Gagnon Securities

Gagnon Securities as of June 30, 2011

Portfolio Holdings for Gagnon Securities

Gagnon Securities holds 118 positions in its portfolio as reported in the June 2011 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Red Hat 6.1 $18M 385k 45.90
Cymer 5.5 $16M 318k 49.51
Constant Contact 5.0 $14M 565k 25.38
CarMax (KMX) 4.8 $14M 422k 33.07
Ameres (AMRC) 4.7 $14M 953k 14.18
Equinix 4.7 $13M 133k 101.02
athenahealth 4.5 $13M 312k 41.10
Huron Consulting (HURN) 4.4 $13M 424k 30.21
CNinsure 4.2 $12M 831k 14.73
Alpha & Omega Semiconductor (AOSL) 4.1 $12M 896k 13.25
Icg Group 3.7 $11M 870k 12.23
NetSuite 3.4 $9.8M 250k 39.20
CommVault Systems (CVLT) 2.5 $7.2M 162k 44.45
DemandTec 2.3 $6.6M 726k 9.10
Generac Holdings (GNRC) 1.8 $5.2M 267k 19.40
Akamai Technologies (AKAM) 1.8 $5.1M 162k 31.47
Rentrak Corporation 1.4 $4.0M 227k 17.74
Chart Industries (GTLS) 1.3 $3.8M 70k 53.97
Pegasystems (PEGA) 1.3 $3.7M 79k 46.55
AMN Healthcare Services (AMN) 1.1 $3.2M 383k 8.32
Hologic (HOLX) 1.0 $2.9M 146k 20.17
Cytori Therapeutics 0.9 $2.7M 572k 4.79
NetGear (NTGR) 0.9 $2.6M 60k 43.71
ValueClick 0.9 $2.6M 155k 16.60
Gaylord Entertainment Company 0.9 $2.5M 85k 30.01
Thoratec Corporation 0.9 $2.5M 76k 32.82
Vocus 0.8 $2.3M 76k 30.61
Gentex Corporation (GNTX) 0.7 $2.1M 70k 30.23
LivePerson (LPSN) 0.7 $2.1M 146k 14.14
Mindspeed Technologies 0.7 $1.9M 237k 8.00
International Rectifier Corporation 0.6 $1.8M 65k 27.98
Aviat Networks 0.6 $1.8M 450k 3.94
Vanda Pharmaceuticals (VNDA) 0.6 $1.7M 244k 7.14
Immucor 0.6 $1.7M 83k 20.42
Perficient (PRFT) 0.6 $1.6M 160k 10.26
Ceragon Networks (CRNT) 0.6 $1.6M 138k 11.89
ShoreTel 0.5 $1.6M 152k 10.20
Cirrus Logic (CRUS) 0.5 $1.5M 92k 15.90
GameStop (GME) 0.5 $1.5M 55k 26.67
Celgene Corporation 0.5 $1.4M 23k 60.32
Monolithic Power Systems (MPWR) 0.5 $1.4M 92k 15.42
Healthways 0.5 $1.3M 87k 15.18
SciClone Pharmaceuticals 0.5 $1.3M 217k 6.04
Cadence Design Systems (CDNS) 0.5 $1.3M 123k 10.56
iRobot Corporation (IRBT) 0.5 $1.3M 37k 35.30
Digital River 0.4 $1.3M 40k 32.16
Ultimate Software 0.4 $1.2M 23k 54.43
InterNAP Network Services 0.4 $1.3M 170k 7.35
Alphatec Holdings 0.4 $1.2M 356k 3.48
Comscore 0.4 $1.2M 48k 25.89
Tekelec 0.4 $1.2M 132k 9.13
Poly 0.4 $1.2M 19k 64.32
Nice Systems (NICE) 0.4 $1.2M 32k 36.35
PRGX Global 0.4 $1.2M 166k 7.15
Dex (DXCM) 0.4 $1.2M 82k 14.49
Oplink Communications 0.4 $1.2M 62k 18.64
Electronic Arts (EA) 0.4 $1.1M 47k 23.59
Yahoo! 0.4 $1.1M 76k 15.04
Financial Engines 0.4 $1.1M 43k 25.92
Web 0.4 $1.1M 89k 12.32
Kenexa Corporation 0.4 $1.1M 44k 23.99
MIPS Technologies 0.4 $1.1M 152k 6.91
Graham Corporation (GHM) 0.4 $1.0M 51k 20.40
Nintendo (NTDOY) 0.4 $1.0M 44k 23.32
Maxwell Technologies 0.3 $1.0M 63k 16.18
Exar Corporation 0.3 $1.0M 158k 6.33
Sourcefire 0.3 $951k 32k 29.70
Apple (AAPL) 0.3 $914k 2.7k 335.78
Cree Inc put 0.3 $925k 1.8k 519.96
Cepheid 0.3 $852k 25k 34.63
Monsanto Company 0.3 $793k 11k 72.57
Sysmex Corp (SSMXF) 0.3 $794k 21k 37.42
Ikanos Communications 0.3 $763k 621k 1.23
NxStage Medical 0.3 $754k 36k 20.83
Anadigics 0.2 $706k 220k 3.21
Daktronics (DAKT) 0.2 $731k 68k 10.80
Johnson & Johnson (JNJ) 0.2 $669k 10k 66.53
Harmonic (HLIT) 0.2 $657k 91k 7.22
Pitney Bowes (PBI) 0.2 $646k 28k 22.99
Vinda International Holdings 0.2 $604k 540k 1.12
Ethan Allen Interiors (ETD) 0.2 $566k 27k 21.28
Archer Daniels Midland Company (ADM) 0.2 $543k 18k 30.13
Monster Worldwide 0.2 $538k 37k 14.65
Atmel Corporation 0.2 $550k 39k 14.07
Convio 0.2 $540k 50k 10.82
Peoples Financial Services Corp (PFIS) 0.2 $535k 20k 27.04
NetApp (NTAP) 0.2 $456k 8.6k 52.81
CoreLogic 0.1 $424k 25k 16.70
Taleo Corporation 0.1 $410k 11k 37.04
dELiA*s 0.1 $404k 257k 1.57
Powerwave Technologies 0.1 $330k 112k 2.95
Flow International Corporation 0.1 $299k 84k 3.56
General Motors Company (GM) 0.1 $283k 9.3k 30.39
Delcath Systems 0.1 $264k 51k 5.17
Applied Energetics (AERG) 0.1 $231k 700k 0.33
Advanced Micro Devices Inc note 6.000% 5/0 0.1 $191k 187k 1.02
Avid Technology 0.1 $196k 10k 18.85
Kandi Technolgies (KNDI) 0.1 $193k 108k 1.79
Adtec Engineering 0.1 $202k 38k 5.36
Yongye International 0.1 $170k 33k 5.23
QKL Stores 0.1 $131k 65k 2.03
Ichiyoshi Securities 0.1 $132k 22k 6.14
Micronics Japan Co Jpy50 0.1 $151k 17k 9.17
Xtreme Coil Drilling Corp 0.0 $122k 28k 4.33
FormFactor (FORM) 0.0 $96k 11k 9.04
Brocade Communications Systems 0.0 $72k 11k 6.46
Callwave 0.0 $76k 59k 1.30
Avelco Co Jpy50 0.0 $91k 20k 4.53
Ihara Science Corp 0.0 $90k 11k 8.52
Yuhe International (YUII) 0.0 $48k 40k 1.20
ZipRealty 0.0 $68k 30k 2.30
NIVS IntelliMedia Technology 0.0 $48k 137k 0.35
Discovery Laboratories 0.0 $54k 24k 2.24
Valueclick Inc Cmn Stock cmn 0.0 $17k 200.00 85.00
Wonder Auto Technology 0.0 $412k 76k 5.42
TerreStar Corporation 0.0 $0 12k 0.00
S 0.0 $4.2k 212k 0.02
Akela Pharma 0.0 $4.0k 21k 0.19