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) 376

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 4.72%
Conglomerates 0.12%
Consumer Cyclical 7.16%
Consumer/Non-Cyclical 4.58%
Energy 1.9%
Financial 8.51%
Healthcare 22.16%
Services 14.32%
Technology 22.84%
Transportation 0.5%
Utilities

207 Positions as of 03/31/2015

Company Class Value of Shares ($1,000s) Change in Value ($1,000s) ▲ Change (%) Shares Held
INTERACTIVE INTELLIGENCE GROUP COM 373 -6,610 (94.66) 8,380
8X8 INC NEW COM 641 -5,608 (89.74) 71,560
21VIANET GROUP INC SPONSORED ADR 6,155 -4,722 (43.41) 299,959
FINANCIAL ENGINES INC COM 6,355 -4,516 (41.54) 149,600
VIPSHOP HLDGS LTD SPONSORED ADR 11,073 -4,176 (27.39) 497,680
SYNAPTICS INC COM 9,845 -3,903 (28.39) 113,506
LIGAND PHARMACEUTICALS INC COM NEW 12,652 -3,733 (22.79) 125,387
LOGMEIN INC COM 7,721 -3,667 (32.2) 119,730
YY INC ADS REPCOM CLA -3,546 Sold Out 0
G-III APPAREL GROUP LTD COM 8,910 -3,405 (27.65) 126,648
BONANZA CREEK ENERGY INC COM 3,312 -2,550 (43.5) 181,477
ASTRONICS CORP COM 5,965 -2,495 (29.49) 84,148
STRATASYS LTD SHS -2,464 Sold Out 0
AMBARELLA INC SHS -2,219 Sold Out 0
CALLIDUS SOFTWARE INC COM 6,853 -2,201 (24.31) 439,829
VINCE HLDG CORP COM -2,063 Sold Out 0
DEALERTRACK TECHNOLOGIES INC COM 496 -1,967 (79.86) 7,900
SKECHERS U S A INC CL A 11,310 -1,959 (14.76) 103,013
IKANG HEALTHCARE GROUP INC SPONSORED ADR 4,421 -1,942 (30.52) 228,600
MAXIMUS INC COM 657 -1,926 (74.56) 10,000