IMMUNOGEN INC

CUSIP: 45253H101 Class: Common Stock

SEI INVESTMENTS CO's Holding History (CIK: 0000350894)

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

Q4 2023
Shares 29,106 Value ($000) $863 Avg Close — Range —
Q3 2023
Shares 193,702 Value ($000) $3,074 Avg Close — Range —
Q2 2023
Shares 192,439 Value ($000) $3,631 Avg Close — Range —
Q1 2023
Shares 45,121 Value ($000) $173 Avg Close — Range —
Q1 2019
Shares 540 Value ($000) $1 Avg Close — Range —
Q2 2018
Shares 1,200 Value ($000) $12 Avg Close — Range —
Q1 2018
Shares 1,287 Value ($000) $14 Avg Close — Range —
Q4 2017
Shares 1,341 Value ($000) $9 Avg Close — Range —
Q3 2017
Shares 1,295 Value ($000) $10 Avg Close — Range —
Q2 2017
Shares 1,200 Value ($000) $9 Avg Close — Range —
Q1 2017
Shares 500 Value ($000) $2 Avg Close — Range —
Q4 2016
Shares 500 Value ($000) $1 Avg Close — Range —
Q3 2016
Shares 500 Value ($000) $1 Avg Close — Range —
Q2 2016
Shares 29 Value ($000) $0 Avg Close — Range —
Q3 2015
Shares 41,052 Value ($000) $394 Avg Close — Range —