0001019056-16-001642.txt : 20161114
0001019056-16-001642.hdr.sgml : 20161111
20161114163152
ACCESSION NUMBER: 0001019056-16-001642
CONFORMED SUBMISSION TYPE: 13F-HR
PUBLIC DOCUMENT COUNT: 2
CONFORMED PERIOD OF REPORT: 20160930
FILED AS OF DATE: 20161114
DATE AS OF CHANGE: 20161114
EFFECTIVENESS DATE: 20161114
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: 161995231
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
09-30-2016
09-30-2016
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
11-14-2016
0
97
234999
INFORMATION TABLE
2
infotable.xml
ACTUA CORPORATION
COM
5094107
730
56384
SH
SOLE
0
0
56384
AIR LEASE CORPORATION
CL A
00912X302
12880
450680
SH
SOLE
0
0
450680
AKAMAI TECHNOLOGIES INC
COM
00971T101
1027
19384
SH
SOLE
0
0
19384
ALPHA & OMEGA SEMICONDUCTOR LIMITED
SHS
G6331P104
10927
503073
SH
SOLE
0
0
503073
AMBER ROAD INC
COM
02318Y108
12371
1281950
SH
SOLE
0
0
1281950
AMERESCO INC
CL A
02361E108
7180
1365007
SH
SOLE
0
0
1365007
ARCHER-DANIELS-MIDLAND
COM
39483102
450
10672
SH
SOLE
0
0
10672
ATHENAHEALTH INC
COM
04685W103
12652
100317
SH
SOLE
0
0
100317
ATLANTIC POWER CORPORATION
COM NEW
04878Q863
441
178679
SH
SOLE
0
0
178679
BEL FUSE INC
CL B
77347300
411
17023
SH
SOLE
0
0
17023
BENEFITFOCUS INC
COM
08180D106
3963
99265
SH
SOLE
0
0
99265
BLACK DIAMOND INC
COM
09202G101
364
70865
SH
SOLE
0
0
70865
BOINGO WIRELESS INC
COM
09739C102
157
15250
SH
SOLE
0
0
15250
BURBERRY GROUP
COM
G1700D105
335
18725
SH
SOLE
0
0
18725
CAMECO CORPORATION
COM
13321L108
181
21195
SH
SOLE
0
0
21195
CANADIAN ENERGY SERVICES
COM
13566W108
2259
571955
SH
SOLE
0
0
571955
CAREDX INC
COM
14167L103
6269
1765813
SH
SOLE
0
0
1765813
CARMAX INC
COM
143130102
1323
24800
SH
SOLE
0
0
24800
CASTLIGHT HEALTH INC
CL B
14862Q100
6055
1455524
SH
SOLE
0
0
1455524
CELGENE CORPORATION
COM
151020104
206
1975
SH
SOLE
0
0
1975
CHIPOTLE MEXICAN GRILL INC
COM
169656105
743
1755
SH
SOLE
0
0
1755
CHRISTOPHER & BANKS CORP
COM
171046105
1568
1081299
SH
SOLE
0
0
1081299
CNINSURE INC
SPONSORED ADR
18976M103
5576
724139
SH
SOLE
0
0
724139
COACH INC
COM
189754104
1038
28393
SH
SOLE
0
0
28393
COCA COLA COMPANY
COM
191216100
335
7927
SH
SOLE
0
0
7927
COMMVAULT SYSTEMS INC
COM
204166102
8275
155752
SH
SOLE
0
0
155752
D R HORTON INC
COM
23331A109
297
9839
SH
SOLE
0
0
9839
DENA
COM
J1257N107
1525
42263
SH
SOLE
0
0
42263
DENISON MINES CORPORATION
COM
248356107
177
377302
SH
SOLE
0
0
377302
DURECT CORP
COM
266605104
1342
965782
SH
SOLE
0
0
965782
ENZYMOTEC LTD
SHS
M4059L101
1670
238627
SH
SOLE
0
0
238627
EOG RESOURCES INC
COM
26875P101
357
3693
SH
SOLE
0
0
3693
EQUINIX INC
COM
29444U502
6815
18917
SH
SOLE
0
0
18917
ETHAN ALLEN INTERIORS INC
COM
297602104
975
31175
SH
SOLE
0
0
31175
EXACTEARTH LTD
COM
30064C103
42
39263
SH
SOLE
0
0
39263
EXXON MOBIL CORP
COM
30231G102
777
8903
SH
SOLE
0
0
8903
FIVE9 INC
CL A
338307101
8863
565236
SH
SOLE
0
0
565236
FOSSIL GROUP INC
COM
34988V106
1475
53129
SH
SOLE
0
0
53129
GENERAC HOLDINGS INC
COM
368736104
1317
36292
SH
SOLE
0
0
36292
GENERAL ELECTRIC CO
CL A
369604103
756
25531
SH
SOLE
0
0
25531
GENERAL FINANCE CORPORATION
COM
369822705
9806
2179157
SH
SOLE
0
0
2179157
GENTEX CORP
COM
371901109
1062
60476
SH
SOLE
0
0
60476
GREEN DOT CORPORATION
CL A
39304D102
297
12884
SH
SOLE
0
0
12884
HORNBECK OFFSHORE SERVICES
COM
440543106
72
13050
SH
SOLE
0
0
13050
HOVNANIAN ENTERPRISES INC
CL A
442487203
274
162039
SH
SOLE
0
0
162039
INPHI CORP
COM
45772F107
952
21885
SH
SOLE
0
0
21885
INSTRUCTURE INC
COM
45781U103
502
19793
SH
SOLE
0
0
19793
JOHNSON & JOHNSON
COM
478160104
376
3179
SH
SOLE
0
0
3179
KB HOME
COM
48666K109
322
19967
SH
SOLE
0
0
19967
LENNAR CORP
CL A
526057104
232
5469
SH
SOLE
0
0
5469
LIVEPERSON INC
COM
538146101
125
14821
SH
SOLE
0
0
14821
LUMBER LIQUIDATORS HOLDINGS INC
COM
55003T107
12146
617484
SH
SOLE
0
0
617484
MACYS INC
COM
55616P104
653
17631
SH
SOLE
0
0
17631
MICROCHIP TECHNOLOGY INC
COM
595017104
1132
18216
SH
SOLE
0
0
18216
MONSANTO CO
COM
61166W101
875
8563
SH
SOLE
0
0
8563
NAMIBIA RARE EARTHS INC
COM
62986A105
37
687425
SH
SOLE
0
0
687425
NATIONAL CINEMEDIA INC
COM
635309107
776
52728
SH
SOLE
0
0
52728
NAVIGATOR HOLDINGS LTD
SHS
Y62132108
4529
629963
SH
SOLE
0
0
629963
NEOVASC INC
COM
64065J106
1553
2946509
SH
SOLE
0
0
2946509
NETGEAR INC
COM
64111Q104
1485
24552
SH
SOLE
0
0
24552
NEW RELIC INC
COM
64829B100
3746
97744
SH
SOLE
0
0
97744
NINTENDO CO LTD
SPONSORED ADR
654445303
2443
74388
SH
SOLE
0
0
74388
NIVS INTELLIMEDIA TECHNOLOGY GROUP INC
COM
62914U108
0
43594
SH
SOLE
0
0
43594
NOVADAQ TECHNOLOGIES INC
COM
66987G102
8009
692258
SH
SOLE
0
0
692258
OVASCIENCE INC
COM
69014Q101
307
42887
SH
SOLE
0
0
42887
PAIN THERAPEUTICS INC
COM
69562k100
69
69466
SH
SOLE
0
0
69466
PFIZER INC
COM
717081103
293
8647
SH
SOLE
0
0
8647
POWER SOLUTIONS INTERNATIONAL INC
COM NEW
73933G202
4393
428615
SH
SOLE
0
0
428615
PROFOUND MEDICAL CORP
COM
74319B106
1669
1674456
SH
SOLE
0
0
1674456
RED HAT INC
COM
756577102
11536
142718
SH
SOLE
0
0
142718
ROYAL CARIBBEAN CRUISES LTD
COM
V7780T103
1028
13722
SH
SOLE
0
0
13722
ROYAL WOLF
COM
369822101
89
87790
SH
SOLE
0
0
87790
RTI SURGICAL INC
COM
74975N105
819
261785
SH
SOLE
0
0
261785
RUDOLPH TECHNOLOGIES INC
COM
781270103
12241
690026
SH
SOLE
0
0
690026
SORRENTO THERAPEUTICS INC.
COM NEW
83587F202
86
11116
SH
SOLE
0
0
11116
STEALTHGAS INC
SHS
Y81669106
328
94603
SH
SOLE
0
0
94603
SUNCOR ENERGY INC
COM
867224107
6111
219979
SH
SOLE
0
0
219979
SYNCHRONY FINANCIAL
COM
87165B103
414
14803
SH
SOLE
0
0
14803
SYSMEX CORPORATION
COM
917017105
701
9536
SH
SOLE
0
0
9536
TAILORED BRANDS INC
COM
87403A107
581
37038
SH
SOLE
0
0
37038
TALEND S.A.
COM
874224207
2607
99663
SH
SOLE
0
0
99663
TANGOE INC
COM
87582Y108
978
118530
SH
SOLE
0
0
118530
TITAN PHARMACEUTICALS INC
COM
888314101
364
61828
SH
SOLE
0
0
61828
TIVO INC
COM
88870P106
294
15071
SH
SOLE
0
0
15071
UBIQUITI NETWORKS INC
COM
90347A100
400
7483
SH
SOLE
0
0
7483
URANIUM PARTICIPATION CORPORATION
COM
917017121
288
96450
SH
SOLE
0
0
96450
UR-ENERGY
COM
91688R108
432
872126
SH
SOLE
0
0
872126
VANDA PHARMACEUTICALS INC
COM
921659108
309
18590
SH
SOLE
0
0
18590
WESTROCK CO
COM
96145D105
323
6667
SH
SOLE
0
0
6667
JOHN WILEY & SONS INC
CL A
968223206
624
12086
SH
SOLE
0
0
12086
WORLD WRESTLING ENTERTAINMENT INC
CL A
98156Q108
1550
72765
SH
SOLE
0
0
72765
WPX ENERGY INC
COM
98212B103
5144
390006
SH
SOLE
0
0
390006
WPX ENERGY INC
CLA A PRE
98212B202
326
5320
SH
SOLE
0
0
5320
XACTLY CORPORATION
COM
98386L101
2994
203430
SH
SOLE
0
0
203430
XEROX CORP
COM
984121103
307
30275
SH
SOLE
0
0
30275
XTREME DRILLING & COIL SVCS CO
COM
98419V100
138
76760
SH
SOLE
0
0
76760
ZOGENIX INC
COM NEW
98978L204
1748
152935
SH
SOLE
0
0
152935