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) 390

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 4.34%
Conglomerates
Consumer Cyclical 6.86%
Consumer/Non-Cyclical 0.19%
Energy 3.84%
Financial 10.08%
Healthcare 18.54%
Services 14.8%
Technology 29.81%
Transportation
Utilities

149 Positions as of 12/31/2014

Company Class Value of Shares ($1,000s) ▼ Change in Value ($1,000s) Change (%) Shares Held
SUCAMPO PHARMACEUTICALS INC CL A 1,124 34 3.10 53,300
SYNERGY RES CORP COM 1,111 -37 (3.24) 89,700
RING ENERGY INC COM 1,036 28 2.73 90,400
POWER SOLUTIONS INTL INC COM NEW 910 New 14,200
RPX CORP COM 884 New 58,800
GULFPORT ENERGY CORP COM NEW 882 -122 (12.14) 18,100
NV5 HLDGS INC COM 838 838 New 41,900
ATRICURE INC COM 814 New 38,000
INOGEN INC COM 776 45 6.09 20,900
SANCHEZ ENERGY CORP COM 770 99 14.78 56,700
VASCULAR SOLUTIONS INC COM 752 236 45.80 21,286
IROBOT CORP COM 749 749 New 21,900
BRIDGE BANCORP INC COM 729 New 28,420
IGI LABS INC COM 656 -149 (18.54) 73,400
MAXLINEAR INC CL A 628 New 72,800
VASCO DATA SEC INTL INC COM 561 561 New 21,861
CENTERSTATE BANKS INC COM 536 New 43,000
RENTRAK CORP COM 517 New 10,300
INVENTURE FOODS INC COM 508 New 58,300
APPLE INC COM 495 38 8.23 3,800