ImmunoGen, Inc.

RHUMBLINE ADVISERS

Report date

12/31/2023

Quarter

2023 Q4

Filed

2/8/2024

Shares

361,594

Value ($000)

10,721

Weight

0.0%

2013 Q4 - 2023 Q4 (20 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	2/8/2024	10,721	0.0%	361,594	12/31/2023
2023 Q3	11/9/2023	5,783	0.0%	364,396	9/30/2023
2023 Q2	8/8/2023	6,868	0.0%	363,947	6/30/2023
2023 Q1	5/11/2023	1,231	0.0%	320,502	3/31/2023
2022 Q4	2/14/2023	1,600	0.0%	322,548	12/31/2022
2022 Q3	11/10/2022	1,526	0.0%	319,328	9/30/2022
2022 Q2	8/11/2022	1,344	0.0%	298,672	6/30/2022
2022 Q1	5/12/2022	1,200	0.0%	252,088	3/31/2022
2021 Q4	2/10/2022	1,991	0.0%	268,320	12/31/2021
2021 Q3	11/12/2021	1,540	0.0%	271,606	9/30/2021
2021 Q2	8/5/2021	1,760	0.0%	267,019	6/30/2021
2021 Q1	5/6/2021	2,290	0.0%	282,692	3/31/2021
2020 Q4	2/10/2021	1,882	0.0%	291,725	12/31/2020
2020 Q3	11/12/2020	932	0.0%	258,927	9/30/2020
2020 Q2	8/13/2020	1,333	0.0%	289,701	6/30/2020
2020 Q1	5/6/2020	782	0.0%	229,317	3/31/2020
2019 Q4	2/5/2020	1,067	0.0%	208,965	12/31/2019
2014 Q2	8/6/2014	1,060	0.0%	89,432	6/30/2014
2014 Q1	5/6/2014	1,494	0.0%	100,037	3/31/2014
2013 Q4	2/3/2014	1,527	0.0%	104,057	12/31/2013