OBERWEIS ASSET MANAGEMENT INC/ Information

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

Report Date: 09/30/2014

Position Statistics

Total Positions 155
New Positions 18
Increased Positions 55
Decreased Positions 94
Positions with Activity 149
Sold Out Positions 23
Total Mkt Value (in $ millions) 352

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

Sector Weighting

Basic Materials 0.05%
Capital Goods 4.22%
Conglomerates
Consumer Cyclical 5.53%
Consumer/Non-Cyclical 0.23%
Energy 3.45%
Financial 9.22%
Healthcare 15.34%
Services 15.78%
Technology 36.14%
Transportation
Utilities

155 Positions as of 09/30/2014

Company ▲ Class Value of Shares ($1,000s) Change in Value ($1,000s) Change (%) Shares Held
21VIANET GROUP INC SPONSORED ADR 10,189 2,429 31.30 615,639
500 COM LTD SPON ADR REP A 5,013 235 4.92 292,820
8X8 INC NEW COM 5,505 972 21.46 713,974
ACADIA HEALTHCARE COMPANY INC COM 1,265 -23 (1.79) 21,900
ALIBABA GROUP HLDG LTD SPONSORED ADS 748 748 New 8,395
ALLIANCE FIBER OPTIC PRODS INC COM NEW 404 -285 (41.39) 27,900
AMBARELLA INC SHS 3,230 -957 (22.85) 58,400
AMGEN INC COM 446 -6 (1.31) 2,930
ANIKA THERAPEUTICS INC COM 605 -476 (44.02) 15,450
APPLE INC COM 411 -2 (0.48) 3,511
ASTRO-MED INC NEW COM 208 -88 (29.8) 13,900
ASTRONICS CORP CL B -1,228 Sold Out 0
ASTRONICS CORP COM 6,801 1,713 33.67 122,120
ATRICURE INC COM 754 36 4.97 38,000
ATTUNITY LTD SHS NEW 519 -316 (37.87) 56,610
AUTOBYTEL INC COM NEW -460 Sold Out 0
BAIDU INC SPON ADR REP A 1,373 1,373 New 6,300
BANK NEW YORK MELLON CORP COM 246 .02 6,821
BHP BILLITON PLC SPONSORED ADR 178 .12 4,063
BITAUTO HLDGS LTD SPONSORED ADS 5,456 12 .22 91,200


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