Berkshire Hathaway Inc

STATE OF MICHIGAN RETIREMENT SYSTEM BRK-B

Report date

12/31/2025

Quarter

2025 Q4

Filed

1/29/2026

Shares

116

Value ($000)

87,557

Weight

0.4%

2013 Q4 - 2025 Q4 (28 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
2025 Q4	1/29/2026	87,557	0.4%	116	12/31/2025
2025 Q3	11/5/2025	87,487	0.4%	116	9/30/2025
2025 Q2	8/5/2025	84,541	0.4%	116	6/30/2025
2025 Q1	4/30/2025	92,619	0.5%	116	3/31/2025
2024 Q4	2/6/2025	78,987	0.4%	116	12/31/2024
2024 Q3	11/4/2024	80,177	0.4%	116	9/30/2024
2024 Q2	7/26/2024	71,020	0.4%	116	6/30/2024
2024 Q1	4/18/2024	73,595	0.4%	116	3/31/2024
2023 Q4	1/23/2024	62,945	0.4%	116	12/31/2023
2023 Q3	10/27/2023	61,651	0.4%	116	9/30/2023
2023 Q2	7/26/2023	60,066	0.4%	116	6/30/2023
2023 Q1	4/28/2023	54,010	0.4%	116	3/31/2023
2022 Q4	1/27/2023	54,370	0.4%	116	12/31/2022
2022 Q3	10/24/2022	47,151	0.3%	116	9/30/2022
2022 Q2	8/8/2022	47,438	0.3%	116	6/30/2022
2022 Q1	5/4/2022	61,355	0.4%	116	3/31/2022
2021 Q4	1/27/2022	52,277	0.3%	116	12/31/2021
2021 Q3	10/27/2021	47,720	0.3%	116	9/30/2021
2021 Q2	7/27/2021	48,558	0.3%	116	6/30/2021
2021 Q1	7/27/2021	44,741	0.3%	116	3/31/2021
2020 Q4	7/27/2021	40,347	0.3%	116	12/31/2020
2020 Q3	10/26/2020	37,120	0.3%	116	9/30/2020
2020 Q2	7/29/2020	31,007	0.3%	116	6/30/2020
2020 Q1	5/1/2020	31,552	0.3%	116	3/31/2020
2019 Q4	1/24/2020	39,392	0.3%	116	12/31/2019
2014 Q2	8/6/2014	22,028	0.2%	116	6/30/2014
2014 Q1	5/6/2014	21,733	0.2%	116	3/31/2014
2013 Q4	2/7/2014	20,636	0.2%	116	12/31/2013