IMMUNOGEN INC

CUSIP: 45253H101 Class: Common Stock

Rafferty Asset Management, LLC's Holding History (CIK: 0001389426)

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

Q4 2023
Shares 307,369 Value ($000) $9,113 Avg Close — Range —
Q3 2023
Shares 566,985 Value ($000) $8,998 Avg Close — Range —
Q2 2023
Shares 337,286 Value ($000) $6,365 Avg Close — Range —
Q1 2023
Shares 1,367,970 Value ($000) $5,253 Avg Close — Range —
Q4 2022
Shares 1,368,213 Value ($000) $6,786 Avg Close — Range —
Q3 2022
Shares 947,451 Value ($000) $4,529 Avg Close — Range —
Q2 2022
Shares 748,016 Value ($000) $3,366 Avg Close — Range —
Q1 2022
Shares 852,884 Value ($000) $4,060 Avg Close — Range —
Q4 2021
Shares 413,034 Value ($000) $3,065 Avg Close — Range —
Q3 2021
Shares 303,293 Value ($000) $1,720 Avg Close — Range —
Q2 2021
Shares 402,546 Value ($000) $2,653 Avg Close — Range —
Q1 2021
Shares 377,762 Value ($000) $3,060 Avg Close — Range —
Q4 2020
Shares 79,515 Value ($000) $513 Avg Close — Range —
Q3 2020
Shares 229,120 Value ($000) $825 Avg Close — Range —
Q2 2020
Shares 101,187 Value ($000) $465 Avg Close — Range —
Q1 2020
Shares 14,641 Value ($000) $50 Avg Close — Range —
Q4 2019
Shares 124,313 Value ($000) $635 Avg Close — Range —
Q3 2019
Shares 319,989 Value ($000) $774 Avg Close — Range —
Q1 2019
Shares 722,765 Value ($000) $1,959 Avg Close — Range —