-----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, V//olTrIJQUpxeRWcORyx/I8/Ax/9swgp7uHXY120DMTb20XgzEnyMYUnSWXlBcO i9zqcgP34fjpj2mevlgLAw== 0001144204-09-043234.txt : 20090814 0001144204-09-043234.hdr.sgml : 20090814 20090814112015 ACCESSION NUMBER: 0001144204-09-043234 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20090630 FILED AS OF DATE: 20090814 DATE AS OF CHANGE: 20090814 EFFECTIVENESS DATE: 20090814 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: 091013278 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 v157832_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, 2009 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, 2009 - ------------------------ ------------------------ ------------------- [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: 157 Data Records Form 13F Information Table Value Total: $442,473 (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 - ------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- -------- 3PAR, Inc. com 88580F109 1725 139100 SH SOLE 114300 24800 3SBio Inc ADR com 88575Y105 2372 287900 SH SOLE 287900 APAC Customer Services, Inc. com 00185E106 1417 276200 SH SOLE 202700 73500 Acacia Research-Acacia Tec com 003881307 4204 534200 SH SOLE 389300 144900 Access National Corp. com 004337101 151 25100 SH SOLE 18041 7059 Adept Technology, Inc. com 006854202 56 22500 SH SOLE 14700 7800 Alexion Pharm Inc. com 015351109 777 18910 SH SOLE 3690 15220 Allion Healthcare, Inc. com 019615103 2603 437400 SH SOLE 316400 121000 Almost Family, Inc. com 020409108 3864 146700 SH SOLE 107700 39000 American CareSource Holdings, com 02505A103 3547 948490 SH SOLE 655370 293120 American Dairy Inc. com 025334103 2931 73900 SH SOLE 73900 American Public Education, Inc com 02913V103 1797 45433 SH SOLE 37159 8274 American Science & Engr. Inc. com 029429107 2180 31540 SH SOLE 25740 5800 American Superconductor com 030111108 1814 69100 SH SOLE 56800 12300 Amtech Systems, Inc. com 032332504 1072 221000 SH SOLE 162300 58700 Arcsight, Inc. com 039666102 12178 685310 SH SOLE 501720 183590 Arena Resources, Inc. com 040049108 2776 87160 SH SOLE 64420 22740 Art Technology Group Inc. com 04289L107 3857 1015000 SH SOLE 790600 224400 AsiaInfo com 04518A104 6373 370300 SH SOLE 355200 15100 Ata Inc. com 00211V106 3663 413200 SH SOLE 413200 Athena Health, Inc. com 04685W103 3983 107610 SH SOLE 80010 27600 Atwood Oceanics, Inc. com 050095108 1258 50500 SH SOLE 41900 8600 BHP Billiton Ltd. ADR com 088606108 205 3746 SH SOLE 3746 Baidu Inc. Spon ADR com 056752108 7946 26391 SH SOLE 22846 3545 Barrett Bill Corp. com 06846N104 1126 41000 SH SOLE 33900 7100 Blackboard com 091935502 851 29500 SH SOLE 24100 5400 Bofi Holding, Inc. com 05566U108 244 40000 SH SOLE 27240 12760 Boots & Coots International com 099469504 1012 728300 SH SOLE 530500 197800 Bridgepoint Education, Inc. com 10807M105 1863 109600 SH SOLE 89500 20100 Buffalo Wild Wings, Inc. com 119848109 1854 57000 SH SOLE 46500 10500 CPI Aerostructures, Inc. com 125919308 406 58900 SH SOLE 40575 18325 CTRIP Com Int'l Ltd ADR com 22943F100 3889 84000 SH SOLE 84000 Carbo Ceramics, Inc. com 140781105 910 26600 SH SOLE 21700 4900 Cardionet, Inc. com 14159L103 1764 108100 SH SOLE 77500 30600 Carrizo Oil & Gas, Inc. com 144577103 4576 266832 SH SOLE 179226 87606 Catalyst Health Solutions, Inc com 14888B103 3382 135623 SH SOLE 111223 24400 Cavium Networks, Inc. com 14965A101 2320 138000 SH SOLE 112400 25600 Central European Distribution com 153435102 4328 162888 SH SOLE 122622 40266 Changyou.com Ltd. ADR com 15911M107 3542 92300 SH SOLE 92300 China Distance Educ Hldgs Ltd com 16944W104 2764 394800 SH SOLE 394800 China Fire & Security Group com 16938R103 2206 181300 SH SOLE 181300 China Grentech Corp. Ltd. ADR com 16938P107 41 12700 SH SOLE 12700 China Mass Media Int-SP ADR com 169418100 1101 212500 SH SOLE 212500 Chinacast Education Corp. com 16946T109 2775 387000 SH SOLE 387000 Cisco Systems, Inc. com 17275R102 195 10467 SH SOLE 10467 Citi Trends, Inc. com 17306X102 1812 70000 SH SOLE 50900 19100 Clarient, Inc com 180489106 1050 282200 SH SOLE 207100 75100 Clicksoftware Technologies Ltd com M25082104 9789 1483210 SH SOLE 1045050 438160 Cninsure, Inc com 18976M103 6010 448200 SH SOLE 380100 68100 Cogent, Inc com 19239y108 611 56900 SH SOLE 46600 10300 Compellent Technologies Inc. com 20452A108 862 56500 SH SOLE 46100 10400 Cornerstone Therapeutics, Inc. com 21924P103 1264 115000 SH SOLE 84400 30600 Craft Brewers Alliance, Inc. com 224122101 222 108700 SH SOLE 76300 32400 Cybersource Corp com 23251J106 1561 102000 SH SOLE 79100 22900 Cypress Biosciences Inc com 232674507 6266 665200 SH SOLE 511400 153800 DG Fastchannel, Inc. com 23326r109 9624 525920 SH SOLE 391870 134050 Deckers Outdoor Corp com 243537107 2347 33400 SH SOLE 27080 6320 Demandtec, Inc. com 24802R506 2061 234200 SH SOLE 171800 62400 Diedrich Coffee, Inc. com 253675201 3569 150100 SH SOLE 111000 39100 Dolan Media Company com 25659P402 1311 102500 SH SOLE 84500 18000 Double Eagle Petroleum com 258570209 523 105100 SH SOLE 77100 28000 Duoyuan Global Water, Inc. ADR com 266043108 777 32000 SH SOLE 32000 E-House China Holdings-ADS com 26852W103 6733 436050 SH SOLE 376600 59450 Ebix Inc. com 278715206 8455 269950 SH SOLE 184985 84965 Ecology and Environment, Inc. com 278878103 699 49150 SH SOLE 34845 14305 Emergent Biosolutions, Inc. com 29089Q105 1886 131600 SH SOLE 107600 24000 Emergent Group, Inc. com 29089V203 1886 235100 SH SOLE 170500 64600 Exactech, Inc. com 30064E109 845 58300 SH SOLE 42700 15600 Female Health Company com 314462102 3692 769110 SH SOLE 539530 229580 Fuel Tech Inc. com 359523107 4360 449500 SH SOLE 333100 116400 G III Apparel Group Ltd. com 36237H101 2975 258900 SH SOLE 189700 69200 GMX Resources Inc com 38011M108 1958 183976 SH SOLE 132388 51588 GSE Systems com 36227K106 4969 736200 SH SOLE 512420 223780 General Electric Co. com 369604103 158 13473 SH SOLE 13473 Genoptix Inc. com 37243V100 6969 217850 SH SOLE 173620 44230 Georesources Inc. com 372476101 1731 169700 SH SOLE 124600 45100 Goodrich Petroleum Corp. com 382410405 1151 46800 SH SOLE 38200 8600 Grand Canyon Education, Inc. com 38526M106 1597 95196 SH SOLE 77796 17400 Green Mtn Coffee com 393122106 6020 101835 SH SOLE 75560 26275 HMS Holdings Corp. com 40425J101 3756 92250 SH SOLE 74400 17850 Health Grades Inc com 42218q102 1789 457500 SH SOLE 335100 122400 Hi-Tech Pharmacal com 42840B101 3709 416700 SH SOLE 302400 114300 Home Inns & Hotels Mgmt com 43713W107 3790 238500 SH SOLE 220800 17700 Human Genome Science com 444903108 2445 852000 SH SOLE 619700 232300 ICF International Inc. com 44925C103 1760 63800 SH SOLE 46700 17100 IPC The Hospitalist Co. com 44984A105 11306 423600 SH SOLE 327980 95620 Icad, Inc. com 44934S107 654 503200 SH SOLE 369300 133900 Iconix Brand Group, Inc. com 451055107 1485 96550 SH SOLE 78950 17600 Idera Pharmaceuticals, Inc. com 45168K306 777 132600 SH SOLE 96300 36300 Illumina Inc com 452327109 2013 51704 SH SOLE 13344 38360 Immunomedics, Inc. com 452907108 1229 483700 SH SOLE 354500 129200 Intellon Corp. com 45816W504 1328 312500 SH SOLE 227600 84900 Johnson & Johnson com 478160104 200 3526 SH SOLE 3526 Kongzhong Corp. ADR com 50047P104 2445 227700 SH SOLE 227700 LHC Group, Inc. com 50187A107 1102 49600 SH SOLE 40700 8900 Lannett Company, Inc. com 516012101 1257 183500 SH SOLE 134600 48900 Lasercard Corp com 51807U101 446 134800 SH SOLE 92500 42300 Lincoln EDL Svcs com 533535100 1561 74600 SH SOLE 60900 13700 Liveperson, Inc. com 538146101 1039 259800 SH SOLE 190400 69400 Longtop Financial Techno ADR com 54318P108 7881 320895 SH SOLE 308525 12370 Majesco Entertainment com 560690208 157 80700 SH SOLE 59800 20900 Mastec Inc. com 576323109 1736 148130 SH SOLE 104940 43190 Maxwell Technologies, Inc. com 577767106 3676 265800 SH SOLE 194800 71000 Maxygen, Inc. com 577776107 898 133600 SH SOLE 96800 36800 Mcdonald's com 580135101 224 3900 SH SOLE 3900 Medidata Solutions, Inc. com 58471A105 1610 98300 SH SOLE 81500 16800 Merrimac Industries, Inc. com 590262101 1426 168400 SH SOLE 122100 46300 Microsoft Corp. com 594918104 395 16630 SH SOLE 16630 Multiband Corp. com 62544X209 755 319944 SH SOLE 228871 91073 NCI Inc-Class A com 62886K104 1831 60200 SH SOLE 44200 16000 NPS Pharmaceuticals com 62936P103 1813 389000 SH SOLE 280800 108200 NVE Corp. com 629445206 4340 89300 SH SOLE 64600 24700 Neptune Tech & Bioressources com 64077P108 110 61000 SH SOLE 43300 17700 Netease.Com, Inc. com 64110W102 2660 75600 SH SOLE 75600 Netlogic Microsystems com 64118B100 2065 56640 SH SOLE 46200 10440 Neutral Tandem, Inc. com 64128B108 6474 219300 SH SOLE 165230 54070 New Gold, Inc. com 644535106 41 15000 SH SOLE 15000 New Oriental Education com 647581107 5193 77100 SH SOLE 75300 1800 Panhandle Oil & Gas Inc. com 698477106 1936 98600 SH SOLE 72300 26300 Pegasystems Inc. com 705573103 8711 330231 SH SOLE 261350 68881 Perfect World ADR com 71372U104 6386 223300 SH SOLE 186500 36800 Permafix Environmental Service com 714157104 6394 2642040 SH SOLE 1851810 790230 Phase Forward com 71721R406 1392 92100 SH SOLE 75400 16700 Privatebancorp, Inc. com 742962103 3160 142090 SH SOLE 106000 36090 Quality Systems, Inc. com 747582104 3007 52800 SH SOLE 43800 9000 Repligen Corp com 759916109 5017 912100 SH SOLE 664200 247900 Richmont Mines, Inc. com 76547T106 2084 641100 SH SOLE 458000 183100 Rino International Corp. com 766883102 819 83600 SH SOLE 83600 Rrsat Global Communications com M8183P102 2875 234900 SH SOLE 208000 26900 STEC Inc. com 784774101 1920 82800 SH SOLE 68100 14700 SXC Health Solutions Corp. com 78505P100 3564 140200 SH SOLE 124200 16000 Shanda Interactive Entmt, Ltd com 81941Q203 2933 56031 SH SOLE 54800 1231 Sharps Compliance Corp. com 820017101 998 156900 SH SOLE 111623 45277 Sohu.Com, Inc. com 83408W103 3384 53860 SH SOLE 52750 1110 Somanetics Corp. com 834445405 3591 217493 SH SOLE 164003 53490 Sonic Foundry Inc. com 83545R108 172 269000 SH SOLE 185800 83200 Sourcefire, Inc. com 83616T108 2407 194300 SH SOLE 141100 53200 Spire Corp. com 848565107 1013 184200 SH SOLE 135000 49200 Stanley Inc. com 854532108 1726 52500 SH SOLE 42700 9800 Starent Networks Corp. com 85528P108 7869 322360 SH SOLE 258245 64115 Summer Infant, Inc. com 865646103 917 383800 SH SOLE 281300 102500 Supergen, Inc. com 868059106 427 211600 SH SOLE 153600 58000 Synaptics, Inc. com 87157D109 8658 224022 SH SOLE 172295 51727 Synovis Life Technologies, Inc com 87162G105 7297 351300 SH SOLE 256000 95300 T 3 Energy Services, Inc. com 87306E107 1474 123800 SH SOLE 90800 33000 Telecommunication Systems com 87929J103 4228 594600 SH SOLE 448900 145700 Thoratec Corp. com 885175307 3318 123880 SH SOLE 93640 30240 Transcend Services, Inc. com 893929208 1520 95900 SH SOLE 69700 26200 True Religion Apparel Inc. com 89784N104 9180 411650 SH SOLE 307810 103840 Vanceinfo Technologies com 921564100 6621 448275 SH SOLE 418275 30000 Visionchina Media Inc ADR com 92833U103 6235 1020405 SH SOLE 905770 114635 Vistaprint Limited com G93762204 4781 112100 SH SOLE 91900 20200 Vocus Inc. com 92858J108 3966 200500 SH SOLE 149600 50900 Walgreen Company com 931422109 256 8700 SH SOLE 8700 Wonder Auto Technology, Inc. com 978166106 3135 309483 SH SOLE 309483 Xata Corp. com 983882309 872 232500 SH SOLE 161300 71200 Yongye Biotechnology Inter. com 986063105 1213 336100 SH SOLE 336100
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