0001144204-14-049879.txt : 20140814 0001144204-14-049879.hdr.sgml : 20140814 20140814125428 ACCESSION NUMBER: 0001144204-14-049879 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20140630 FILED AS OF DATE: 20140814 DATE AS OF CHANGE: 20140814 EFFECTIVENESS DATE: 20140814 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: 141041048 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 06-30-2014 06-30-2014 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 08-13-2014 0 138 405567 INFORMATION TABLE 2 infotable.xml 21Vianet Group, Inc. - ADR com 90138A103 14052 468869 SH SOLE 280800 0 188069 500.COM com 33829R100 10326 279090 SH SOLE 269800 0 9290 8X8 Inc. com 282914100 4750 587844 SH SOLE 176000 0 411844 Acadia Healthcare Co., Inc. com 00404A109 1015 22300 SH SOLE 22300 0 0 Alliance Fiber Optic Products com 018680306 862 47600 SH SOLE 47600 0 0 Ambarella, Inc. com G037AX101 2360 75700 SH SOLE 75700 0 0 Amgen, Inc. com 031162100 351 2969 SH SOLE 0 0 2969 Anika Therapeutics, Inc. com 035255108 1279 27600 SH SOLE 27600 0 0 Apple, Inc. com 037833100 328 3528 SH SOLE 0 0 3528 Astro-Med Inc. com 04638F108 269 19800 SH SOLE 19800 0 0 Astronics Corp. com 046433108 5157 91362 SH SOLE 36460 0 54902 Atricure, Inc. com 04963C209 665 36200 SH SOLE 36200 0 0 Attunity Ltd. com M15332121 708 91110 SH SOLE 87400 0 3710 AutoBytel com 05275n205 619 47200 SH SOLE 47200 0 0 BHP Billiton Ltd. ADR com 088606108 278 4058 SH SOLE 0 0 4058 Bank of New York Mellon Corp. com 064058100 256 6820 SH SOLE 0 0 6820 Bitauto com 091727107 4432 91000 SH SOLE 90000 0 1000 Bofi Holding, Inc. com 05566U108 8017 109113 SH SOLE 39076 0 70037 Bonanza Creek Energy, Inc. com 097793103 10521 183974 SH SOLE 48500 0 135474 Bridge Bancorp, Inc. com 108035106 926 38620 SH SOLE 36200 0 2420 Callidus Software Inc. com 13123E500 7532 630789 SH SOLE 236700 0 394089 Callon Petroleum Corp. com 13123X102 1384 118800 SH SOLE 118800 0 0 Canadian Solar, Inc. com 136635109 2452 78430 SH SOLE 75000 0 3430 Cardiovascular Systems, Inc. com 141619106 9042 290186 SH SOLE 99000 0 191186 Centerstate Banks, Inc. com 15201P109 666 59500 SH SOLE 59500 0 0 China Distance Educ Hldgs Ltd. com 16944W104 2641 157600 SH SOLE 150000 0 7600 China Ming Yang Wind Pow ADS com 16951c108 2058 600000 SH SOLE 600000 0 0 China Mobile Games & Entertain com 16952T100 9336 588262 SH SOLE 354600 0 233662 Chinacache International Spon com 16950M107 3988 255000 SH SOLE 250000 0 5000 Consumer Portfolio Services com 210502100 2961 388562 SH SOLE 370432 0 18130 Coupons.com, Inc. com 22265J102 350 13300 SH SOLE 13300 0 0 Dealertrack Technologies, Inc. com 242309102 1805 39820 SH SOLE 36200 0 3620 Dexcom com 252131107 206 5200 SH SOLE 5200 0 0 Diamondback Energy Inc. com 25278X109 1962 22100 SH SOLE 22100 0 0 Diodes, Inc. com 254543101 1300 44900 SH SOLE 44900 0 0 E-Commerce China Spon ADR com 26833A105 3037 227000 SH SOLE 220000 0 7000 Eagle Bancorp, Inc. com 268948106 6668 197578 SH SOLE 36080 0 161498 Ehealth, Inc. com 28238P109 1906 50200 SH SOLE 50200 0 0 Elecsys Corp. com 28473M100 551 45600 SH SOLE 45600 0 0 Emc Corporation com 268648102 235 8917 SH SOLE 0 0 8917 Envestnet, Inc. com 29404K106 2387 48792 SH SOLE 27000 0 21792 Evolution Petroleum Corp. com 30049A107 658 60050 SH SOLE 59100 0 950 Exxon Mobil Corp. com 30231G102 207 2056 SH SOLE 0 0 2056 Federated National Holding C com 31422T101 1306 51200 SH SOLE 51200 0 0 Financial Engines, Inc. com 317485100 845 18660 SH SOLE 18400 0 260 Flotek Inds Inc. com 343389102 814 25300 SH SOLE 25300 0 0 G III Apparel Group Ltd. com 36237H101 10646 130369 SH SOLE 59900 0 70469 Gentherm, Inc. com 37253A103 13828 311081 SH SOLE 131100 0 179981 Glu Mobile, Inc. com 379890106 930 185900 SH SOLE 185900 0 0 Grand Canyon Education, Inc. com 38526M106 1356 29500 SH SOLE 29500 0 0 Gulfport Energy Corp. com 402635304 1319 21000 SH SOLE 21000 0 0 IGI Laboratories, Inc. com 449575109 299 56300 SH SOLE 56300 0 0 INPHI Corp. com 45772F107 882 60100 SH SOLE 60100 0 0 Ikang Healthcare Group, Inc. com 45174l108 5011 289000 SH SOLE 280000 0 9000 Immersion Corp Com com 452521107 929 73073 SH SOLE 58500 0 14573 Incontact, Inc. com 45336E109 474 51560 SH SOLE 48900 0 2660 Innovative Solutions & Support com 45769N105 629 84600 SH SOLE 84600 0 0 Intel Corporation com 458140100 305 9879 SH SOLE 0 0 9879 Interactive Intelligence Group com 45841V109 10008 178308 SH SOLE 59200 0 119108 Inventure Foods, Inc. com 461212102 905 80300 SH SOLE 80300 0 0 JP Morgan Chase & Company Inc. com 46625H100 340 5899 SH SOLE 0 0 5899 Johnson & Johnson com 478160104 416 3974 SH SOLE 0 0 3974 Jumei com 48138L107 2815 103500 SH SOLE 100000 0 3500 Kimberly Clark Corp. com 494368103 229 2061 SH SOLE 0 0 2061 Kofax Limited com G5307C105 100 11600 SH SOLE 11600 0 0 Kongzhong Corp. ADR com 50047P104 1996 230000 SH SOLE 230000 0 0 Lannett Company, Inc. com 516012101 1017 20500 SH SOLE 20500 0 0 Lattice Semiconductor Corporat com 518415104 626 75900 SH SOLE 75900 0 0 Ligand Pharmaceuticals Cl B com 53220K504 11015 176837 SH SOLE 73700 0 103137 Lionbridge Technologies, Inc. com 536252109 170 28700 SH SOLE 28700 0 0 Logmein, Inc. com 54142L109 8955 192090 SH SOLE 30500 0 161590 Mastercard, Inc. com 57636Q104 216 2944 SH SOLE 0 0 2944 Matrix Service Co. com 576853105 4442 135462 SH SOLE 52900 0 82562 Maximus, Inc. com 577933104 7306 169820 SH SOLE 49405 0 120415 Maxlinear, Inc. Class A com 57776J100 990 98300 SH SOLE 98300 0 0 Medidata Solutions, Inc. com 58471A105 1548 36164 SH SOLE 33820 0 2344 Melco Crown Entertainment ADR com 585464100 1821 51000 SH SOLE 50000 0 1000 Merit Medical System Inc com 589889104 939 62200 SH SOLE 62200 0 0 Methode Electronics, Inc. com 591520200 11837 309793 SH SOLE 114608 0 195185 Microsoft Corp. com 594918104 367 8811 SH SOLE 0 0 8811 Montage Technology Group Ltd. com G6209T105 8532 412389 SH SOLE 249700 0 162689 Multimedia Games com 625453105 6893 232563 SH SOLE 67262 0 165301 NQ Mobile, Inc. - ADR com 64118U108 8279 1348397 SH SOLE 764500 0 583897 Netease.Com, Inc. com 64110W102 4387 55990 SH SOLE 55000 0 990 Omnicell, Inc. com 68213N109 1246 43400 SH SOLE 43400 0 0 On Assignment, Inc. com 682159108 6905 194124 SH SOLE 73382 0 120742 PGT, Inc. com 69336V101 5402 637733 SH SOLE 144200 0 493533 Pacific Premier Bancorp, Inc. com 69478X105 510 36200 SH SOLE 36200 0 0 Pennymac Mortgage Investment com 70931T103 1359 61949 SH SOLE 54800 0 7149 Pixelworks, Inc. com 72581M305 3285 433884 SH SOLE 428024 0 5860 Points International Ltd. com 730843208 937 41300 SH SOLE 41300 0 0 Qihoo 360 Technology Co-ADR com 74734M109 8366 90900 SH SOLE 90000 0 900 RPX Corporation com 74972G103 1262 71100 SH SOLE 71100 0 0 Rentrak Corp. com 760174102 766 14600 SH SOLE 14600 0 0 Retailmenot, Inc. com 76132B106 12830 482159 SH SOLE 138800 0 343359 Rignet, Inc. com 766582100 974 18100 SH SOLE 18100 0 0 Ring Energy, Inc. com 76680v108 1988 113900 SH SOLE 113000 0 900 SPDR S&P 500 ETF Trust com 78462F103 1487 7600 SH SOLE 7600 0 0 Sanchez Energy Corp. com 79970Y105 1966 52300 SH SOLE 52300 0 0 Sequential Brands Group, Inc. com 817340201 833 60300 SH SOLE 60300 0 0 Sevcon, Inc. com 81783K108 326 39700 SH SOLE 39700 0 0 ShoreTel com 825211105 114 17500 SH SOLE 17500 0 0 Silicom Ltd. com M84116108 2887 68818 SH SOLE 64058 0 4760 Skechers Usa, Inc. com 830566105 7031 153853 SH SOLE 39000 0 114853 Spectranetics Corp. com 84760c107 950 41500 SH SOLE 41500 0 0 Stamps.com, Inc. com 852857200 276 8200 SH SOLE 8200 0 0 Steven Madden Ltd. com 556269108 3749 109310 SH SOLE 13600 0 95710 Stratasys Ltd. com M85548101 1500 13200 SH SOLE 13200 0 0 Strattec Security Corp. com 863111100 600 9300 SH SOLE 9300 0 0 Sucampo Pharmaceuticals com 864909106 557 80700 SH SOLE 80700 0 0 Sunpower Corp. com 867652406 738 18000 SH SOLE 18000 0 0 Super Micro Computer Inc. com 86800U104 1094 43300 SH SOLE 43300 0 0 Superior Drilling Products com 868153107 602 92400 SH SOLE 92400 0 0 Synaptics, Inc. com 87157D109 14573 160781 SH SOLE 54300 0 106481 Synchronoss Technologies Inc. com 87157B103 1507 43100 SH SOLE 43100 0 0 Synergy Resources Corp. com 87164P103 1450 109400 SH SOLE 109400 0 0 Tarena Internatinal, Inc. com 876108101 4290 326700 SH SOLE 310000 0 16700 The Travelers Co., Inc. com 89417E109 374 3980 SH SOLE 0 0 3980 Toyota Motor Corp. ADR com 892331307 235 1965 SH SOLE 0 0 1965 Triangle Petroleum Corp. com 89600B201 1301 110700 SH SOLE 110700 0 0 US Silica Holdings, Inc. com 90346E103 1896 34200 SH SOLE 34200 0 0 United Insurance Holdings Co. com 910710102 1311 75950 SH SOLE 72500 0 3450 Vascular Solutions com 92231m109 597 26900 SH SOLE 26900 0 0 Verizon Communications com 92343V104 308 6300 SH SOLE 0 0 6300 Vince Holding Corp. com 92719W108 7862 214691 SH SOLE 59200 0 155491 Vipshop Holdings Ltd. ADS com 92763W103 15055 80193 SH SOLE 76500 0 3693 Wageworks, Inc. com 930427109 6002 124491 SH SOLE 41700 0 82791 Wal Mart Stores Inc. com 931142103 283 3774 SH SOLE 0 0 3774 Web.com Group, Inc. com 94733A104 294 10200 SH SOLE 10200 0 0 Wells Fargo & Co. com 949746101 241 4579 SH SOLE 0 0 4579 Westell Technologies Inc com 957541105 403 164600 SH SOLE 164600 0 0 Winnebago Industries, Inc. com 974637100 896 35600 SH SOLE 35600 0 0 XOOM Corp. com 98419Q101 1110 42100 SH SOLE 42100 0 0 Xenacare Hldgs, Inc. com 98401A106 0 140000 SH SOLE 0 0 140000 YY com 98426T106 6251 82800 SH SOLE 80000 0 2800 Youku Tudou, Inc. com 98742U100 954 40000 SH SOLE 40000 0 0 Zebra Technologies Corp.-Cl A com 989207105 280 3400 SH SOLE 1400 0 2000 eGain Corp. com 28225C806 1329 196310 SH SOLE 160800 0 35510