Oberweis Asset Management

Latest statistics and disclosures from OBERWEIS ASSET MANAGEMENT INC/'s latest quarterly 13F-HR filing:

OBERWEIS ASSET MANAGEMENT INC/ portfolio companies for December 2013 quarter

Ticker Name Portfolio Weight Change Share Count Price Last Trade
Netqin Mobile 7.08 NEW 1989561 14.70 0.00
21vianet 4.87 NEW 854640 23.52 0.00
MEI Methode Electronics 3.73 +3747.00% 450130 34.19 28.94
MDSO Medidata Solutions 3.46 NEW 236340 60.50 51.95
GIII G-III Apparel 3.32 NEW 185149 73.96 72.79
Ligand Pharmaceuticals In 2.72 NEW 213317 52.60 0.00
GPOR Gulfport Energy Corporation 2.68 175125 63.13 75.11
Wageworks 2.68 NEW 186401 59.44 0.00
Invensense 2.52 NEW 500439 20.78 0.00
Bonanza Creek Energy 2.31 +588.00% 219774 43.47 0.00
ENV Envestnet 2.18 NEW 223422 40.30 35.91
STMP Stamps 2.17 212428 42.10 33.86
BBSI Barrett Business Services 2.13 +216.00% 94651 92.74 58.21
Depository Vipshop Holdings Ltd - Ads receipt 2.04 NEW 100900 83.68 0.00
GENT Gentium S.p.A. 2.01 NEW 145016 57.10 55.04
ABCO Advisory Board Company 1.98 NEW 128350 63.67 60.46
SYNA Synaptics, Incorporated 1.96 NEW 156456 51.81 62.16
WWWW Web 1.93 NEW 251177 31.79 32.02
500 1.79 NEW 208960 35.37 0.00
ASGN On Assignment 1.78 -48.00% 210814 34.92 35.88
HSTM HealthStream 1.66 NEW 209629 32.62 24.29
CYBX Cyberonics 1.64 NEW 103667 65.42 62.02
OSTK Overstock 1.63 NEW 219197 30.79 18.33
PMT PennyMac Mortgage Investment Trust 1.46 NEW 262855 22.96 23.20
Qihoo 360 Technologies Co Lt 1.43 NEW 72000 82.06 0.00
EGAN eGain Communications Corporation 1.42 NEW 571510 10.24 6.60
SHOO Steven Madden 1.33 +46.00% 149850 36.59 34.86
PGTI PGT 1.33 NEW 543993 10.12 10.69
SFUN SouFun Holdings 1.29 NEW 64450 82.40 13.57
Icon 1.20 NEW 122200 40.42 0.00
NTES NetEase 1.19 NEW 62390 78.60 71.19
NOAH Noah Holdings 1.11 NEW 254600 18.00 14.07
SPRT Support 1.10 NEW 1202441 3.79 2.61
IMMR Immersion Corporation 1.09 NEW 434288 10.38 10.52
CSIQ Canadian Solar 1.05 NEW 146000 29.82 26.46
REPCOM cla 0.94 NEW 77500 50.28 0.00
Sina Corporation 0.85 NEW 41700 84.24 0.00
BITA Bitauto Hldg 0.81 +391.00% 104800 31.96 34.38
MGAM Multimedia Games 0.77 +21.00% 102045 31.36 27.64
Ambarella Inc shs 0.76 NEW 92400 33.89 0.00
HTHT China Lodging 0.74 NEW 100000 30.46 23.91
Gentherm 0.62 NEW 95200 26.81 0.00
Interactive Intelligence 0.60 NEW 36950 67.36 0.00
Vince Hldg 0.58 NEW 78400 30.68 0.00
LCI Lannett Company 0.54 -6.00% 67200 33.10 32.82
EHTH eHealth 0.50 NEW 44300 46.50 45.95
LOPE Grand Canyon Education 0.45 NEW 42700 43.61 45.62
TRAK DealerTrack Holdings 0.45 -67.00% 38600 48.08 44.45
RRTS Roadrunner Transportation Services Hold. 0.44 NEW 67030 26.94 24.90
TBBK Ban 0.42 NEW 97128 17.91 18.57
Stratasys 0.41 NEW 12600 134.68 0.00
China Mobile Games & Entmt G 0.40 NEW 65550 25.23 0.00
EGHT 8x8 0.38 -9.00% 155200 10.15 10.71
Avg Technologies shs 0.37 NEW 87685 17.21 0.00
IPGP IPG Photonics Corporation 0.36 NEW 18900 77.62 74.73
OMCL Omnicell 0.36 NEW 57600 25.54 27.24
ELGX Endologix 0.36 NEW 86200 17.44 12.43
Rpx 0.35 NEW 85600 16.90 0.00
Fleetmatics 0.35 NEW 33120 43.24 0.00
Autohome Inc- 0.35 NEW 40000 36.60 0.00
SPY SPDR S&P; 500 ETF 0.34 NEW 7600 184.61 186.39
Epl Oil & Gas 0.33 NEW 48400 28.49 0.00
Mgc Diagnostics 0.33 NEW 106901 12.66 0.00
CALD Callidus Software 0.32 NEW 96930 13.73 10.53
CAMP CalAmp 0.31 +19.00% 45600 27.96 24.56
Tangoe 0.30 NEW 67700 18.01 0.00
Diamondback Energy 0.30 NEW 23700 52.87 0.00
YOKU Youku 0.29 NEW 40000 30.30 26.02
MMS MAXIMUS 0.28 +77.00% 26600 43.98 42.48
Sunpower 0.28 NEW 38200 29.82 0.00
DWCH Datawatch Corporation 0.27 -80.00% 33190 34.02 14.08
Ring Energy 0.27 NEW 90000 12.20 0.00
Taylor Morrison Hom 0.25 NEW 45800 22.45 0.00
JOBS 51job 0.24 -73.00% 12600 77.94 72.15
DANG E Commerce China Dangdang 0.24 NEW 105000 9.55 12.50
Acadia Healthcare 0.24 NEW 20600 47.33 0.00
United Ins Hldgs 0.23 NEW 66350 14.08 0.00
SQI SciQuest 0.22 NEW 32500 28.49 26.05
DIOD Diodes Incorporated 0.21 NEW 37200 23.55 27.72
BOFI BofI Holding 0.21 NEW 11305 78.46 85.30
MNTA Momenta Pharmaceuticals 0.19 NEW 44600 17.69 11.10
CPSS Consumer Portfolio Services 0.19 -48.00% 84550 9.39 7.70
WGO Winnebago Industries 0.18 -11.00% 26500 27.43 25.87
PXLW Pixelworks 0.18 NEW 152660 4.82 5.43
PKT Procera Networks 0.18 NEW 48820 15.01 9.62
Infoblox 0.18 NEW 22900 33.01 0.00
SNCR Synchronoss Technologies 0.17 NEW 22600 31.06 32.05
ZUMZ Zumiez 0.15 -52.00% 23700 25.99 24.10
Sili 0.15 NEW 13900 45.76 0.00
Federated National Holding C 0.15 NEW 42000 14.67 0.00
Attunity Ltd shs 0.15 NEW 61410 10.36 0.00
FRM Furmanite Corporation 0.14 +344.00% 52500 10.63 9.78
FXCM FXCM 0.14 NEW 32400 17.84 15.47
QUIK QuickLogic Corporation 0.14 NEW 150000 3.95 5.08
Us Silica Hldgs 0.14 NEW 16700 34.13 0.00
EPM Evolution Petroleum Corporation 0.13 NEW 42550 12.34 12.25
RNET RigNet 0.13 NEW 11100 47.93 50.44
Silver Spring Networks 0.13 NEW 25200 20.99 0.00
SCMP Sucampo Pharmaceuticals 0.12 NEW 53000 9.40 6.77
NOG Northern Oil & Gas 0.11 -46.00% 31200 15.06 15.07
FTK Flotek Industries 0.11 -67.00% 22100 20.09 29.28
MSFT Microsoft Corporation 0.10 -32.00% 10508 37.40 40.01
JNJ Johnson & Johnson 0.10 -4.00% 4367 91.60 98.96
RENT Rentrak Corporation 0.10 NEW 10800 37.87 51.22
Montage Technology 0.10 NEW 25000 16.32 0.00
MTRX Matrix Service Company 0.09 NEW 15400 24.42 32.95
BMTC Bryn Mawr Bank 0.09 -68.00% 12300 30.16 27.73
FNGN Financial Engines 0.09 -70.00% 5100 69.41 48.01
Expedia 0.09 NEW 5117 69.57 0.00
JPM JPMorgan Chase & Co. 0.08 NEW 5749 58.44 55.22
TRV Travelers Companies 0.08 NEW 3863 90.60 86.68
VZ Verizon Communications 0.08 NEW 6402 49.20 47.60
AMGN Amgen 0.08 -14.00% 2867 114.06 115.46
PRFT Perficient 0.08 NEW 13800 23.41 18.93
TASR TASER International 0.08 NEW 21000 15.86 17.88
Callon Pete Co Del Com Stk 0.08 NEW 53000 6.53 0.00
MXL MaxLinear 0.08 NEW 32600 10.43 8.90
*qunar Cayman Is Ltd spns adr cl b 0.08 NEW 12600 26.51 0.00
WMT Wal-Mart Stores 0.07 -4.00% 3769 78.80 77.66
AAPL Apple 0.07 -19.00% 513 561.40 524.94
SIMG Silicon Image 0.07 NEW 48000 6.15 6.33
BHP BHP Billiton 0.07 -7.00% 4005 68.16 71.15
TPLM Triangle Petroleum Corporation 0.07 NEW 33000 8.33 9.83
Advanced Emissions 0.07 NEW 5100 54.31 0.00
MA MasterCard Incorporated 0.06 NEW 291 835.05 74.13
INTC Intel Corporation 0.06 -8.00% 9870 25.94 27.04
NUS Nu Skin Enterprises 0.06 NEW 1700 138.24 86.42
TM Toyota Motor Corporation 0.06 -18.00% 1962 121.81 108.02
EGBN Eagle Ban 0.06 -82.00% 7580 30.61 36.14
BK Bank of New York Mellon Corporation 0.05 NEW 6358 34.92 33.76
XOM Exxon Mobil Corporation 0.05 NEW 2055 101.22 100.42
KMB Kimberly-Clark Corporation 0.05 -10.00% 2057 104.52 112.54
WFC Wells Fargo & Company 0.05 NEW 4574 45.47 48.93
ECPG Encore Capital 0.05 NEW 4400 50.23 45.16
PTIX Performance Technologies 0.05 NEW 53391 3.75 3.74
VASC Vascular Solutions 0.05 -69.00% 9800 23.16 23.85
ALU Alcatel-Lucent 0.05 NEW 46900 4.39 3.85
IG IGI Laboratories 0.05 NEW 62600 3.05 4.12
Catamaran 0.05 -93.00% 4630 47.52 0.00
SHOR ShoreTel 0.04 NEW 17500 9.26 8.04
WSTL Westell Technologies 0.04 NEW 42700 4.05 3.28
EXTR Extreme Networks 0.03 NEW 16500 6.97 5.67
ISSC Innovative Solutions & Support 0.03 NEW 14800 7.30 7.13
CHCI Comstock Homebuilding Companies 0.03 NEW 70500 2.00 1.41
LIOX Lionbridge Technologies 0.03 NEW 23300 5.97 6.10
SAAS inContact, Inc . 0.03 NEW 16160 7.80 9.04
STRM Streamline Health Solutions 0.02 NEW 12900 6.98 5.27
Xenacare Hldgs 0.00 NEW 140000 0.00 0.00

Past 13F-HR SEC Filings for OBERWEIS ASSET MANAGEMENT INC/