Historical shareholding details of Nuveen Asset Management, LLC holdings in Immunogen, Inc. (IMGN)

Monthly changes of Nuveen Asset Management, LLC shareholding in Immunogen, Inc. over the previous months

Month	Name	Total no. shares held	Percent Holding
Month	Name	Total no. shares held	Percent Holding
Jan 31, 2024	Nuveen Asset Management, Llc	0	0.00%

Dec 31, 2023	Nuveen Asset Management, Llc	98,883	0.04%

Nov 30, 2023	Nuveen Asset Management, Llc	98,883	0.04%

Oct 31, 2023	Nuveen Asset Management, Llc	74,269	0.03%

Sep 30, 2023	Nuveen Asset Management, Llc	3,108,039	1.11%

Jun 30, 2023	Nuveen Asset Management, Llc	2,642,534	1.06%

Mar 31, 2023	Nuveen Asset Management, Llc	3,193,514	1.28%

Dec 31, 2022	Nuveen Asset Management, Llc	1,288,180	0.57%