0001144204-18-044382.txt : 20180814 0001144204-18-044382.hdr.sgml : 20180814 20180814114739 ACCESSION NUMBER: 0001144204-18-044382 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20180630 FILED AS OF DATE: 20180814 DATE AS OF CHANGE: 20180814 EFFECTIVENESS DATE: 20180814 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: 181015477 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 06-30-2018 06-30-2018 false OBERWEIS ASSET MANAGEMENT INC/
3333 Warrenville Road Suite 500 Lisle IL 60532
13F HOLDINGS REPORT 028-04688 N
Patrick B. Joyce Executive Vice President 800-323-6166 /s/ Patrick B. Joyce Lisle IL 08-14-2018 0 220 397887
INFORMATION TABLE 2 infotable.xml 51Job Inc. ADR com 316827104 1465 15000 SH SOLE 15000 0 0 58.com Inc Spon ADR com 31680Q104 1595 23000 SH SOLE 23000 0 0 AMC Entertainment Holdings, In com 00165c104 836 52583 SH SOLE 50965 0 1618 Adesto Technologies Corp. com 00687D101 1958 233100 SH SOLE 233100 0 0 Agco Corp com 001084102 500 8230 SH SOLE 8230 0 0 Alibaba ADR com 01609W102 6782 36555 SH SOLE 34130 0 2425 Alliance One International, In com 018772301 575 36300 SH SOLE 36300 0 0 Allied Motion Technologies com 019330109 1149 24000 SH SOLE 24000 0 0 Ameresco, Inc. com 02361E108 1246 103808 SH SOLE 103808 0 0 American Power Corp com 02906t107 0 10000 SH SOLE 0 0 10000 American States Water Co. com 029899101 548 9590 SH SOLE 9590 0 0 Amgen, Inc. com 031162100 291 1577 SH SOLE 0 0 1577 Apogee Enterprises com 037598109 332 6900 SH SOLE 6900 0 0 Apple, Inc. com 037833100 513 2772 SH SOLE 60 0 2712 Arena Pharmaceuticals, Inc. com 040047607 288 6600 SH SOLE 6600 0 0 Associated Banc-Corp com 045487105 1232 45140 SH SOLE 45140 0 0 Asure Software, Inc. com 04649U102 810 50800 SH SOLE 50800 0 0 At Home Group, Inc. com 04650Y100 6623 169165 SH SOLE 28410 0 140755 Atlas Air Worldwide Hldgs Inc com 049164205 975 13600 SH SOLE 13600 0 0 Atricure, Inc. com 04963C209 6138 226919 SH SOLE 74900 0 152019 Autohome, Inc. ADR com 05278c107 1111 11000 SH SOLE 11000 0 0 Avatar Ventures com 05350B100 0 10000 SH SOLE 0 0 10000 B&G Foods, Inc. com 05508R106 329 11000 SH SOLE 11000 0 0 BJ's Restaurants, Inc. com 09180C106 792 13202 SH SOLE 13202 0 0 Baidu Inc. Spon ADR com 056752108 549 2260 SH SOLE 2000 0 260 Bandwidth, Inc. com 05988J103 1075 28300 SH SOLE 28300 0 0 Bank of New York Mellon Corp. com 064058100 261 4834 SH SOLE 0 0 4834 Baozun Inc. Spon ADR com 06684L103 2494 45600 SH SOLE 45600 0 0 Bemis Inc. com 081437105 428 10150 SH SOLE 10150 0 0 Benchmark Electronics Inc com 08160H101 255 8740 SH SOLE 8740 0 0 Big Lots Inc. com 089302103 468 11200 SH SOLE 11200 0 0 Blucora, Inc. com 095229100 7756 209614 SH SOLE 77500 0 132114 Boston Private Finl Hldgs com 101119105 822 51700 SH SOLE 51700 0 0 Brightcove, Inc. com 10921T101 917 95000 SH SOLE 95000 0 0 Bristow Group, Inc. com 110394103 474 33620 SH SOLE 33620 0 0 Bruker Corporation com 116794108 657 22630 SH SOLE 22630 0 0 Burlington Stores, Inc. com 122017106 10909 72470 SH SOLE 14690 0 57780 CACI International, Inc. com 127190304 533 3160 SH SOLE 3160 0 0 CNO Financial Group, Inc. com 12621E103 648 34030 SH SOLE 34030 0 0 CNX Resources Corporation com 12653C108 823 46296 SH SOLE 46296 0 0 CPI Aerostructures, Inc. com 125919308 330 31400 SH SOLE 31400 0 0 Callon Petroleum Corp. com 13123X102 1974 183827 SH SOLE 6050 0 177777 Camtek, Ltd. com m20791105 814 110800 SH SOLE 110800 0 0 Carbonite, Inc. com 141337105 9256 265224 SH SOLE 78320 0 186904 Care Com, Inc. com 141633107 8161 390839 SH SOLE 166490 0 224349 Career Education Corp. com 141665109 3556 219913 SH SOLE 219913 0 0 Carpenter Technology Corp. com 144285103 678 12900 SH SOLE 12900 0 0 Cars Com Inc. com 14575E105 250 8800 SH SOLE 8800 0 0 Centerstate Bank Corp. com 15201P109 4522 151629 SH SOLE 26080 0 125549 Central Garden & Pet Co. com 153527106 6601 151810 SH SOLE 49800 0 102010 Central Pacific Financial Corp com 154760409 954 33300 SH SOLE 33300 0 0 Century Communities, Inc. com 156504300 1259 39900 SH SOLE 39900 0 0 Cheesecake Factory, Inc. com 163072101 736 13370 SH SOLE 13370 0 0 Children's Place com 168905107 855 7074 SH SOLE 1080 0 5994 Citi Trends, Inc. com 17306X102 631 23000 SH SOLE 23000 0 0 Columbus McKinnon Corp. NY com 199333105 5827 134382 SH SOLE 38325 0 96057 Comtech Telecommunications CP com 205826209 1964 61600 SH SOLE 61600 0 0 Control 4 Corp com 21240D107 6814 280315 SH SOLE 100880 0 179435 Corelogic Inc. com 21871D103 614 11830 SH SOLE 11830 0 0 Cousins Properties com 222795106 504 51968 SH SOLE 51968 0 0 Craft Brew Alliance, Inc. com 224122101 620 30000 SH SOLE 30000 0 0 Crocs, Inc. com 227046109 882 50100 SH SOLE 50100 0 0 Curo Group Hldgs Corp. com 23131L107 6828 273660 SH SOLE 100770 0 172890 DMC Global, Inc. com 23291C103 7158 159431 SH SOLE 152731 0 6700 Dana Inc. com 235825205 496 24580 SH SOLE 24580 0 0 Datawatch Corp. com 237917208 1434 150998 SH SOLE 141948 0 9050 Diamondback Energy Inc. com 25278X109 5529 42026 SH SOLE 13310 0 28716 Dynex Capital, Inc. com 26817q506 324 49680 SH SOLE 49680 0 0 EZCorp, Inc. com 302301106 130 10800 SH SOLE 10800 0 0 Eagle Bancorp, Inc. com 268948106 565 9214 SH SOLE 610 0 8604 Eldorado Resorts, Inc. com 28470R102 4067 104013 SH SOLE 27420 0 76593 Electro Scientific Industries com 285229100 446 28300 SH SOLE 28300 0 0 Enova Intl, Inc. com 29357K103 1813 49610 SH SOLE 49610 0 0 Ensign Group, Inc. com 29358p101 762 21260 SH SOLE 21260 0 0 Enterprise Finl Svcs com 293712105 950 17600 SH SOLE 17600 0 0 Express Inc com 30219E103 296 32310 SH SOLE 32310 0 0 Federal Signal Corp. com 313855108 429 18410 SH SOLE 18410 0 0 Ferro Corp. com 315405100 626 30000 SH SOLE 30000 0 0 Fireeye,Inc. com 31816Q101 226 14710 SH SOLE 8300 0 6410 First Commonwealth Financial C com 319829107 597 38500 SH SOLE 38500 0 0 Flowers Foods, Inc. com 343498101 323 15510 SH SOLE 15510 0 0 Fti Consulting Inc. com 302941109 301 4970 SH SOLE 4970 0 0 GEO Group, Inc. com 36162j106 292 10600 SH SOLE 10600 0 0 Green Dot Corp. Cl A com 39304D102 6087 82935 SH SOLE 13060 0 69875 Gulfport Energy Corp. com 402635304 627 49900 SH SOLE 49900 0 0 H&E Equipment Services, Inc. com 404030108 1117 29700 SH SOLE 29700 0 0 Haemonetics Corp. com 405024100 3087 34420 SH SOLE 2175 0 32245 Hancock Whitney Corp. com 410120109 545 11690 SH SOLE 11690 0 0 Harsco Corp. com 415864107 1960 88700 SH SOLE 88700 0 0 Hawaiian Holdings, Inc. com 419879101 499 13870 SH SOLE 13870 0 0 Heritage Ins Hldgs, Inc. com 42727J102 621 37240 SH SOLE 37240 0 0 Hersha Hospitality Trust com 427825500 1393 64920 SH SOLE 64920 0 0 Huazhu Group Ltd ADR com 44332N106 2603 62000 SH SOLE 62000 0 0 Hurco Companies, Inc. com 447324104 985 22000 SH SOLE 22000 0 0 Hyster-Yale Materials com 449172105 360 5600 SH SOLE 5600 0 0 Inogen, Inc. com 45780L104 5436 29175 SH SOLE 1070 0 28105 Insmed Incorporated com 457669307 251 10600 SH SOLE 10600 0 0 Intel Corporation com 458140100 404 8125 SH SOLE 0 0 8125 Intersect Ent Inc com 46071F103 4200 112140 SH SOLE 34010 0 78130 Intricon Corp. com 46121H109 459 11400 SH SOLE 11400 0 0 Ion Geophysical Corp com 462044207 946 38925 SH SOLE 38925 0 0 JP Morgan Chase & Company Inc. com 46625H100 507 4865 SH SOLE 140 0 4725 Johnson & Johnson com 478160104 303 2495 SH SOLE 0 0 2495 Juniper Pharmaceuticals, Inc. com 48203L107 813 93400 SH SOLE 93400 0 0 Kadant Inc. com 48282T104 942 9800 SH SOLE 9800 0 0 Kaiser Aluminum Corp. com 483007704 429 4120 SH SOLE 4120 0 0 Koppers Holdings, Inc. com 50060p106 548 14300 SH SOLE 14300 0 0 Korn Ferry com 500643200 500 8080 SH SOLE 8080 0 0 LHC Group, Inc. com 50187A107 9299 108643 SH SOLE 36290 0 72353 Legg Mason Inc. com 524901105 279 8037 SH SOLE 8037 0 0 Life Storage Inc. com 53223x107 634 6520 SH SOLE 6520 0 0 Ligand Pharmaceuticals com 53220K504 10178 49127 SH SOLE 10835 0 38292 Limelight Networks, Inc. com 53261M104 4998 1118080 SH SOLE 490200 0 627880 Logmein, Inc. com 54142L109 9201 89118 SH SOLE 23365 0 65753 MCBC Holdings Inc com 55276F107 1193 41200 SH SOLE 41200 0 0 Malibu Boats, Inc. com 56117J100 4408 105100 SH SOLE 51010 0 54090 Manitex International, Inc. com 563420108 1571 125900 SH SOLE 125900 0 0 Marinemax, Inc. com 567908108 1514 79900 SH SOLE 79900 0 0 Mastec, Inc. com 576323109 814 16040 SH SOLE 16040 0 0 Mastercard, Inc. com 57636Q104 377 1920 SH SOLE 0 0 1920 Matson, Inc. com 57686g105 2063 53759 SH SOLE 53359 0 400 Mellanox Technologies Ltd. com M51363113 6360 75440 SH SOLE 14450 0 60990 Methode Electronics, Inc. com 591520200 309 7666 SH SOLE 7666 0 0 Microsoft Corp. com 594918104 377 3820 SH SOLE 0 0 3820 Mobileiron, Inc. com 60739U204 1326 297962 SH SOLE 260900 0 37062 Momo, Inc. ADR com 60879B107 1772 40730 SH SOLE 40000 0 730 Monolithic Pwr Sys com 609839105 8350 62469 SH SOLE 14237 0 48232 Morningstar com 617700109 573 4470 SH SOLE 4470 0 0 Movado Group, Inc. com 624580106 7423 153695 SH SOLE 51455 0 102240 Murphy USA, Inc. com 626755102 438 5900 SH SOLE 5900 0 0 Myriad Genetics Inc. com 62855J104 229 6130 SH SOLE 6130 0 0 National Health Investors, Inc com 63633d104 371 5040 SH SOLE 5040 0 0 Nci Building Systems, Inc. com 628852204 370 17640 SH SOLE 17640 0 0 Netgear, Inc. com 64111Q104 301 4810 SH SOLE 4810 0 0 New Jersey Res Corp. com 646025106 887 19830 SH SOLE 19830 0 0 New Oriental Education ADR com 647581107 3065 32380 SH SOLE 32000 0 380 Newmont Mining com 651639106 236 6247 SH SOLE 400 0 5847 Oil States Intl com 678026105 756 23550 SH SOLE 23550 0 0 Old National Bancorp com 680033107 1473 79215 SH SOLE 79215 0 0 One Stop Systems com 68247W109 209 50000 SH SOLE 50000 0 0 OneSpan, Inc. com 68287N100 833 42400 SH SOLE 42400 0 0 Oritani Financial Corp. com 68633D103 828 51120 SH SOLE 51120 0 0 Oshkosh Corp. com 688239201 8174 116236 SH SOLE 39940 0 76296 Pacific Premier Bancorp, Inc. com 69478X105 5694 149258 SH SOLE 40820 0 108438 Papa John's International Inc. com 698813102 644 12700 SH SOLE 12700 0 0 Patrick Industries, Inc. com 703343103 4772 83942 SH SOLE 24485 0 59457 Penske Automotive Group, Inc. com 70959W103 259 5520 SH SOLE 5520 0 0 Physicians Realty Trust com 71943u104 863 54131 SH SOLE 54131 0 0 Plexus Corp. com 729132100 470 7900 SH SOLE 7900 0 0 Portland General Electric Co. com 736508847 1199 28050 SH SOLE 28050 0 0 ProAssurance Corp. com 74267c106 728 20538 SH SOLE 20538 0 0 Progenics Pharamaceutical, Inc com 743187106 137 17100 SH SOLE 17100 0 0 Quality Systems, Inc. com 747582104 1459 74800 SH SOLE 74800 0 0 Quantenna Communications Inc com 74766D100 1280 82400 SH SOLE 82400 0 0 Radian Group, Inc. com 750236101 595 36660 SH SOLE 36660 0 0 Rayonier Advanced Materials, I com 75508B104 724 42366 SH SOLE 42300 0 66 Realogy Hldgs Corp. com 75605Y106 242 10600 SH SOLE 10600 0 0 Regis Corp. Minn com 758932107 1308 79100 SH SOLE 79100 0 0 Rev Group, Inc. com 749527107 534 31417 SH SOLE 31417 0 0 Ring Energy, Inc. com 76680v108 987 78200 SH SOLE 78200 0 0 Rosetta Stone, Inc. com 777780107 1207 75300 SH SOLE 75300 0 0 Ryman Hospitality Pptys. Inc. com 78377t107 1226 14750 SH SOLE 14750 0 0 Science Applications Int'l. Co com 808625107 254 3135 SH SOLE 3135 0 0 Silicon Laboratories, Inc. com 826919102 2417 24272 SH SOLE 1700 0 22572 Simmons First National Corp. com 828730200 1170 39130 SH SOLE 39130 0 0 Skyline Champion Corp com 830830105 5332 152163 SH SOLE 56113 0 96050 Skywest Inc com 830879102 5153 99281 SH SOLE 28560 0 70721 Smart Global Hldgs, Inc. com G8232Y101 1147 36000 SH SOLE 36000 0 0 Southwest Gas Corp. com 844895102 841 11030 SH SOLE 11030 0 0 Spartan Motors, Inc. com 846819100 1515 100300 SH SOLE 100300 0 0 SpartanNash Co. com 847215100 624 24463 SH SOLE 24463 0 0 Spirit Airlines, Inc. com 848577102 254 7000 SH SOLE 7000 0 0 Sprott Physical Gold and Silve com 85208r101 139 11100 SH SOLE 0 0 11100 Staar Surgical Co. com 852312305 5705 184020 SH SOLE 44540 0 139480 State Bank Financial Corp com 856190103 939 28100 SH SOLE 28100 0 0 Stein Mart, Inc. com 858375108 1225 500000 SH SOLE 500000 0 0 Sterling Construction Co., Inc com 859241101 1059 81250 SH SOLE 77000 0 4250 Stifel Financial Corp. com 860630102 524 10020 SH SOLE 10020 0 0 Stoneridge, Inc. com 86183P102 1497 42600 SH SOLE 42600 0 0 Superior Energy Svcs com 868157108 944 96922 SH SOLE 96922 0 0 Synaptics, Inc. com 87157D109 740 14700 SH SOLE 14700 0 0 Tactile Sys Technology, Inc. com 87357P100 1154 22200 SH SOLE 22200 0 0 Tal Education Group ADR com 874080104 4524 122938 SH SOLE 104727 0 18211 Tanger Factory Outlet com 875465106 616 26210 SH SOLE 26210 0 0 Terex Corp. com 880779103 1473 34907 SH SOLE 34627 0 280 Tetra Tech, Inc. com 88162g103 651 11130 SH SOLE 11130 0 0 The Travelers Co., Inc. com 89417E109 351 2870 SH SOLE 0 0 2870 Timken Company com 887389104 679 15590 SH SOLE 15590 0 0 Tital Oil & Gas, Inc. com 888309101 0 10000 SH SOLE 0 0 10000 Titan Int'l Inc. com 88830M102 1094 102000 SH SOLE 102000 0 0 Tivo corp. com 88870P106 1694 125958 SH SOLE 125958 0 0 Tower International, Inc. com 891826109 502 15780 SH SOLE 15780 0 0 Trex Company, Inc. com 89531P105 5907 94380 SH SOLE 16720 0 77660 Triumph Group, Inc. com 896818101 1440 73450 SH SOLE 73450 0 0 Twin Disc, Inc. com 901476101 1154 46500 SH SOLE 46500 0 0 USA Technologies Inc com 90328S500 1806 129000 SH SOLE 129000 0 0 Unifi Inc. com 904677200 548 17290 SH SOLE 17290 0 0 Upland Software, Inc. com 91544A109 962 28000 SH SOLE 28000 0 0 Varonis Sys, Inc. com 922280102 7533 101119 SH SOLE 40270 0 60849 Vericel Corp. com 92346J108 1305 134500 SH SOLE 134500 0 0 Verint Sys Inc. com 92343x100 831 18730 SH SOLE 18730 0 0 Vicor Corp. com 925815102 6608 151730 SH SOLE 52870 0 98860 Vishay Intertechnology com 928298108 1544 66550 SH SOLE 66550 0 0 Vishay Precision Group com 92835K103 1167 30600 SH SOLE 30600 0 0 Visteon Corp. com 92839U206 2906 22484 SH SOLE 950 0 21534 Vocera Communications, Inc. com 92857F107 1025 34300 SH SOLE 34300 0 0 Wabash National Corp. com 929566107 722 38700 SH SOLE 38700 0 0 Wal Mart Stores Inc. com 931142103 217 2533 SH SOLE 0 0 2533 Walker & Dunlop, Inc. com 93148P102 350 6286 SH SOLE 6286 0 0 Weis Mkts, Inc. com 948849104 486 9120 SH SOLE 9120 0 0 Williams-Sonoma, Inc. com 969904101 1635 26630 SH SOLE 26630 0 0 Winnebago Industries, Inc. com 974637100 1056 26000 SH SOLE 26000 0 0 Wolverine World Wide com 978097103 1184 34045 SH SOLE 34045 0 0 Worthington Inds. Inc. com 981811102 400 9540 SH SOLE 9540 0 0 Xenacare Hldgs, Inc. com 98401A106 0 140000 SH SOLE 0 0 140000 Xencor, Inc. com 98401F105 300 8100 SH SOLE 8100 0 0 Xenia Hotels & Resorts, Inc. com 984017103 852 34960 SH SOLE 34960 0 0 YY ADR com 98426T106 603 6000 SH SOLE 6000 0 0 SPDR S&P 500 ETF Trust com 78462F103 3061 11284 SH SOLE 7600 0 3684 iShares MSCI India Small-Cap E com 46429B614 378 9000 SH SOLE 9000 0 0