INVESTMENT TECHNOLOGY GRP NE

CUSIP: 46145F105 Class: COMMON STOCK

FRONTIER CAPITAL MANAGEMENT CO LLC's Holding History (CIK: 0000351173)

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

Q4 2017
Shares 822,790 Value ($000) $15,839 Avg Close — Range —
Q3 2017
Shares 2,006,544 Value ($000) $44,425 Avg Close — Range —
Q2 2017
Shares 1,963,983 Value ($000) $41,715 Avg Close — Range —
Q1 2017
Shares 1,963,951 Value ($000) $39,770 Avg Close — Range —
Q4 2016
Shares 1,904,395 Value ($000) $37,593 Avg Close — Range —
Q3 2016
Shares 1,775,057 Value ($000) $30,424 Avg Close — Range —
Q2 2016
Shares 1,674,442 Value ($000) $27,997 Avg Close — Range —
Q1 2016
Shares 2,189,737 Value ($000) $48,393 Avg Close — Range —
Q4 2015
Shares 2,049,215 Value ($000) $34,878 Avg Close — Range —
Q3 2015
Shares 624,836 Value ($000) $8,335 Avg Close — Range —