IMMUNOGEN INC

CUSIP: 45253H101 Class: Common Stock

Sio Capital Management, LLC's Holding History (CIK: 0001482416)

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

Q4 2023
Shares 644,366 Value ($000) $19,105 Avg Close — Range —
Q3 2023
Shares 232,751 Value ($000) $3,694 Avg Close — Range —
Q2 2023
Shares 245,921 Value ($000) $4,641 Avg Close — Range —