OBERWEIS ASSET MANAGEMENT INC/ Information

3333 WARRENVILLE ROAD, LISLE, Illinois, 60532, (630) 577-2300

Report Date: 12/31/2014

Position Statistics

Total Positions 149
New Positions 17
Increased Positions 44
Decreased Positions 81
Positions with Activity 125
Sold Out Positions 22
Total Mkt Value (in $ millions) 378

Institutional Holdings information is filed by major institutions on form 13-F with the Securities and Exchange Commission.

Sector Weighting

Basic Materials 0.06%
Capital Goods 4.26%
Conglomerates
Consumer Cyclical 7.06%
Consumer/Non-Cyclical 0.21%
Energy 3.93%
Financial 10.18%
Healthcare 17.46%
Services 14.87%
Technology 30.38%
Transportation
Utilities

44 INCREASED Positions as of 12/31/2014

Company Class Value of Shares ($1,000s) ▼ Change in Value ($1,000s) Change (%) Shares Held
DIPLOMAT PHARMACY INC COM 11,552 11,552 New 331,006
FINANCIAL ENGINES INC COM 10,589 3,063 40.70 255,918
TARENA INTL INC ADR 8,761 2,051 30.57 711,704
BONANZA CREEK ENERGY INC COM 7,998 3,790 90.08 321,207
MIMEDX GROUP INC COM 5,836 5,836 New 602,900
IKANG HEALTHCARE GROUP INC SPONSORED ADR 5,728 348 6.47 329,000
CHINA BIOLOGIC PRODS INC COM 4,924 4,924 New 50,000
PIXELWORKS INC COM NEW 2,791 619 28.49 646,004
STRATASYS LTD SHS 2,607 509 24.29 70,542
DIAMONDBACK ENERGY INC COM 2,207 436 24.64 27,670
RUBICON PROJ INC COM 2,159 2,159 New 117,100
INPHI CORP COM 2,025 1,139 128.67 99,700
BAIDU INC SPON ADR REP A 2,014 787 64.13 10,340
NOAH HLDGS LTD SPONSORED ADS 1,806 1,806 New 53,500
PLANAR SYS INC COM 1,502 1,502 New 254,220
ZELTIQ AESTHETICS INC COM 1,325 854 181.33 42,200
PAYCOM SOFTWARE INC COM 1,219 1,219 New 38,900
CALLON PETE CO DEL COM 1,093 379 53.13 134,750
ALIBABA GROUP HLDG LTD SPONSORED ADS 1,073 406 60.75 13,495
RING ENERGY INC COM 1,033 27 2.73 90,400