Austin W. Marxe and David M. Greenhouse

Austin W. Marxe and David M. Greenhouse as of March 31, 2011

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

Austin W. Marxe and David M. Greenhouse holds 179 positions in its portfolio as reported in the March 2011 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Ceva (CEVA) 4.3 $38M 140.00 268607.14
Ultra Clean Holdings (UCTT) 3.6 $32M 304.00 103707.24
Kopin Corporation (KOPN) 3.4 $30M 647.00 45936.63
LSB Industries (LXU) 3.1 $27M 67.00 402298.51
Entropic Communications 2.9 $25M 291.00 84769.76
Inovio Pharmaceuticals 2.6 $22M 2.0k 11002.95
Natus Medical 2.3 $20M 119.00 168596.64
FSI International 2.2 $19M 431.00 43865.43
Global Power Equipment Group 2.0 $17M 61.00 278737.70
Exide Technologies 1.8 $15M 136.00 112375.00
Image Sensing Systems 1.7 $15M 108.00 137750.00
89608 E-ink Holdings Incorporated 6 1.7 $15M 911.00 16173.44
Avantair 1.7 $15M 631.00 23020.60
KMG Chemicals 1.6 $14M 68.00 198485.29
BTU International 1.5 $13M 117.00 110205.13
Sangamo Biosciences (SGMO) 1.4 $13M 150.00 83620.00
PFSweb 1.4 $12M 246.00 50081.30
Amtech Systems (ASYS) 1.3 $11M 44.00 257045.45
SeaChange International 1.3 $11M 116.00 95301.72
Myr (MYRG) 1.3 $11M 46.00 240630.43
LRAD Corporation 1.3 $11M 398.00 27937.19
Chinacast Education Corporation (CAST) 1.3 $11M 175.00 62982.86
Titan Machinery (TITN) 1.2 $11M 42.00 258214.29
ZIOPHARM Oncology 1.2 $11M 169.00 62721.89
Adept Technology 1.2 $11M 227.00 46524.23
American Dental Partners 1.1 $9.7M 73.00 132945.21
Innospec (IOSP) 1.0 $9.0M 28.00 322535.71
Pctel 1.0 $8.7M 113.00 76787.61
Axion Power International 1.0 $8.5M 749.00 11403.20
Uranium Resources 0.9 $8.1M 387.00 20832.04
interCLICK 0.9 $8.1M 114.00 70780.70
MicroFinancial Incorporated 0.9 $8.0M 180.00 44316.67
Vical Incorporated 0.9 $7.9M 266.00 29620.30
Response Genetics (RGDXQ) 0.9 $7.8M 335.00 23400.00
Golfsmith International Holdings 0.9 $7.7M 182.00 42362.64
Saba Software 0.9 $7.6M 77.00 98987.01
Duckwall-ALCO Stores (DUCK) 0.9 $7.6M 59.00 128288.14
Body Central Acquisition Corporation 0.9 $7.6M 32.00 235937.50
Pure Technologies 0.9 $7.6M 154.00 49220.78
PowerSecure International 0.8 $7.3M 85.00 86388.24
Alphatec Holdings 0.8 $7.2M 267.00 27097.38
Overland Storage 0.8 $7.2M 322.00 22428.57
Allied Healthcare International (AHCI) 0.8 $7.1M 280.00 25442.86
Lightbridge Corporation 0.8 $7.1M 122.00 57983.61
Destination Maternity Corporation 0.8 $6.9M 29.00 238551.72
WorldHeart Corporation (WHRT) 0.8 $7.0M 543.00 12819.52
Full House Resorts (FLL) 0.8 $6.9M 180.00 38244.44
Flow International Corporation 0.8 $6.6M 151.00 43993.38
AuthenTec 0.8 $6.7M 209.00 32086.12
DemandTec 0.8 $6.6M 49.00 133857.14
57TH STR GEN ACQUISITION Cor 0.8 $6.6M 66.00 100090.91
Pacific Premier Ban (PPBI) 0.7 $6.4M 93.00 68666.67
Enova Systems (ENA) 0.7 $6.4M 441.00 14512.47
U.S. Auto Parts Network 0.7 $6.2M 71.00 87394.37
Cyclacel Pharmaceuticals 0.7 $5.9M 410.00 14324.39
Complete Genomics 0.7 $5.9M 64.00 91484.38
9570000 Iteris 0.7 $5.9M 410.00 14417.07
4612586 Waterfurnace Renewable Energy 0.7 $5.9M 23.00 254913.04
Unify Corporation (UNFY) 0.7 $5.7M 199.00 28502.51
iPass 0.6 $5.3M 339.00 15619.47
Riverview Ban (RVSB) 0.6 $5.2M 169.00 30627.22
NOVA MEASURING Instruments L (NVMI) 0.6 $5.2M 52.00 99461.54
CKX 0.6 $5.1M 120.00 42433.33
Trans World Corporation (TWOC) 0.6 $5.1M 208.00 24509.62
InfuSystem Holdings (INFU) 0.6 $5.1M 190.00 27105.26
Nexxus Lighting (NEXS) 0.6 $5.0M 154.00 32538.96
89608 E-ink Holdings Incorporated 6 0.6 $5.0M 454.00 11112.33
89608 E-ink Holdings Incorporated 6 0.5 $4.7M 250.00 18600.00
Cutera (CUTR) 0.5 $4.6M 53.00 86358.49
Palatin Technologies 0.5 $4.6M 450.00 10300.00
Magnetek 0.5 $4.5M 202.00 22108.91
Xebec Adsorption (XEBEQ) 0.5 $4.4M 1.1k 4175.75
FuelCell Energy 0.5 $4.3M 198.00 21500.00
CPI Aerostructures (CVU) 0.5 $4.2M 27.00 156333.33
Uni-Pixel 0.5 $4.3M 59.00 72593.22
Bcd Semiconductor Mfg 0.5 $4.3M 49.00 86918.37
China Ceramics 0.5 $4.1M 67.00 61701.49
OPNET Technologies 0.5 $3.9M 10.00 390700.00
Immersion Corporation (IMMR) 0.4 $3.8M 50.00 76620.00
Active Power 0.4 $3.8M 127.00 29566.93
Acorn Energy 0.4 $3.7M 103.00 35922.33
Support 0.4 $3.5M 67.00 52656.72
89608 E-ink Holdings Incorporated 6 0.4 $3.6M 221.00 16176.47
89608 E-ink Holdings Incorporated 6 0.4 $3.6M 221.00 16176.47
Verenium Corporationcom 0.4 $3.4M 113.00 30530.97
Ascent Solar Technologies 0.4 $3.5M 120.00 28758.33
SH SOLE 1029462 Hudson Resources 0.4 $3.1M 310.00 10106.45
89608 E-ink Holdings Incorporated 6 0.3 $3.0M 300.00 10000.00
Multiband Corporation 0.3 $2.8M 59.00 47203.39
89608 E-ink Holdings Incorporated 6 0.3 $2.5M 96.00 26000.00
SatCon Technology Corporation 0.3 $2.3M 60.00 38600.00
L&L Energy 0.3 $2.3M 32.00 70875.00
Medwell Capital (MWC) 0.2 $2.2M 921.00 2372.42
937716 Parametric Sound Corporation 0.2 $2.2M 348.00 6201.15
2013973 Ico Therapeutics 0.2 $2.2M 600.00 3683.33
Tekmira Pharmaceuticals Corporation 0.2 $2.0M 64.00 31562.50
OmniVision Technologies 0.2 $1.9M 5.00 381200.00
Idera Pharmaceuticals 0.2 $1.9M 72.00 26861.11
Heelys 0.2 $1.9M 82.00 23195.12
Maxygen 0.2 $1.8M 34.00 52882.35
SoundBite Communications 0.2 $1.8M 67.00 26731.34
89608 E-ink Holdings Incorporated 6 0.2 $1.8M 150.00 11900.00
89608 E-ink Holdings Incorporated 6 0.2 $1.8M 1.1k 1700.76
Remedent (REMI) 0.2 $1.8M 458.00 4002.18
EnteroMedics 0.2 $1.8M 64.00 27640.62
Bakers Footwear (BKRS) 0.2 $1.7M 194.00 9010.31
Intermap Technologies Corporation 0.2 $1.8M 430.00 4123.26
Pharmacyclics 0.2 $1.7M 28.00 59857.14
Dover Saddlery 0.2 $1.6M 36.00 43333.33
Comverge 0.2 $1.5M 32.00 47125.00
EpiCept Corporation (EPCT) 0.2 $1.5M 202.00 7217.82
Lannett Company 0.2 $1.3M 24.00 56000.00
RealNetworks 0.2 $1.3M 36.00 37333.33
U.S. Home Systems 0.2 $1.4M 31.00 44032.26
4sc 0.2 $1.4M 29.00 48172.41
AVEO Pharmaceuticals 0.1 $1.3M 10.00 134100.00
LeMaitre Vascular (LMAT) 0.1 $1.3M 18.00 71333.33
89608 E-ink Holdings Incorporated 6 0.1 $1.2M 27.00 43518.52
MIPS Technologies 0.1 $1.1M 10.00 109100.00
Noble Roman's (NROM) 0.1 $1.1M 103.00 10834.95
1802140 Genenews 0.1 $1.1M 535.00 2063.55
89608 E-ink Holdings Incorporated 6 0.1 $850k 100.00 8500.00
89608 E-ink Holdings Incorporated 6 0.1 $837k 450.00 1860.00
Threshold Pharmaceuticals 0.1 $735k 47.00 15638.30
89608 E-ink Holdings Incorporated 6 0.1 $679k 253.00 2683.79
89608 E-ink Holdings Incorporated 6 0.1 $650k 45.00 14444.44
Interplay Entertainment (IPLY) 0.1 $645k 957.00 673.98
Capstone Turbine Corporation 0.1 $546k 30.00 18200.00
Dynavax Technologies Corporation 0.1 $522k 36.00 14500.00
89608 E-ink Holdings Incorporated 6 0.1 $481k 78.00 6166.67
SH SOLE 2500000 57th Street General Acq @11.50 warrants 0.1 $508k 63.00 8063.49
89608 E-ink Holdings Incorporated 6 0.1 $450k 57.00 7894.74
89608 E-ink Holdings Incorporated 6 0.1 $452k 205.00 2204.88
89608 E-ink Holdings Incorporated 6 0.1 $400k 125.00 3200.00
89608 E-ink Holdings Incorporated 6 0.1 $430k 122.00 3524.59
89608 E-ink Holdings Incorporated 6 0.1 $475k 250.00 1900.00
826783 Here Media 0.1 $391k 102.00 3833.33
89608 E-ink Holdings Incorporated 6 0.0 $362k 67.00 5402.99
89608 E-ink Holdings Incorporated 6 0.0 $345k 150.00 2300.00
89608 E-ink Holdings Incorporated 6 0.0 $375k 187.00 2005.35
Cvd Equipment Corp equity (CVV) 0.0 $382k 3.00 127333.33
89608 E-ink Holdings Incorporated 6 0.0 $291k 42.00 6928.57
89608 E-ink Holdings Incorporated 6 0.0 $204k 411.00 496.35
89608 E-ink Holdings Incorporated 6 0.0 $173k 345.00 501.45
89608 E-ink Holdings Incorporated 6 0.0 $144k 360.00 400.00
89608 E-ink Holdings Incorporated 6 0.0 $152k 26.00 5846.15
89608 E-ink Holdings Incorporated 6 0.0 $148k 450.00 328.89
89608 E-ink Holdings Incorporated 6 0.0 $135k 150.00 900.00
89608 E-ink Holdings Incorporated 6 0.0 $140k 51.00 2745.10
89608 E-ink Holdings Incorporated 6 0.0 $113k 93.00 1215.05
89608 E-ink Holdings Incorporated 6 0.0 $76k 21.00 3619.05
89608 E-ink Holdings Incorporated 6 0.0 $62k 800.00 77.50
89608 E-ink Holdings Incorporated 6 0.0 $120k 19.00 6315.79
89608 E-ink Holdings Incorporated 6 0.0 $119k 38.00 3131.58
89608 E-ink Holdings Incorporated 6 0.0 $84k 38.00 2210.53
89608 E-ink Holdings Incorporated 6 0.0 $124k 19.00 6526.32
89608 E-ink Holdings Incorporated 6 0.0 $62k 7.00 8857.14
89608 E-ink Holdings Incorporated 6 0.0 $63k 205.00 307.32
Familymeds (FMRX) 0.0 $74k 114.00 649.12
Integral Vision (INVI) 0.0 $74k 185.00 400.00
952365 Precision Optics Corporation 0.0 $93k 34.00 2735.29
1000000 Converted Organics @1.30 12/31 warrants 0.0 $67k 150.00 446.67
89608 E-ink Holdings Incorporated 6 0.0 $12k 262.00 45.80
89608 E-ink Holdings Incorporated 6 0.0 $3.0k 5.00 600.00
89608 E-ink Holdings Incorporated 6 0.0 $21k 17.00 1235.29
89608 E-ink Holdings Incorporated 6 0.0 $21k 69.00 304.35
89608 E-ink Holdings Incorporated 6 0.0 $41k 69.00 594.20
89608 E-ink Holdings Incorporated 6 0.0 $13k 175.00 74.29
89608 E-ink Holdings Incorporated 6 0.0 $34k 114.00 298.25
89608 E-ink Holdings Incorporated 6 0.0 $7.0k 11.00 636.36
89608 E-ink Holdings Incorporated 6 0.0 $39k 726.00 53.72
89608 E-ink Holdings Incorporated 6 0.0 $8.0k 76.00 105.26
89608 E-ink Holdings Incorporated 6 0.0 $8.0k 76.00 105.26
89608 E-ink Holdings Incorporated 6 0.0 $10k 50.00 200.00
89608 E-ink Holdings Incorporated 6 0.0 $993.290000 1.4k 0.71
89608 E-ink Holdings Incorporated 6 0.0 $27k 38.00 710.53
89608 E-ink Holdings Incorporated 6 0.0 $10k 166.00 60.24
NeoMagic Corporation (NMGC) 0.0 $999.780000 57.00 17.54
uWink (UWKI) 0.0 $2.0k 100.00 20.00