Harbor Advisors’s Berkshire Hathaway Class A BRK.A Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Shares Change %	Capital Flow	Portfolio Weight	Portfolio Position
2025 Q2	$729K	Hold	1	–	–	0.12%	93
2025 Q1	$798K	Hold	1	–	–	0.14%	85
2024 Q4	$681K	Hold	1	–	–	0.11%	96
2024 Q3	$691K	Hold	1	–	–	0.12%	91
2024 Q2	$612K	Hold	1	–	–	0.11%	93
2024 Q1	$634K	Hold	1	–	–	0.12%	95
2023 Q4	$543K	Hold	1	–	–	0.1%	98
2023 Q3	$531K	Hold	1	–	–	0.11%	91
2023 Q2	$518K	Hold	1	–	–	0.11%	84
2023 Q1	$466K	Hold	1	–	–	0.11%	90
2022 Q4	$469K	Hold	1	–	–	0.12%	90
2022 Q3	$406K	Hold	1	–	–	0.11%	93
2022 Q2	$409K	Hold	1	–	–	0.1%	101
2022 Q1	$529K	Hold	1	–	–	0.11%	92
2021 Q4	$451K	Hold	1	–	–	0.08%	105
2021 Q3	$411K	Hold	1	–	–	0.08%	106
2021 Q2	$419K	Hold	1	–	–	0.08%	108
2021 Q1	$386K	Hold	1	–	–	0.09%	109
2020 Q4	$348K	Hold	1	–	–	0.08%	108
2020 Q3	$320K	Hold	1	–	–	0.08%	93
2020 Q2	$267K	Hold	1	–	–	0.07%	111
2020 Q1	$272K	Hold	1	–	–	0.08%	96
2019 Q4	$340K	Hold	1	–	–	0.09%	122
2019 Q3	$312K	Hold	1	–	–	0.09%	125
2019 Q2	$318K	Hold	1	–	–	0.1%	123
2019 Q1	$301K	Hold	1	–	–	0.1%	124
2018 Q4	$306K	Hold	1	–	–	0.12%	112
2018 Q3	$320K	Hold	1	–	–	0.1%	136
2018 Q2	$282K	Hold	1	–	–	0.09%	142
2018 Q1	$299K	Hold	1	–	–	0.1%	135
2017 Q4	$298K	Hold	1	–	–	0.1%	131
2017 Q3	$275K	Hold	1	–	–	0.1%	122
2017 Q2	$255K	Hold	1	–	–	0.1%	117
2017 Q1	$250K	Hold	1	–	–	0.11%	112
2016 Q4	$244K	Buy	+1	New	+$244K	0.12%	105