IMMUNOGEN INC

CUSIP: 45253H101 Class: Common Stock

Assenagon Asset Management S.A.'s Holding History (CIK: 0001546007)

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

Q3 2020
Shares 4,987,334 Value ($000) $17,954 Avg Close — Range —
Q2 2020
Shares 176,321 Value ($000) $811 Avg Close — Range —
Q2 2019
Shares 118,316 Value ($000) $257 Avg Close — Range —
Q3 2018
Shares 61,112 Value ($000) $579 Avg Close — Range —