IMMUNOGEN INC

CUSIP: 45253H101 Class: Common Stock

Avidity Partners Management LP's Holding History (CIK: 0001791827)

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

Q4 2023
Shares 1,829,215 Value ($000) $54,236 Avg Close — Range —
Q3 2023
Shares 1,917,907 Value ($000) $30,437 Avg Close — Range —
Q2 2023
Shares 1,997,800 Value ($000) $37,698 Avg Close — Range —