Oberweis Asset Management

Oberweis Asset Management as of June 30, 2013

Portfolio Holdings for Oberweis Asset Management

Oberweis Asset Management holds 147 positions in its portfolio as reported in the June 2013 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Medidata Solutions 5.6 $20M 254k 77.45
Spreadtrum Communications 4.4 $16M 590k 26.25
Francescas Hldgs Corp 4.1 $15M 525k 27.79
Web 3.2 $11M 439k 25.60
Roadrunner Transportation Services Hold. 3.0 $11M 383k 27.84
21vianet Group (VNET) 3.0 $11M 923k 11.33
On Assignment 2.9 $10M 386k 26.72
IPG Photonics Corporation (IPGP) 2.8 $9.9M 163k 60.73
Ellie Mae 2.8 $9.8M 425k 23.08
Stamps 2.7 $9.7M 246k 39.39
Avg Technologies 2.6 $9.2M 475k 19.45
HMS Holdings 2.6 $9.2M 393k 23.30
Netqin Mobile 2.6 $9.0M 1.1M 8.08
Acacia Research Corporation (ACTG) 2.5 $8.9M 399k 22.35
Gulfport Energy Corporation 2.3 $8.0M 170k 47.09
Immersion Corporation (IMMR) 2.1 $7.6M 572k 13.25
Advisory Board Company 2.1 $7.5M 138k 54.65
BofI Holding 2.1 $7.4M 161k 45.82
CAI International 1.9 $6.8M 288k 23.57
PennyMac Mortgage Investment Trust (PMT) 1.8 $6.4M 303k 21.05
Invensense 1.8 $6.3M 410k 15.38
HealthStream (HSTM) 1.8 $6.2M 246k 25.32
Envestnet (ENV) 1.7 $6.1M 248k 24.60
Cyberonics 1.4 $5.1M 98k 51.96
Bonanza Creek Energy 1.4 $5.1M 143k 35.46
Steven Madden (SHOO) 1.4 $4.8M 99k 48.38
Gentherm (THRM) 1.2 $4.3M 230k 18.57
Qihoo 360 Technologies Co Lt 1.0 $3.7M 80k 46.17
NetEase (NTES) 1.0 $3.6M 58k 63.17
Tangoe 1.0 $3.5M 226k 15.43
51job 0.9 $3.2M 48k 67.51
Support 0.9 $3.0M 665k 4.57
Interactive Intelligence Group 0.8 $2.9M 57k 51.60
ExlService Holdings (EXLS) 0.7 $2.5M 86k 29.56
eGain Communications Corporation (EGAN) 0.7 $2.4M 248k 9.62
Depository Vipshop Holdings Ltd - Ads receipt (VIPS) 0.7 $2.3M 80k 29.16
Datawatch Corporation 0.6 $2.2M 124k 18.04
Endologix 0.6 $2.2M 166k 13.28
Multimedia Games 0.6 $2.2M 84k 26.07
Omnicell (OMCL) 0.6 $2.0M 97k 20.55
DealerTrack Holdings 0.5 $1.7M 49k 35.43
ValueClick 0.5 $1.6M 67k 24.71
Grand Canyon Education (LOPE) 0.5 $1.6M 50k 32.23
Ban (TBBK) 0.4 $1.6M 106k 14.99
Catamaran 0.4 $1.6M 33k 48.75
Market Leader 0.4 $1.5M 142k 10.70
Barrett Business Services (BBSI) 0.4 $1.5M 28k 52.21
Spdr S&p 500 Etf (SPY) 0.4 $1.5M 9.2k 160.33
Zumiez (ZUMZ) 0.4 $1.4M 50k 28.75
8x8 (EGHT) 0.4 $1.4M 171k 8.24
E Commerce China Dangdang 0.4 $1.4M 203k 6.94
Tillys (TLYS) 0.4 $1.4M 88k 16.00
Noah Holdings (NOAH) 0.4 $1.3M 150k 8.87
Silicom (SILC) 0.4 $1.3M 39k 34.28
Wageworks 0.4 $1.3M 38k 34.45
Inphi Corporation 0.4 $1.3M 118k 11.00
Synaptics, Incorporated (SYNA) 0.4 $1.3M 33k 38.56
China Lodging 0.4 $1.3M 80k 16.00
Sourcefire 0.4 $1.3M 23k 55.55
G-III Apparel (GIII) 0.4 $1.2M 26k 48.10
Berkshire Hills Ban (BHLB) 0.3 $1.2M 44k 27.75
Stratasys (SSYS) 0.3 $1.2M 14k 83.76
Flotek Industries 0.3 $1.2M 65k 17.94
Procera Networks 0.3 $1.2M 84k 13.73
Consumer Portfolio Services (CPSS) 0.3 $1.1M 157k 7.34
Maximus (MMS) 0.3 $1.1M 15k 74.47
Sina Corporation 0.3 $1.1M 20k 55.75
Hci (HCI) 0.3 $1.1M 35k 30.71
Proto Labs (PRLB) 0.3 $1.1M 17k 64.97
Rpx Corp 0.3 $1.0M 62k 16.81
Eagle Ban (EGBN) 0.3 $1.0M 46k 22.37
Taylor Morrison Hom (TMHC) 0.3 $1.0M 42k 24.38
PDF Solutions (PDFS) 0.3 $988k 54k 18.43
Advanced Emissions (ARQ) 0.3 $981k 23k 42.10
RigNet 0.3 $902k 35k 25.48
Bryn Mawr Bank 0.3 $895k 37k 23.93
Sunpower (SPWR) 0.2 $874k 42k 20.71
Halcon Resources 0.2 $853k 151k 5.67
Ints Intl 0.2 $853k 40k 21.54
Ambarella (AMBA) 0.2 $843k 50k 16.83
CLICKSOFTWARE TECHNOLOGIES Ltd Com Stk 0.2 $838k 101k 8.34
Lannett Company 0.2 $806k 68k 11.91
Perficient (PRFT) 0.2 $796k 60k 13.33
Northern Oil & Gas 0.2 $771k 58k 13.34
Cardinal Financial Corporation 0.2 $769k 53k 14.65
Youku 0.2 $768k 40k 19.20
Epl Oil & Gas 0.2 $743k 25k 29.37
Imax Corp Cad (IMAX) 0.2 $741k 30k 24.87
Triangle Petroleum Corporation 0.2 $717k 102k 7.01
Diamondback Energy (FANG) 0.2 $683k 21k 33.32
Digimarc Corporation (DMRC) 0.2 $671k 32k 20.77
Comstock Homebuilding Companies 0.2 $658k 238k 2.77
Winnebago Industries (WGO) 0.2 $626k 30k 21.01
MaxLinear (MXL) 0.2 $572k 82k 7.00
Joe's Jeans 0.2 $553k 337k 1.64
Protalix BioTherapeutics 0.2 $540k 110k 4.91
Callon Pete Co Del Com Stk 0.2 $534k 159k 3.37
CalAmp 0.1 $529k 36k 14.61
Virtusa Corporation 0.1 $527k 24k 22.14
Ligand Pharmaceuticals In (LGND) 0.1 $524k 14k 37.43
Infoblox 0.1 $521k 18k 29.27
Manitex International (MNTX) 0.1 $518k 47k 10.95
Santarus 0.1 $486k 23k 21.04
Microsoft Corporation (MSFT) 0.1 $473k 14k 34.57
Mitcham Industries 0.1 $468k 28k 16.77
TASER International 0.1 $452k 53k 8.51
Vascular Solutions 0.1 $444k 30k 14.70
IPC The Hospitalist Company 0.1 $441k 8.6k 51.40
Bitauto Hldg 0.1 $439k 40k 10.97
Panhandle Oil and Gas 0.1 $433k 15k 28.49
McDonald's Corporation (MCD) 0.1 $428k 4.3k 98.96
Arctic Cat 0.1 $405k 9.0k 45.00
Us Silica Hldgs (SLCA) 0.1 $395k 19k 20.79
Datalink Corporation 0.1 $393k 37k 10.63
United Ins Hldgs (ACIC) 0.1 $393k 56k 6.99
Johnson & Johnson (JNJ) 0.1 $387k 4.5k 85.85
Walgreen Company 0.1 $385k 8.7k 44.25
United Financial Ban 0.1 $383k 25k 15.14
Travelers Companies (TRV) 0.1 $347k 4.3k 79.83
Cynosure 0.1 $335k 13k 25.97
Premier Exhibitions 0.1 $334k 192k 1.74
Verizon Communications (VZ) 0.1 $333k 6.6k 50.40
First Savings Financial (FSFG) 0.1 $329k 14k 23.33
Allot Communications (ALLT) 0.1 $329k 24k 13.71
JPMorgan Chase & Co. (JPM) 0.1 $326k 6.2k 52.73
Wal-Mart Stores (WMT) 0.1 $301k 4.0k 74.38
Amgen (AMGN) 0.1 $298k 3.0k 98.64
Newmont Mining Corporation (NEM) 0.1 $276k 9.2k 29.95
General Electric Company 0.1 $268k 12k 23.18
Toyota Motor Corporation (TM) 0.1 $262k 2.2k 120.63
Financial Engines 0.1 $260k 5.7k 45.61
Intel Corporation (INTC) 0.1 $259k 11k 24.24
BHP Billiton (BHP) 0.1 $252k 4.4k 57.57
Mgc Diagnostics 0.1 $245k 29k 8.37
Coca-Cola Company (KO) 0.1 $245k 6.1k 40.07
Apple (AAPL) 0.1 $243k 613.00 396.41
Kimberly-Clark Corporation (KMB) 0.1 $225k 2.3k 97.36
Mfri 0.1 $223k 20k 11.38
New Oriental Education & Tech 0.1 $221k 10k 22.10
Streamline Health Solutions (STRM) 0.1 $220k 34k 6.57
Exxon Mobil Corporation (XOM) 0.1 $204k 2.3k 90.51
REPCOM cla 0.1 $201k 7.5k 26.80
Magic Software Enterprises (MGIC) 0.0 $101k 19k 5.37
Furmanite Corporation 0.0 $98k 15k 6.71
Marine Products (MPX) 0.0 $89k 11k 8.02
Senesco Technologies 0.0 $1.0k 50k 0.02
Xenacare Hldgs 0.0 $994.000000 140k 0.01