ImmunoGen, Inc.

SUSQUEHANNA INTERNATIONAL GROUP, LLP

Report date

12/31/2023

Quarter

2023 Q4

Filed

2/14/2024

Shares

736,034

Value ($000)

21,823

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	2/14/2024	21,823	0.0%	736,034	12/31/2023
2023 Q3	11/14/2023	15,471	0.0%	974,887	9/30/2023
2023 Q2	8/11/2023	24,826	0.0%	1,315,658	6/30/2023
2023 Q1	5/16/2023	2,530	0.0%	658,816	3/31/2023
2022 Q4	2/14/2023	1,610	0.0%	324,636	12/31/2022
2022 Q3	11/14/2022	2,746	0.0%	574,639	9/30/2022
2022 Q2	8/15/2022	1,155	0.0%	256,617	6/30/2022
2022 Q1	5/16/2022	1,884	0.0%	395,685	3/31/2022
2021 Q4	2/14/2022	3,423	0.0%	461,306	12/31/2021
2021 Q3	11/15/2021	1,480	0.0%	261,021	9/30/2021
2021 Q2	8/11/2021	1,691	0.0%	256,547	6/30/2021
2021 Q1	5/17/2021	1,183	0.0%	146,077	3/31/2021
2020 Q4	2/16/2021	275	0.0%	42,711	12/31/2020
2020 Q3	11/16/2020	367	0.0%	102,108	9/30/2020
2020 Q2	8/14/2020	423	0.0%	91,831	6/30/2020
2020 Q1	5/15/2020	616	0.0%	180,641	3/31/2020
2019 Q4	2/14/2020	306	0.0%	60,025	12/31/2019
2014 Q1	5/14/2014	1,876	0.0%	125,654	3/31/2014
2013 Q4	2/13/2014	1,317	0.0%	89,796	12/31/2013