INVESTMENT TECHNOLOGY GRP NE

CUSIP: 46145F105 Class: COMMON STOCK

OBERWEIS ASSET MANAGEMENT INC/'s Holding History (CIK: 0000937886)

Note: Option positions (PUT/CALL) are excluded.

Q2 2015
Shares 23,400 Value ($000) $580 Avg Close — Range —
Q1 2015
Shares 20,500 Value ($000) $621 Avg Close — Range —