0001019056-14-001315.txt : 20141016
0001019056-14-001315.hdr.sgml : 20141016
20141015162609
ACCESSION NUMBER: 0001019056-14-001315
CONFORMED SUBMISSION TYPE: 13F-HR
PUBLIC DOCUMENT COUNT: 2
CONFORMED PERIOD OF REPORT: 20140930
FILED AS OF DATE: 20141015
DATE AS OF CHANGE: 20141015
EFFECTIVENESS DATE: 20141015
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: 141157877
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
09-30-2014
09-30-2014
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
10-15-2014
0
99
299344
INFORMATION TABLE
2
infotable.xml
ACTUA CORPORATION
COM
005094107
709
44270
SH
SOLE
0
0
44270
ADAMAS PHARMACEUTICALS INC COM
COM
00548A106
232
12450
SH
SOLE
0
0
12450
AIR LEASE CORPORATION CL A
CL A
00912X302
16351
503115
SH
SOLE
0
0
503115
AKAMAI TECHNOLOGIES INC
COM
00971T101
1100
18394
SH
SOLE
0
0
18394
ALPHA & OMEGA SEMICONDUCTOR LIMITED
SHS
G6331p104
12201
1298003
SH
SOLE
0
0
1298003
ALPHATEC HLDGS INC
COM
02081G102
37
21520
SH
SOLE
0
0
21520
AMBER ROAD INC COM
COM
02318Y108
11591
668469
SH
SOLE
0
0
668469
AMERESCO INC CL A
CL A
02361E108
9143
1334676
SH
SOLE
0
0
1334676
AMIRA NATURE FOODS LTD
SHS
G6613P202
1550
98976
SH
SOLE
0
0
98976
AMN HEALTHCARE SVCS INC
COM
001744101
1031
65675
SH
SOLE
0
0
65675
ANADIGICS INC
COM
032515108
129
192271
SH
SOLE
0
0
192271
APPLE INC
COM
037833100
1707
16939
SH
SOLE
0
0
16939
ARCHER-DANIELS-MIDLAND CO
COM
039483102
513
10046
SH
SOLE
0
0
10046
ATHENAHEALTH INC
COM
04685W103
15290
116108
SH
SOLE
0
0
116108
ATLANTIC POWER CORPORATION
COM NEW
04878Q863
697
291605
SH
SOLE
0
0
291605
BEL FUSE INC-CL B
CL B
077347300
424
17133
SH
SOLE
0
0
17133
BENEFITFOCUS INC COM
COM
08180D106
319
11847
SH
SOLE
0
0
11847
BIOSCRIP INC
COM
09069N108
123
17821
SH
SOLE
0
0
17821
BLACKBERRY LTD COM
COM
09228F103
332
33350
SH
SOLE
0
0
33350
CALLWAVE INC
COM
13126N200
11
19205
SH
SOLE
0
0
19205
CAREDX INC COM
COM
14167L103
4217
602435
SH
SOLE
0
0
602435
CARMAX INC
COM
143130102
836
17994
SH
SOLE
0
0
17994
CASTLIGHT HEALTH INC CL B
CL B
14862Q100
5543
428323
SH
SOLE
0
0
428323
CHRISTOPHER & BANKS CORP
COM
171046105
8204
829546
SH
SOLE
0
0
829546
CNINSURE INC SPONSORED ADR
SPONSORED ADR
18976M103
6270
1140040
SH
SOLE
0
0
1140040
COACH INC
COM
189754104
833
23395
SH
SOLE
0
0
23395
COCA COLA COMPANY (THE)
COM
191216100
869
20370
SH
SOLE
0
0
20370
COM DEV INTERNATIONAL LTD
COM
199907106
260
82149
SH
SOLE
0
0
82149
COMMVAULT SYSTEMS INC
COM
204166102
6223
123467
SH
SOLE
0
0
123467
CONSTANT CONTACT INC
COM
210313102
13050
480833
SH
SOLE
0
0
480833
CYTORI THERAPEUTICS INC
COM
23283K105
38
56439
SH
SOLE
0
0
56439
D R HORTON INC
COM
23331A109
257
12542
SH
SOLE
0
0
12542
DENISON MINES CORP
COM
248356107
764
668619
SH
SOLE
0
0
668619
DTS INC
COM
23335C101
1500
59423
SH
SOLE
0
0
59423
DURECT CORP
COM
266605104
1118
760475
SH
SOLE
0
0
760475
E2OPEN INC COM
COM
29788A104
5654
607351
SH
SOLE
0
0
607351
EQUINIX INC
COM
29444U502
16538
77832
SH
SOLE
0
0
77832
ETHAN ALLEN INTERIORS INC
COM
297602104
757
33201
SH
SOLE
0
0
33201
FAIRWAY GROUP HOLDINGS CORP CLASS A
CL A
30603D109
59
15851
SH
SOLE
0
0
15851
FARO TECHNOLOGIES INC
COM
311642102
206
4065
SH
SOLE
0
0
4065
FINANCIAL ENGINES INC
COM
317485100
5371
156970
SH
SOLE
0
0
156970
FOSSIL GROUP INC
COM
34988V106
549
5845
SH
SOLE
0
0
5845
FXCM INC COM CL A
CL A
302693106
2983
188227
SH
SOLE
0
0
188227
GENERAC HOLDINGS INC
COM
368736104
789
19454
SH
SOLE
0
0
19454
GENERAL ELECTRIC CO
COM
369604103
897
35000
SH
SOLE
0
0
35000
GENERAL FINANCE CORPORATION
COM
369822101
20561
2317991
SH
SOLE
0
0
2317991
GENTEX CORP
COM
371901109
1349
50381
SH
SOLE
0
0
50381
GREEN DOT CORPORATION CL A
CL A
39304D102
246
11635
SH
SOLE
0
0
11635
HEALTHWAYS INC
COM
422245100
714
44597
SH
SOLE
0
0
44597
HOLOGIC INC
COM
436440101
612
25157
SH
SOLE
0
0
25157
HORNBECK OFFSHORE SERVICES INC
COM
440543106
211
6453
SH
SOLE
0
0
6453
HOVNANIAN ENTERPRISES INC-CL A
CL A
442487203
314
85651
SH
SOLE
0
0
85651
INPHI CORP
COM
45772F107
642
44630
SH
SOLE
0
0
44630
INTRALINKS HOLDINGS INC
COM
46118H104
133
16370
SH
SOLE
0
0
16370
JOHN WILEY & SONS INC-CL A
CL A
968223206
577
10291
SH
SOLE
0
0
10291
JOHNSON & JOHNSON
COM
478160104
331
3102
SH
SOLE
0
0
3102
KB HOME
COM
48666K109
306
20477
SH
SOLE
0
0
20477
LENNAR CORP CL A
CL A
526057104
217
5595
SH
SOLE
0
0
5595
LIVEPERSON INC
COM
538146101
175
13891
SH
SOLE
0
0
13891
LULULEMON ATHLETICA INC
COM
550021109
201
4786
SH
SOLE
0
0
4786
MARKETO INC COM
COM
57063L107
8009
247971
SH
SOLE
0
0
247971
MICROCHIP TECHNOLOGY INC
COM
595017104
711
15055
SH
SOLE
0
0
15055
MICRON TECHNOLOGY INC
COM
595112103
296
8644
SH
SOLE
0
0
8644
MONSANTO CO
COM
61166W101
500
4448
SH
SOLE
0
0
4448
NAMIBIA RARE EARTHS INC COMMON
COM
62986A105
111
691230
SH
SOLE
0
0
691230
NATIONAL CINEMEDIA INC
COM
635309107
497
34273
SH
SOLE
0
0
34273
NEOVASC INC
COM
64065J106
14852
2619389
SH
SOLE
0
0
2619389
NETGEAR INC
COM
64111Q104
787
25183
SH
SOLE
0
0
25183
NETSUITE INC
COM
64118Q107
5955
66502
SH
SOLE
0
0
66502
NINTENDO CO LTD-ADR NEW
SPONSORED ADR
654445303
1332
98015
SH
SOLE
0
0
98015
NIVS INTELLIMEDIA TECHNOLOGY GROUP INC
COM
62914U108
0
43594
SH
SOLE
0
0
43594
NORTH ATLANTIC DRILLING LTD
COM
G6613p202
318
47755
SH
SOLE
0
0
47755
NOVADAQ TECHNOLOGIES INC COMMON
COM
66987G102
10543
830810
SH
SOLE
0
0
830810
OVASCIENCE INC COM
COM
69014Q101
1071
64534
SH
SOLE
0
0
64534
PAIN THERAPEUTICS INC
COM
69562K100
244
62385
SH
SOLE
0
0
62385
POWER SOLUTIONS INTERNATIONAL INC
COM NEW
73933G202
11565
167610
SH
SOLE
0
0
167610
RALLY SOFTWARE DEV CORP COM
COM
751198102
978
81415
SH
SOLE
0
0
81415
RED HAT INC
COM
756577102
14361
255754
SH
SOLE
0
0
255754
ROYAL CARIBBEAN CRUISES LTD
COM
v7780t103
770
11447
SH
SOLE
0
0
11447
RTI SURGICAL INC
COM
74975N105
9290
1943522
SH
SOLE
0
0
1943522
RUDOLPH TECHNOLOGIES INC
COM
781270103
9896
1093507
SH
SOLE
0
0
1093507
RYMAN HOSPITALITY PPTYS INC COM
COM
78377T107
638
13494
SH
SOLE
0
0
13494
SCO GROUP INC (THE)
SHS
78403A106
2
81250
SH
SOLE
0
0
81250
SEAGATE TECHNOLOGY PLC
SHS
G7954m107
200
3499
SH
SOLE
0
0
3499
STANDARD PACIFIC CORP NEW
COM
85375C101
154
20529
SH
SOLE
0
0
20529
STEALTHGAS INC
SHS
y81669106
887
97382
SH
SOLE
0
0
97382
TANGOE INC
COM
87582Y108
12368
912769
SH
SOLE
0
0
912769
TITAN PHARMACEUTICALS INC
COM
888314101
263
473109
SH
SOLE
0
0
473109
TIVO INC
COM
888706108
525
40996
SH
SOLE
0
0
40996
TV AZTECA SAB DE C CPO
COM
R32035116
13
25600
SH
SOLE
0
0
25600
TWIN DISC INC
COM
901476101
303
11255
SH
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0
0
11255
UBIQUITI NETWORKS INC COM
COM
90347A100
327
8724
SH
SOLE
0
0
8724
URANIUM RESOURCES INC
COM PAR $0.00 New
916901606
1532
605398
SH
SOLE
0
0
605398
UR-ENERGY
COM
91688R108
3447
3418583
SH
SOLE
0
0
3418583
VANDA PHARMACEUTICALS INC
COM
921659108
774
74612
SH
SOLE
0
0
74612
VEEVA SYSTEMS INC CL A COM
CL A COM
922475108
269
9534
SH
SOLE
0
0
9534
WORLD WRESTLING ENTERTAINMENT INC CL A
CL A
98156Q108
1001
72708
SH
SOLE
0
0
72708
XTREME DRILLING & COIL SVCS CORP COM
COM
98419V100
179
50370
SH
SOLE
0
0
50370
ZOGENIX INC
COM
98978L105
509
442380
SH
SOLE
0
0
442380