ImmunoGen, Inc.

CITADEL ADVISORS LLC

Report date

12/31/2023

Quarter

2023 Q4

Filed

2/14/2024

Shares

795,458

Value ($000)

23,585

Weight

0.0%

2013 Q4 - 2023 Q4 (18 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	23,585	0.0%	795,458	12/31/2023
2023 Q3	11/14/2023	20,433	0.0%	1,287,542	9/30/2023
2023 Q2	8/14/2023	17,516	0.0%	928,240	6/30/2023
2023 Q1	5/15/2023	3,744	0.0%	975,058	3/31/2023
2022 Q4	2/14/2023	132	0.0%	26,623	12/31/2022
2022 Q3	11/14/2022	6,885	0.0%	1,440,409	9/30/2022
2022 Q2	8/15/2022	8,325	0.0%	1,850,041	6/30/2022
2022 Q1	5/16/2022	3,512	0.0%	737,668	3/31/2022
2021 Q4	2/14/2022	8,423	0.0%	1,135,151	12/31/2021
2021 Q2	8/16/2021	4,109	0.0%	623,564	6/30/2021
2021 Q1	5/21/2021	1,753	0.0%	216,480	3/31/2021
2020 Q4	2/16/2021	11,189	0.0%	1,734,847	12/31/2020
2020 Q3	11/16/2020	2,293	0.0%	636,919	9/30/2020
2020 Q2	8/14/2020	765	0.0%	166,256	6/30/2020
2020 Q1	5/15/2020	2,247	0.0%	659,064	3/31/2020
2019 Q4	2/14/2020	6,541	0.0%	1,281,291	12/31/2019
2014 Q1	5/15/2014	1,462	0.0%	97,943	3/31/2014
2013 Q4	2/14/2014	1,380	0.0%	94,075	12/31/2013