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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, 1999
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Check here if Amendment [X]; Amendment Number: 1
This Amendment (Check only one.): [X] is a restatement.
[ ] adds new holdings
entries.
Institutional Investment Manager Filing this Report:
<S> <C>
Name: Oberweis Asset Management, Inc.
Address: 951 Ice Cream Dr., Suite 200
North Aurora, IL 60542
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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:
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<S> <C>
Name: Patrick B. Joyce
Title: Executive Vice President
Phone: (800) 323-6166
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Signature, Place, and Date of Signing:
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<S> <C> <C>
/s/ Pat Joyce North Aurora, IL July 26, 1999
- ------------------- [City, State] [Date]
[Signature]
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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.)
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Oberweis Asset Management, Inc.
OPTFORM 13F
June 30, 1999
FORM 13F INFORMATION TABLE
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<CAPTION>
TITLE VALUE SHARES/ SH/ PUT/ INVSTMT OTHER VOTING AUTHORITY
NAME OF ISSUER OF CLASS CUSIP (X $1000) PRN AMT PRN CALL DSCRETN MANAGERS SOLE SHARED NONE
- ---------------------------------------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C> <C> <C>
ATI Technologies Inc. com 001941103 459 28200 SH SOLE 13000 15200
Abacus Direct Corp. com 002553105 1693 18500 SH SOLE 18500
Abercrombie & Fitch Co. com 002896207 595 12400 SH SOLE 10000 2400
Action Performance com 004933107 660 20000 SH SOLE 20000
Advance Paradigm Inc. com 007491103 7838 62964 SH SOLE 49464 13500
Advanced Communication com 00750X109 641 46800 SH SOLE 40000 6800
Akorn, Inc. com 009728106 202 50000 SH SOLE 50000
America On Line com 02364J104 682 6200 SH SOLE 4800 1400
American Eagle Outfitters com 02553D108 3763 17164 SH SOLE 6314 10850
American Healthcorp, Inc. com 02649v104 125 15000 SH SOLE 15000
Analytical Surveys Inc. com 032683302 497 20000 SH SOLE 20000
Andrx Corporation com 034551101 8769 48164 SH SOLE 22464 25700
Biogen Inc. com 090597105 727 11300 SH SOLE 5000 6300
Broadcom Corporation com 111320107 2790 19300 SH SOLE 17000 2300
Broadvision Inc. com 111412102 6582 23714 SH SOLE 14464 9250
Business Resource Group com 12329k104 66 20000 SH SOLE 20000
CGI Group Incorporated Class A com 39945C109 846 40300 SH SOLE 35000 5300
Candela Corporation com 136907102 1901 2338 SH SOLE 39464 28410
Carrier Access Corporation com 144460102 1246 28450 SH SOLE 16000 12450
Catalyst International, Inc. com 14887T105 604 33700 SH SOLE 25000 8700
Catapult Communications com 149016107 377 20000 SH SOLE 20000
Chattem Inc. com 162456107 1174 36900 SH SOLE 27400 9500
Check Point Software com M22465104 480 8950 SH SOLE 5000 3950
Chevron Corp. com 166751107 428 4500 SH SOLE 4500
Chico's Fas Inc. com 168615102 1970 18314 SH SOLE 464 17850
Children's Place com 168905107 2337 57700 SH SOLE 49000 8700
Chirex Inc. com 170038103 944 29400 SH SOLE 23000 6400
Cisco Systems, Inc. com 17275R102 436 6774 SH SOLE 5850 924
Citrix Systems Inc. com 177376100 446 7900 SH SOLE 4000 3900
Cognicase Inc. com 192423101 808 49330 SH SOLE 30000 19330
Cognizant Technology Solutions com 192446102 980 37600 SH SOLE 30000 7600
Colorado Medtech, Inc. com 19652U104 1913 21664 SH SOLE 60000 27200
Computer Concepts Corp. com 204897300 73 50000 SH SOLE 50000
Compuware Corporation com 205638109 223 7000 SH SOLE 4000 3000
Concord Communication com 206186108 1372 30500 SH SOLE 30000 500
Concord EFS, Inc. com 206197105 254 6000 SH SOLE 6000
Craftmade International Inc. com 22413E104 149 11500 SH SOLE 10000 1500
Creative Master Intl., Inc. com 22528Y201 395 11464 SH SOLE 60000 17000
Cutter & Buck Inc. com 232217109 1428 19064 SH SOLE 1964 17100
Cybex Computer Products com 232522102 836 30000 SH SOLE 30000
Dental/Medical Diagnostic Syst com 24873K208 176 26500 SH SOLE 20000 6500
Excel Switching Corp. com 30067V108 210 7000 SH SOLE 7000
FDX Corporation com 31304N107 306 5640 SH SOLE 1400 4240
First Consulting Group com 31986R103 637 60000 SH SOLE 60000
Four Media Company com 350872107 195 30000 SH SOLE 30000
Frenchtex com 357814102 6 25000 SH SOLE 25000
Gemstar International Group com G3788V106 535 8200 SH SOLE 5000 3200
Genesis Microchip Inc. com 371933102 2240 29264 SH SOLE 50000 44800
Gentner Communications com 37245J105 902 44928 SH SOLE 34464 10464
Gilat Communications, Ltd. com M50876107 1554 31564 SH SOLE 4464 27100
Gildan Activewear Inc. com 375916103 337 20000 SH SOLE 20000
Gliatech, Inc. com 37929C103 1202 47140 SH SOLE 28000 19140
Global Payment Technology Inc. com 37936s109 111 13900 SH SOLE 13900
HMG Worldwide Corp. com 404235103 197 50000 SH SOLE 50000
Hain Food Group Inc com 405219106 971 47100 SH SOLE 30000 17100
Happy Kids, Inc. com 411391105 195 22500 SH SOLE 19000 3500
Home Depot Inc. com 437076102 202 3139 SH SOLE 2000 1139
IMRglobal Corporation com 45321W106 192 10000 SH SOLE 10000
Impath, Inc. com 45255G101 1450 53700 SH SOLE 50000 3700
Infocure Corporation com 45665A108 1255 23700 SH SOLE 15000 8700
Innotrac Corporation com 45767M109 405 20000 SH SOLE 20000
Innovative Medical Services com 45766r109 98 50000 SH SOLE 50000
Intel Corporation com 458140100 255 4290 SH SOLE 1400 2890
International Fibercom Inc. com 45950T101 455 50000 SH SOLE 50000
J. Jill Group Inc. com 466189107 409 28000 SH SOLE 28000
Jakks Pacific Inc. com 47012E106 1187 39800 SH SOLE 25000 14800
Javelin Systems, Inc. com 471896100 4058 3620 SH SOLE 1856 1764
K-Swiss, Inc. com 482686102 952 20480 SH SOLE 10000 10480
King Pharmaceuticals Inc. com 495582108 2650 36864 SH SOLE 14464 22400
Lernout & Hauspie Speech com B5628B104 223 6300 SH SOLE 3000 3300
Loronix Information Systems com 544183106 214 26000 SH SOLE 6000 20000
MIM Corporation com 553044108 61 25000 SH SOLE 25000
Made2Manage, Inc. com 556466100 1421 45128 SH SOLE 34928 10200
Manatron Inc. com 562048108 233 36500 SH SOLE 20000 16500
Medquist Inc. com 584949101 1400 32000 SH SOLE 32000
Memberworks, Inc. com 586002107 725 25000 SH SOLE 25000
Mercury Interactive Corporatio com 589405109 816 23080 SH SOLE 8000 15080
Metzler Group Inc. com 592903108 552 20000 SH SOLE 20000
Micromuse Incorporated com 595094103 748 15000 SH SOLE 15000
Microsoft Corp. com 594918104 478 5300 SH SOLE 2000 3300
Microwave Power Device com 59517M103 441 28700 SH SOLE 12000 16700
Mindspring Enterprises com 602683104 6793 22228 SH SOLE 60404 27300
Minimed Inc com 60365K108 231 3000 SH SOLE 3000
Mobil Corp. com 607059102 612 6200 SH SOLE 6200
Network Appliance Inc. com 64120L104 2280 40800 SH SOLE 40000 800
New Era Of Networks com 644312100 488 11100 SH SOLE 10300 800
New Horizons Worldwide com 645526104 247 12500 SH SOLE 12500
Noodle Kidoodle Inc. com 655370104 197 37000 SH SOLE 30000 7000
Open Text Corporation com 683715106 2451 16154 SH SOLE 60000 21690
P.F. Changs China Bistro com 69333y108 333 15400 SH SOLE 10000 5400
Papa John's International Inc. com 698813102 2011 45000 SH SOLE 45000
Perclose Inc. com 71361C107 1519 31600 SH SOLE 25000 6600
Peregrine Systems com 71366Q101 668 26000 SH SOLE 26000
Pfizer Inc. com 717081103 305 2800 SH SOLE 2000 800
Polycom Inc. com 73172K104 234 6000 SH SOLE 6000
Qiagen N.A. com 730000106 2346 34500 SH SOLE 34500
Qlogic Corp com 747277101 4604 34880 SH SOLE 25000 9880
Quest Education Corporation com 74835f102 106 10000 SH SOLE 10000
Questron Technology, Inc. com 748372208 77 20000 SH SOLE 20000
RCM Technologies com 749360400 503 38000 SH SOLE 30000 8000
RF Micro Devices, Inc. com 749941100 4433 59400 SH SOLE 44000 15400
Railamerica Inc. com 750753105 206 20000 SH SOLE 20000
Rehabilicare Incorporated com 758944102 66 20000 SH SOLE 20000
Roberts Pharmaceutical com 770491108 276 11500 SH SOLE 8000 3500
Salton Inc. com 795757103 5920 52864 SH SOLE 34464 18400
Sapient Corporation com 803062108 679 12000 SH SOLE 12000
Seracare Inc. com 817473101 50 10000 SH SOLE 10000
Siebel Systems Inc. com 826170102 782 11800 SH SOLE 7600 4200
Softworks, Inc. com 83404P102 1505 5728 SH SOLE 49464 21800
Spectralink Corp. com 847580107 529 34064 SH SOLE 38000 61600
Stericycle, Inc. com 858912108 678 50000 SH SOLE 50000
Steven Madden Ltd. com 556269108 835 61600 SH SOLE 35000 26600
Stillwater Mining Company com 86074q102 497 15300 SH SOLE 10000 5300
Sunrise Assisted Living com 86768K106 732 21000 SH SOLE 20200 800
Suprema Specialties, Inc. com 86859f107 1108 28628 SH SOLE 18464 10164
Synthetech Inc. com 87162e100 190 35000 SH SOLE 35000
Talx Corporation com 874915105 109 15000 SH SOLE 15000
Tarrant Apparel Group com 876289109 227 10000 SH SOLE 10000
Tava Technologies com 872169107 383 49800 SH SOLE 25000 24800
The Laser Center com 872934104 480 10000 SH SOLE 10000
Transwitch Corporation com 894065101 2840 59950 SH SOLE 49000 10950
Tricom, S.A. com 89612a100 813 7964 SH SOLE 40000 33500
Veritas Software Corp. com 923436109 2184 23000 SH SOLE 23000
Verity Inc. com 92343C106 4340 14554 SH SOLE 51500 28590
Vermont Pure Holdings com 924234107 71 20000 SH SOLE 20000
Visx Inc. Del com 92844S105 475 6000 SH SOLE 6000
Vitesse Semiconductor Co. com 928497106 661 9800 SH SOLE 7600 2200
Winland Electronics Inc. com 974241101 52 20000 SH SOLE 20000
Xeikon NV ADR com 984003103 937 41200 SH SOLE 40000 1200
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FORM 13F SUMMARY PAGE
Report Summary:
Number of other Included Managers: ___________________
Form 13F Information Table Entry Total: 129 Data Records
Form 13F Information Table Value Total: $146,434 (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 manager filing this report.
[If there are no entries in this list, state "NONE" and omit the column headings
and list entries.]
NONE.
