OBERWEIS ASSET MANAGEMENT INC/ Diversified Active

Location: Lisle, IL

CIK: 0000937886 · Show all filings

Period: Q4 2013 (← Previous) (Next →)

Filing Date: Feb 14, 2014

Total Value: $413M (100.0% shares, 0.0% debt)

Holdings (148)

NQ Mobile, Inc. - ADR 7.1%
Value $29.25M Shares 1,989,561 Est. Cost Unrealized
VNET 21Vianet Group, Inc. - ADR 4.9%
Value $20.1M Shares 854,640 Est. Cost Unrealized
MEI Methode Electronics, Inc. 3.7%
Value $15.39M Shares 450,130 Est. Cost Unrealized
Medidata Solutions, Inc. 3.5%
Value $14.3M Shares 236,340 Est. Cost Unrealized
GIII G III Apparel Group Ltd. 3.3%
Value $13.69M Shares 185,149 Est. Cost Unrealized
LGND Ligand Pharmaceuticals Cl B 2.7%
Value $11.22M Shares 213,317 Est. Cost Unrealized
Wageworks, Inc. 2.7%
Value $11.08M Shares 186,401 Est. Cost Unrealized
Gulfport Energy Corp. 2.7%
Value $11.06M Shares 175,125 Est. Cost Unrealized
Invensense, Inc. 2.5%
Value $10.4M Shares 500,439 Est. Cost Unrealized
Bonanza Creek Energy, Inc. 2.3%
Value $9.554M Shares 219,774 Est. Cost Unrealized
Envestnet, Inc. 2.2%
Value $9.004M Shares 223,422 Est. Cost Unrealized
Stamps.com, Inc. 2.2%
Value $8.943M Shares 212,428 Est. Cost Unrealized
BBSI Barrett Business Services 2.1%
Value $8.778M Shares 94,651 Est. Cost Unrealized
VIPS Vipshop Holdings Ltd. ADS 2.0%
Value $8.443M Shares 100,900 Est. Cost Unrealized
Gentium Spa-Sponsored ADR 2.0%
Value $8.28M Shares 145,016 Est. Cost Unrealized
Advisory Board Co. 2.0%
Value $8.172M Shares 128,350 Est. Cost Unrealized
SYNA Synaptics, Inc. 2.0%
Value $8.106M Shares 156,456 Est. Cost Unrealized
Web.com Group, Inc. 1.9%
Value $7.985M Shares 251,177 Est. Cost Unrealized
500.COM 1.8%
Value $7.391M Shares 208,960 Est. Cost Unrealized
On Assignment, Inc. 1.8%
Value $7.362M Shares 210,814 Est. Cost Unrealized
HSTM Healthstream Inc. 1.7%
Value $6.839M Shares 209,629 Est. Cost Unrealized
Cyberonics, Inc. 1.6%
Value $6.782M Shares 103,667 Est. Cost Unrealized
BBBY Overstock.com, Inc. 1.6%
Value $6.749M Shares 219,197 Est. Cost Unrealized
PMT Pennymac Mortgage Investment 1.5%
Value $6.035M Shares 262,855 Est. Cost Unrealized
Qihoo 360 Technology Co-ADR 1.4%
Value $5.908M Shares 72,000 Est. Cost Unrealized
EGAN eGain Corp. 1.4%
Value $5.852M Shares 571,510 Est. Cost Unrealized
PGT, Inc. 1.3%
Value $5.505M Shares 543,993 Est. Cost Unrealized
SHOO Steven Madden Ltd. 1.3%
Value $5.483M Shares 149,850 Est. Cost Unrealized
Soufun Holdings Ltd. ADR 1.3%
Value $5.311M Shares 64,450 Est. Cost Unrealized
ICLR Icon Plc Corp. 1.2%
Value $4.939M Shares 122,200 Est. Cost Unrealized
NTES Netease.Com, Inc. 1.2%
Value $4.904M Shares 62,390 Est. Cost Unrealized
NOAH Noah Holdings 1.1%
Value $4.583M Shares 254,600 Est. Cost Unrealized
Support.com, Inc. 1.1%
Value $4.557M Shares 1,202,441 Est. Cost Unrealized
IMMR Immersion Corp Com 1.1%
Value $4.508M Shares 434,288 Est. Cost Unrealized
CSIQ Canadian Solar, Inc. 1.1%
Value $4.354M Shares 146,000 Est. Cost Unrealized
YY 0.9%
Value $3.897M Shares 77,500 Est. Cost Unrealized
Sina Corp. 0.9%
Value $3.513M Shares 41,700 Est. Cost Unrealized
Bitauto 0.8%
Value $3.349M Shares 104,800 Est. Cost Unrealized
Multimedia Games 0.8%
Value $3.2M Shares 102,045 Est. Cost Unrealized
AMBA Ambarella, Inc. 0.8%
Value $3.131M Shares 92,400 Est. Cost Unrealized
China Lodging Group-Spon ADS 0.7%
Value $3.046M Shares 100,000 Est. Cost Unrealized
THRM Gentherm, Inc. 0.6%
Value $2.552M Shares 95,200 Est. Cost Unrealized
Interactive Intelligence Group 0.6%
Value $2.489M Shares 36,950 Est. Cost Unrealized
Apparel Holding Corp. 0.6%
Value $2.405M Shares 78,400 Est. Cost Unrealized
Lannett Company, Inc. 0.5%
Value $2.224M Shares 67,200 Est. Cost Unrealized
EHTH Ehealth, Inc. 0.5%
Value $2.06M Shares 44,300 Est. Cost Unrealized
LOPE Grand Canyon Education, Inc. 0.5%
Value $1.862M Shares 42,700 Est. Cost Unrealized
Dealertrack Technologies, Inc. 0.4%
Value $1.856M Shares 38,600 Est. Cost Unrealized
Roadrunner Transportation Syst 0.4%
Value $1.806M Shares 67,030 Est. Cost Unrealized
TBBK Bancorp, Inc./The 0.4%
Value $1.74M Shares 97,128 Est. Cost Unrealized
SSYS Stratasys Ltd. 0.4%
Value $1.697M Shares 12,600 Est. Cost Unrealized
China Mobile Games & Entertain 0.4%
Value $1.654M Shares 65,550 Est. Cost Unrealized
EGHT 8X8 Inc. 0.4%
Value $1.575M Shares 155,200 Est. Cost Unrealized
AVG Technologies 0.4%
Value $1.509M Shares 87,685 Est. Cost Unrealized
Endologix, Inc. 0.4%
Value $1.503M Shares 86,200 Est. Cost Unrealized
OMCL Omnicell, Inc. 0.4%
Value $1.471M Shares 57,600 Est. Cost Unrealized
IPGP IPG Photonics Corp. 0.4%
Value $1.467M Shares 18,900 Est. Cost Unrealized
Autohome, Inc. ADR 0.4%
Value $1.464M Shares 40,000 Est. Cost Unrealized
RPX Corporation 0.4%
Value $1.447M Shares 85,600 Est. Cost Unrealized
Fleetmatics Group Plc 0.3%
Value $1.432M Shares 33,120 Est. Cost Unrealized
SPY SPDR S&P 500 ETF Trust 0.3%
Value $1.403M Shares 7,600 Est. Cost Unrealized
EPL Oil & Gas 0.3%
Value $1.379M Shares 48,400 Est. Cost Unrealized
MGC Diagnostics Corp. 0.3%
Value $1.353M Shares 106,901 Est. Cost Unrealized
Callidus Software Inc. 0.3%
Value $1.331M Shares 96,930 Est. Cost Unrealized
CalAmp Corp. 0.3%
Value $1.275M Shares 45,600 Est. Cost Unrealized
FANG Diamondback Energy Inc. 0.3%
Value $1.253M Shares 23,700 Est. Cost Unrealized
Tangoe, Inc. 0.3%
Value $1.219M Shares 67,700 Est. Cost Unrealized
Youku Tudou, Inc. 0.3%
Value $1.212M Shares 40,000 Est. Cost Unrealized
MMS Maximus, Inc. 0.3%
Value $1.17M Shares 26,600 Est. Cost Unrealized
Sunpower Corp. 0.3%
Value $1.139M Shares 38,200 Est. Cost Unrealized
Datawatch Corp. 0.3%
Value $1.129M Shares 33,190 Est. Cost Unrealized
Ring Energy, Inc. 0.3%
Value $1.098M Shares 90,000 Est. Cost Unrealized
TMHC Taylor Morrison Home Corp. 0.2%
Value $1.028M Shares 45,800 Est. Cost Unrealized
E-Commerce China Spon ADR 0.2%
Value $1.003M Shares 105,000 Est. Cost Unrealized
51Job Inc. ADR 0.2%
Value $982K Shares 12,600 Est. Cost Unrealized
ACHC Acadia Healthcare Co., Inc. 0.2%
Value $975K Shares 20,600 Est. Cost Unrealized
ACIC United Insurance Holdings Co. 0.2%
Value $934K Shares 66,350 Est. Cost Unrealized
Sciquest, Inc. 0.2%
Value $926K Shares 32,500 Est. Cost Unrealized
Bofi Holding, Inc. 0.2%
Value $887K Shares 11,305 Est. Cost Unrealized
DIOD Diodes, Inc. 0.2%
Value $876K Shares 37,200 Est. Cost Unrealized
CPSS Consumer Portfolio Services 0.2%
Value $794K Shares 84,550 Est. Cost Unrealized
Momenta Pharmaceuticals Inc. 0.2%
Value $789K Shares 44,600 Est. Cost Unrealized
Infoblox, Inc. 0.2%
Value $756K Shares 22,900 Est. Cost Unrealized
Pixelworks, Inc. 0.2%
Value $736K Shares 152,660 Est. Cost Unrealized
Procera Networks, Inc. 0.2%
Value $733K Shares 48,820 Est. Cost Unrealized
WGO Winnebago Industries, Inc. 0.2%
Value $727K Shares 26,500 Est. Cost Unrealized
Synchronoss Technologies Inc. 0.2%
Value $702K Shares 22,600 Est. Cost Unrealized
SILC Silicom Ltd. 0.2%
Value $636K Shares 13,900 Est. Cost Unrealized
Attunity Ltd. 0.2%
Value $636K Shares 61,410 Est. Cost Unrealized
Federated National Holding C 0.1%
Value $616K Shares 42,000 Est. Cost Unrealized
ZUMZ Zumiez Inc. 0.1%
Value $616K Shares 23,700 Est. Cost Unrealized
Quicklogic Corp. 0.1%
Value $592K Shares 150,000 Est. Cost Unrealized
FXCM, Inc. 0.1%
Value $578K Shares 32,400 Est. Cost Unrealized
US Silica Holdings, Inc. 0.1%
Value $570K Shares 16,700 Est. Cost Unrealized
Furmanite Corp. 0.1%
Value $558K Shares 52,500 Est. Cost Unrealized
Rignet, Inc. 0.1%
Value $532K Shares 11,100 Est. Cost Unrealized
Silver Spring Networks, Inc. 0.1%
Value $529K Shares 25,200 Est. Cost Unrealized
EPM Evolution Petroleum Corp. 0.1%
Value $525K Shares 42,550 Est. Cost Unrealized
Sucampo Pharmaceuticals 0.1%
Value $498K Shares 53,000 Est. Cost Unrealized
Northern Oil & Gas, Inc. 0.1%
Value $470K Shares 31,200 Est. Cost Unrealized
Flotek Inds Inc. 0.1%
Value $444K Shares 22,100 Est. Cost Unrealized
Rentrak Corp. 0.1%
Value $409K Shares 10,800 Est. Cost Unrealized
Montage Technology Group Ltd. 0.1%
Value $408K Shares 25,000 Est. Cost Unrealized
JNJ Johnson & Johnson 0.1%
Value $400K Shares 4,367 Est. Cost Unrealized
MSFT Microsoft Corp. 0.1%
Value $393K Shares 10,508 Est. Cost Unrealized
MTRX Matrix Service Co. 0.1%
Value $376K Shares 15,400 Est. Cost Unrealized
Bryn Mawr Bank Corp. 0.1%
Value $371K Shares 12,300 Est. Cost Unrealized
EXPE Expedia, Inc. 0.1%
Value $356K Shares 5,117 Est. Cost Unrealized
Financial Engines, Inc. 0.1%
Value $354K Shares 5,100 Est. Cost Unrealized
TRV The Travelers Co., Inc. 0.1%
Value $350K Shares 3,863 Est. Cost Unrealized
Callon Petroleum Corp. 0.1%
Value $346K Shares 53,000 Est. Cost Unrealized
MXL Maxlinear, Inc. Class A 0.1%
Value $340K Shares 32,600 Est. Cost Unrealized
JPM JP Morgan Chase & Company Inc. 0.1%
Value $336K Shares 5,749 Est. Cost Unrealized
Qunar Cayman Islands Ltd. 0.1%
Value $334K Shares 12,600 Est. Cost Unrealized
Taser International, Inc. 0.1%
Value $333K Shares 21,000 Est. Cost Unrealized
AMGN Amgen, Inc. 0.1%
Value $327K Shares 2,867 Est. Cost Unrealized
Perficient Inc. 0.1%
Value $323K Shares 13,800 Est. Cost Unrealized
VZ Verizon Communications 0.1%
Value $315K Shares 6,402 Est. Cost Unrealized
WMT Wal Mart Stores Inc. 0.1%
Value $297K Shares 3,769 Est. Cost Unrealized
Silicon Image, Inc. 0.1%
Value $295K Shares 48,000 Est. Cost Unrealized
AAPL Apple, Inc. 0.1%
Value $288K Shares 513 Est. Cost Unrealized
Advanced Emissions Solutions, 0.1%
Value $277K Shares 5,100 Est. Cost Unrealized
Triangle Petroleum Corp. 0.1%
Value $275K Shares 33,000 Est. Cost Unrealized
BHP BHP Billiton Ltd. ADR 0.1%
Value $273K Shares 4,005 Est. Cost Unrealized
INTC Intel Corporation 0.1%
Value $256K Shares 9,870 Est. Cost Unrealized
MA Mastercard, Inc. 0.1%
Value $243K Shares 291 Est. Cost Unrealized
TM Toyota Motor Corp. ADR 0.1%
Value $239K Shares 1,962 Est. Cost Unrealized
NU Skin Enterprises 0.1%
Value $235K Shares 1,700 Est. Cost Unrealized
EGBN Eagle Bancorp, Inc. 0.1%
Value $232K Shares 7,580 Est. Cost Unrealized
Vascular Solutions 0.1%
Value $227K Shares 9,800 Est. Cost Unrealized
BK Bank of New York Mellon Corp. 0.1%
Value $222K Shares 6,358 Est. Cost Unrealized
ECPG Encore Capital Group, Inc. 0.1%
Value $221K Shares 4,400 Est. Cost Unrealized
Catamaran Corp. 0.1%
Value $220K Shares 4,630 Est. Cost Unrealized
KMB Kimberly Clark Corp. 0.1%
Value $215K Shares 2,057 Est. Cost Unrealized
XOM Exxon Mobil Corp. 0.1%
Value $208K Shares 2,055 Est. Cost Unrealized
WFC Wells Fargo & Co. 0.1%
Value $208K Shares 4,574 Est. Cost Unrealized
Alcatel-Lucent Spon ADR 0.0%
Value $206K Shares 46,900 Est. Cost Unrealized
Performance Technologies 0.0%
Value $200K Shares 53,391 Est. Cost Unrealized
IGI Laboratories, Inc. 0.0%
Value $191K Shares 62,600 Est. Cost Unrealized
Westell Technologies Inc 0.0%
Value $173K Shares 42,700 Est. Cost Unrealized
ShoreTel 0.0%
Value $162K Shares 17,500 Est. Cost Unrealized
Comstock Hldg Companies, Inc. 0.0%
Value $141K Shares 70,500 Est. Cost Unrealized
Lionbridge Technologies, Inc. 0.0%
Value $139K Shares 23,300 Est. Cost Unrealized
Incontact, Inc. 0.0%
Value $126K Shares 16,160 Est. Cost Unrealized
EXTR Extreme Networks, Inc. 0.0%
Value $115K Shares 16,500 Est. Cost Unrealized
ISSC Innovative Solutions & Support 0.0%
Value $108K Shares 14,800 Est. Cost Unrealized
Streamline Health Solutions 0.0%
Value $90,000 Shares 12,900 Est. Cost Unrealized
Xenacare Hldgs, Inc. 0.0%
Value $0 Shares 140,000 Est. Cost Unrealized