ImmunoGen, Inc.

AQR Arbitrage LLC

Report date

12/31/2023

Quarter

2023 Q4

Filed

2/14/2024

Shares

1,429,078

Value ($000)

42,372

Weight

1.7%

2023 Q4 - 2023 Q4 (1 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	42,372	1.7%	1,429,078	12/31/2023