IMMUNOGEN INC

CUSIP: 45253H101 Class: Common Stock

JANUS HENDERSON GROUP PLC's Holding History (CIK: 0001274173)

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

Q4 2023
Shares 11,043,986 Value ($000) $327,489 Avg Close — Range —
Q3 2023
Shares 17,684,816 Value ($000) $280,640 Avg Close — Range —
Q2 2023
Shares 15,499,788 Value ($000) $292,387 Avg Close — Range —
Q1 2023
Shares 16,450,081 Value ($000) $63,193 Avg Close — Range —
Q4 2022
Shares 3,147,576 Value ($000) $15,596 Avg Close — Range —
Q3 2022
Shares 1,310,492 Value ($000) $6,271 Avg Close — Range —
Q2 2022
Shares 220,360 Value ($000) $993 Avg Close — Range —
Q1 2022
Shares 1,238,327 Value ($000) $5,888 Avg Close — Range —
Q4 2021
Shares 423,863 Value ($000) $3,141 Avg Close — Range —
Q3 2021
Shares 19,665 Value ($000) $112 Avg Close — Range —