ImmunoGen, Inc.

BANK OF MONTREAL /CAN/

Report date

12/31/2023

Quarter

2023 Q4

Filed

2/8/2024

Shares

120,073

Value ($000)

3,573

Weight

0.0%

2013 Q3 - 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	2/8/2024	3,573	0.0%	120,073	12/31/2023
2023 Q3	11/1/2023	1,953	0.0%	123,520	9/30/2023
2023 Q2	8/2/2023	6,074	0.0%	321,695	6/30/2023
2023 Q1	6/13/2024	500	0.0%	128,929	3/31/2023
2022 Q4	2/1/2023	460	0.0%	91,869	12/31/2022
2022 Q3	11/10/2022	82	0.0%	15,759	9/30/2022
2022 Q2	8/11/2022	47	0.0%	10,990	6/30/2022
2021 Q4	2/11/2022	4,876	0.0%	652,756	12/31/2021
2021 Q1	5/13/2021	53	0.0%	6,781	3/31/2021
2020 Q4	2/12/2021	202	0.0%	29,360	12/31/2020
2020 Q3	11/12/2020	37	0.0%	8,616	9/30/2020
2020 Q2	8/12/2020	69	0.0%	14,421	6/30/2020
2020 Q1	5/13/2020	2	0.0%	663	3/31/2020
2019 Q4	2/10/2020	97	0.0%	18,959	12/31/2019
2014 Q1	5/15/2014	48	0.0%	3,200	3/31/2014
2013 Q4	1/8/2014	47	0.0%	3,200	12/31/2013
2013 Q3	1/8/2014	55	0.0%	3,236	9/30/2013