IMMUNOGEN INC

CUSIP: 45253H101 Class: Common Stock

DIMENSIONAL FUND ADVISORS LP's Holding History (CIK: 0000354204)

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

Q4 2023
Shares 454,213 Value ($000) $13,468 Avg Close — Range —
Q3 2023
Shares 1,180,744 Value ($000) $18,739 Avg Close — Range —
Q2 2023
Shares 1,189,219 Value ($000) $22,440 Avg Close — Range —
Q1 2023
Shares 1,191,797 Value ($000) $4,576 Avg Close — Range —
Q4 2022
Shares 2,404,056 Value ($000) $12 Avg Close — Range —
Q3 2022
Shares 2,540,851 Value ($000) $12,145 Avg Close — Range —
Q2 2022
Shares 1,611,076 Value ($000) $7,249 Avg Close — Range —
Q4 2021
Shares 20,517 Value ($000) $152 Avg Close — Range —
Q3 2021
Shares 123,226 Value ($000) $699 Avg Close — Range —
Q2 2021
Shares 529,821 Value ($000) $3,492 Avg Close — Range —
Q4 2014
Shares 1,100 Value ($000) $7 Avg Close — Range —
Q3 2014
Shares 1,100 Value ($000) $12 Avg Close — Range —
Q2 2014
Shares 1,100 Value ($000) $13 Avg Close — Range —
Q1 2014
Shares 1,100 Value ($000) $16 Avg Close — Range —
Q4 2013
Shares 1,250 Value ($000) $18 Avg Close — Range —
Q3 2013
Shares 1,250 Value ($000) $21 Avg Close — Range —
Q2 2013
Shares 1,550 Value ($000) $26 Avg Close — Range —