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) 360

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

Sector Weighting

Basic Materials 0.07%
Capital Goods 4.44%
Conglomerates
Consumer Cyclical 6.22%
Consumer/Non-Cyclical 0.23%
Energy 4.1%
Financial 10.38%
Healthcare 18.64%
Services 14.41%
Technology 30.1%
Transportation
Utilities

149 Positions as of 12/31/2014

Company Class Value of Shares ($1,000s) ▼ Change in Value ($1,000s) Change (%) Shares Held
CHINACACHE INTL HLDG LTD SPON ADR 953 -1,954 (67.21) 100,000
RPX CORP COM 878 New 58,800
RING ENERGY INC COM 863 23 2.73 90,400
IGI LABS INC COM 840 -191 (18.54) 73,400
GULFPORT ENERGY CORP COM NEW 824 -114 (12.14) 18,100
POWER SOLUTIONS INTL INC COM NEW 821 New 14,200
IROBOT CORP COM 733 733 New 21,900
SUCAMPO PHARMACEUTICALS INC CL A 725 22 3.10 53,300
BRIDGE BANCORP INC COM 710 New 28,420
INOGEN INC COM 703 40 6.09 20,900
SANCHEZ ENERGY CORP COM 697 90 14.78 56,700
ATRICURE INC COM 675 New 38,000
VASCULAR SOLUTIONS INC COM 628 197 45.80 21,286
MAXLINEAR INC CL A 620 New 72,800
INVENTURE FOODS INC COM 613 New 58,300
RENTRAK CORP COM 601 New 10,300
NV5 HLDGS INC COM 564 564 New 41,900
CENTERSTATE BANKS INC COM 513 New 43,000
VASCO DATA SEC INTL INC COM 510 510 New 21,861
AAC HLDGS INC COM 504 504 New 14,700