Historical shareholding details of Schwab Small Cap Index Fund® holdings in Immunogen, Inc. (IMGN)

Monthly changes of Schwab Small Cap Index Fund® 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	Schwab Small Cap Index Fund®	554,671	0.20%

Nov 30, 2023	Schwab Small Cap Index Fund®	558,722	0.21%

Oct 31, 2023	Schwab Small Cap Index Fund®	557,603	0.21%

Sep 30, 2023	Schwab Small Cap Index Fund®	555,722	0.22%

Aug 31, 2023	Schwab Small Cap Index Fund®	561,653	0.23%

Jul 31, 2023	Schwab Small Cap Index Fund®	559,829	0.22%

Jun 30, 2023	Schwab Small Cap Index Fund®	558,242	0.22%

May 31, 2023	Schwab Small Cap Index Fund®	550,361	0.22%

Apr 30, 2023	Schwab Small Cap Index Fund®	491,086	0.22%