ImmunoGen, Inc.

GEODE CAPITAL MANAGEMENT, LLC

Report date

12/31/2023

Quarter

2023 Q4

Filed

2/13/2024

Shares

5,382,875

Value ($000)

159,620

Weight

0.0%

2013 Q4 - 2023 Q4 (19 filings)

Shares History

History scope: non-option holdings only (PUT/CALL rows excluded).

All 13F Holders	Filing date	Value ($000s)	% of Holdings	Shares	Reporting period
2023 Q4	2/13/2024	159,620	0.0%	5,382,875	12/31/2023
2023 Q3	11/13/2023	77,772	0.0%	4,899,975	9/30/2023
2023 Q2	8/11/2023	89,681	0.0%	4,752,550	6/30/2023
2023 Q1	5/15/2023	15,511	0.0%	4,039,396	3/31/2023
2022 Q4	2/13/2023	19,041	0.0%	3,839,090	12/31/2022
2022 Q3	11/14/2022	17,720	0.0%	3,707,278	9/30/2022
2022 Q2	8/12/2022	16,586	0.0%	3,685,781	6/30/2022
2022 Q1	5/13/2022	16,609	0.0%	3,489,369	3/31/2022
2021 Q4	2/11/2022	26,317	0.0%	3,546,767	12/31/2021
2021 Q3	11/12/2021	19,359	0.0%	3,414,345	9/30/2021
2021 Q2	8/13/2021	23,938	0.0%	3,632,576	6/30/2021
2021 Q1	5/12/2021	28,486	0.0%	3,516,791	3/31/2021
2020 Q4	2/12/2021	19,650	0.0%	3,046,603	12/31/2020
2020 Q3	11/13/2020	9,976	0.0%	2,771,239	9/30/2020
2020 Q2	8/13/2020	12,857	0.0%	2,795,189	6/30/2020
2020 Q1	5/14/2020	9,324	0.0%	2,734,755	3/31/2020
2019 Q4	2/13/2020	12,354	0.0%	2,420,015	12/31/2019
2014 Q1	5/14/2014	7,172	0.0%	480,420	3/31/2014
2013 Q4	2/14/2014	6,206	0.0%	423,098	12/31/2013