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Institutional Investment Manager
GAGNON SECURITIES LLC
GAGNON SECURITIES LLC (CIK: 0001125725) incorporated in Delaware, located at 1370 Avenue Of The Americas, New York, NY. Institutional holdings reported to the SEC.

Institutional Holdings (2015Q1)
Portfolio Summary: 93 holdings with a total value of $301,431,000.
#
Name
Shares
Value ($)
%
Options
Notes
1 AIR LEASE CORP 477,863 18,035,000 5.98%
2 NEOVASC INC 1,981,133 17,830,000 5.92%
3 GENERAL FIN CORP DEL 2,195,906 17,721,000 5.88%
4 RED HAT INC 221,472 16,777,000 5.57%
5 POWER SOLUTIONS INTL INC COM NEW 249,607 16,047,000 5.32%
6 EQUINIX 66,022 15,373,000 5.10%
7 NOVADAQ TECHNOLOGIES INC 917,360 14,898,000 4.94%
8 CONSTANT CONTACT INC 382,580 14,618,000 4.85%
9 TANGOE INC COM 930,349 12,839,000 4.26%
10 ATHENA HEALTH INC. 106,751 12,745,000 4.23%
11 Amber Road Inc 1,241,358 11,483,000 3.81%
12 CNINSURE INC 1,313,741 11,338,000 3.76%
13 RUDOLPH TECHNOLOGIES INC 1,020,664 11,248,000 3.73%
14 ALPHA AND OMEGA SEMICONDUCTOR SHS 1,247,284 11,113,000 3.69%
15 AMERESCO INC 1,298,320 9,608,000 3.19%
16 RTI SURGICAL HOLDINGS INC COM 1,326,905 6,555,000 2.17%
17 MARKETO INC COM 248,995 6,379,000 2.12%
18 CAREDX INC 1,089,561 6,042,000 2.00%
19 NETSUITE INC 61,952 5,747,000 1.91%
20 CASTLIGHT HEALTH INC COM CL B 736,257 5,713,000 1.90%
21 CHRISTOPHER & BANKS CORP 980,432 5,451,000 1.81%
22 CommVault Systems Inc 118,945 5,198,000 1.72%
23 World Wrestling Entertainment Inc 349,915 4,902,000 1.63%
24 LL FLOORING HOLDINGS INC COM 74,653 2,298,000 0.76%
25 ZOGENIX INC 1,607,726 2,203,000 0.73%
26 GENTEX CORP 103,013 1,885,000 0.63%
27 NINTENDO LTD ADR UNSPONSORED 93,093 1,716,000 0.57%
28 APPLE INC 12,480 1,553,000 0.52%
29 DURECT CORP 813,235 1,553,000 0.52%
30 CARMAX 20,580 1,420,000 0.47%
31 AKAMAI TECH 18,624 1,323,000 0.44%
32 ROYAL CARIBBEAN GROUP 15,014 1,229,000 0.41%
33 COACH INC 27,096 1,123,000 0.37%
34 HERITAGE CRYSTAL CLEAN INC COM 94,304 1,103,000 0.37%
35 NETGEAR INC COM 32,509 1,069,000 0.35%
36 NATIONAL CINEMEDIA INC 68,100 1,028,000 0.34%
37 AMIRA NATURE FOODS LTD 113,803 1,020,000 0.34%
38 RALLY SOFTWARE DEV CORP 63,722 1,000,000 0.33%
39 GENERAC HLDGS INC 20,456 996,000 0.33%
40 ETHAN ALLEN INTERIORS INC COM 34,396 951,000 0.32%
41 GENERAL ELECTRIC CO 35,210 874,000 0.29%
42 RYMAN HOSPITALITY PPTYS INC 14,112 860,000 0.29%
43 MICROCHIP TECHNOLOGY 17,276 845,000 0.28%
44 COCA COLA CO 20,815 844,000 0.28%
45 FOSSIL GROUP INC 10,058 829,000 0.28%
46 ATLANTIC POWER CORP 290,605 817,000 0.27%
47 UR ENERGY INC 836,089 793,000 0.26%
48 HOLOGIC INC 23,841 787,000 0.26%
49 ACTUA CORP 49,833 772,000 0.26%
50 OVASCIENCE INC COM 21,068 732,000 0.24%
Page 1 of 2

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001019056-15-000478, filed 2015.05.12).

From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.