13F-HR 1 fdec05t.txt UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 13F FORM 13F COVER PAGE Report for the Calendar Year or Quarter Ended: December 30, 2005. Check here if Amendment ( ); Amendment Number: This Amendment (Check only one.): ( ) is a restatement ( ) adds new holdings entries. Institutional Investment Manager Filing this Report: Name: Austin W. Marxe and David M. Greenhouse Address: 527 Madison Avenue, Suite 2600, New York, NY 10022 13F File Number: 028-06452 The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that all information contained herein is true, correct and complete, and that it is understood that all required items, statements, schedules, lists, and tables, are considered integral parts of this form. Person Signing this Report on Behalf of Reporting Manager: Name: Austin Marxe Title: President; AWM Investment Company, Inc. Phone: (212) 207-6500 Signature: /s/ Austin Marxe, New York, NY, February 23, 2006. Name: David Greenhouse Title: Vice President; AWM Investment Company, Inc. Phone: (212) 207-6500 Signature: /s/ David Greenhouse, New York, NY, February 23, 2006. Report Type (Check only one.): (x) 13F HOLDINGS REPORT ( ) 13F NOTICE ( ) 13F COMBINATION REPORT List of Other Managers Reporting for this Manager: None I AM SIGNING THIS REPORT AS REQUIRED BY THE SECURITIES EXCHANGE ACT OF 1934. FORM 13F SUMMARY PAGE Report Summary: Number of Other Included Managers: 0 Form 13F Information Table Entry Total: 294 Form 13F Information Table Value Total: $ 917,295 List of Other included Managers: No. 13F File Number Name None FORM 13F INFORMATION TABLE VALUE SHARES/ SH/ PUT/ INVSTMT OTHER VOTING AUTHORITY NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DSCRETN MANAGERS SOLE SHARED NONE ------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- ---- ---- -------- 1-800 CONTACTS, INC. common 681977104 2265 193466 SH SOLE 193466 ATS Medical, Inc. (Rest/Reg) common 002083103 5163 1877404 SH SOLE 1877404 Adept Technology, Inc. common 006854202 31346 2479884 SH SOLE 2479884 Advanced Life Sciences Holding common 00765H107 5153 1314503 SH SOLE 1314503 American Dental Partners, Inc. common 025353103 7894 436627 SH SOLE 436627 American Technology Corp. common 030145205 4733 1429780 SH SOLE 1429780 Amerigon Incorporated common 03070L300 16040 2746582 SH SOLE 2746582 Applied Imaging Corp. common 03820G205 1150 701244 SH SOLE 701244 Applied Neurosolutions, Inc. common 03823Y104 1130 3325000 SH SOLE 3325000 Aptimus, Inc. common 03833V108 5935 750294 SH SOLE 750294 Arbinet-thexchange, Inc. common 03875P100 5585 796713 SH SOLE 796713 Artisoft, Inc. common 04314L106 5645 4032237 SH SOLE 4032237 Artisoft, Inc. (Restricted) common 04314L106 8547 7506668 SH SOLE 7506668 Aviza Technology, Inc. common 05381A105 1465 276509 SH SOLE 276509 Axcan Pharma, Inc. (Canada) common 054923107 4894 323267 SH SOLE 323267 Axsys Technologies, Inc. common 054615109 4954 276000 SH SOLE 276000 Bakers Footwear Group, Inc common 057465106 10843 705000 SH SOLE 705000 Barrier Therapeutics, Inc. common 06850R108 1724 210210 SH SOLE 210210 Buca, Inc. common 117769109 6313 1158430 SH SOLE 1158430 CEVA, Inc. common 157210105 7072 1129717 SH SOLE 1129717 COMARCO, Inc. common 200080109 10971 1099338 SH SOLE 1099338 COMSYS IT Partners, Inc. common 20581E104 4420 400000 SH SOLE 400000 Cambridge Display Technology common 132193103 5050 631250 SH SOLE 631250 Caprius, Inc (Rest/Reg) common 14066K107 3034 1379309 SH SOLE 1379309 Catalytica Energy Systems, Inc common 148884109 1280 1218941 SH SOLE 1218941 Cavalier Homes, Inc. common 149507105 3132 485600 SH SOLE 485600 Centillium Communications, Inc common 152319109 3577 1021900 SH SOLE 1021900 Chitaly Holdings Limited common Not Avail 2648 5517000 SH SOLE 5517000 Ciphergen Biosystems, Inc. common 17252Y104 3803 3223130 SH SOLE 3223130 ClickSoftware Technologies common M25082104 8459 4622397 SH SOLE 4622397 Collectors Universe,Inc. common 19421R101 12485 774527 SH SOLE 774527 Corillian Corporation common 218725109 5973 2196041 SH SOLE 2196041 Critical Therapeutics, Inc. common 22674T105 7089 987367 SH SOLE 987367 CryptoLogic, Inc.(Canada) common 228906103 11621 593197 SH SOLE 593197 DRAXIS Health, Inc. (Canada) common 26150J101 604 139603 SH SOLE 139603 DTS, Inc. common 25389G102 7079 478300 SH SOLE 478300 DepoMed, Inc. (Rest/Reg) common 249908104 3523 587100 SH SOLE 587100 Dover Saddlery, Inc. common 260412101 4400 463200 SH SOLE 463200 Dyax Corp. common 26746E103 2540 481919 SH SOLE 481919 Dynavax Technologies Corp. common 268158102 948 222584 SH SOLE 222584 EDGAR Online, Inc. common 279765101 1410 774748 SH SOLE 774748 EZCORP, Inc. common 302301106 10669 698259 SH SOLE 698259 Electro-Optical Sciences, Inc. common 285192100 5675 1064786 SH SOLE 1064786 Endologix, Inc. common 29266S106 744 107830 SH SOLE 107830 Entrust, Inc. common 293848107 6446 1331735 SH SOLE 1331735 Excel Maritime Carriers, Ltd. common V3267N107 1001 87400 SH SOLE 87400 FIND/SVP, Inc. common 317718302 4199 3254982 SH SOLE 3254982 Frequency Electronics, Inc. common 358010106 5044 480800 SH SOLE 480800 Gaiam, Inc. common 36268Q103 5058 374358 SH SOLE 374358 Given Imaging Ltd.(Israel) common M52020100 3165 121247 SH SOLE 121247 GoRemote Internet Communicatio common 382859106 3167 1907995 SH SOLE 1907995 HI/FN Inc. common 428358105 8873 1584489 SH SOLE 1584489 Harvard Bioscience, Inc. common 416906105 754 169375 SH SOLE 169375 Hoku Scientific, Inc. common 434712105 2286 301207 SH SOLE 301207 House of Taylor Jewelry, Inc. common 44176R106 2000 470589 SH SOLE 470589 ION Networks, Inc. common 46205P100 1194 7024736 SH SOLE 7024736 Image Sensing Systems, Inc. common 45244C104 10732 804526 SH SOLE 804526 Immersion Corporation common 452521107 3047 462439 SH SOLE 462439 ImmunoGen, Inc. common 45253H101 596 116201 SH SOLE 116201 Indevus Pharmaceuticals, Inc. common 454072109 2554 473864 SH SOLE 473864 IntegraMed America, Inc. common 45810N302 2187 165164 SH SOLE 165164 Integral Vision, Inc. common 45811H106 9268 4633796 SH SOLE 4633796 Interlink Electronics, Inc. common 458751104 7425 2068363 SH SOLE 2068363 Intermap Technologies Corp. common 458977204 14804 3442678 SH SOLE 3442678 Isis Pharmaceutical, Inc. common 464330109 5240 1000000 SH SOLE 1000000 Iteris, Inc. common 46564M102 7328 3053408 SH SOLE 3053408 Kenexa Corporation common 488879107 9818 465292 SH SOLE 465292 Kintera,Inc. common 49720P506 3659 1231985 SH SOLE 1231985 Kopin Corporation common 500600101 7128 1332368 SH SOLE 1332368 L.B. Foster Company common 350060109 2690 180924 SH SOLE 180924 La Jolla Pharmaceutical Co.(R) common 503459109 5920 1600000 SH SOLE 1600000 La Jolla Pharmaceutical Co common 503459109 886 239525 SH SOLE 239525 Laserscope, Inc. common 518081104 10019 446100 SH SOLE 446100 LivePerson, Inc. common 538146101 1092 194600 SH SOLE 194600 LocatePlus Holding Corp. common 539570408 3050 1000000 SH SOLE 1000000 LogicVision, Inc. common 54140W107 1267 1013545 SH SOLE 1013545 MIND C.T.I. Ltd. (Israel) common M70240102 1577 602013 SH SOLE 602013 MK Resources Company common 55311Y103 4143 3368300 SH SOLE 3368300 Medivation Inc. common 58501N101 9095 3580645 SH SOLE 3580645 Memory Pharmaceuticals Corp. common 58606R403 7251 3180463 SH SOLE 3180463 MetaSolv, Inc. common 59139P104 3733 1287354 SH SOLE 1287354 MetaSolv, Inc. (Restricted) common 59139P104 1933 666667 SH SOLE 666667 Metabasis Therapeutics Inc. common 59101M105 8436 1054500 SH SOLE 1054500 Metretek Technologies, Inc common 570619106 4978 556264 SH SOLE 556264 Micro Therapeutics, Inc. common 59500W100 19451 2806814 SH SOLE 2806814 Modtech Holdings Inc. common 60783c100 4116 440730 SH SOLE 440730 Moldflow Corporation common 608507109 1407 100902 SH SOLE 100902 Monterey Gourmet Foods, Inc. common 612570101 3513 871599 SH SOLE 871599 Motive, Inc. common 61980V107 2189 708300 SH SOLE 708300 NMS Communications Corporation common 629248105 12160 3484164 SH SOLE 3484164 Nabi Biopharmaceuticals common 629519109 575 170000 SH SOLE 170000 Nanometrics Incorporated common 630077105 4449 404054 SH SOLE 404054 Natus Medical Incorporated common 639050103 9320 577420 SH SOLE 577420 Net Perceptions, Inc. common 64107U101 1384 2231657 SH SOLE 2231657 Nova Measuring Instruments Ltd common M7516K103 5162 2367837 SH SOLE 2367837 Nuance Communications, Inc. common 80603P107 7564 991343 SH SOLE 991343 ONYX Software Corporation common 683402101 8858 2060152 SH SOLE 2060152 OPNET Technologies, Inc. common 683757108 7577 824444 SH SOLE 824444 Odimo Incorporated common 67606R107 726 537756 SH SOLE 537756 OneTravel Holdings, Inc. common 68275A201 2584 1272726 SH SOLE 1272726 Optimal Group, Inc. (Canada) common 68388R208 10110 499000 SH SOLE 499000 Orthovita, Inc. common 68750U102 5118 1318974 SH SOLE 1318974 PC-Tel, Inc. common 69325Q105 15071 1720456 SH SOLE 1720456 PSi Technologies Holdings, Inc common 74438Q109 1071 1648375 SH SOLE 1648375 Panacos Pharmaceuticals, Inc. common 69811Q106 2760 398200 SH SOLE 398200 ParkerVision, Inc. common 701354102 13224 1453140 SH SOLE 1453140 Peco II, Inc. common 705221109 2772 1548462 SH SOLE 1548462 Performance Technologies common 71376K102 4959 605523 SH SOLE 605523 Pervasive Software, Inc. common 715710109 933 213000 SH SOLE 213000 Phoenix Technologies, Ltd. common 719153108 11726 1873089 SH SOLE 1873089 Point Therapeutics, Inc. common 730694106 3967 1150000 SH SOLE 1150000 Precision Optics Corporation, common 740294202 659 1881883 SH SOLE 1881883 Primal Solutions, Inc. common 74154A106 1796 14972343 SH SOLE 14972343 Printronix, Inc. common 742578107 6128 398969 SH SOLE 398969 Quantum Fuel Systems Tech Worl common 74765E109 5671 2116149 SH SOLE 2116149 Quidel Corporation common 74838J101 2633 244658 SH SOLE 244658 Quovadx, Inc. common 74913K106 5456 2263874 SH SOLE 2263874 RADVision Ltd. (Israel) common M81869105 8881 535666 SH SOLE 535666 RF Monolithics, Inc. common 74955F106 5615 1002728 SH SOLE 1002728 RIT Technologies Ltd. common M8215N109 5159 2214300 SH SOLE 2214300 Raindance Communications, Inc. common 75086X106 1152 564889 SH SOLE 564889 Regeneration Technologies, Inc common 75886N100 7735 1081884 SH SOLE 1081884 Remedent, Inc. (R/R)(Belgium) common 75954T104 4417 1666667 SH SOLE 1666667 Repligen Corporation common 759916109 70 17600 SH SOLE 17600 Rush Enterprises, Inc. Class A common 781846209 6333 425600 SH SOLE 425600 SPACEHAB, Incorporated common 846243103 1272 1816600 SH SOLE 1816600 Saba Software, Inc. common 784932600 2277 558119 SH SOLE 558119 Sangamo BioSciences, Inc. common 800677106 7059 1751700 SH SOLE 1751700 Scopus Video Network, Ltd. (Is common Not Avail 839 139870 SH SOLE 139870 SeaChange International, Inc. common 811699107 14817 1875626 SH SOLE 1875626 Solexa, Inc. common 83420X105 5035 500000 SH SOLE 500000 Solexa, Inc. (Restricted) common 83420X105 2196 337881 SH SOLE 337881 Sonic Innovations, Inc. common 83545M109 6279 1484396 SH SOLE 1484396 SpectraLink Corporation common 847580107 7124 600132 SH SOLE 600132 Stellent, Inc. common 85856W105 5229 526589 SH SOLE 526589 SumTotal Systems, Inc. common 866615107 9634 2140965 SH SOLE 2140965 Supercom, Ltd. (Israel) common M8708Y109 551 787279 SH SOLE 787279 Supercom, Ltd. (R/R) (Israel) common M8708Y109 2500 4032258 SH SOLE 4032258 SupportSoft, Inc. common 868587106 5612 1329955 SH SOLE 1329955 Tapestry Pharmaceuticals, Inc. common 876031105 67 217600 SH SOLE 217600 Tegal Corporation common 879008100 8769 15384615 SH SOLE 15384615 Telular Corporation common 87970T208 827 251430 SH SOLE 251430 The Knot, Inc. common 499184109 27675 2419106 SH SOLE 2419106 Trans World Corporation (Rest) common 893386R20 2250 1323600 SH SOLE 1323600 Tut Systems, Inc. (Rest/Reg) common 901103101 6620 2213997 SH SOLE 2213997 Tvia, Inc. common 87307P101 11276 5125407 SH SOLE 5125407 U.S. Home Systems, Inc. common 90335C100 3465 541347 SH SOLE 541347 U.S. Physical Therapy, Inc. common 90337L108 9201 498144 SH SOLE 498144 Ultra Clean Holdings, Inc. common 90385V107 3116 432163 SH SOLE 432163 Unify Corporation common 904743101 2260 6644750 SH SOLE 6644750 Utah Medical Products, Inc. common 917488108 415 12937 SH SOLE 12937 VantageMed Corporation (Rest/R common 92208w106 1452 3225806 SH SOLE 3225806 Visual Networks, Inc. common 928444108 6651 3674492 SH SOLE 3674492 Vnus Medical Technologies, Inc common 928566108 2757 329040 SH SOLE 329040 WPCS International Incorporate common 92931L104 8595 796531 SH SOLE 796531 Wherify Wireless, Inc. (Rest/R common 44984P201 737 423438 SH SOLE 423438 Willbros Group, Inc. (Panama) common 969199108 5051 349800 SH SOLE 349800 Witness Systems, Inc. common 977424100 4290 218088 SH SOLE 218088 World Heart Corporation common 980905202 5996 11313305 SH SOLE 11313305 Xcyte Therapies, Inc. common 98389F309 3031 4524428 SH SOLE 4524428 Youbet.com, Inc. common 987413101 1057 223488 SH SOLE 223488 Zoran Corporation common 98975F101 1243 76666 SH SOLE 76666 iPass, Inc. common 46261V108 5843 890678 SH SOLE 890678 Berkeley HeartLab Corp. Series preferred Not Avail 313 167785 SH SOLE 167785 E Ink Corporation Prvt Co. (Re preferred Not Avail 6000 13636363 SH SOLE 13636363 Velocity Express Corp (R/R) 6% preferred Not Avail 1751 833921 SH SOLE 833921 Velocity Express Corp R/R @3.6 preferred Not Avail 152 72538 SH SOLE 72538 Verdasys Inc ser B cvt pfd @2 preferred Not Avail 6320 2500000 SH SOLE 2500000 Adept Tech @1.25 5/18/04-11/18 warrants Not Avail 6800 4444450 SH SOLE 4444450 American Tech W(R/R)@6.36 1/18 warrants Not Avail 154 358605 SH SOLE 358605 Applied Neurosolutions(RR) Wt warrants Not Avail 540 6000000 SH SOLE 6000000 Aradigm Corporation (R/R) @1.0 warrants Not Avail 34 854428 SH SOLE 854428 Aradigm Corporation (R/R)@2.50 warrants Not Avail 6 555554 SH SOLE 555554 Arotech Corp Wt @1.45 12/31/03 warrants Not Avail 11 266667 SH SOLE 266667 Arotech Corp(R/R)Wt@2.25 6/30/ warrants Not Avail 6 193940 SH SOLE 193940 Artisoft Inc. RR @.1898 9/30/0 warrants Not Avail 147 2100000 SH SOLE 2100000 Axeda Systems Wt(R/R)@1.35 9/2 warrants Not Avail 25 2459050 SH SOLE 2459050 Bioenvision Inc. Wts(R/R)@2 5/ warrants Not Avail 1150 250000 SH SOLE 250000 Caprius, Inc A RR@.28 5/16/05- warrants Not Avail 331 8275861 SH SOLE 8275861 Caprius, IncB RR@.145 11/15/05 warrants Not Avail 110 2758620 SH SOLE 2758620 Celestica, Inc. Wt (R/R) @18.7 warrants Not Avail 1 21853 SH SOLE 21853 Critical Therapeutics(R/R) @5. warrants Not Avail 1016 319343 SH SOLE 319343 DepoMed, Inc. Wts (R/R) @4.275 warrants Not Avail 223 120000 SH SOLE 120000 DepoMed, Inc. Wts(RR)@2.16 7/2 warrants Not Avail 1949 486111 SH SOLE 486111 Discovery Labs Wt RR@6.875 9/2 warrants Not Avail 139 100000 SH SOLE 100000 FIND/SVP, Inc. Wts (Rest/Reg) warrants Not Avail 244 1111150 SH SOLE 1111150 GoAmerica R/R Wt @.15 12/19/08 warrants Not Avail 3 280000 SH SOLE 280000 ION Networks, Inc Wt (R/R) @ . warrants Not Avail 22 1120000 SH SOLE 1120000 ION Networks, Inc. Wts (R/R) @ warrants Not Avail 154 2205882 SH SOLE 2205882 Immersion Corporation R/R @7.0 warrants Not Avail 235 213475 SH SOLE 213475 Integral Vision, Inc. @1.6 4/1 warrants Not Avail 1313 1850000 SH SOLE 1850000 Intermap Tech R/R @5.30CN 7/18 warrants Not Avail 1338 1737878 SH SOLE 1737878 Isis Pharmaceutical R/R @5.239 warrants Not Avail 282 250000 SH SOLE 250000 Iteris,Inc. (R/R) Wts B @1.61 warrants Not Avail 1100 1250000 SH SOLE 1250000 Memory Pharmaceutical Wt R/R @ warrants Not Avail 873 1105261 SH SOLE 1105261 Metabasis Thera R/R @6.74 3/30 warrants Not Avail 376 119350 SH SOLE 119350 OneTravel Holdings Inc R @.55 warrants Not Avail 356 5090908 SH SOLE 5090908 Orthovita, Inc. (Rest/Reg) @4 warrants Not Avail 56 142858 SH SOLE 142858 Oscient Pharma (RR) @3.48 3/29 warrants 372430108 68 200000 SH SOLE 200000 Parkervision, Inc. Wts (R/R) @ warrants Not Avail 418 200000 SH SOLE 200000 Primal Solutions, Inc. Wt R/R warrants Not Avail 326 6521739 SH SOLE 6521739 Q Comm International, Inc. Wts warrants Not Avail 32 120100 SH SOLE 120100 Rainmaker Systems, Inc.Wt RR@1 warrants Not Avail 40 666680 SH SOLE 666680 Remedent, Inc. (Rest/Reg) @1.7 warrants Not Avail 2950 1666667 SH SOLE 1666667 RiT Technologies Ltd Wt F R/R warrants Not Avail 509 553575 SH SOLE 553575 Rockford Corp (R/R) @3.73 6/11 warrants Not Avail 188 118148 SH SOLE 118148 SMTC Manufact Canada (RR)@1.85 warrants Not Avail 42 838250 SH SOLE 838250 Solexa, Inc Wts (Rest/Reg) @5 warrants Not Avail 662 107916 SH SOLE 107916 Solexa, Inc Wts (Rest/Reg) @5 warrants Not Avail 877 142084 SH SOLE 142084 SumTotal (R/R) @5.96 12/20/03- warrants Not Avail 44 100341 SH SOLE 100341 Tegal Corporation Wts (R/R) @. warrants Not Avail 3 14566 SH SOLE 14566 Tegal Corporation Wts (R/R) @. warrants Not Avail 286 1243239 SH SOLE 1243239 Tegal Corporation Wts (R/R) @1 warrants Not Avail 182 1400000 SH SOLE 1400000 Tegal Corporation Wts (R/R) @1 warrants Not Avail 881 6292308 SH SOLE 6292308 Trikon Tech (AVZA)(RR)@6.25 10 warrants Not Avail 14 350000 SH SOLE 350000 Tut Systems, Inc. (Rest/Reg) @ warrants Not Avail 542 1106998 SH SOLE 1106998 Unify Corp Wts (R/R)@.8924 4/2 warrants Not Avail 158 2253560 SH SOLE 2253560 VantageMed Corporation A R/R @ warrants Not Avail 71 645161 SH SOLE 645161 VantageMed Corporation B R/R @ warrants Not Avail 65 645161 SH SOLE 645161 WPCS International R/R@.70 11/ warrants Not Avail 5550 15000000 SH SOLE 15000000 Wherify Wireless, Inc. @2.70 1 warrants Not Avail 305 500000 SH SOLE 500000
FORM 13F