IMMUNOGEN INC

CUSIP: 45253H101 Class: Common Stock

PLATINUM INVESTMENT MANAGEMENT LTD's Holding History (CIK: 0001256071)

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

Q3 2016
Shares 90,600 Value ($000) $242 Avg Close — Range —
Q2 2016
Shares 90,600 Value ($000) $279 Avg Close — Range —
Q1 2016
Shares 90,600 Value ($000) $771 Avg Close — Range —
Q4 2015
Shares 90,600 Value ($000) $1,229 Avg Close — Range —
Q3 2015
Shares 90,600 Value ($000) $869 Avg Close — Range —
Q2 2015
Shares 90,600 Value ($000) $1,302 Avg Close — Range —
Q1 2015
Shares 90,600 Value ($000) $810 Avg Close — Range —
Q4 2014
Shares 90,600 Value ($000) $552 Avg Close — Range —
Q3 2014
Shares 90,600 Value ($000) $959 Avg Close — Range —
Q2 2014
Shares 90,600 Value ($000) $1,073 Avg Close — Range —
Q1 2014
Shares 73,600 Value ($000) $1,098 Avg Close — Range —
Q4 2013
Shares 73,600 Value ($000) $1,079 Avg Close — Range —
Q3 2013
Shares 73,600 Value ($000) $1,252 Avg Close — Range —
Q2 2013
Shares 73,600 Value ($000) $1,221 Avg Close — Range —