Austin W. Marxe and David M. Greenhouse

Austin W. Marxe and David M. Greenhouse as of Dec. 31, 2010

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

Austin W. Marxe and David M. Greenhouse holds 175 positions in its portfolio as reported in the December 2010 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Ceva (CEVA) 4.2 $35M 1.7M 20.50
Uranium Resources 4.1 $34M 10M 3.40
Ultra Clean Holdings (UCTT) 3.6 $30M 3.2M 9.31
Kopin Corporation (KOPN) 3.2 $27M 6.5M 4.16
Entropic Communications 3.1 $26M 2.1M 12.08
89608 E-ink Holdings Incorporated 6 2.8 $23M 11M 2.03
FSI International 2.3 $19M 4.3M 4.42
LSB Industries (LXU) 2.1 $17M 717k 24.26
Global Power Equipment Group 2.1 $17M 746k 23.20
Natus Medical 2.0 $17M 1.2M 14.18
Avantair 1.8 $15M 6.3M 2.40
NOVA MEASURING Instruments L (NVMI) 1.8 $15M 1.8M 8.31
Image Sensing Systems 1.7 $14M 1.1M 13.01
Chinacast Education Corporation (CAST) 1.6 $14M 1.8M 7.76
Exide Technologies 1.5 $13M 1.4M 9.41
OPNET Technologies 1.5 $12M 465k 26.77
WorldHeart Corporation (WHRT) 1.5 $12M 5.4M 2.27
KMG Chemicals 1.4 $11M 688k 16.57
BTU International 1.3 $11M 1.2M 8.99
Sangamo Biosciences (SGMO) 1.3 $11M 1.6M 6.64
Adept Technology 1.2 $10M 2.3M 4.47
PFSweb 1.2 $10M 2.5M 3.96
American Dental Partners 1.2 $10M 740k 13.51
Myr (MYRG) 1.2 $9.7M 463k 21.00
Amtech Systems (ASYS) 1.2 $9.7M 387k 25.15
FuelCell Energy 1.2 $9.7M 4.2M 2.31
SeaChange International 1.1 $9.5M 1.1M 8.55
ZIOPHARM Oncology 1.1 $9.4M 2.0M 4.66
Vical Incorporated 1.1 $9.3M 4.6M 2.02
Trintech Group Plc spons 1.1 $8.9M 1.4M 6.55
Yongye International 1.1 $8.8M 1.0M 8.40
LRAD Corporation 1.0 $8.6M 3.2M 2.69
Titan Machinery (TITN) 1.0 $8.3M 430k 19.30
Response Genetics (RGDXQ) 1.0 $8.3M 3.4M 2.48
Saba Software 0.9 $7.7M 1.3M 6.12
Pure Technologies 0.9 $7.5M 1.6M 4.76
PowerSecure International 0.9 $7.4M 952k 7.78
9570000 Iteris 0.9 $7.4M 4.1M 1.81
Allied Healthcare International (AHCI) 0.9 $7.4M 2.9M 2.51
MicroFinancial Incorporated 0.9 $7.3M 1.8M 4.03
Alphatec Holdings 0.9 $7.2M 2.7M 2.70
Pctel 0.8 $6.8M 1.1M 6.00
Flow International Corporation 0.7 $6.2M 1.5M 4.09
Support 0.7 $6.2M 952k 6.48
Full House Resorts (FLL) 0.7 $6.1M 1.8M 3.40
interCLICK 0.7 $6.1M 1.1M 5.37
U.S. Auto Parts Network 0.7 $6.0M 713k 8.40
Cyclacel Pharmaceuticals 0.7 $6.0M 4.1M 1.47
Pacific Premier Ban (PPBI) 0.7 $5.9M 938k 6.29
Cutera (CUTR) 0.7 $5.8M 699k 8.29
4612586 Waterfurnace Renewable Energy 0.7 $5.8M 234k 24.82
Innospec (IOSP) 0.7 $5.8M 283k 20.40
MIPS Technologies 0.7 $5.8M 380k 15.16
Unify Corporation (UNFY) 0.7 $5.8M 2.0M 2.90
Destination Maternity Corporation 0.7 $5.7M 150k 37.93
Enova Systems (ENA) 0.7 $5.5M 4.4M 1.25
DemandTec 0.7 $5.4M 498k 10.84
AuthenTec 0.6 $5.2M 2.1M 2.50
China Ceramics 0.6 $5.2M 670k 7.83
Ascent Solar Technologies 0.6 $5.2M 1.5M 3.36
Trans World Corporation (TWOC) 0.6 $5.2M 2.1M 2.50
SatCon Technology Corporation 0.6 $5.1M 1.1M 4.50
Axion Power International 0.6 $5.0M 8.8M 0.57
Complete Genomics 0.6 $4.8M 648k 7.47
Lightbridge Corporation 0.6 $4.9M 909k 5.35
Overland Storage 0.6 $4.8M 3.2M 1.48
Body Central Acquisition Corporation 0.6 $4.6M 325k 14.27
89608 E-ink Holdings Incorporated 6 0.6 $4.7M 2.5M 1.86
Riverview Ban (RVSB) 0.6 $4.6M 1.7M 2.71
EnteroMedics 0.6 $4.6M 1.5M 3.08
Immersion Corporation (IMMR) 0.5 $4.5M 669k 6.71
89608 E-ink Holdings Incorporated 6 0.5 $4.5M 2.2M 2.03
Golfsmith International Holdings 0.5 $4.4M 1.8M 2.42
Uni-Pixel 0.5 $4.4M 600k 7.30
89608 E-ink Holdings Incorporated 6 0.5 $4.4M 2.3M 1.89
iPass 0.5 $4.2M 3.4M 1.25
Sonic Solutions 0.5 $4.1M 274k 15.00
Acorn Energy 0.5 $4.0M 1.0M 3.87
Nexxus Lighting (NEXS) 0.5 $4.1M 2.0M 2.04
Lannett Company 0.4 $3.7M 656k 5.59
Verenium Corporationcom 0.4 $3.6M 1.1M 3.20
Active Power 0.4 $3.4M 1.4M 2.46
CKX 0.4 $3.3M 807k 4.03
Tekmira Pharmaceuticals Corporation 0.4 $3.0M 672k 4.51
Multiband Corporation 0.3 $2.9M 1.0M 2.84
Medwell Capital (MWC) 0.3 $2.7M 9.2M 0.29
Heelys 0.3 $2.5M 827k 3.04
Magnetek 0.3 $2.4M 1.8M 1.35
Comverge 0.3 $2.2M 324k 6.91
89608 E-ink Holdings Incorporated 6 0.3 $2.2M 1.5M 1.48
Remedent (REMI) 0.3 $2.2M 4.5M 0.50
2013973 Ico Therapeutics 0.3 $2.3M 6.0M 0.38
Xebec Adsorption (XEBEQ) 0.3 $2.2M 8.1M 0.27
Idera Pharmaceuticals 0.2 $2.1M 730k 2.87
Intermap Technologies Corporation 0.2 $2.1M 4.3M 0.48
Chindex International 0.2 $1.9M 115k 16.49
SoundBite Communications 0.2 $1.9M 676k 2.83
Pharmacyclics 0.2 $1.7M 285k 6.08
Bakers Footwear (BKRS) 0.2 $1.7M 1.9M 0.90
U.S. Home Systems 0.2 $1.6M 327k 4.89
89608 E-ink Holdings Incorporated 6 0.2 $1.6M 4.5M 0.35
AVEO Pharmaceuticals 0.2 $1.5M 100k 14.62
CPI Aerostructures (CVU) 0.2 $1.3M 94k 14.07
LeMaitre Vascular (LMAT) 0.1 $1.3M 189k 6.77
Duckwall-ALCO Stores (DUCK) 0.1 $1.1M 90k 12.60
89608 E-ink Holdings Incorporated 6 0.1 $1.2M 968k 1.23
Harvard Bioscience (HBIO) 0.1 $1.1M 263k 4.09
ParkerVision 0.1 $1.1M 2.5M 0.44
Noble Roman's (NROM) 0.1 $1.1M 1.0M 1.07
89608 E-ink Holdings Incorporated 6 0.1 $1.1M 1.0M 1.10
HealthWarehouse (HEWA) 0.1 $1.1M 408k 2.75
89608 E-ink Holdings Incorporated 6 0.1 $993k 1.9M 0.53
Dover Saddlery 0.1 $947k 364k 2.60
1802140 Genenews 0.1 $953k 4.0M 0.24
89608 E-ink Holdings Incorporated 6 0.1 $753k 274k 2.75
937716 Parametric Sound Corporation 0.1 $773k 2.0M 0.39
Dynavax Technologies Corporation 0.1 $670k 360k 1.86
Reis 0.1 $686k 98k 7.00
Interplay Entertainment (IPLY) 0.1 $670k 9.6M 0.07
Xebec Adsorption (XEBEQ) 0.1 $625k 2.5M 0.25
89608 E-ink Holdings Incorporated 6 0.1 $608k 2.5M 0.24
89608 E-ink Holdings Incorporated 6 0.1 $554k 2.1M 0.27
89608 E-ink Holdings Incorporated 6 0.1 $409k 671k 0.61
826783 Here Media 0.1 $391k 1.0M 0.38
Ligand Pharmaceuticals 0.0 $304k 34k 8.91
89608 E-ink Holdings Incorporated 6 0.0 $341k 455k 0.75
1802140 Genenews 0.0 $304k 1.4M 0.22
89608 E-ink Holdings Incorporated 6 0.0 $244k 940k 0.26
89608 E-ink Holdings Incorporated 6 0.0 $248k 421k 0.59
89608 E-ink Holdings Incorporated 6 0.0 $276k 3.5M 0.08
89608 E-ink Holdings Incorporated 6 0.0 $250k 2.5M 0.10
9219000 Methylgene 0.0 $212k 1.5M 0.14
Quantum Fuel Systems Technologies 0.0 $134k 298k 0.45
89608 E-ink Holdings Incorporated 6 0.0 $164k 4.1M 0.04
89608 E-ink Holdings Incorporated 6 0.0 $141k 2.0M 0.07
89608 E-ink Holdings Incorporated 6 0.0 $150k 788k 0.19
89608 E-ink Holdings Incorporated 6 0.0 $172k 1.2M 0.14
89608 E-ink Holdings Incorporated 6 0.0 $195k 1.5M 0.13
89608 E-ink Holdings Incorporated 6 0.0 $140k 518k 0.27
89608 E-ink Holdings Incorporated 6 0.0 $185k 2.1M 0.09
1000000 Converted Organics @1.30 12/31 warrants 0.0 $150k 1.5M 0.10
Chase Packaging Corporation (WHLT) 0.0 $55k 685k 0.08
Comar (CMRO) 0.0 $115k 274k 0.42
89608 E-ink Holdings Incorporated 6 0.0 $55k 690k 0.08
89608 E-ink Holdings Incorporated 6 0.0 $62k 690k 0.09
89608 E-ink Holdings Incorporated 6 0.0 $53k 1.8M 0.03
89608 E-ink Holdings Incorporated 6 0.0 $91k 216k 0.42
89608 E-ink Holdings Incorporated 6 0.0 $108k 3.6M 0.03
89608 E-ink Holdings Incorporated 6 0.0 $118k 263k 0.45
89608 E-ink Holdings Incorporated 6 0.0 $119k 384k 0.31
89608 E-ink Holdings Incorporated 6 0.0 $85k 384k 0.22
89608 E-ink Holdings Incorporated 6 0.0 $101k 190k 0.53
89608 E-ink Holdings Incorporated 6 0.0 $97k 388k 0.25
Familymeds (FMRX) 0.0 $69k 1.1M 0.06
Integral Vision (INVI) 0.0 $56k 1.9M 0.03
952365 Precision Optics Corporation 0.0 $52k 344k 0.15
Concurrent Computer Corporation 0.0 $10k 1.0M 0.01
89608 E-ink Holdings Incorporated 6 0.0 $0 3.6M 0.00
89608 E-ink Holdings Incorporated 6 0.0 $28k 176k 0.16
89608 E-ink Holdings Incorporated 6 0.0 $35k 1.1M 0.03
89608 E-ink Holdings Incorporated 6 0.0 $2.4k 235k 0.01
89608 E-ink Holdings Incorporated 6 0.0 $7.9k 113k 0.07
89608 E-ink Holdings Incorporated 6 0.0 $0 8.0M 0.00
89608 E-ink Holdings Incorporated 6 0.0 $0 7.3M 0.00
89608 E-ink Holdings Incorporated 6 0.0 $38k 760k 0.05
89608 E-ink Holdings Incorporated 6 0.0 $38k 760k 0.05
89608 E-ink Holdings Incorporated 6 0.0 $5.0k 500k 0.01
89608 E-ink Holdings Incorporated 6 0.0 $0 2.6M 0.00
89608 E-ink Holdings Incorporated 6 0.0 $0 563k 0.00
89608 E-ink Holdings Incorporated 6 0.0 $1.6k 156k 0.01
89608 E-ink Holdings Incorporated 6 0.0 $0 1.7M 0.00
89608 E-ink Holdings Incorporated 6 0.0 $18k 77k 0.24
IBEX Technologies (IBT) 0.0 $21k 143k 0.15
NeoMagic Corporation (NMGC) 0.0 $5.8k 575k 0.01
uWink (UWKI) 0.0 $0 1.0M 0.00