IMMUNOGEN INC

CUSIP: 45253H101 Class: Common Stock

ADAGE CAPITAL PARTNERS GP, L.L.C.'s Holding History (CIK: 0001165408)

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

Q4 2023
Shares 971,928 Value ($000) $28,818 Avg Close — Range —
Q3 2023
Shares 200,000 Value ($000) $3,174 Avg Close — Range —
Q2 2023
Shares 650,000 Value ($000) $12,266 Avg Close — Range —
Q1 2023
Shares 17,632,815 Value ($000) $67,710 Avg Close — Range —
Q4 2022
Shares 11,119,000 Value ($000) $55,150 Avg Close — Range —
Q3 2022
Shares 7,900,000 Value ($000) $37,762 Avg Close — Range —
Q2 2022
Shares 11,586,193 Value ($000) $52,138 Avg Close — Range —
Q1 2022
Shares 11,586,193 Value ($000) $55,150 Avg Close — Range —
Q4 2021
Shares 10,286,193 Value ($000) $76,324 Avg Close — Range —
Q3 2021
Shares 7,750,000 Value ($000) $43,943 Avg Close — Range —
Q2 2021
Shares 7,000,000 Value ($000) $46,130 Avg Close — Range —
Q1 2021
Shares 4,500,000 Value ($000) $36,450 Avg Close — Range —
Q4 2020
Shares 2,475,000 Value ($000) $15,964 Avg Close — Range —