IMMUNOGEN INC

CUSIP: 45253H101 Class: Common Stock

Paloma Partners Management Co's Holding History (CIK: 0001103882)

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

Q2 2019
Shares 51,400 Value ($000) $112 Avg Close — Range —
Q1 2018
Shares 27,263 Value ($000) $287 Avg Close — Range —
Q4 2017
Shares 38,838 Value ($000) $249 Avg Close — Range —
Q4 2016
Shares 66,414 Value ($000) $135 Avg Close — Range —