IMMUNOGEN INC

CUSIP: 45253H101 Class: Common Stock

FIRST TRUST ADVISORS LP's Holding History (CIK: 0001125816)

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

Q4 2023
Shares 307,539 Value ($000) $9,119 Avg Close — Range —
Q3 2021
Shares 77,992 Value ($000) $442 Avg Close — Range —
Q2 2021
Shares 586,115 Value ($000) $3,862 Avg Close — Range —
Q3 2018
Shares 285,406 Value ($000) $2,703 Avg Close — Range —
Q2 2018
Shares 369,528 Value ($000) $3,596 Avg Close — Range —
Q3 2014
Shares 5,811,998 Value ($000) $61,549 Avg Close — Range —
Q2 2014
Shares 4,121,730 Value ($000) $48,843 Avg Close — Range —
Q1 2014
Shares 3,608,918 Value ($000) $53,881 Avg Close — Range —
Q4 2013
Shares 2,594,948 Value ($000) $38,068 Avg Close — Range —
Q3 2013
Shares 2,129,920 Value ($000) $36,251 Avg Close — Range —
Q2 2013
Shares 1,635,948 Value ($000) $27,140 Avg Close — Range —