ImmunoGen, Inc.

JPMORGAN CHASE & CO

Report date

12/31/2023

Quarter

2023 Q4

Filed

2/12/2024

Shares

2,063,254

Value ($000)

61,175

Weight

0.0%

2019 Q4 - 2023 Q4 (17 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	2/12/2024	61,175	0.0%	2,063,254	12/31/2023
2023 Q3	11/14/2023	34,889	0.0%	2,198,427	9/30/2023
2023 Q2	8/11/2023	16,274	0.0%	862,422	6/30/2023
2023 Q1	5/18/2023	3,720	0.0%	968,733	3/31/2023
2022 Q4	2/13/2023	1,074	0.0%	216,467	12/31/2022
2022 Q3	11/14/2022	638	0.0%	133,504	9/30/2022
2022 Q2	8/11/2022	568	0.0%	126,052	6/30/2022
2022 Q1	5/11/2022	598	0.0%	125,573	3/31/2022
2021 Q4	2/11/2022	709	0.0%	95,461	12/31/2021
2021 Q3	11/12/2021	500	0.0%	88,270	9/30/2021
2021 Q2	8/12/2021	573	0.0%	87,012	6/30/2021
2021 Q1	5/12/2021	587	0.0%	72,478	3/31/2021
2020 Q4	2/19/2021	562	0.0%	87,087	12/31/2020
2020 Q3	11/12/2020	246	0.0%	69,290	9/30/2020
2020 Q2	8/11/2020	280	0.0%	61,049	6/30/2020
2020 Q1	5/12/2020	197	0.0%	57,835	3/31/2020
2019 Q4	2/11/2020	1,916	0.0%	375,454	12/31/2019