-----BEGIN PRIVACY-ENHANCED MESSAGE----- Proc-Type: 2001,MIC-CLEAR Originator-Name: webmaster@www.sec.gov Originator-Key-Asymmetric: MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB MIC-Info: RSA-MD5,RSA, U9V/55jcK6iRSXsbMnh3mWRhEoUXYkHZxUWWYpDfz1GztBWxDN9CMrCn488sVqmY xq3v+iyHCkExgOwG+0rYpA== 0001144204-10-044167.txt : 20100816 0001144204-10-044167.hdr.sgml : 20100816 20100816104000 ACCESSION NUMBER: 0001144204-10-044167 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20100630 FILED AS OF DATE: 20100816 DATE AS OF CHANGE: 20100816 EFFECTIVENESS DATE: 20100816 FILER: COMPANY DATA: COMPANY CONFORMED NAME: OBERWEIS ASSET MANAGEMENT INC/ CENTRAL INDEX KEY: 0000937886 IRS NUMBER: 364106772 STATE OF INCORPORATION: MA FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 13F-HR SEC ACT: 1934 Act SEC FILE NUMBER: 028-04688 FILM NUMBER: 101017614 BUSINESS ADDRESS: STREET 1: 3333 WARRENVILLE ROAD STREET 2: SUITE 500 CITY: LISLE STATE: IL ZIP: 60532 BUSINESS PHONE: 6305772300 MAIL ADDRESS: STREET 1: 3333 WARRENVILLE ROAD STREET 2: SUITE 500 CITY: LISLE STATE: IL ZIP: 60532 13F-HR 1 v193832_13fhr.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: June 30, 2010 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: Oberweis Asset Management, Inc. Address: 3333 Warrenville Road, Suite 500 Lisle, IL 60532 Form 13F File Number: 28- 4688 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: Patrick B. Joyce Title: Executive Vice President Phone: (800) 323-6166 Signature, Place, and Date of Signing: /s/ Patrick B. Joyce Lisle, IL August 13, 2010 - ------------------------ ------------------------ ------------------- [Signature] [City, State] [Date] Report Type (Check only one.): [X] 13F HOLDINGS REPORT. (Check here if all holdings of this reporting manager are reported in this report.) [ ] 13F NOTICE. (Check here if no holdings reported are in this report, and all holdings are reported by other reporting manager(s).) [ ] 13F COMBINATION REPORT. (Check here if a portion of the holdings for this reporting manager are reported in this report and a portion are reported by other reporting manager(s).) FORM 13F SUMMARY PAGE Report Summary: Number of other Included Managers: _____ Form 13F Information Table Entry Total: 203 Data Records Form 13F Information Table Value Total: $510,926 (thousands) List of Other Included Managers: Provide a numbered list of the name(s) and Form 13F file number (s) of all institutional investment managers with respect to which this report is filed, other than the manger filing this report. [If there are no entries in this list, state "NONE" and omit the column headings and list entries.] 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 - ------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- -------- 3SBio Inc ADR com 88575Y105 3807 327309 SH SOLE 327309 51Job Inc. ADR com 316827104 5546 266500 SH SOLE 257800 8700 APAC Customer Services, Inc. com 00185E106 905 158800 SH SOLE 115400 43400 Acacia Research-Acacia Tech com 003881307 10500 737845 SH SOLE 532855 204990 Acme Packet Inc. com 004764106 10390 386520 SH SOLE 314240 72280 AdCare Health Systems, Inc. com 00650W300 1178 375000 SH SOLE 291900 83100 Adept Technology, Inc. com 006854202 611 121300 SH SOLE 94400 26900 Advanced Energy Industry, Inc. com 007973100 1101 89600 SH SOLE 75900 13700 Aerosonic Corp. com 008015307 82 28000 SH SOLE 22200 5800 Almost Family, Inc. com 020409108 2120 60700 SH SOLE 46400 14300 Alpha & Omega Semiconductor com G6331P104 1849 133900 SH SOLE 112900 21000 American Science & Engr. Inc. com 029429107 2126 27900 SH SOLE 23500 4400 American Superconductor com 030111108 8569 321042 SH SOLE 273610 47432 Amerigon, Inc. com 03070L300 3546 480510 SH SOLE 343100 137410 Anika Therapeutics, Inc. com 035255108 1018 172800 SH SOLE 134000 38800 Arcsight, Inc. com 039666102 12310 549795 SH SOLE 419690 130105 Aruba Networks Inc. com 043176106 4213 295850 SH SOLE 222400 73450 AsiaInfo-Linkage, Inc. com 04518A104 10970 501817 SH SOLE 447420 54397 Atwood Oceanics, Inc. com 050095108 1205 47200 SH SOLE 39900 7300 Axcelis Technologies com 054540109 118 76400 SH SOLE 76400 BHP Billiton Ltd. ADR com 088606108 217 3498 SH SOLE 3498 Baidu Inc. Spon ADR com 056752108 231 3400 SH SOLE 3400 Barrett Bill Corp. com 06846N104 1234 40100 SH SOLE 34100 6000 Blackboard com 091935502 1878 50300 SH SOLE 42200 8100 Bofi Holding, Inc. com 05566U108 5067 358873 SH SOLE 253633 105240 Brooks Automation Inc. com 114340102 1343 173800 SH SOLE 147300 26500 Brush Engineered Materials com 117421107 1181 59100 SH SOLE 50200 8900 CPI Aerostructures, Inc. com 125919308 1022 103760 SH SOLE 75335 28425 CTRIP Com Int'l Ltd ADR com 22943F100 2952 78600 SH SOLE 76600 2000 Cabot Microelectronics Corp. com 12709P103 1847 53400 SH SOLE 45100 8300 Carrizo Oil & Gas, Inc. com 144577103 3778 243291 SH SOLE 170577 72714 Catalyst Health Solutions, Inc com 14888B103 1607 46573 SH SOLE 39373 7200 Cavium Networks, Inc. com 14965A101 2153 82200 SH SOLE 70100 12100 Central European Distribution com 153435102 1451 67873 SH SOLE 55820 12053 Changyou.com Ltd. ADR com 15911M107 1592 61575 SH SOLE 61575 Charm Communications, Inc. com 16112R101 2388 315900 SH SOLE 315900 China Advanced Construction com 169365103 611 172500 SH SOLE 172500 China Cord Blood Corp. com G21107100 1553 295900 SH SOLE 295900 China Distance Educ Hldgs Ltd com 16944W104 424 126600 SH SOLE 126600 China Electric Motor, Inc. com 16890A205 1450 292400 SH SOLE 292400 China Fire & Security Group com 16938R103 223 24300 SH SOLE 24300 China Green Agriculture, Inc. com 16943W105 1671 186100 SH SOLE 166700 19400 China Integrated Energy com 16948P105 1079 130000 SH SOLE 130000 China Jo-Jo Drugstores, Inc. com 16949A206 522 124300 SH SOLE 124300 China New Borun Corp. ADR com 16890T105 2111 360800 SH SOLE 360800 China Nuokang Bio-Ph-Sp ADR com 16949B113 940 196700 SH SOLE 196700 China Real Estate Information com 16948Q103 1997 251213 SH SOLE 251213 China Transinfo Technology com 169453107 2164 398600 SH SOLE 398600 China Valves Technology, Inc. com 169476207 3275 351018 SH SOLE 351018 China XD Plastics Co. Ltd com 16948F107 3117 458351 SH SOLE 458351 China-Biotics, Inc. com 16937B109 1101 84600 SH SOLE 84600 Chinacast Education Corp. com 16946T109 3150 530300 SH SOLE 530300 Cirrus Logic com 172755100 5532 349930 SH SOLE 252800 97130 Cisco Systems, Inc. com 17275R102 253 11887 SH SOLE 11887 Citi Trends, Inc. com 17306X102 1571 47700 SH SOLE 36300 11400 Clicksoftware Technologies Ltd com M25082104 4538 852940 SH SOLE 605340 247600 Cninsure, Inc com 18976M103 5419 208900 SH SOLE 157900 51000 Cognex Corp. com 192422103 803 45700 SH SOLE 38700 7000 Comtech Telecomm Corp. com 205826209 979 32700 SH SOLE 27600 5100 Conceptus Inc. com 206016107 1435 92100 SH SOLE 77900 14200 Concord Medical Spon ADR com 206277105 2655 445500 SH SOLE 445500 Conmed Healthcare Management com 20741M103 985 298600 SH SOLE 232000 66600 Constant Contact, Inc. com 210313102 1567 73450 SH SOLE 61800 11650 Cyberoptics Corp. com 232517102 539 55700 SH SOLE 43400 12300 DG Fastchannel, Inc. com 23326R109 7886 242050 SH SOLE 183530 58520 DRI Corp. com 23330F109 156 91600 SH SOLE 71200 20400 Danvers Bancorp, Inc. com 236442109 1090 75408 SH SOLE 58108 17300 Diamond Mgmt & Technology Cons com 25269L106 2974 288500 SH SOLE 224400 64100 Digimarc Corp. com 25381B101 2147 114500 SH SOLE 88400 26100 Double Eagle Petroleum com 258570209 811 190900 SH SOLE 146600 44300 Duoyuan Global Water, Inc. ADR com 266043108 2957 168000 SH SOLE 168000 Duoyuan Printing, Inc. com 26605B109 1208 156500 SH SOLE 156500 Ecology and Environment, Inc. com 278878103 1175 96200 SH SOLE 73445 22755 Egain Communications Corp. com 28225C806 132 169600 SH SOLE 125600 44000 Emergent Group, Inc. com 29089V203 1861 269266 SH SOLE 201166 68100 Endologix, Inc. com 29266S106 1603 353900 SH SOLE 274000 79900 Enernoc, Inc. com 292764107 1993 63400 SH SOLE 53500 9900 Entropic Communications, Inc. com 29384R105 3557 561000 SH SOLE 434900 126100 Exar Corp. com 300645108 1468 211900 SH SOLE 163900 48000 Exlservice Holdings com 302081104 1305 76000 SH SOLE 64200 11800 FSI Int'l, Inc. com 302633102 1616 385660 SH SOLE 299860 85800 Faro Technologies, Inc. com 311642102 1545 82600 SH SOLE 69800 12800 Female Health Company com 314462102 3220 620400 SH SOLE 480100 140300 Full House Resorts, Inc. com 359678109 75 23900 SH SOLE 23900 G III Apparel Group Ltd. com 36237H101 4303 188000 SH SOLE 144200 43800 GLG Life Tech Corporation com 361793201 1008 131200 SH SOLE 101800 29400 GMX Resources Inc com 38011M108 1611 248276 SH SOLE 192888 55388 GSE Systems com 36227K106 4573 1126410 SH SOLE 852890 273520 General Electric Co. com 369604103 175 12143 SH SOLE 12143 Geoeye, Inc. com 37250W108 2476 79500 SH SOLE 66800 12700 Georesources Inc. com 372476101 3512 252100 SH SOLE 195700 56400 Globecom Systems Inc com 37956X103 1723 208900 SH SOLE 162500 46400 Grand Canyon Education, Inc. com 38526M106 9188 392136 SH SOLE 313546 78590 Green Mtn Coffee com 393122106 2262 88020 SH SOLE 73250 14770 Gulf Resources, Inc. com 40251W309 2041 237600 SH SOLE 237600 HMS Holdings Corp. com 40425J101 3972 73250 SH SOLE 60900 12350 Harbin Electric, Inc. com 41145W109 1086 65200 SH SOLE 65200 Health Grades Inc com 42218Q102 4488 748000 SH SOLE 574500 173500 Herley Industries, Inc. com 427398102 5871 411700 SH SOLE 320400 91300 Hi-Tech Pharmacal com 42840B101 4257 185800 SH SOLE 143700 42100 Home Inns & Hotels Mgmt com 43713W107 12418 318080 SH SOLE 284690 33390 ICF International Inc. com 44925C103 2678 111900 SH SOLE 86400 25500 IPC The Hospitalist Co. com 44984A105 4418 176000 SH SOLE 139980 36020 IROBOT Corp com 462726100 3591 191100 SH SOLE 141590 49510 Illumina Inc com 452327109 263 6040 SH SOLE 6040 Imax Corp. com 45245E109 7499 513630 SH SOLE 402560 111070 Impax Laboratories, Inc. com 45256B101 8235 432080 SH SOLE 339410 92670 Industrial Svcs Of America com 456314103 1182 105750 SH SOLE 82200 23550 Infospace Inc Com New com 45678T300 2052 272808 SH SOLE 211008 61800 Insituform Technology com 457667103 3060 149420 SH SOLE 124900 24520 Integrated Silicon Solution com 45812P107 982 130200 SH SOLE 101100 29100 Interclick, Inc. com 458483203 2289 622100 SH SOLE 482700 139400 Ista Pharmaceuticals, Inc. com 45031X204 1648 752300 SH SOLE 577000 175300 Ixys Corporation com 46600W106 974 110200 SH SOLE 85700 24500 Jinkosolar Holding Co. ADR com 47759T100 1140 117500 SH SOLE 117500 Joe's Jeans, Inc. com 47777N101 990 499900 SH SOLE 388900 111000 Johnson & Johnson com 478160104 218 3685 SH SOLE 3685 Kingtone Wirelessinfo ADR com 496880105 430 167899 SH SOLE 167899 Kit Digital, Inc. com 482470200 1887 214000 SH SOLE 165700 48300 Kraton Performance Polymers com 50077C106 926 49300 SH SOLE 41700 7600 Kulicke & Soffa Inds, Inc. com 501242101 4247 604970 SH SOLE 510200 94770 Kvh Industries, Inc. com 482738101 8022 645890 SH SOLE 469800 176090 Lacrosse Footwear, Inc. com 505688101 1317 78200 SH SOLE 60800 17400 Leapfrog Enterprises, Inc. com 52186N106 1011 251600 SH SOLE 195300 56300 Lihua International, Inc. com 532352101 1406 165400 SH SOLE 165400 Lincoln EDL Svcs com 533535100 3885 188660 SH SOLE 144810 43850 Liveperson, Inc. com 538146101 1872 272900 SH SOLE 209800 63100 Logmein, Inc. com 54142L109 4057 154660 SH SOLE 115550 39110 Longtop Financial Techno ADR com 54318P108 7776 239995 SH SOLE 228025 11970 MKS Instruments, Inc. com 55306N104 1939 103600 SH SOLE 88100 15500 Manitex International, Inc. com 563420108 273 151800 SH SOLE 117200 34600 Mcdonald's com 580135101 257 3900 SH SOLE 3900 Measurement Specialties Inc. com 583421102 1914 139700 SH SOLE 108600 31100 Medidata Solutions, Inc. com 58471A105 6766 436800 SH SOLE 345300 91500 Mellanox Technologies Ltd. com M51363113 1772 80900 SH SOLE 68400 12500 Microsoft Corp. com 594918104 379 16480 SH SOLE 16480 Micrus Endovascular Corp. com 59518V102 2538 122100 SH SOLE 93800 28300 Monolithic Pwr Sys com 609839105 3227 180700 SH SOLE 152800 27900 Multiband Corp. com 62544X209 220 137400 SH SOLE 103727 33673 NCI Inc-Class A com 62886K104 682 30200 SH SOLE 24800 5400 NVE Corp. com 629445206 2033 46700 SH SOLE 35300 11400 Nanometrics, Inc. com 630077105 4755 471290 SH SOLE 361600 109690 National American University H com 63245Q105 1742 200000 SH SOLE 155600 44400 Natus Med Inc com 639050103 1027 63060 SH SOLE 51800 11260 Neptune Tech & Bioressources com 64077P108 23 20100 SH SOLE 15200 4900 Netgear, Inc. com 64111Q104 1103 61800 SH SOLE 52300 9500 Netlogic Microsystems com 64118B100 3027 111270 SH SOLE 91400 19870 Network Engines com 64121A107 974 359400 SH SOLE 279300 80100 Nova Measuring Instruments com M7516K103 1174 283000 SH SOLE 210500 72500 Nuvasive com 670704105 2559 72165 SH SOLE 61100 11065 Omnivision Technologies, Inc. com 682128103 1066 49700 SH SOLE 42000 7700 Opentable, Inc. com 68372A104 4915 118510 SH SOLE 92990 25520 Orient Paper, Inc. com 68619F205 812 121500 SH SOLE 121500 Orion Marine Group, Inc. com 68628V308 956 67300 SH SOLE 56800 10500 PLX Technology Inc. com 693417107 1532 365600 SH SOLE 283600 82000 Panhandle Oil & Gas Inc. com 698477106 2437 92200 SH SOLE 70700 21500 Permafix Environmental Service com 714157104 2765 1717520 SH SOLE 1291600 425920 Polypore International, Inc. com 73179V103 7486 329190 SH SOLE 263260 65930 Power-One, Inc. com 73930R102 5098 755210 SH SOLE 600200 155010 Prospect Medical Hldgs com 743494106 753 124500 SH SOLE 96700 27800 Providence Svc Corp. com 743815102 934 66700 SH SOLE 52600 14100 QKL Stores, Inc. com 74732Y105 4601 1095520 SH SOLE 944400 151120 Raven Inds, Inc. com 754212108 1773 52600 SH SOLE 44500 8100 Real Goods Solar Inc. - Class com 75601N104 1163 368100 SH SOLE 285300 82800 Relm Wireless Corp. com 759525108 855 394100 SH SOLE 305900 88200 Richmont Mines, Inc. com 76547T106 2751 622600 SH SOLE 464500 158100 Rodman & Renshaw Capital Grp com 77487R100 877 306800 SH SOLE 238500 68300 Rudolph Tech., Inc. com 781270103 1570 208000 SH SOLE 161400 46600 Rue21, Inc. com 781295100 2907 95800 SH SOLE 81000 14800 SXC Health Solutions Corp. com 78505P100 8241 112500 SH SOLE 96800 15700 SciClone Pharmaceuticals, Inc. com 80862K104 768 288600 SH SOLE 224400 64200 Scientific Learning Corp. com 808760102 2241 426000 SH SOLE 330000 96000 Shengkai Innovations, Inc. com 82321P104 250 30600 SH SOLE 30600 Sino Clean Energy, Inc. com 82936G200 581 93750 SH SOLE 93750 Skypeople Fruit Juice, Inc. com 83086T208 683 135200 SH SOLE 135200 Sourcefire, Inc. com 83616T108 5744 302332 SH SOLE 222370 79962 Spongetech Delivery Systems com 849109103 1 100000 SH SOLE 100000 Spreadtrum Communications com 849415203 5037 611300 SH SOLE 539000 72300 Srs Labs, Inc. com 78464M106 2693 294300 SH SOLE 227600 66700 Summer Infant, Inc. com 865646103 2499 381500 SH SOLE 279000 102500 Super Micro Computer Inc. com 86800U104 1199 88800 SH SOLE 75100 13700 T 3 Energy Services, Inc. com 87306E107 3211 115100 SH SOLE 88200 26900 Telecommunication Systems com 87929J103 2361 570400 SH SOLE 447300 123100 Tessco Technologies com 872386107 934 55912 SH SOLE 42412 13500 Thoratec Corp. com 885175307 7337 171700 SH SOLE 135060 36640 Tongxin International Ltd. com G8918T103 1262 294200 SH SOLE 294200 Transcend Services, Inc. com 893929208 1133 83900 SH SOLE 64000 19900 Tri-Tech Holding, Inc. com G9103F106 926 113900 SH SOLE 113900 True Religion Apparel Inc. com 89784N104 7168 324800 SH SOLE 261000 63800 Ultra Clean Holdings com 90385V107 1653 194000 SH SOLE 149400 44600 Utstarcom, Inc. com 918076100 74 40400 SH SOLE 20400 20000 Vanceinfo Technologies com 921564100 4104 176275 SH SOLE 176275 Vanda Pharmaceuticals, Inc. com 921659108 906 137000 SH SOLE 106500 30500 Viasat Inc. com 92552V100 1986 61000 SH SOLE 51500 9500 Virage Logic Corp. com 92763R104 1528 128500 SH SOLE 99900 28600 Viropharma Inc. com 928241108 901 80400 SH SOLE 67900 12500 Volterra Semiconductor com 928708106 3402 147545 SH SOLE 110550 36995 Walgreen Company com 931422109 232 8700 SH SOLE 8700 Wave Systems Corp. com 943526301 3506 1082140 SH SOLE 734100 348040 Wonder Auto Technology, Inc. com 978166106 1116 152400 SH SOLE 152400 Xata Corp. com 983882309 965 350900 SH SOLE 258800 92100 Xyratex Ltd. com G98268108 2954 208740 SH SOLE 149580 59160 Yongye Int'l, Inc. com 98607B106 4128 599200 SH SOLE 559600 39600
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