Historical shareholding details of Wellington Global Health Care Equity holdings in Immunogen, Inc. (IMGN)

Monthly changes of Wellington Global Health Care Equity shareholding in Immunogen, Inc. over the previous months

Month	Name	Total no. shares held	Percent Holding
Month	Name	Total no. shares held	Percent Holding
Dec 31, 2023	Wellington Global Health Care Equity	313,457	0.11%

Nov 30, 2023	Wellington Global Health Care Equity	665,728	0.25%

Oct 31, 2023	Wellington Global Health Care Equity	670,568	0.25%

Sep 30, 2023	Wellington Global Health Care Equity	690,658	0.28%

Aug 31, 2023	Wellington Global Health Care Equity	702,043	0.28%

Jul 31, 2023	Wellington Global Health Care Equity	727,223	0.29%

Jun 30, 2023	Wellington Global Health Care Equity	749,918	0.30%

May 31, 2023	Wellington Global Health Care Equity	1,069,421	0.42%

Apr 30, 2023	Wellington Global Health Care Equity	1,489,491	0.66%