ImmunoGen, Inc.

D. E. Shaw & Co., Inc.

Report date

12/31/2023

Quarter

2023 Q4

Filed

2/14/2024

Shares

4,522,797

Value ($000)

134,101

Weight

0.2%

2019 Q4 - 2023 Q4 (16 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	2/14/2024	134,101	0.2%	4,522,797	12/31/2023
2023 Q3	11/14/2023	111,014	0.2%	6,995,239	9/30/2023
2023 Q2	8/14/2023	118,513	0.2%	6,280,516	6/30/2023
2022 Q4	2/14/2023	2,407	0.0%	485,378	12/31/2022
2022 Q3	11/14/2022	3,246	0.0%	679,132	9/30/2022
2022 Q2	8/15/2022	4,396	0.0%	976,927	6/30/2022
2022 Q1	5/16/2022	5,958	0.0%	1,251,677	3/31/2022
2021 Q4	2/14/2022	13,784	0.0%	1,857,706	12/31/2021
2021 Q3	11/15/2021	11,829	0.0%	2,086,235	9/30/2021
2021 Q2	8/16/2021	14,325	0.0%	2,173,782	6/30/2021
2021 Q1	5/17/2021	14,833	0.0%	1,831,244	3/31/2021
2020 Q4	2/16/2021	8,099	0.0%	1,255,682	12/31/2020
2020 Q3	11/16/2020	5,909	0.0%	1,641,416	9/30/2020
2020 Q2	8/14/2020	11,788	0.0%	2,562,656	6/30/2020
2020 Q1	5/15/2020	7,987	0.0%	2,342,250	3/31/2020
2019 Q4	2/14/2020	13,038	0.0%	2,553,910	12/31/2019