0001104659-20-062231.txt : 20200515 0001104659-20-062231.hdr.sgml : 20200515 20200515104522 ACCESSION NUMBER: 0001104659-20-062231 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20200331 FILED AS OF DATE: 20200515 DATE AS OF CHANGE: 20200515 EFFECTIVENESS DATE: 20200515 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: 20881862 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 primary_doc.xml 13F-HR LIVE false false false 0000937886 XXXXXXXX 03-31-2020 03-31-2020 false OBERWEIS ASSET MANAGEMENT INC/

3333 Warrenville Road Suite 500 Lisle IL 60532

13F HOLDINGS REPORT 028-04688 N Patrick B. Joyce 800-323-6166 /s/ Patrick B. Joyce Lisle IL 05-15-2020 0 172 181247 INFORMATION TABLE 2 infotable.xml 21Vianet Group, Inc. - ADR com 90138A103 832 60000 SH SOLE 60000 0 0 ACM Research, Inc. Class A com 00108J109 740 25000 SH SOLE 25000 0 0 AMR Corp Escrow com 001esc102 0 18000 SH SOLE 18000 0 0 Accuray Inc. com 004397105 405 213300 SH SOLE 213300 0 0 Addus Homecare Corp. com 006739106 2297 33980 SH SOLE 30030 0 3950 Adesto Technologies Corp. com 00687D101 763 68200 SH SOLE 68200 0 0 Adtran, Inc. com 00738A106 174 22700 SH SOLE 22700 0 0 Advansix, Inc. com 00773T101 130 13600 SH SOLE 13600 0 0 Agco Corp com 001084102 404 8555 SH SOLE 8555 0 0 Air Transport Services Group, com 00922R105 860 47030 SH SOLE 47030 0 0 Alibaba ADR com 01609W102 7002 36005 SH SOLE 34130 0 1875 Allied Motion Technologies com 019330109 391 16500 SH SOLE 16500 0 0 Allscripts Healthcare Solution com 01988P108 189 26800 SH SOLE 26800 0 0 Amedisys Inc. com 023436108 1155 6295 SH SOLE 3240 0 3055 Ameresco, Inc. com 02361E108 692 40608 SH SOLE 40608 0 0 American Eagle Outfitters com 02553E106 157 19800 SH SOLE 19800 0 0 American Power Corp com 02906t107 0 10000 SH SOLE 0 0 10000 Amgen, Inc. com 031162100 307 1512 SH SOLE 0 0 1512 Antares Pharma, Inc. com 036642106 473 200600 SH SOLE 200600 0 0 Apple, Inc. com 037833100 629 2473 SH SOLE 60 0 2413 Arco Platform Ltd. Com Cl A com G04553106 537 12700 SH SOLE 12700 0 0 Associated Banc-Corp com 045487105 440 34440 SH SOLE 34440 0 0 Audio Codes ADR com m15342104 28057 1174438 SH SOLE 898838 0 275600 Avatar Ventures com 05350B100 0 10000 SH SOLE 0 0 10000 Axcelis Technologies com 054540208 2137 116730 SH SOLE 101500 0 15230 Bandwidth, Inc. com 05988J103 3893 57849 SH SOLE 44969 0 12880 Baudax Bio, Inc. com 07160F107 227 91620 SH SOLE 91620 0 0 Benchmark Electronics Inc com 08160H101 229 11440 SH SOLE 11440 0 0 BioDelivery Sciences Internati com 09060J106 507 133900 SH SOLE 133900 0 0 Boot Barn Hldgs, Inc. com 099406100 393 30400 SH SOLE 30400 0 0 Bottomline Technologies com 101388106 2015 54980 SH SOLE 42270 0 12710 CACI International, Inc. com 127190304 2833 13415 SH SOLE 9850 0 3565 CNO Financial Group, Inc. com 12621E103 484 39030 SH SOLE 39030 0 0 CRA Int'l Inc. com 12618T105 628 18800 SH SOLE 18800 0 0 Cabot Microelectronics Corp. com 12709P103 1097 9612 SH SOLE 5845 0 3767 Cadence Bancorporation com 12739A100 117 17800 SH SOLE 17800 0 0 Camtek, Ltd. com m20791105 786 93400 SH SOLE 93400 0 0 Cardtronics, Inc. com G1991C105 619 29600 SH SOLE 29600 0 0 Carpenter Technology Corp. com 144285103 359 18400 SH SOLE 18400 0 0 Castle Biosciences, Inc. com 14843C105 2618 87810 SH SOLE 67700 0 20110 Centerstate Bank Corp. com 15201P109 370 21468 SH SOLE 13500 0 7968 Central Pacific Financial Corp com 154760409 596 37500 SH SOLE 37500 0 0 Ceva Inc. com 157210105 673 27000 SH SOLE 27000 0 0 ChannelAdvisor Corporation com 159179100 581 80000 SH SOLE 80000 0 0 Chart Industries Inc. com 16115Q308 979 33780 SH SOLE 23000 0 10780 Clarus Corp. com 18270P109 210 21400 SH SOLE 21400 0 0 Cleveland-Cliffs Inc. com 185899101 77 19500 SH SOLE 19500 0 0 Coherus Biosciences, Inc. com 19249H103 586 36100 SH SOLE 36100 0 0 Collegium Pharmaceutical, Inc. com 19459J104 885 54200 SH SOLE 54200 0 0 Computer Programs & Systems com 205306103 505 22700 SH SOLE 22700 0 0 Comtech Telecommunications CP com 205826209 348 26200 SH SOLE 26200 0 0 Crocs, Inc. com 227046109 788 46400 SH SOLE 46400 0 0 CyberArk Software com M2682V108 496 5800 SH SOLE 5800 0 0 Dana Inc. com 235825205 383 48980 SH SOLE 48980 0 0 Daqo New Energy Corp. com 23703Q203 463 8000 SH SOLE 8000 0 0 Deckers Outdoor Corp. com 243537107 2173 16220 SH SOLE 10250 0 5970 Digi International I com 253798102 576 60400 SH SOLE 60400 0 0 Digital Turbine, Inc. com 25400W102 698 162000 SH SOLE 162000 0 0 EPlus, Inc. com 294268107 238 3800 SH SOLE 3800 0 0 Ehealth, Inc. com 28238P109 7273 51651 SH SOLE 37361 0 14290 Endava Plc Ads com 29260V105 19018 540900 SH SOLE 414000 0 126900 Ensign Group, Inc. com 29358p101 963 25600 SH SOLE 25600 0 0 Entercom Communication com 293639100 35 20700 SH SOLE 20700 0 0 Enterprise Finl Svcs com 293712105 796 28520 SH SOLE 23550 0 4970 EverQuote, Inc. com 30041R108 585 22300 SH SOLE 22300 0 0 Farmers National Banc Corp. com 309627107 222 19100 SH SOLE 19100 0 0 Faro Technologies, Inc. com 311642102 872 19600 SH SOLE 19600 0 0 Federal Signal Corp. com 313855108 857 31410 SH SOLE 31410 0 0 First Foundation Inc. com 32026V104 269 26300 SH SOLE 26300 0 0 Fitbit, Inc. com 33812L102 161 24100 SH SOLE 24100 0 0 Fulton Financial Corp. com 360271100 461 40100 SH SOLE 40100 0 0 GDS Holdings Ltd. 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Inc. com 78377t107 550 15350 SH SOLE 15350 0 0 Science Applications Int'l. 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