IMMUNOGEN INC

CUSIP: 45253H101 Class: Common Stock

STRS OHIO's Holding History (CIK: 0000820478)

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

Q4 2023
Shares 47,000 Value ($000) $1 Avg Close — Range —
Q3 2023
Shares 29,000 Value ($000) $0 Avg Close — Range —
Q2 2023
Shares 76,600 Value ($000) $1 Avg Close — Range —
Q1 2023
Shares 84,400 Value ($000) $0 Avg Close — Range —
Q4 2022
Shares 84,400 Value ($000) $0 Avg Close — Range —
Q3 2022
Shares 132,000 Value ($000) $630 Avg Close — Range —
Q2 2022
Shares 132,000 Value ($000) $594 Avg Close — Range —
Q1 2022
Shares 128,000 Value ($000) $609 Avg Close — Range —
Q4 2021
Shares 128,000 Value ($000) $949 Avg Close — Range —
Q3 2021
Shares 123,900 Value ($000) $702 Avg Close — Range —
Q2 2021
Shares 129,000 Value ($000) $850 Avg Close — Range —
Q3 2016
Shares 24,100 Value ($000) $64 Avg Close — Range —
Q2 2016
Shares 25,000 Value ($000) $77 Avg Close — Range —
Q1 2016
Shares 25,000 Value ($000) $213 Avg Close — Range —
Q4 2015
Shares 25,000 Value ($000) $339 Avg Close — Range —
Q3 2015
Shares 24,100 Value ($000) $231 Avg Close — Range —