IMMUNOGEN INC

CUSIP: 45253H101 Class: Common Stock

JENNISON ASSOCIATES LLC's Holding History (CIK: 0000053417)

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

Q1 2023
Shares 2,308,596 Value ($000) $8,865 Avg Close — Range —
Q4 2022
Shares 9,140,359 Value ($000) $45,336 Avg Close — Range —
Q3 2022
Shares 6,197,480 Value ($000) $29,624 Avg Close — Range —
Q3 2019
Shares 160,014 Value ($000) $387 Avg Close — Range —
Q2 2019
Shares 621,307 Value ($000) $1,348 Avg Close — Range —
Q1 2019
Shares 1,471,676 Value ($000) $3,988 Avg Close — Range —
Q4 2018
Shares 1,072,821 Value ($000) $5,150 Avg Close — Range —
Q3 2018
Shares 1,173,360 Value ($000) $11,112 Avg Close — Range —
Q2 2018
Shares 1,164,643 Value ($000) $11,332 Avg Close — Range —