IMMUNOGEN INC

CUSIP: 45253H101 Class: Common Stock

Rhenman & Partners Asset Management AB's Holding History (CIK: 0001599882)

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

Q3 2023
Shares 700,000 Value ($000) $11,109 Avg Close — Range —
Q2 2023
Shares 750,000 Value ($000) $14,153 Avg Close — Range —
Q1 2023
Shares 1,250,000 Value ($000) $4,638 Avg Close — Range —
Q4 2022
Shares 1,500,000 Value ($000) $7,440 Avg Close — Range —
Q3 2022
Shares 1,100,000 Value ($000) $6,534 Avg Close — Range —
Q2 2022
Shares 1,200,000 Value ($000) $5,400 Avg Close — Range —
Q1 2022
Shares 1,425,000 Value ($000) $6,783 Avg Close — Range —
Q4 2021
Shares 1,500,000 Value ($000) $11,175 Avg Close — Range —
Q3 2021
Shares 1,218,850 Value ($000) $6,911 Avg Close — Range —
Q2 2021
Shares 1,218,850 Value ($000) $8,032 Avg Close — Range —
Q1 2021
Shares 550,000 Value ($000) $4,455 Avg Close — Range —
Q3 2014
Shares 180,000 Value ($000) $1,906 Avg Close — Range —
Q2 2014
Shares 98,702 Value ($000) $1,170 Avg Close — Range —
Q1 2014
Shares 73,702 Value ($000) $1,100 Avg Close — Range —
Q4 2013
Shares 100,000 Value ($000) $1,467 Avg Close — Range —