Historical shareholding details of Spartan Small Cap Index Pool holdings in Immunogen, Inc. (IMGN)

Monthly changes of Spartan Small Cap Index Pool shareholding in Immunogen, Inc. over the previous months

Month	Name	Total no. shares held	Percent Holding
Month	Name	Total no. shares held	Percent Holding
Nov 30, 2023	Spartan Small Cap Index Pool	32,479	0.01%

Oct 31, 2023	Spartan Small Cap Index Pool	32,427	0.01%

Sep 30, 2023	Spartan Small Cap Index Pool	32,738	0.01%

Aug 31, 2023	Spartan Small Cap Index Pool	33,195	0.01%

Jul 31, 2023	Spartan Small Cap Index Pool	33,195	0.01%

Jun 30, 2023	Spartan Small Cap Index Pool	33,195	0.01%

May 31, 2023	Spartan Small Cap Index Pool	443	0.00%

Mar 31, 2023	Spartan Small Cap Index Pool	665	0.00%