ImmunoGen, Inc.

PINNACLE ASSOCIATES LTD

Report date

12/31/2023

Quarter

2023 Q4

Filed

1/19/2024

Shares

1,011,792

Value ($000)

30,000

Weight

0.5%

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	1/19/2024	30,000	0.5%	1,011,792	12/31/2023
2023 Q3	10/24/2023	16,126	0.3%	1,016,156	9/30/2023
2023 Q2	7/27/2023	22,831	0.4%	1,209,923	6/30/2023
2023 Q1	5/5/2023	5,094	0.1%	1,326,479	3/31/2023
2022 Q4	2/1/2023	6,614	0.1%	1,333,558	12/31/2022
2022 Q3	11/1/2022	6,448	0.1%	1,348,963	9/30/2022
2022 Q2	8/2/2022	6,257	0.1%	1,390,532	6/30/2022
2022 Q1	5/5/2022	6,686	0.1%	1,404,668	3/31/2022
2021 Q4	2/2/2022	8,801	0.2%	1,186,058	12/31/2021
2021 Q3	10/19/2021	4,887	0.1%	861,882	9/30/2021
2021 Q2	8/2/2021	5,876	0.1%	891,727	6/30/2021
2021 Q1	5/12/2021	7,112	0.1%	878,058	3/31/2021
2020 Q4	1/26/2021	6,291	0.1%	975,418	12/31/2020
2020 Q3	10/23/2020	3,746	0.1%	1,040,431	9/30/2020
2020 Q2	8/14/2020	5,000	0.1%	1,087,034	6/30/2020
2020 Q1	5/13/2020	3,744	0.1%	1,098,005	3/31/2020
2019 Q4	2/3/2020	6,489	0.1%	1,271,187	12/31/2019
2014 Q1	5/14/2014	13,193	0.3%	883,647	3/31/2014
2013 Q4	2/12/2014	13,513	0.3%	921,157	12/31/2013