Gagnon Securities

Gagnon Securities as of March 31, 2012

Portfolio Holdings for Gagnon Securities

Gagnon Securities holds 72 positions in its portfolio as reported in the March 2012 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Novadaq Technologies 6.5 $13M 193k 65.50
Red Hat 5.6 $11M 18k 598.93
athenahealth 5.4 $11M 14k 741.20
Ellie Mae 5.1 $10M 89k 111.60
FXCM 4.5 $8.8M 68k 129.90
Equinix 4.4 $8.6M 5.5k 1574.55
Constant Contact 4.4 $8.5M 29k 297.89
PLX Technology 4.0 $7.8M 194k 40.20
Rudolph Technologies 3.8 $7.5M 67k 111.10
Cymer 3.8 $7.5M 15k 500.03
RTI Biologics 3.7 $7.3M 197k 37.00
Tangoe 3.7 $7.3M 39k 188.10
Alpha & Omega Semiconductor (AOSL) 3.4 $6.5M 68k 96.21
General Finance Corporation 3.3 $6.4M 221k 28.80
CarMax (KMX) 3.2 $6.3M 18k 346.51
Ameres (AMRC) 3.1 $6.1M 45k 135.51
Com Dev International 2.7 $5.2M 255k 20.56
Air Lease Corp (AL) 2.6 $5.1M 21k 240.71
Icg Group 2.4 $4.7M 53k 89.51
NetSuite 2.3 $4.4M 8.8k 502.97
Neovasc 1.9 $3.8M 271k 14.00
Huron Consulting (HURN) 1.8 $3.5M 9.2k 375.65
CNinsure 1.7 $3.4M 54k 62.50
General Finance Corp unit 99/99/9999 1.6 $3.0M 101k 30.00
Carbonite 1.5 $2.9M 27k 110.09
Financial Engines 1.4 $2.7M 12k 223.62
DURECT Corporation 1.3 $2.5M 311k 8.00
Napco Security Systems (NSSC) 1.1 $2.1M 66k 31.29
Antrim Energy 1.0 $2.0M 209k 9.62
Gaylord Entertainment Company 0.8 $1.5M 4.8k 308.10
AMN Healthcare Services (AMN) 0.7 $1.3M 21k 60.59
Mindspeed Technologies 0.6 $1.1M 18k 63.69
Rentrak Corporation 0.5 $968k 4.3k 226.91
Akamai Technologies (AKAM) 0.5 $963k 2.6k 367.00
Nts Inc Nev 0.5 $912k 150k 6.10
Vanda Pharmaceuticals (VNDA) 0.4 $836k 18k 47.89
SciClone Pharmaceuticals 0.4 $780k 12k 63.08
Anadigics 0.3 $571k 24k 23.70
NetGear (NTGR) 0.3 $567k 1.5k 382.33
Thoratec Corporation 0.3 $525k 1.6k 337.19
Titan Pharmaceutical 0.3 $534k 47k 11.39
Gentex Corporation (GNTX) 0.2 $478k 2.0k 245.00
Monsanto Company 0.2 $407k 510.00 798.04
Jefferies 0.2 $387k 2.1k 188.32
General Electric Company 0.2 $362k 1.8k 200.55
Archer Daniels Midland Company (ADM) 0.2 $332k 1.0k 317.10
Microchip Technology (MCHP) 0.2 $329k 884.00 372.17
iRobot Corporation (IRBT) 0.2 $337k 1.2k 273.10
Nintendo (NTDOY) 0.2 $337k 1.8k 189.33
Healthways 0.2 $317k 4.3k 73.72
Ethan Allen Interiors (ETD) 0.1 $291k 1.2k 252.82
CommVault Systems (CVLT) 0.1 $291k 585.00 497.44
Cytori Therapeutics 0.1 $285k 11k 24.92
Pitney Bowes (PBI) 0.1 $276k 1.6k 175.80
Generac Holdings (GNRC) 0.1 $252k 1.0k 245.37
Ultimate Software 0.1 $239k 325.00 735.38
LivePerson (LPSN) 0.1 $210k 1.3k 167.46
Chart Industries (GTLS) 0.1 $222k 302.00 735.10
Inphi Corporation 0.1 $181k 1.3k 141.74
Exar Corporation 0.1 $143k 1.7k 84.27
Advanced Micro Devices Inc note 6.000% 5/0 0.1 $109k 11k 10.38
Xtreme Coil Drilling Corp 0.1 $115k 3.7k 31.43
Alphatec Holdings 0.1 $104k 4.4k 23.74
Hovnanian Enterprises 0.0 $84k 3.4k 24.38
Ichiyoshi Securities 0.0 $78k 1.1k 70.46
Avelco Co Jpy50 0.0 $49k 1.1k 43.75
ZipRealty 0.0 $41k 3.0k 13.58
Discovery Laboratories 0.0 $38k 1.4k 27.14
Ikanos Communications 0.0 $14k 2.0k 7.15
Callwave 0.0 $25k 1.9k 13.02
NIVS IntelliMedia Technology 0.0 $8.0k 9.4k 0.85
S 0.0 $2.0k 11k 0.19