IMMUNOGEN INC

CUSIP: 45253H101 Class: Common Stock

ORBIMED ADVISORS LLC's Holding History (CIK: 0001055951)

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

Q4 2021
Shares 3,868,786 Value ($000) $28,706 Avg Close — Range —
Q3 2021
Shares 14,897,914 Value ($000) $84,471 Avg Close — Range —
Q2 2021
Shares 12,936,622 Value ($000) $85,252 Avg Close — Range —
Q1 2021
Shares 9,131,822 Value ($000) $73,968 Avg Close — Range —
Q4 2020
Shares 2,553,900 Value ($000) $16,473 Avg Close — Range —
Q4 2019
Shares 286,800 Value ($000) $1,464 Avg Close — Range —
Q3 2018
Shares 1,469,189 Value ($000) $13,913 Avg Close — Range —
Q2 2018
Shares 2,904,270 Value ($000) $28,259 Avg Close — Range —
Q1 2018
Shares 1,504,270 Value ($000) $15,825 Avg Close — Range —
Q4 2017
Shares 2,834,126 Value ($000) $18,167 Avg Close — Range —
Q3 2017
Shares 5,450,581 Value ($000) $41,697 Avg Close — Range —
Q2 2017
Shares 3,938,272 Value ($000) $28,001 Avg Close — Range —
Q1 2017
Shares 6,095,647 Value ($000) $23,590 Avg Close — Range —
Q4 2016
Shares 6,095,647 Value ($000) $12,435 Avg Close — Range —
Q3 2016
Shares 6,095,647 Value ($000) $16,336 Avg Close — Range —
Q2 2016
Shares 6,095,647 Value ($000) $18,775 Avg Close — Range —
Q1 2016
Shares 6,095,647 Value ($000) $51,935 Avg Close — Range —
Q4 2015
Shares 6,095,647 Value ($000) $82,718 Avg Close — Range —
Q3 2015
Shares 3,594,000 Value ($000) $34,502 Avg Close — Range —
Q2 2015
Shares 1,030,000 Value ($000) $14,811 Avg Close — Range —