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

149 Positions as of 12/31/2014

Company Class Value of Shares ($1,000s) ▼ Change in Value ($1,000s) Change (%) Shares Held
INPHI CORP COM 2,025 1,139 128.67 99,700
BAIDU INC SPON ADR REP A 2,014 787 64.13 10,340
CANADIAN SOLAR INC COM 1,844 -1,907 (50.85) 51,330
NOAH HLDGS LTD SPONSORED ADS 1,806 1,806 New 53,500
SPDR S&P 500 ETF TR TR UNIT 1,588 New 7,600
DEALERTRACK TECHNOLOGIES INC COM 1,572 -40 (2.49) 39,220
AMBARELLA INC SHS 1,567 -2,668 (63) 21,611
PLANAR SYS INC COM 1,502 1,502 New 254,220
CHINACACHE INTL HLDG LTD SPON ADR 1,424 -2,919 (67.21) 100,000
SPECTRANETICS CORP COM 1,405 -76 (5.11) 53,900
ACADIA HEALTHCARE COMPANY INC COM 1,401 -88 (5.94) 20,600
RETAILMENOT INC COM SER 1 1,391 -7,749 (84.78) 69,233
OMNICELL INC COM 1,389 New 40,400
ZELTIQ AESTHETICS INC COM 1,325 854 181.33 42,200
PAYCOM SOFTWARE INC COM 1,219 1,219 New 38,900
SUPER MICRO COMPUTER INC COM 1,141 -93 (7.55) 39,200
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
SYNERGY RES CORP COM 1,071 -36 (3.24) 89,700
CONSUMER PORTFOLIO SVCS INC COM 1,065 -305 (22.3) 168,170


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