0001144204-17-027147.txt : 20170515 0001144204-17-027147.hdr.sgml : 20170515 20170515103601 ACCESSION NUMBER: 0001144204-17-027147 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20170331 FILED AS OF DATE: 20170515 DATE AS OF CHANGE: 20170515 EFFECTIVENESS DATE: 20170515 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: 17841982 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 03-31-2017 03-31-2017 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 05-15-2017 0 139 339338 INFORMATION TABLE 2 infotable.xml AMN Healthcare Svcs com 001744101 6362 156690 SH SOLE 49450 0 107240 Abiomed Inc. com 003654100 4192 33480 SH SOLE 4050 0 29430 Addus Homecare Corp. com 006739106 890 27800 SH SOLE 27800 0 0 Alibaba ADR com 01609W102 4020 37285 SH SOLE 34130 0 3155 Almost Family, Inc. com 020409108 972 20000 SH SOLE 20000 0 0 American Xtal Technology com 00246W103 1580 272330 SH SOLE 265000 0 7330 Amgen, Inc. com 031162100 382 2327 SH SOLE 0 0 2327 Apple, Inc. com 037833100 438 3046 SH SOLE 140 0 2906 Applied Optoelectronics Inc. com 03823U102 7530 134110 SH SOLE 72350 0 61760 Asure Software, Inc. com 04649U102 650 63230 SH SOLE 60000 0 3230 Axogen Inc. com 05463X106 219 21000 SH SOLE 21000 0 0 Bank of New York Mellon Corp. com 064058100 234 4949 SH SOLE 0 0 4949 Biocryst Pharmaceuticals, Inc. com 09058V103 144 17100 SH SOLE 17100 0 0 Biotelemetry, Inc. com 090672106 1245 43000 SH SOLE 43000 0 0 Blueprint Medicines Corp. com 09627Y109 264 6600 SH SOLE 6600 0 0 Brightcove, Inc. com 10921T101 354 39800 SH SOLE 39800 0 0 Broadsoft, Inc. com 11133B409 5093 126680 SH SOLE 39940 0 86740 Burlington Stores, Inc. com 122017106 3446 35420 SH SOLE 2280 0 33140 CTRIP Com Int'l Ltd ADR com 22943F100 2949 60000 SH SOLE 60000 0 0 Callidus Software Inc. com 13123E500 6260 293199 SH SOLE 59090 0 234109 Callon Petroleum Corp. com 13123X102 4025 305860 SH SOLE 103610 0 202250 Cambrex Corp com 132011107 6043 109765 SH SOLE 36100 0 73665 Carbonite, Inc. com 141337105 5690 280320 SH SOLE 100110 0 180210 Cavium, Inc. com 14964U108 4444 62010 SH SOLE 3000 0 59010 Centerstate Banks, Inc. com 15201P109 3038 117300 SH SOLE 22020 0 95280 Central Garden & Pet Co. com 153527106 1008 27200 SH SOLE 27200 0 0 Century Communities, Inc. com 156504300 1082 42600 SH SOLE 42600 0 0 Ceragon Networks ADR com M22013102 595 182000 SH SOLE 182000 0 0 Ceva Inc. com 157210105 9330 262825 SH SOLE 87380 0 175445 Children's Place com 168905107 5531 46070 SH SOLE 6470 0 39600 China Biologic Products com 16938C106 3543 35385 SH SOLE 12340 0 23045 China Lodging Group-Spon ADS com 16949N109 1551 25000 SH SOLE 25000 0 0 Coherent, Inc com 192479103 216 1051 SH SOLE 1051 0 0 Control 4 Corp com 21240D107 1154 73100 SH SOLE 73100 0 0 Cooper Std Hldgs Inc. com 21676P103 5570 50211 SH SOLE 18300 0 31911 Cross Country com 227483104 617 43000 SH SOLE 43000 0 0 Customers Bancorp, Inc. com 23204G100 1179 37400 SH SOLE 37400 0 0 Cutera Inc com 232109108 1008 48700 SH SOLE 48700 0 0 Cyber-Ark Software com M2682V108 6529 128350 SH SOLE 39300 0 89050 Cyberoptics Corp. com 232517102 766 29509 SH SOLE 29509 0 0 Del Taco Restaurants Inc. com 245496104 1990 150100 SH SOLE 150100 0 0 Dexcom com 252131107 1744 20580 SH SOLE 15360 0 5220 Diamondback Energy Inc. com 25278X109 5597 53970 SH SOLE 13050 0 40920 Eagle Bancorp, Inc. com 268948106 7396 123878 SH SOLE 22440 0 101438 Earthstone Energy Inc. com 27032D205 969 75953 SH SOLE 75953 0 0 Eldorado Resorts, Inc. com 28470R102 2951 155930 SH SOLE 34790 0 121140 Emcore Corp. com 290846203 1088 120900 SH SOLE 120900 0 0 Exar Corp. com 300645108 1237 95100 SH SOLE 95100 0 0 Exfo Inc. com 302046107 363 69800 SH SOLE 69800 0 0 Extreme Networks, Inc. com 30226D106 1510 201050 SH SOLE 192100 0 8950 First Internet Bancorp com 320557101 949 32180 SH SOLE 31100 0 1080 Franklin Finl Network, Inc. com 35352P104 1228 31700 SH SOLE 31700 0 0 Gibraltar Inds com 374689107 1017 24690 SH SOLE 24690 0 0 Glaukos Corp com 377322102 9661 188330 SH SOLE 71750 0 116580 Groupon, Inc. com 399473107 186 47390 SH SOLE 32000 0 15390 Hackett Group, Inc. com 404609109 717 36800 SH SOLE 36800 0 0 HealthEquity Inc. com 42226A107 2983 70270 SH SOLE 14840 0 55430 Heritage Crystal Clean, Inc. com 42726M106 271 19800 SH SOLE 19800 0 0 Heska Corp Com Restrc New com 42805E306 5826 55499 SH SOLE 21544 0 33955 Hudson Technologies com 444144109 1179 178700 SH SOLE 178700 0 0 INPHI Corp. com 45772F107 13659 279775 SH SOLE 95710 0 184065 Ikang Healthcare Group, Inc. A com 45174l108 3717 254600 SH SOLE 254600 0 0 Inogen, Inc. com 45780L104 7982 102910 SH SOLE 13910 0 89000 Intel Corporation com 458140100 293 8123 SH SOLE 510 0 7613 Iridex Corp. com 462684101 393 33112 SH SOLE 33112 0 0 Itron Inc com 465741106 6169 101625 SH SOLE 21630 0 79995 JP Morgan Chase & Company Inc. com 46625H100 447 5094 SH SOLE 140 0 4954 Jive Software, Inc. com 47760A108 495 115000 SH SOLE 115000 0 0 Johnson & Johnson com 478160104 323 2592 SH SOLE 0 0 2592 KForce com 493732101 344 14500 SH SOLE 14500 0 0 Kimberly Clark Corp. com 494368103 239 1813 SH SOLE 0 0 1813 LHC Group, Inc. com 50187A107 1649 30600 SH SOLE 30600 0 0 Ligand Pharmaceuticals Cl B com 53220K504 5390 50922 SH SOLE 15260 0 35662 Logmein, Inc. com 54142L109 10264 105271 SH SOLE 25757 0 79514 Lumentum Hldgs, Inc. com 55024U109 227 4246 SH SOLE 4200 0 46 MCBC Holdings Inc com 55276F107 655 40500 SH SOLE 40500 0 0 Malibu Boats, Inc. com 56117J100 1057 47100 SH SOLE 47100 0 0 Manitex International, Inc. com 563420108 951 142000 SH SOLE 142000 0 0 Mastercard, Inc. com 57636Q104 242 2148 SH SOLE 0 0 2148 Maxlinear, Inc. Class A com 57776J100 7211 257070 SH SOLE 57200 0 199870 Microsoft Corp. com 594918104 356 5400 SH SOLE 0 0 5400 Momo, Inc. ADR com 60879B107 1533 45000 SH SOLE 45000 0 0 Monolithic Pwr Sys com 609839105 5990 65040 SH SOLE 13640 0 51400 NV5 Holdings Inc com 62945V109 786 20900 SH SOLE 20900 0 0 Navigant Consulting Company com 63935n107 679 29700 SH SOLE 29700 0 0 Netease.Com, Inc. ADR com 64110W102 1900 6690 SH SOLE 6200 0 490 New Oriental Education ADR com 647581107 3713 61500 SH SOLE 61500 0 0 Newmont Mining com 651639106 226 6855 SH SOLE 400 0 6455 Nutrisystem Inc com 67069D108 1449 26100 SH SOLE 26100 0 0 Nuvasive com 670704105 3872 51850 SH SOLE 1670 0 50180 Oclaro, Inc. com 67555N206 1118 113800 SH SOLE 113800 0 0 Orasure Technologies com 68554V108 1028 79500 SH SOLE 79500 0 0 Oshkosh Corp. com 688239201 3647 53165 SH SOLE 2405 0 50760 Osi Systems, Inc. com 671044105 898 12300 SH SOLE 12300 0 0 PCM, Inc. com 69323K100 527 18800 SH SOLE 18800 0 0 Pacific Premier Bancorp, Inc. com 69478X105 3476 90180 SH SOLE 27950 0 62230 Patrick Industries, Inc. com 703343103 5495 77510 SH SOLE 23650 0 53860 Perceptron Inc. com 71361F100 292 35000 SH SOLE 35000 0 0 Privatebancorp, Inc. com 742962103 561 9450 SH SOLE 3540 0 5910 Psychemedics Corp. com 744375205 501 25000 SH SOLE 25000 0 0 QCR Holdings Inc. com 74727A104 500 11800 SH SOLE 11800 0 0 Radiant Logistics, Inc. com 75025x100 258 51600 SH SOLE 51600 0 0 Ring Energy, Inc. com 76680v108 1047 96800 SH SOLE 89400 0 7400 Semtech Corp. com 816850101 2346 69400 SH SOLE 19400 0 50000 Shiloh Inds, Inc. com 824543102 312 22855 SH SOLE 22855 0 0 Shopify, Inc. com 82509L107 9458 138899 SH SOLE 116899 0 22000 Sina Corp. ADR com G81477104 1659 23000 SH SOLE 23000 0 0 Skywest Inc com 830879102 1099 32100 SH SOLE 32100 0 0 Spartan Motors, Inc. com 846819100 1088 136000 SH SOLE 136000 0 0 Sucampo Pharmaceuticals com 864909106 470 42770 SH SOLE 42400 0 370 Super Micro Computer Inc. com 86800U104 895 35300 SH SOLE 35300 0 0 Superior Industries Intl. Inc. com 868168105 887 35000 SH SOLE 35000 0 0 Tal Education Group ADR com 874080104 10900 102280 SH SOLE 54290 0 47990 Tenneco, Inc. com 880349105 3812 61070 SH SOLE 13390 0 47680 The Meet Group com 58513u101 353 60000 SH SOLE 60000 0 0 The Travelers Co., Inc. com 89417E109 410 3405 SH SOLE 0 0 3405 Tivity Health Inc com 88870R102 1176 40400 SH SOLE 40400 0 0 Trex Company, Inc. com 89531P105 250 3600 SH SOLE 3600 0 0 Ultra Clean Holdings com 90385V107 1343 79600 SH SOLE 79600 0 0 Unisys Corp. com 909214306 611 43800 SH SOLE 43800 0 0 VCA, Inc. com 918194101 2491 27225 SH SOLE 5500 0 21725 VSE Corp. com 918284100 245 6000 SH SOLE 6000 0 0 Vanda Pharmaceuticals, Inc. com 921659108 148 10600 SH SOLE 10600 0 0 Varonis Sys, Inc. com 922280102 840 26400 SH SOLE 26400 0 0 Verizon Communications com 92343V104 231 4746 SH SOLE 180 0 4566 Visteon Corp. com 92839U206 3301 33700 SH SOLE 1850 0 31850 Vocera Communications, Inc. com 92857F107 690 27800 SH SOLE 27800 0 0 Wal Mart Stores Inc. com 931142103 207 2867 SH SOLE 140 0 2727 Walker & Dunlop, Inc. com 93148P102 484 11600 SH SOLE 11600 0 0 Weibo Corp. Spon ADR com 948596101 1404 26900 SH SOLE 26900 0 0 Wells Fargo & Co. com 949746101 207 3719 SH SOLE 0 0 3719 Willdan Group Inc. com 96924N100 353 10957 SH SOLE 10957 0 0 Wix Com Ltd com M98068105 27363 402992 SH SOLE 338692 0 64300 Xenacare Hldgs, Inc. com 98401A106 0 140000 SH SOLE 0 0 140000 Xencor, Inc. com 98401F105 242 10100 SH SOLE 10100 0 0 Yum China Hldgs, Inc. ADR com 98850P109 551 20270 SH SOLE 20000 0 270 ZTO Express ADR com 98980A105 570 43550 SH SOLE 37350 0 6200 Zumiez Inc. com 989817101 587 32100 SH SOLE 32100 0 0 SPDR S&P 500 ETF Trust com 78462F103 1791 7600 SH SOLE 7600 0 0