Attached files

file filename
EX-32 - EX-32 - ImmunoGen, Inc.imgn-20171231xex32.htm
EX-31.2 - EX-31.2 - ImmunoGen, Inc.imgn-20171231ex31281bffb.htm
EX-31.1 - EX-31.1 - ImmunoGen, Inc.imgn-20171231ex311d0bd59.htm
EX-23 - EX-23 - ImmunoGen, Inc.imgn-20171231xex23.htm
EX-10.30 - EX-10.30 - ImmunoGen, Inc.imgn-20171231ex103054e89.htm
10-K - 10-K - ImmunoGen, Inc.imgn-20171231x10k.htm

Exhibit 21

SUBSIDIARIES

Name

Jurisdiction of Organization

Hurricane, LLC

Massachusetts

ImmunoGen (Bermuda) Ltd.

Bermuda

ImmunoGen Europe Limited

United Kingdom

ImmunoGen Securities Corp.

Massachusetts