ImmunoGen, Inc.

Bank of New York Mellon Corp

Report date

12/31/2023

Quarter

2023 Q4

Filed

1/29/2024

Shares

1,063,500

Value ($000)

31,533

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	1/29/2024	31,533	0.0%	1,063,500	12/31/2023
2023 Q3	10/24/2023	28,504	0.0%	1,796,110	9/30/2023
2023 Q2	8/3/2023	20,625	0.0%	1,092,993	6/30/2023
2023 Q1	5/9/2023	3,003	0.0%	782,033	3/31/2023
2022 Q4	2/14/2023	3,915	0.0%	789,306	12/31/2022
2022 Q3	11/14/2022	3,901	0.0%	816,072	9/30/2022
2022 Q2	8/15/2022	3,361	0.0%	746,862	6/30/2022
2022 Q1	5/11/2022	3,803	0.0%	798,902	3/31/2022
2021 Q4	2/11/2022	5,540	0.0%	746,659	12/31/2021
2021 Q3	11/18/2021	4,289	0.0%	756,484	9/30/2021
2021 Q2	8/11/2021	4,516	0.0%	685,309	6/30/2021
2021 Q1	5/13/2021	6,559	0.0%	809,799	3/31/2021
2020 Q4	2/9/2021	5,326	0.0%	825,727	12/31/2020
2020 Q3	11/12/2020	2,819	0.0%	783,083	9/30/2020
2020 Q2	8/12/2020	3,613	0.0%	785,406	6/30/2020
2020 Q1	5/6/2020	2,654	0.0%	778,582	3/31/2020
2019 Q4	2/14/2020	3,698	0.0%	724,428	12/31/2019
2014 Q1	5/14/2014	6,506	0.0%	435,771	3/31/2014
2013 Q4	2/12/2014	6,396	0.0%	435,981	12/31/2013