0001144204-17-042904.txt : 20170814 0001144204-17-042904.hdr.sgml : 20170814 20170814122634 ACCESSION NUMBER: 0001144204-17-042904 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20170630 FILED AS OF DATE: 20170814 DATE AS OF CHANGE: 20170814 EFFECTIVENESS DATE: 20170814 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: 171028626 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 06-30-2017 06-30-2017 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 08-14-2017 0 142 364376 INFORMATION TABLE 2 infotable.xml AMN Healthcare Svcs com 001744101 4717 120790 SH SOLE 28150 0 92640 AXT Inc com 00246W103 1734 273130 SH SOLE 265000 0 8130 Addus Homecare Corp. com 006739106 1220 32800 SH SOLE 32800 0 0 Alibaba ADR com 01609W102 5270 37405 SH SOLE 34130 0 3275 Almost Family, Inc. com 020409108 1227 19900 SH SOLE 19900 0 0 American Power Corp com 02906t107 0 10000 SH SOLE 0 0 10000 Amgen, Inc. com 031162100 349 2027 SH SOLE 0 0 2027 Apple, Inc. com 037833100 529 3671 SH SOLE 140 0 3531 Applied Optoelectronics Inc. com 03823U102 15192 245860 SH SOLE 107500 0 138360 Asure Software, Inc. com 04649U102 1110 76000 SH SOLE 76000 0 0 Avatar Ventures com 05350B100 0 10000 SH SOLE 0 0 10000 Axogen Inc. com 05463X106 266 15900 SH SOLE 15900 0 0 Bank of New York Mellon Corp. com 064058100 249 4871 SH SOLE 0 0 4871 Biocryst Pharmaceuticals, Inc. com 09058V103 95 17100 SH SOLE 17100 0 0 Biotelemetry, Inc. com 090672106 860 25700 SH SOLE 25700 0 0 Bitauto com 091727107 575 20000 SH SOLE 20000 0 0 Blucora, Inc. com 095229100 1054 49700 SH SOLE 49700 0 0 Blueprint Medicines Corp. com 09627Y109 334 6600 SH SOLE 6600 0 0 Burlington Stores, Inc. com 122017106 3272 35565 SH SOLE 1680 0 33885 CPI Aerostructures, Inc. com 125919308 376 40000 SH SOLE 40000 0 0 CTRIP Com Int'l Ltd ADR com 22943F100 3057 56760 SH SOLE 56400 0 360 CVD Equipment Corp. com 126601103 221 20000 SH SOLE 20000 0 0 Cai International, Inc. com 12477X106 1038 44000 SH SOLE 44000 0 0 Callidus Software Inc. com 13123E500 5827 240789 SH SOLE 52990 0 187799 Callon Petroleum Corp. com 13123X102 3089 291160 SH SOLE 90210 0 200950 Cambrex Corp com 132011107 3364 56305 SH SOLE 17700 0 38605 Carbonite, Inc. com 141337105 6904 316720 SH SOLE 132910 0 183810 Care Com, Inc. com 141633107 1098 72700 SH SOLE 72700 0 0 Career Education Corp. com 141665109 1081 112600 SH SOLE 112600 0 0 Cavium, Inc. com 14964U108 5476 88140 SH SOLE 17400 0 70740 Centerstate Banks, Inc. com 15201P109 5468 219960 SH SOLE 59700 0 160260 Central FD CDA CL A com 153501101 145 11800 SH SOLE 0 0 11800 Central Garden & Pet Co. com 153527106 763 24000 SH SOLE 24000 0 0 Century Communities, Inc. com 156504300 1091 44000 SH SOLE 44000 0 0 Ceva Inc. com 157210105 11464 252225 SH SOLE 74480 0 177745 Children's Place com 168905107 5004 49015 SH SOLE 6970 0 42045 China Biologic Products com 16938C106 339 3000 SH SOLE 3000 0 0 China Lodging Group-Spon ADS com 16949N109 2017 25000 SH SOLE 25000 0 0 Coherent, Inc com 192479103 682 3031 SH SOLE 2951 0 80 Control 4 Corp com 21240D107 582 29700 SH SOLE 29700 0 0 Cooper Std Hldgs Inc. com 21676P103 5050 50061 SH SOLE 18300 0 31761 Craft Brew Alliance, Inc. com 224122101 969 57500 SH SOLE 57500 0 0 Customers Bancorp, Inc. com 23204G100 1307 46200 SH SOLE 46200 0 0 Cutera Inc com 232109108 1409 54400 SH SOLE 54400 0 0 Cyber-Ark Software com M2682V108 6416 128450 SH SOLE 37300 0 91150 DXP Enterprises, Inc. com 233377407 828 24000 SH SOLE 24000 0 0 Del Taco Restaurants Inc. com 245496104 479 34800 SH SOLE 34800 0 0 Diamondback Energy Inc. com 25278X109 4776 53775 SH SOLE 12450 0 41325 Eagle Bancorp, Inc. com 268948106 7855 124098 SH SOLE 22940 0 101158 Earthstone Energy Inc. com 27032D304 760 75953 SH SOLE 75953 0 0 Eldorado Resorts, Inc. com 28470R102 2855 142730 SH SOLE 21090 0 121640 Emcore Corp. com 290846203 1224 114900 SH SOLE 114900 0 0 Enterprise Finl Svcs com 293712105 1159 28400 SH SOLE 28400 0 0 Exfo Inc. com 302046107 233 49600 SH SOLE 49600 0 0 Extreme Networks, Inc. com 30226D106 2934 318230 SH SOLE 272600 0 45630 Ferro Corp. com 315405100 1048 57300 SH SOLE 57300 0 0 Fireeye,Inc. com 31816Q101 199 13060 SH SOLE 9100 0 3960 First Internet Bancorp com 320557101 927 33050 SH SOLE 31100 0 1950 Franklin Finl Network, Inc. com 35352P104 1353 32800 SH SOLE 32800 0 0 FreightCar America, Inc. com 357023100 1069 61500 SH SOLE 61500 0 0 Glaukos Corp com 377322102 8664 208930 SH SOLE 72450 0 136480 Harsco Corp. com 415864107 1222 75900 SH SOLE 75900 0 0 HealthEquity Inc. com 42226A107 3470 69640 SH SOLE 14840 0 54800 Hudson Technologies com 444144109 1791 212000 SH SOLE 212000 0 0 Hyster-Yale Materials com 449172105 2382 33907 SH SOLE 33907 0 0 INPHI Corp. com 45772F107 6784 197785 SH SOLE 67080 0 130705 Ikang Healthcare Group, Inc. A com 45174l108 1652 134600 SH SOLE 134600 0 0 Imperva Inc. com 45321L100 205 4280 SH SOLE 1900 0 2380 Independent Bancorp com 453838609 816 37500 SH SOLE 37500 0 0 Inogen, Inc. com 45780L104 6675 69950 SH SOLE 9910 0 60040 Intel Corporation com 458140100 327 9680 SH SOLE 510 0 9170 Itron Inc com 465741106 6323 93335 SH SOLE 13130 0 80205 JD.com com 47215P106 1579 40250 SH SOLE 40000 0 250 JP Morgan Chase & Company Inc. com 46625H100 492 5383 SH SOLE 140 0 5243 Johnson & Johnson com 478160104 359 2715 SH SOLE 0 0 2715 Kadant Inc. com 48282T104 978 13000 SH SOLE 13000 0 0 Kennametal, Inc. com 489170100 3379 90300 SH SOLE 22680 0 67620 LHC Group, Inc. com 50187A107 1914 28200 SH SOLE 28200 0 0 Lantheus Hldgs Inc. com 516544103 1243 70400 SH SOLE 70400 0 0 Lifetime Brands com 53222q103 650 35800 SH SOLE 35800 0 0 Ligand Pharmaceuticals com 53220K504 6003 49452 SH SOLE 13960 0 35492 Logmein, Inc. com 54142L109 11167 106862 SH SOLE 25361 0 81501 Lumentum Hldgs, Inc. com 55024U109 4416 77406 SH SOLE 18760 0 58646 MCBC Holdings Inc com 55276F107 500 25600 SH SOLE 25600 0 0 Malibu Boats, Inc. com 56117J100 1058 40900 SH SOLE 40900 0 0 Manitex International, Inc. com 563420108 991 142000 SH SOLE 142000 0 0 Mastercard, Inc. com 57636Q104 273 2249 SH SOLE 0 0 2249 Maxlinear, Inc. Class A com 57776J100 7180 257440 SH SOLE 57200 0 200240 Microsoft Corp. com 594918104 378 5490 SH SOLE 0 0 5490 Momo, Inc. ADR com 60879B107 2221 60100 SH SOLE 60100 0 0 Monolithic Pwr Sys com 609839105 6241 64742 SH SOLE 13642 0 51100 Monster Beverage Corp. com 61174X109 462 9300 SH SOLE 0 0 9300 Netease.Com, Inc. ADR com 64110W102 2071 6890 SH SOLE 6400 0 490 New Oriental Education ADR com 647581107 4305 61070 SH SOLE 60800 0 270 Newmont Mining com 651639106 202 6233 SH SOLE 400 0 5833 Nutrisystem Inc com 67069D108 963 18500 SH SOLE 18500 0 0 Nuvasive com 670704105 4019 52250 SH SOLE 2370 0 49880 Oclaro, Inc. com 67555N206 612 65500 SH SOLE 65500 0 0 Orasure Technologies com 68554V108 8284 479970 SH SOLE 154920 0 325050 Oshkosh Corp. com 688239201 3690 53568 SH SOLE 3108 0 50460 Osi Systems, Inc. com 671044105 1112 14800 SH SOLE 14800 0 0 PCM, Inc. com 69323K100 521 27809 SH SOLE 26709 0 1100 Pacific Premier Bancorp, Inc. com 69478X105 5381 145830 SH SOLE 45550 0 100280 Patrick Industries, Inc. com 703343103 6268 86040 SH SOLE 32250 0 53790 Perceptron Inc. com 71361F100 235 32300 SH SOLE 32300 0 0 Psychemedics Corp. com 744375205 424 17000 SH SOLE 17000 0 0 QCR Holdings Inc. com 74727A104 905 19100 SH SOLE 19100 0 0 Radiant Logistics, Inc. com 75025x100 455 84585 SH SOLE 84585 0 0 Rayonier Advanced Materials, I com 75508B104 589 37466 SH SOLE 37400 0 66 Ring Energy, Inc. com 76680v108 1369 105300 SH SOLE 101400 0 3900 Rosetta Stone, Inc. com 777780107 955 88600 SH SOLE 88600 0 0 Semtech Corp. com 816850101 4477 125240 SH SOLE 20320 0 104920 Shiloh Inds, Inc. com 824543102 417 35555 SH SOLE 35555 0 0 Sina Corp. ADR com G81477104 1661 19550 SH SOLE 19000 0 550 Skywest Inc com 830879102 1404 40000 SH SOLE 40000 0 0 Spartan Motors, Inc. com 846819100 1268 143300 SH SOLE 143300 0 0 Super Micro Computer Inc. com 86800U104 870 35300 SH SOLE 35300 0 0 Tactile Sys Technology, Inc. com 87357P100 4666 163250 SH SOLE 68430 0 94820 Tal Education Group ADR com 874080104 7936 64885 SH SOLE 35294 0 29590 Tenneco, Inc. com 880349105 4006 69266 SH SOLE 14195 0 55071 The Travelers Co., Inc. com 89417E109 418 3304 SH SOLE 0 0 3304 Tital Oil & Gas, Inc. com 888309101 0 10000 SH SOLE 0 0 10000 Tivity Health Inc com 88870R102 1490 37400 SH SOLE 37400 0 0 Tivo corp. com 88870P106 811 43500 SH SOLE 43500 0 0 Triumph Group, Inc. com 896818101 474 15000 SH SOLE 15000 0 0 Trivago N V Spon ADS com 89686D105 46602 1969639 SH SOLE 1664839 0 304800 United Financial Bancorp, Inc. com 910304104 1087 65100 SH SOLE 65100 0 0 Vanda Pharmaceuticals, Inc. com 921659108 173 10600 SH SOLE 10600 0 0 Varonis Sys, Inc. com 922280102 982 26400 SH SOLE 26400 0 0 Verizon Communications com 92343V104 226 5065 SH SOLE 180 0 4885 Visteon Corp. com 92839U206 3474 34040 SH SOLE 1550 0 32490 Vocera Communications, Inc. com 92857F107 645 24400 SH SOLE 24400 0 0 Wal Mart Stores Inc. com 931142103 221 2926 SH SOLE 140 0 2786 Walker & Dunlop, Inc. com 93148P102 513 10500 SH SOLE 10500 0 0 Weibo Corp. Spon ADR com 948596101 1974 29700 SH SOLE 29700 0 0 Willdan Group Inc. com 96924N100 252 8257 SH SOLE 8257 0 0 Xenacare Hldgs, Inc. com 98401A106 0 140000 SH SOLE 0 0 140000 Xencor, Inc. com 98401F105 213 10100 SH SOLE 10100 0 0 Yum China Hldgs, Inc. ADR com 98850P109 608 15430 SH SOLE 15000 0 430 ZTO Express ADR com 98980A105 802 57440 SH SOLE 52150 0 5290 Zix Corp. com 98974P100 569 100000 SH SOLE 100000 0 0 SPDR S&P 500 ETF Trust com 78462F103 1993 8243 SH SOLE 7600 0 643