OBERWEIS ASSET MANAGEMENT INC/ Information

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

Report Date: 03/31/2015

Position Statistics

Total Positions 207
New Positions 80
Increased Positions 99
Decreased Positions 98
Positions with Activity 197
Sold Out Positions 39
Total Mkt Value (in $ millions) 372

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

Sector Weighting

Basic Materials 0.17%
Capital Goods 4.69%
Conglomerates 0.12%
Consumer Cyclical 7.28%
Consumer/Non-Cyclical 4.68%
Energy 1.9%
Financial 8.55%
Healthcare 22.06%
Services 14.28%
Technology 22.81%
Transportation 0.51%
Utilities

207 Positions as of 03/31/2015

Company Class Value of Shares ($1,000s) ▼ Change in Value ($1,000s) Change (%) Shares Held
ABIOMED INC COM 6,681 6,681 New 102,270
SYNCHRONOSS TECHNOLOGIES INC COM 6,675 -1,313 (16.43) 144,115
FINANCIAL ENGINES INC COM 6,280 -4,463 (41.54) 149,600
CHINA BIOLOGIC PRODS INC COM 6,266 691 12.40 56,200
CARDIOVASCULAR SYS INC DEL COM 6,215 -410 (6.19) 233,986
21VIANET GROUP INC SPONSORED ADR 5,894 -4,521 (43.41) 299,959
ASTRONICS CORP COM 5,826 -2,437 (29.49) 84,148
METHODE ELECTRS INC COM 5,033 -1,189 (19.11) 181,092
COMSCORE INC COM 4,490 4,490 New 84,860
ANI PHARMACEUTICALS INC COM 4,425 3,400 331.76 72,535
WAGEWORKS INC COM 4,279 -508 (10.61) 106,381
IKANG HEALTHCARE GROUP INC SPONSORED ADR 4,234 -1,859 (30.52) 228,600
RUBICON PROJ INC COM 4,211 2,468 141.53 282,830
INSPERITY INC COM 3,819 3,819 New 75,600
BONANZA CREEK ENERGY INC COM 3,258 -2,508 (43.5) 181,477
ZELTIQ AESTHETICS INC COM 2,648 1,391 110.66 88,900
CHINA DISTANCE ED HLDGS LTD SPONS ADR 2,620 185 7.60 168,500
QIHOO 360 TECHNOLOGY CO LTD ADS 2,349 2,349 New 35,000
NV5 HLDGS INC COM 2,345 1,330 131.03 96,800
PIXELWORKS INC COM NEW 2,228 -1,370 (38.08) 399,980