-----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, JSvFTU3TbF/2b3WrUilzuXioWqgQX9WR7Rho2+W0q00jhikUv9frkRq5O6QshZfk JUl4aFaZp+KvbIZiV28j9A== 0001193125-05-113814.txt : 20050524 0001193125-05-113814.hdr.sgml : 20050524 20050524141307 ACCESSION NUMBER: 0001193125-05-113814 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20050331 FILED AS OF DATE: 20050524 DATE AS OF CHANGE: 20050524 EFFECTIVENESS DATE: 20050524 FILER: COMPANY DATA: COMPANY CONFORMED NAME: OBERWEIS ASSET MANAGEMENT INC/ CENTRAL INDEX KEY: 0000937886 IRS NUMBER: 364106772 FILING VALUES: FORM TYPE: 13F-HR SEC ACT: 1934 Act SEC FILE NUMBER: 028-04688 FILM NUMBER: 05853991 BUSINESS ADDRESS: STREET 1: C/O OBERWEIS ASSET MANAGEMENT INC STREET 2: 951 ICE CREAM DR #200 CITY: NORTH AURORA STATE: IL ZIP: 60542 BUSINESS PHONE: 8003236166 MAIL ADDRESS: STREET 1: C/O OBERWEIS ASSET MANAGEMENT INC STREET 2: 951 ICE CREAM DR #200 CITY: N AURORA STATE: IL ZIP: 60542 13F-HR 1 d13fhr.txt OBERWEIS ASSET MANAGEMENT, INC. UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 13F Form 13F COVER PAGE Report for the Calendar Year or Quarter Ended: March 31, 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: Oberweis Asset Management, Inc. Address: 951 Ice Cream Dr., Suite 200 North Aurora, IL 60542 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: Patrick B. Joyce North Aurora, IL May 24, 2005 - ------------------------- [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 manger are reported in this report and a portion are reported by other reporting manager(s).) List of Other Managers reporting for this Manager: [If there are no entries in this list, omit this section.] FORM 13F SUMMARY PAGE Report Summary: Number of other Included Managers: ____________________ Form 13F Information Table Entry Total: 181 Data Records Form 13F Information Table Value Total: $ 838,245 (thousandths) 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 Oberweis Asset Management, Inc. FORM 13F March 31, 2005
Voting Authority Value Shares/ Sh/ Put/ Investt Other -------------------------- Name of Issuer Title of Class Cusip (X$1000) Prn Amt Prn Call Dscretn Managers Sole Shared None - ------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- -------- A D A M Inc. com 00088U108 1036 184758 SH SOLE 65312 119446 ASV Inc. com 001963107 6330 159665 SH SOLE 44067 115598 Able Labs, Inc. com 00371N407 7337 312756 SH SOLE 97555 215201 Ace Comm. Corp. com 004404109 1625 511076 SH SOLE 182354 328722 Advanced Nutraceuticals Inc com 00760q201 56 16310 SH SOLE 4641 11669 Akamai Technologies Com com 00971t101 907 71277 SH SOLE 19735 51542 Aldila Inc. com 014384200 2354 139267 SH SOLE 44915 94352 Allied Motion com 019330109 1656 222868 SH SOLE 78346 144522 Altiris, Inc. com 02148M100 10622 445347 SH SOLE 118821 326526 Alvarion LTD. com m0861t100 4284 448147 SH SOLE 134848 313299 American Healthways, Inc. com 02649V104 7895 239083 SH SOLE 67325 171758 American Pharmaceuticals Partn com 02886P109 568 10985 SH SOLE 5686 5299 American Science & Engr. Inc. com 029429107 2545 56933 SH SOLE 19180 37753 Anika Therapeutics, Inc. com 035255108 4352 340039 SH SOLE 117817 222222 Aptimus Inc. com 03833V108 307 16978 SH SOLE 6978 10000 Arthrocare Corp. com 043136100 5592 196202 SH SOLE 52481 143721 Ask Jeeves, Inc. com 045174109 3775 134450 SH SOLE 42727 91723 Astea Intl. Inc. com 04622e208 1039 129266 SH SOLE 36966 92300 Audible, Inc. com 05069A302 10258 758756 SH SOLE 152343 606413 Audio Codes com m15342104 9697 861216 SH SOLE 212310 648906 Autodesk Inc. com 052769106 346 11618 SH SOLE 6001 5617 Barrett Business Services com 068463108 3541 161407 SH SOLE 33404 128003 Bei Technologies, Inc. com 05538P104 1603 66876 SH SOLE 24558 42318 Bone Care International, Inc. com 098072101 11489 442911 SH SOLE 91861 351050 Build A Bear com 120076104 12542 409204 SH SOLE 64845 344359 CTRIP Com Int'l Ltd com 22943f100 8830 233278 SH SOLE 60746 172532 Caremark Rx, Inc. com 141705103 1416 35587 SH SOLE 35587 Carrizo Oil & Company, Inc. com 144577103 17006 1000944 SH SOLE 254111 746833 Cash Sys Inc com 14756B102 1490 199406 SH SOLE 70750 128656 Catapult Communications com 149016107 2032 95178 SH SOLE 29325 65853 Celebrate Express Inc. com 15100a104 2407 122885 SH SOLE 30283 92602 Celgene Corp. com 151020104 361 10600 SH SOLE 6000 4600 Cellpoint, Inc. com 15115e109 0 11875 SH SOLE 11875 Centene Corp. com 15135B101 9427 314327 SH SOLE 62144 252183 Central European Distribution com 153435102 31107 934420 SH SOLE 204608 729812 Cephalon, Inc. com 156708109 452 9650 SH SOLE 5000 4650 Ceradyne, Inc. com 156710105 16897 755326 SH SOLE 143128 612198 Ceragon Networks com m22013102 3309 661856 SH SOLE 104721 557135 Chicos Fas, Inc. com 168615102 8866 313743 SH SOLE 83338 230405 Coach, Inc. com 189754104 439 7750 SH SOLE 4000 3750 Cogent, Inc com 19239y108 1407 55869 SH SOLE 10180 45689 Cognizant Technology Solutions com 192446102 1595 34528 SH SOLE 5693 28835 Communications Intelligence Co com 20338k106 216 526996 SH SOLE 187211 339785 Competitive Technologies, Inc. com 204512107 1990 142623 SH SOLE 50083 92540 Coninucare Corp. com 212172100 35 14000 SH SOLE 14000 Connectics Corporation com 208192104 5782 228612 SH SOLE 74972 153640 Cybersource Corp com 23251J106 1005 195128 SH SOLE 68729 126399 Cytyc Corp. com 232946103 308 13385 SH SOLE 7000 6385 DHB Industries, Inc. com 23321e103 1701 193335 SH SOLE 55382 137953 Datatrak International Inc com 238134100 2784 165725 SH SOLE 44052 121673 Dawson Geophysical Co com 239359102 3308 136681 SH SOLE 32190 104491 Dearborn Bancorp, Inc. com 24242r108 1149 43372 SH SOLE 13335 30037 Deckers Outdoor Corp com 243537107 7567 211723 SH SOLE 60107 151616 Desarrolladora Homex com 25030w100 12903 524946 SH SOLE 118359 406587 Digital River com 25388b104 15289 490652 SH SOLE 91008 399644 Dynamic Materials Corp. com 267888105 2260 64180 SH SOLE 22679 41501 ECollege.com com 27887e100 355 27428 SH SOLE 8285 19143
1 Oberweis Asset Management, Inc. FORM 13F March 31, 2005
Voting Authority Value Shares/ Sh/ Put/ Investt Other -------------------------- Name of Issuer Title of Class Cusip (X$1000) Prn Amt Prn Call Dscretn Managers Sole Shared None - ------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- -------- Edge Petroleum com 279862106 1585 95699 SH SOLE 32892 62807 Enbridge Energy Management Llc com ckc50x106 0 28119 SH SOLE 28119 Engineered Support Systems, In com 292866100 822 15366 SH SOLE 4500 10866 Euronet Worldwide, Inc. com 298736109 22676 794266 SH SOLE 142029 652237 Extended Systems com 301973103 242 50000 SH SOLE 50000 F5 Networks, Inc. com 315616102 649 12860 SH SOLE 3655 9205 First Advantage Corp CL A com 31845f100 1896 90293 SH SOLE 30913 59380 First Regional Bancorp (Calif) com 33615c101 1835 29124 SH SOLE 7964 21160 Fonar Corp. com 344437108 576 423883 SH SOLE 146589 277294 GMX Resources Inc com 38011M108 776 67418 SH SOLE 10300 57118 General Electric Co. com 369604103 445 12330 SH SOLE 12330 Given Imaging Ltd com m52020100 587 19872 SH SOLE 6000 13872 Golden Eagle Minerals, Inc. com 380961102 0 10000 SH SOLE 10000 Granite City Food Brewery Com com 38724q107 1798 437404 SH SOLE 73693 363711 Greenfield Online, Inc. com 395150105 10583 538559 SH SOLE 137380 401179 Hansen Natural Corp com 411310105 14719 245516 SH SOLE 65731 179785 Health Grades Inc com 42218q102 4445 1097524 SH SOLE 283308 814216 Healthextras, Inc. com 422211102 5465 328237 SH SOLE 80074 248163 Hologic Inc com 436440101 5131 160964 SH SOLE 48187 112777 Hurco Companies, Inc. com 447324104 2992 214468 SH SOLE 71450 143018 I.D. Systems, Inc. com 449489103 3364 303578 SH SOLE 73234 230344 Idx Systems Corporation com 449491109 293 8450 SH SOLE 4369 4081 Image Sensing Systems, Inc. com 45244c104 1054 80729 SH SOLE 28439 52290 Impco Technologies com 45255w106 1127 209643 SH SOLE 74346 135297 Infocrossing, Inc. com 45664X109 169 10700 SH SOLE 10700 Infospace Inc Com New com 45678t201 1792 43880 SH SOLE 6449 37431 Inkine com 457214104 1306 421344 SH SOLE 137529 283815 Innovo Group, Inc. com 457954600 1949 392860 SH SOLE 105384 287476 International Displayworks com 459412102 5710 599165 SH SOLE 142900 456265 Intuitive Surgical, Inc. com 46120e602 8461 186080 SH SOLE 7577 178503 Iris Intl Inc com 46270w105 3887 346107 SH SOLE 61323 284784 Ixia com 45071r109 18527 1041406 SH SOLE 180941 860465 J2 Global Communications, Inc. com 46626E205 273 7959 SH SOLE 4198 3761 Kensey Nash Corp. com 490057106 5782 213530 SH SOLE 63135 150395 Kos Pharmaceuticals, Inc. com 500648100 11397 273437 SH SOLE 74168 199269 Kyphon, Inc. com 501577100 6654 264351 SH SOLE 79000 185351 L-3 Communications Hldgs, Inc. com 502424104 459 6467 SH SOLE 2113 4354 Laserscope com 518081104 6030 189982 SH SOLE 58800 131182 Lazare Kaplan Int'l Inc com 521078105 679 59490 SH SOLE 20594 38896 Lca Vision, Inc. com 501803308 31597 948866 SH SOLE 219921 728945 Lifecell Corp. com 531927101 3673 412650 SH SOLE 87424 325226 Liveperson, Inc. com 538146101 45 17245 SH SOLE 17245 Lucent Technologies com 549463107 44 16000 SH SOLE 16000 M-Systems Flash Disk com M7061C100 14901 676087 SH SOLE 105740 570347 Marvell Technology Group Ltd. com G5876H105 389 10138 SH SOLE 5299 4839 Maverick Tube Corp. com 577914104 441 13550 SH SOLE 7000 6550 Medicore, Inc. com 584931109 829 70560 SH SOLE 14757 55803 Mercantile Bank Corp. com 587376104 1580 38650 SH SOLE 14300 24350 Merge Technologies, Inc. com 589981109 10227 582724 SH SOLE 150231 432493 Mexican Restaurants, Inc. com 59283r104 342 37572 SH SOLE 13301 24271 Microsoft Corp. com 594918104 463 19160 SH SOLE 19160 Mind C T I, Ltd. com M70240102 3285 844401 SH SOLE 211400 633001 Mips Technologies, Inc. com 604567107 1865 162195 SH SOLE 52200 109995 Modine Mfg Co Com com 607828100 209 7111 SH SOLE 3715 3396 Moldflow Corp. com 608507109 1794 112202 SH SOLE 32545 79657 Monterey Bay Tech, Inc. com 61239r105 11 10000 SH SOLE 10000 Motorola Inc. com 620076109 243 16205 SH SOLE 16205
2 Oberweis Asset Management, Inc. FORM 13F March 31, 2005
Voting Authority Value Shares/ Sh/ Put/ Investt Other -------------------------- Name of Issuer Title of Class Cusip (X$1000) Prn Amt Prn Call Dscretn Managers Sole Shared None - ------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- -------- Mtc Technologies, Inc. com 55377A106 4907 150985 SH SOLE 56222 94763 Nano Proprietary Inc Com com 63007x108 28 10000 SH SOLE 10000 Novatel Wireless, Inc. com 66987M604 954 88743 SH SOLE 15350 73393 Novatel, Inc. com 669954109 1843 88165 SH SOLE 23765 64400 Nvidia Corp com 67066g104 211 8868 SH SOLE 3743 5125 Optimal Robotics Corp. com 68388R208 921 50685 SH SOLE 50685 Paincare Holdings, Inc. com 69562e104 1877 375401 SH SOLE 133211 242190 Palomar Medical Technologies, com 697529303 7857 291308 SH SOLE 54600 236708 Patterson-Uti Energy, Inc. com 703481101 977 39056 SH SOLE 8644 30412 Pdf Solutions, Inc. com 693282105 2786 199014 SH SOLE 65758 133256 Perficient Inc. com 71375U101 1583 205807 SH SOLE 60570 145237 Petrokazahstan com 71649P102 971 24174 SH SOLE 8084 16090 Petroleum Dev Corp com 716578109 3532 93700 SH SOLE 28086 65614 Pfizer, Inc. com 717081103 210 8005 SH SOLE 8005 Pinnacle Financial Partners com 72346q104 2365 114118 SH SOLE 44468 69650 Portfolio Recovery Associates, com 73640Q105 7025 206450 SH SOLE 68000 138450 Powerdsine LTD com m41415106 9136 893070 SH SOLE 209906 683164 Programmer's Paradise com 743205106 2064 165672 SH SOLE 58672 107000 Psychiatric Solutions, Inc. com 74439H108 3999 86929 SH SOLE 26850 60079 Pulaski Financial Corp com 745548107 628 30597 SH SOLE 10930 19667 Q Med Inc com 747914109 3060 278152 SH SOLE 63474 214678 Quality Systems, Inc. com 747582104 2454 57950 SH SOLE 20000 37950 Quicksilver, Inc. com 74838c106 242 8342 SH SOLE 4360 3982 Radvision Ltd. com M81869105 5927 468161 SH SOLE 132054 336107 Resmed Inc. com 761152107 251 4443 SH SOLE 1918 2525 Rightnow Tech Inc. com 76657r106 7181 585718 SH SOLE 152555 433163 Rudolph Tech., Inc. com 781270103 4082 271069 SH SOLE 86652 184417 SFBC International, Inc. com 784121105 18206 516621 SH SOLE 110400 406221 SI Int'l com 78427V102 2054 74340 SH SOLE 25424 48916 SRA International A com 78464r105 386 6400 SH SOLE 3302 3098 Safenet, Inc. com 78645R107 10341 352823 SH SOLE 103546 249277 Salix Pharmaceuticals, Ltd. com 795435106 2265 137373 SH SOLE 44852 92521 Sani Tech Industry Inc. com 801017104 0 11000 SH SOLE 11000 Sigmatel, Inc. com 82661w107 22190 592832 SH SOLE 105473 487359 Silicon Image, Inc. com 82705T102 6078 604220 SH SOLE 179866 424354 Smith Micro Software, Inc. com 832154108 3068 627412 SH SOLE 126015 501397 Somanetics Corp. com 834445405 4989 377445 SH SOLE 85622 291823 Sonic Solutions com 835460106 6072 403473 SH SOLE 36800 366673 St. Joseph Capital Corp com 790595102 1441 42472 SH SOLE 12962 29510 Standard & Poor's Depository R com 78462f103 305 2586 SH SOLE 2586 Sun Hydraulics com 866942105 1960 65217 SH SOLE 22924 42293 Synaptics, Inc. com 87157D109 4827 208044 SH SOLE 60661 147383 Tempur Pedic Intl Inc com 88023U101 1204 64514 SH SOLE 8097 56417 Tessera Technologies, Inc. com 88164L100 25359 586612 SH SOLE 160300 426312 Trex Company, Inc com 89531P105 5717 128728 SH SOLE 35068 93660 True Religion Apparel Inc. com 89784N104 5650 457509 SH SOLE 74559 382950 Turbochef Technologies, Inc com 900006206 12453 836361 SH SOLE 144745 691616 UTD Therapeutics Corp com 91307c102 13826 302568 SH SOLE 47991 254577 Ulticom, Inc. com 903844108 5462 490761 SH SOLE 121802 368959 Urban Outfitters, Inc. com 917047102 6766 141056 SH SOLE 4517 136539 Usana Health Sciences, Inc. com 90328M107 9113 192663 SH SOLE 51165 141498 VNUS Med Tech Inc com 928566108 4166 359765 SH SOLE 121686 238079 VSE Corp com 918284100 1875 73228 SH SOLE 22260 50968 Valueclick, Inc. com 92046N102 7029 662459 SH SOLE 169300 493159 Vasco Data Sec com 92230Y104 2686 427778 SH SOLE 127008 300770 Vascular Solutions com 92231m109 1215 134662 SH SOLE 17082 117580 Ventiv Health, Inc. com 922793104 11378 494691 SH SOLE 136450 358241
3 Oberweis Asset Management, Inc. FORM 13F March 31, 2005
Voting Authority Value Shares/ Sh/ Put/ Investt Other -------------------------- Name of Issuer Title of Class Cusip (X$1000) Prn Amt Prn Call Dscretn Managers Sole Shared None - ------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- -------- Veritas DGC Inc com 92343P107 22445 749158 SH SOLE 132556 616602 Visual Networks, Inc. com 928444108 1014 337843 SH SOLE 118632 219211 Vital Images, Inc. com 92846N104 1657 109751 SH SOLE 38589 71162 Walgreen Company com 931422109 386 8700 SH SOLE 8700 Websidestory, Inc. com 947685103 1607 131151 SH SOLE 46931 84220 Whiting Pete Corp com 966387102 8971 219987 SH SOLE 66621 153366 Youbet.com com 987413101 1776 303011 SH SOLE 103693 199318 Zebra Technologies Corp.-Cl A com 989207105 406 8550 SH SOLE 8550 aQuantive, Inc. com 03839G105 21312 1925218 SH SOLE 405600 1519618 Escrow Miltope Group, Inc. 602191991 0 145500 SH SOLE 145500
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