COM
09739C102
96
11546
SH
SOLE
0
0
11546
CALLWAVE INC
COM
13126N200
0
19205
SH
SOLE
0
0
19205
CAREDX INC
COM
14167L103
4894
1173571
SH
SOLE
0
0
1173571
CARMAX INC
COM
143130102
1137
19170
SH
SOLE
0
0
19170
CASTLIGHT HEALTH INC
CL B
14862Q100
3907
930173
SH
SOLE
0
0
930173
CELGENE CORP
COM
151020104
217
2003
SH
SOLE
0
0
2003
CHRISTOPHER & BANKS CORP
COM
171046105
1267
1141244
SH
SOLE
0
0
1141244
CNINSURE INC
SPONSORED ADR
18976M103
8719
1139747
SH
SOLE
0
0
1139747
COACH INC
COM
189754104
817
28257
SH
SOLE
0
0
28257
COCA COLA COMPANY
COM
191216100
832
20745
SH
SOLE
0
0
20745
COM DEV INTERNATIONAL LTD
COM
199907106
289
88539
SH
SOLE
0
0
88539
COMMVAULT SYSTEMS INC
COM
204166102
5249
154553
SH
SOLE
0
0
154553
CONSTANT CONTACT INC
COM
210313102
6135
253094
SH
SOLE
0
0
253094
D R HORTON INC
COM
23331A109
364
12405
SH
SOLE
0
0
12405
DENISON MINES CORP
COM
G10082140
159
416131
SH
SOLE
0
0
416131
DURECT CORP
COM
266605104
1586
813235
SH
SOLE
0
0
813235
EQUINIX INC
COM
29444U700
13545
49543
SH
SOLE
0
0
49543
ETHAN ALLEN INTERIORS INC
COM
297602104
923
34956
SH
SOLE
0
0
34956
EXXON MOBIL CORP
COM
30231G102
394
5294
SH
SOLE
0
0
5294
FOSSIL GROUP INC
COM
34988V106
903
16156
SH
SOLE
0
0
16156
FXCM INC
CL A
302693106
147
168518
SH
SOLE
0
0
168518
GENERAC HOLDINGS INC
COM
368736104
1002
33307
SH
SOLE
0
0
33307
GENERAL ELECTRIC CO
COM
369604103
797
31583
SH
SOLE
0
0
31583
GENERAL FINANCE CORPORATION
COM
369822101
8117
2193734
SH
SOLE
0
0
2193734
GENTEX CORP
COM
371901109
969
62545
SH
SOLE
0
0
62545
GREEN DOT CORPORATION
CL A
39304D102
362
20577
SH
SOLE
0
0
20577
HERITAGE CRYSTAL CLEAN INC
COM
42726M106
1189
115758
SH
SOLE
0
0
115758
HORNBECK OFFSHORE SERVICES
COM
440543106
162
11980
SH
SOLE
0
0
11980
HOVNANIAN ENTERPRISES INC
CL A
442487203
150
84579
SH
SOLE
0
0
84579
INPHI CORP
COM
45772F107
848
35270
SH
SOLE
0
0
35270
JOHNSON & JOHNSON
COM
478160104
299
3207
SH
SOLE
0
0
3207
KB HOME
COM
48666K109
275
20285
SH
SOLE
0
0
20285
LENNAR CORP
CL A
526057104
267
5548
SH
SOLE
0
0
5548
LIVEPERSON INC
COM
538146101
110
14596
SH
SOLE
0
0
14596
LUMBER LIQUIDATORS HOLDINGS INC
COM
55003T107
2956
224980
SH
SOLE
0
0
224980
LUMINEX CORP
COM
55027E102
173
10227
SH
SOLE
0
0
10227
MARKETO INC
COM
57063L107
6518
229363
SH
SOLE
0
0
229363
MATTEL INC
COM
577081102
212
10060
SH
SOLE
0
0
10060
MICROCHIP TECHNOLOGY INC
COM
595017104
757
17558
SH
SOLE
0
0
17558
MICRON TECHNOLOGY INC
CALL
595112903
6
143
SH
Call
SOLE
0
0
143
MONSANTO CO
COM
61166W101
381
4465
SH
SOLE
0
0
4465
NAMIBIA RARE EARTHS INC
COM
62986A105
31
691625
SH
SOLE
0
0
691625
NATIONAL CINEMEDIA INC
COM
635309107
925
68962
SH
SOLE
0
0
68962
NAVIGATOR HOLDINGS LTD
SHS
Y62132108
3772
282520
SH
SOLE
0
0
282520
NEOVASC INC
COM
64065J106
9198
1873318
SH
SOLE
0
0
1873318
NETGEAR INC
COM
64111Q104
971
33285
SH
SOLE
0
0
33285
NETSUITE INC
COM
64118Q107
4702
56048
SH
SOLE
0
0
56048
NINTENDO CO LTD
SPONSORED ADR
654445303
1813
86601
SH
SOLE
0
0
86601
NORTH ATLANTIC DRILLING LTD
COM
G6613P202
52
68060
SH
SOLE
0
0
68060
NOVADAQ TECHNOLOGIES INC
COM
66987G102
2030
194635
SH
SOLE
0
0
194635
OVASCIENCE INC
COM
69014Q101
241
28441
SH
SOLE
0
0
28441
PAIN THERAPEUTICS INC
COM
69562K100
115
62799
SH
SOLE
0
0
62799
POWER SOLUTIONS INTERNATIONAL INC
COM NEW
73933G202
7445
327820
SH
SOLE
0
0
327820
RED HAT INC
COM
756577102
14190
197411
SH
SOLE
0
0
197411
ROYAL CARIBBEAN CRUISES LTD
COM
V7780T103
1333
14960
SH
SOLE
0
0
14960
RTI SURGICAL INC
COM
74975N105
1031
181529
SH
SOLE
0
0
181529
RUDOLPH TECHNOLOGIES INC
COM
781270103
9821
788813
SH
SOLE
0
0
788813
SORRENTO THERAPEUTICS INC.
COM NEW
83587F202
92
11001
SH
SOLE
0
0
11001
STANDARD PACIFIC CORP
COM
85375C101
162
20218
SH
SOLE
0
0
20218
STEALTHGAS INC
SHS
Y81669106
485
108093
SH
SOLE
0
0
108093
STRATEGIC OIL & GAS LTD
SPONSORED ADR
86277F101
37
409002
SH
SOLE
0
0
409002
TANGOE INC
COM
87582Y108
5912
821096
SH
SOLE
0
0
821096
TELADOC INC
COM
87918A105
3862
173280
SH
SOLE
0
0
173280
TITAN PHARMACEUTICALS INC
COM
888314101
243
61004
SH
SOLE
0
0
61004
TIVO INC
COM
888706108
342
39501
SH
SOLE
0
0
39501
UBIQUITI NETWORKS INC COM
COM
90347A100
398
11740
SH
SOLE
0
0
11740
URANIUM PARTICIPATION CORPORATION
COM
917017105
358
97068
SH
SOLE
0
0
97068
UR-ENERGY
COM
91688R108
470
825289
SH
SOLE
0
0
825289
VANDA PHARMACEUTICALS INC
COM
921659108
464
41139
SH
SOLE
0
0
41139
WILEY JOHN & SONS INC
CL A
968223206
555
11094
SH
SOLE
0
0
11094
WORLD WRESTLING ENTERTAINMENT INC
CL A
98156Q108
1463
86558
SH
SOLE
0
0
86558
WPX ENERGY INC COM USD1
COM
98212B103
88
13277
SH
SOLE
0
0
13277
XTREME DRILLING & COIL SVCS CORP
COM
98419V100
139
112656
SH
SOLE
0
0
112656
ZOGENIX INC
COM
98978L105
1770
131083
SH
SOLE
0
0
131083