Immunogen Inc. (IMGN)

Market is closed

Institutional Investors' Holdings

Filing Period:

No.	Name	Shares	Value	% Port
1.	Vanguard Group Inc	25,466,950	$755,095,068	0.01%
2.	Blackrock Inc.	21,824,392	$647,093,212	0.01%
3.	Henderson Group Plc	11,043,986	$327,488,981	0.19%
4.	State Street Corp	8,075,671	$239,443,645	0.01%
5.	Fairmount Funds Management Llc	5,929,592	$175,812,403	18.57%