Austin W. Marxe and David M. Greenhouse

Austin W. Marxe and David M. Greenhouse as of Dec. 31, 2012

Portfolio Holdings for Austin W. Marxe and David M. Greenhouse

Austin W. Marxe and David M. Greenhouse holds 172 positions in its portfolio as reported in the December 2012 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Entropic Communications 3.6 $22M 4.1M 5.29
Kopin Corporation (KOPN) 3.3 $20M 6.0M 3.33
MIPS Technologies 3.2 $20M 2.5M 7.82
Ceva (CEVA) 2.8 $17M 1.1M 15.75
OmniVision Technologies 2.2 $14M 962k 14.08
ParkerVision 2.2 $13M 6.6M 2.03
Ultra Clean Holdings (UCTT) 2.1 $13M 2.6M 4.91
Pacira Pharmaceuticals (PCRX) 2.1 $12M 708k 17.47
KMG Chemicals 2.0 $12M 686k 17.57
Ellie Mae 1.9 $11M 412k 27.75
Sangamo Biosciences (SGMO) 1.9 $11M 1.9M 6.01
MicroFinancial Incorporated 1.9 $11M 1.5M 7.28
SeaChange International 1.8 $11M 1.1M 9.67
Support 1.7 $10M 2.5M 4.18
Titan Machinery (TITN) 1.6 $9.9M 401k 24.70
Myr (MYRG) 1.6 $9.6M 430k 22.25
2060000 Power Solutions International (PSIX) 1.6 $9.5M 590k 16.18
Regulus Therapeutics 1.5 $8.9M 1.4M 6.30
Repligen Corporation (RGEN) 1.5 $8.9M 1.4M 6.29
Pure Technologies 1.4 $8.6M 1.9M 4.62
89608 E-ink Holdings Incorporated 6 1.4 $8.4M 11M 0.76
Endocyte 1.4 $8.4M 933k 8.98
Digital Theater Sys 1.4 $8.4M 502k 16.70
CPI Aerostructures (CVU) 1.4 $8.3M 831k 10.01
Pctel 1.4 $8.1M 1.1M 7.20
PowerSecure International 1.3 $8.0M 1.0M 7.81
Ericson Air-crane 1.3 $8.1M 959k 8.43
LSB Industries (LXU) 1.3 $7.7M 217k 35.42
PRGX Global 1.2 $7.5M 1.2M 6.45
PFSweb 1.1 $6.9M 2.4M 2.84
inContact, Inc . 1.1 $6.8M 1.3M 5.18
Iteris (ITI) 1.1 $6.8M 4.0M 1.70
Destination Maternity Corporation 1.1 $6.5M 300k 21.56
Broadwind Energy 1.1 $6.3M 2.9M 2.17
Full House Resorts (FLL) 1.0 $6.2M 1.8M 3.45
Flow International Corporation 1.0 $6.1M 1.7M 3.50
Adept Technology 1.0 $5.9M 2.3M 2.61
iPass 0.9 $5.6M 3.0M 1.83
Image Sensing Systems 0.9 $5.5M 1.1M 4.97
TiVo 0.9 $5.5M 446k 12.32
Intermap Technologies Corporation 0.9 $5.4M 15M 0.36
Verastem 0.9 $5.2M 594k 8.79
ALCO Stores 0.9 $5.2M 594k 8.78
Constant Contact 0.9 $5.2M 363k 14.21
SMART Technologies 0.8 $5.1M 3.2M 1.58
AeroVironment (AVAV) 0.8 $5.0M 232k 21.74
57TH STR GEN ACQUISITION Cor 0.8 $4.7M 1.6M 2.94
Alphatec Holdings 0.8 $4.6M 2.8M 1.65
Synergetics USA 0.8 $4.6M 955k 4.80
Neonode 0.8 $4.5M 928k 4.86
Enzo Biochem (ENZ) 0.7 $4.4M 1.6M 2.70
Response Genetics (RGDXQ) 0.7 $4.5M 3.3M 1.35
LRAD Corporation 0.7 $4.4M 4.0M 1.10
566456 Carbon Natural Gas 0.7 $4.4M 11M 0.40
Plug Power (PLUG) 0.7 $4.3M 8.5M 0.50
MaxLinear (MXL) 0.7 $4.2M 830k 5.02
2013973 Ico Therapeutics 0.7 $4.1M 5.0M 0.83
89608 E-ink Holdings Incorporated 6 0.7 $4.1M 1.9M 2.16
937716 Parametric Sound Corporation 0.7 $4.1M 600k 6.86
World Energy Solutions 0.7 $4.0M 928k 4.35
Silicon Image 0.6 $3.8M 772k 4.96
Xebec Adsorption (XEBEQ) 0.6 $3.6M 12M 0.30
Magnetek 0.6 $3.6M 346k 10.30
4612586 Waterfurnace Renewable Energy 0.6 $3.5M 240k 14.55
Extreme Networks (EXTR) 0.6 $3.4M 943k 3.64
Overland Storage 0.6 $3.3M 3.1M 1.05
ZIOPHARM Oncology 0.5 $3.2M 777k 4.16
Verenium Corporation 0.5 $3.2M 1.5M 2.17
DSP 0.5 $2.9M 504k 5.76
Market Leader 0.5 $2.9M 438k 6.55
EnteroMedics 0.4 $2.6M 938k 2.80
Multiband Corporation 0.4 $2.6M 1.6M 1.65
FuelCell Energy 0.4 $2.5M 2.7M 0.92
Memsic 0.4 $2.5M 736k 3.34
U.S. Auto Parts Network 0.4 $2.4M 1.3M 1.83
Neophotonics Corp 0.4 $2.4M 423k 5.74
Riverview Ban (RVSB) 0.4 $2.3M 1.4M 1.69
57TH STR GEN ACQUISITION Cor 0.4 $2.3M 733k 3.09
BTU International 0.4 $2.2M 1.1M 1.99
89608 E-ink Holdings Incorporated 6 0.4 $2.3M 3.0M 0.75
1763392 Graphon Corporation 0.4 $2.2M 6.0M 0.37
Tekmira Pharmaceuticals Corporation 0.3 $2.1M 422k 4.96
Unify Corporation (UNFY) 0.3 $2.1M 1.9M 1.06
Lightbridge Corporation 0.3 $2.0M 1.4M 1.41
89608 E-ink Holdings Incorporated 6 0.3 $1.9M 1.2M 1.55
Digimarc Corporation (DMRC) 0.3 $1.8M 89k 20.70
89608 E-ink Holdings Incorporated 6 0.3 $1.9M 860k 2.16
SoundBite Communications 0.3 $1.8M 639k 2.86
LeMaitre Vascular (LMAT) 0.3 $1.8M 312k 5.74
Pharmacyclics 0.3 $1.6M 28k 57.89
Ur-energy (URG) 0.3 $1.6M 1.9M 0.84
89608 E-ink Holdings Incorporated 6 0.3 $1.6M 1.5M 1.07
Ym Biosciences 0.3 $1.6M 540k 2.87
1802140 Genenews 0.3 $1.5M 2.4M 0.64
Citi Trends (CTRN) 0.2 $1.5M 108k 13.76
89608 E-ink Holdings Incorporated 6 0.2 $1.3M 9.3M 0.14
89608 E-ink Holdings Incorporated 6 0.2 $1.3M 11M 0.12
89608 E-ink Holdings Incorporated 6 0.2 $1.3M 1.5M 0.84
Global Power Equipment Grp I 0.2 $1.1M 65k 17.15
Clean Diesel Technologies 0.2 $1.1M 519k 2.17
Heritage-Crystal Clean 0.2 $1.0M 69k 15.01
CTPartners Executive Search (CTPR) 0.2 $974k 212k 4.60
Callidus Software 0.1 $876k 193k 4.54
89608 E-ink Holdings Incorporated 6 0.1 $929k 430k 2.16
Ossen Innovation 0.1 $849k 1.0M 0.81
89608 E-ink Holdings Incorporated 6 0.1 $803k 750k 1.07
Spectral Diagnostics 0.1 $797k 3.2M 0.25
Graymark Healthcare 0.1 $786k 3.6M 0.22
Precision Optics Corporation 0.1 $781k 919k 0.85
Cardionet 0.1 $727k 319k 2.28
Avantair 0.1 $695k 6.3M 0.11
Ecotality 0.1 $679k 1.6M 0.42
89608 E-ink Holdings Incorporated 6 0.1 $682k 4.5M 0.15
89608 E-ink Holdings Incorporated 6 0.1 $675k 4.5M 0.15
89608 E-ink Holdings Incorporated 6 0.1 $658k 968k 0.68
Dynavax Technologies Corporation 0.1 $630k 360k 1.75
Manitex International 0.1 $615k 86k 7.14
89608 E-ink Holdings Incorporated 6 0.1 $585k 8.4M 0.07
89608 E-ink Holdings Incorporated 6 0.1 $600k 274k 2.19
Aastrom Biosciences 0.1 $630k 500k 1.26
89608 E-ink Holdings Incorporated 6 0.1 $523k 2.8M 0.19
89608 E-ink Holdings Incorporated 6 0.1 $528k 11M 0.05
InfuSystem Holdings (INFU) 0.1 $535k 357k 1.50
Peregrine Semiconductor 0.1 $548k 36k 15.31
Active Power 0.1 $505k 151k 3.35
Transgenomic 0.1 $475k 779k 0.61
Unwired Planet 0.1 $462k 385k 1.20
Inovio Pharmaceuticals 0.1 $392k 784k 0.50
89608 E-ink Holdings Incorporated 6 0.1 $431k 2.1M 0.21
89608 E-ink Holdings Incorporated 6 0.1 $419k 191k 2.20
826783 Here Media 0.1 $391k 1.0M 0.38
Remedent (REMI) 0.1 $395k 4.0M 0.10
Saia (SAIA) 0.1 $347k 15k 23.13
Axion Power International 0.1 $365k 1.3M 0.28
89608 E-ink Holdings Incorporated 6 0.1 $357k 3.6M 0.10
1802140 Genenews 0.1 $379k 690k 0.55
Summer Infant 0.0 $264k 152k 1.74
89608 E-ink Holdings Incorporated 6 0.0 $230k 180k 1.28
89608 E-ink Holdings Incorporated 6 0.0 $218k 7.3M 0.03
89608 E-ink Holdings Incorporated 6 0.0 $225k 2.5M 0.09
1123045 Brightcove 0.0 $258k 29k 9.03
89608 E-ink Holdings Incorporated 6 0.0 $169k 1.9M 0.09
89608 E-ink Holdings Incorporated 6 0.0 $184k 428k 0.43
Interplay Entertainment (IPLY) 0.0 $183k 9.1M 0.02
89608 E-ink Holdings Incorporated 6 0.0 $139k 421k 0.33
89608 E-ink Holdings Incorporated 6 0.0 $141k 671k 0.21
89608 E-ink Holdings Incorporated 6 0.0 $128k 61k 2.11
89608 E-ink Holdings Incorporated 6 0.0 $110k 788k 0.14
89608 E-ink Holdings Incorporated 6 0.0 $112k 147k 0.76
89608 E-ink Holdings Incorporated 6 0.0 $123k 1.8M 0.07
Chinacast Education Corporation (CAST) 0.0 $90k 996k 0.09
CytRx Corporation 0.0 $72k 2.4M 0.03
89608 E-ink Holdings Incorporated 6 0.0 $34k 190k 0.18
89608 E-ink Holdings Incorporated 6 0.0 $45k 216k 0.21
89608 E-ink Holdings Incorporated 6 0.0 $64k 455k 0.14
89608 E-ink Holdings Incorporated 6 0.0 $45k 4.5M 0.01
89608 E-ink Holdings Incorporated 6 0.0 $85k 2.1M 0.04
EpiCept Corporation (EPCT) 0.0 $50k 839k 0.06
1869300 Rxi Pharmaceuticals 0.0 $50k 707k 0.07
Chase Packaging Corporation (WHLT) 0.0 $0 685k 0.00
89608 E-ink Holdings Incorporated 6 0.0 $9.4k 940k 0.01
89608 E-ink Holdings Incorporated 6 0.0 $10k 500k 0.02
89608 E-ink Holdings Incorporated 6 0.0 $25k 176k 0.14
89608 E-ink Holdings Incorporated 6 0.0 $13k 1.3M 0.01
89608 E-ink Holdings Incorporated 6 0.0 $0 4.1M 0.00
89608 E-ink Holdings Incorporated 6 0.0 $14k 690k 0.02
89608 E-ink Holdings Incorporated 6 0.0 $7.3k 244k 0.03
89608 E-ink Holdings Incorporated 6 0.0 $0 3.6M 0.00
89608 E-ink Holdings Incorporated 6 0.0 $7.9k 263k 0.03
Familymeds (FMRX) 0.0 $23k 1.1M 0.02
Integral Vision (INVI) 0.0 $0 1.9M 0.00
Allon Therapeutics (NPCUF) 0.0 $10k 501k 0.02