ImmunoGen, Inc.

TEACHER RETIREMENT SYSTEM OF TEXAS

Report date

12/31/2023

Quarter

2023 Q4

Filed

2/7/2024

Shares

54,685

Value ($000)

1,621

Weight

0.0%

2013 Q4 - 2023 Q4 (17 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	2/7/2024	1,621	0.0%	54,685	12/31/2023
2023 Q3	10/31/2023	986	0.0%	62,140	9/30/2023
2023 Q2	7/19/2023	1,120	0.0%	59,334	6/30/2023
2023 Q1	5/12/2023	235	0.0%	61,204	3/31/2023
2022 Q4	2/13/2023	298	0.0%	60,155	12/31/2022
2022 Q3	11/3/2022	311	0.0%	65,131	9/30/2022
2022 Q2	8/9/2022	146	0.0%	32,359	6/30/2022
2022 Q1	5/9/2022	197	0.0%	41,474	3/31/2022
2021 Q4	2/10/2022	272	0.0%	36,701	12/31/2021
2021 Q3	11/9/2021	178	0.0%	31,369	9/30/2021
2021 Q2	8/5/2021	153	0.0%	23,199	6/30/2021
2021 Q1	5/11/2021	158	0.0%	19,526	3/31/2021
2020 Q4	2/11/2021	103	0.0%	16,003	12/31/2020
2020 Q3	11/2/2020	36	0.0%	10,023	9/30/2020
2014 Q2	8/5/2014	37	0.0%	3,133	6/30/2014
2014 Q1	5/1/2014	49	0.0%	3,283	3/31/2014
2013 Q4	2/5/2014	47	0.0%	3,181	12/31/2013