OBERWEIS ASSET MANAGEMENT INC/ Information

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

Report Date: 12/31/2013

Position Statistics

Total Positions 167
New Positions 29
Increased Positions 92
Decreased Positions 56
Positions with Activity 148
Sold Out Positions 20
Total Mkt Value (in $ millions) 395

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

Sector Weighting

Basic Materials 0.13%
Capital Goods 2.12%
Conglomerates
Consumer Cyclical 2.23%
Consumer/Non-Cyclical 0.1%
Energy 7.69%
Financial 6.52%
Healthcare 10.3%
Services 23.99%
Technology 43.53%
Transportation 0.42%
Utilities

167 Positions as of 12/31/2013

Company Class Value of Shares ($1,000s) ▼ Change in Value ($1,000s) Change (%) Shares Held
AMBARELLA INC SHS 2,463 -333 (11.92) 92,400
CHINA LODGING GROUP LTD SPONSORED ADR 2,413 126 5.51 100,000
LANNET INC COM 2,214 2,214 New 67,200
SINA CORP ORD 2,210 170 8.31 41,700
VINCE HLDG CORP COM 1,982 1,982 New 78,400
EHEALTH INC COM 1,963 394 25.14 44,300
GRAND CANYON ED INC COM 1,951 73 3.89 42,700
EPL OIL & GAS INC COM 1,877 690 58.17 48,400
BANCORP INC DEL COM 1,771 -199 (10.09) 97,128
AVG TECHNOLOGIES N V SHS 1,684 -4,482 (72.7) 87,685
DEALERTRACK TECHNOLOGIES INC COM 1,675 87 5.46 38,600
DIAMONDBACK ENERGY INC COM 1,671 352 26.74 23,700
ROADRUNNER TRNSN SVCS HLDG INC COM 1,668 -6,532 (79.66) 67,030
8X8 INC NEW COM 1,622 125 8.38 155,200
RING ENERGY INC COM 1,602 1,602 New 90,000
OMNICELL INC COM 1,555 -127 (7.54) 57,600
AUTOHOME INC SP ADR RP CL A 1,426 1,426 New 40,000
SPDR S&P 500 ETF TR TR UNIT 1,415 -298 (17.39) 7,600
IPG PHOTONICS CORP COM 1,406 439 45.39 18,900
RPX CORP COM 1,404 904 180.66 85,600