IMMUNOGEN INC

CUSIP: 45253H101 Class: Common Stock

D. E. Shaw & Co., Inc.'s Holding History (CIK: 0001009207)

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

Q4 2023
Shares 4,522,797 Value ($000) $134,101 Avg Close — Range —
Q3 2023
Shares 6,995,239 Value ($000) $111,014 Avg Close — Range —
Q2 2023
Shares 6,280,516 Value ($000) $118,513 Avg Close — Range —
Q4 2022
Shares 485,378 Value ($000) $2,407 Avg Close — Range —
Q3 2022
Shares 679,132 Value ($000) $3,246 Avg Close — Range —
Q2 2022
Shares 976,927 Value ($000) $4,396 Avg Close — Range —
Q1 2022
Shares 1,251,677 Value ($000) $5,958 Avg Close — Range —
Q4 2021
Shares 1,857,706 Value ($000) $13,784 Avg Close — Range —
Q3 2021
Shares 2,086,235 Value ($000) $11,829 Avg Close — Range —
Q2 2021
Shares 2,173,782 Value ($000) $14,325 Avg Close — Range —
Q1 2021
Shares 1,831,244 Value ($000) $14,833 Avg Close — Range —
Q4 2020
Shares 1,255,682 Value ($000) $8,099 Avg Close — Range —
Q3 2020
Shares 1,641,416 Value ($000) $5,909 Avg Close — Range —
Q2 2020
Shares 2,562,656 Value ($000) $11,788 Avg Close — Range —
Q1 2020
Shares 2,342,250 Value ($000) $7,987 Avg Close — Range —
Q4 2019
Shares 2,553,910 Value ($000) $13,038 Avg Close — Range —
Q3 2019
Shares 1,290,462 Value ($000) $3,123 Avg Close — Range —
Q2 2019
Shares 494,361 Value ($000) $1,073 Avg Close — Range —
Q1 2019
Shares 483,839 Value ($000) $1,311 Avg Close — Range —
Q2 2018
Shares 11,503 Value ($000) $112 Avg Close — Range —
Q1 2018
Shares 114,433 Value ($000) $1,204 Avg Close — Range —
Q3 2017
Shares 293,748 Value ($000) $2,247 Avg Close — Range —
Q1 2017
Shares 484,908 Value ($000) $1,877 Avg Close — Range —
Q4 2016
Shares 449,256 Value ($000) $917 Avg Close — Range —
Q3 2016
Shares 46,417 Value ($000) $124 Avg Close — Range —
Q1 2016
Shares 91,297 Value ($000) $778 Avg Close — Range —
Q4 2015
Shares 626,129 Value ($000) $8,497 Avg Close — Range —
Q3 2015
Shares 503,405 Value ($000) $4,833 Avg Close — Range —
Q2 2015
Shares 25,006 Value ($000) $360 Avg Close — Range —
Q1 2015
Shares 237,175 Value ($000) $2,122 Avg Close — Range —
Q4 2014
Shares 625,169 Value ($000) $3,814 Avg Close — Range —