ImmunoGen, Inc.

MetLife Investment Management, LLC

Report date

12/31/2023

Quarter

2023 Q4

Filed

4/22/2024

Shares

125,461

Value ($000)

3,720

Weight

0.0%

2018 Q3 - 2023 Q4 (22 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	4/22/2024	3,720	0.0%	125,461	12/31/2023
2023 Q3	5/9/2024	2,030	0.0%	127,894	9/30/2023
2023 Q2	4/29/2024	2,413	0.0%	127,894	6/30/2023
2023 Q1	5/9/2024	424	0.0%	110,444	3/31/2023
2022 Q4	5/10/2024	548	0.0%	110,444	12/31/2022
2022 Q3	5/10/2024	528	0.0%	110,444	9/30/2022
2022 Q2	5/10/2024	453	0.0%	100,777	6/30/2022
2022 Q1	5/10/2024	516	0.0%	108,476	3/31/2022
2021 Q4	5/17/2024	518	0.0%	69,797	12/31/2021
2021 Q3	5/17/2024	336	0.0%	59,241	9/30/2021
2021 Q2	5/17/2024	486	0.0%	73,698	6/30/2021
2021 Q1	5/17/2024	597	0.0%	73,698	3/31/2021
2020 Q4	5/24/2024	383	0.0%	59,332	12/31/2020
2020 Q3	5/24/2024	202	0.0%	56,001	9/30/2020
2020 Q2	5/24/2024	357	0.0%	77,500	6/30/2020
2020 Q1	7/12/2023	264	0.0%	77,500	3/31/2020
2019 Q4	7/12/2023	305	0.0%	59,746	12/31/2019
2019 Q3	7/12/2023	145	0.0%	59,746	9/30/2019
2019 Q2	7/12/2023	130	0.0%	59,746	6/30/2019
2019 Q1	7/13/2023	162	0.0%	59,746	3/31/2019
2018 Q4	7/13/2023	287	0.0%	59,746	12/31/2018
2018 Q3	7/13/2023	566	0.0%	59,746	9/30/2018