IMMUNOGEN INC

CUSIP: 45253H101 Class: Common Stock

FRED ALGER MANAGEMENT, LLC's Holding History (CIK: 0000003520)

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

Q4 2023
Shares 208,660 Value ($000) $6,187 Avg Close — Range —
Q3 2023
Shares 354,859 Value ($000) $5,632 Avg Close — Range —
Q2 2023
Shares 38,658 Value ($000) $729 Avg Close — Range —
Q4 2015
Shares 23,950 Value ($000) $325 Avg Close — Range —