ImmunoGen, Inc.

Hood River Capital Management LLC

Report date

9/30/2023

Quarter

2023 Q3

Filed

11/14/2023

Shares

3,044,485

Value ($000)

48,316

Weight

1.6%

2023 Q2 - 2023 Q3 (2 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 Q3	11/14/2023	48,316	1.6%	3,044,485	9/30/2023
2023 Q2	8/14/2023	56,302	1.7%	2,983,671	6/30/2023