Historical shareholding details of O'Brien Greene & Co., Inc holdings in Berkshire Hathaway Inc. - Ordinary Shares - Class B (BRK.B)

Monthly changes of O'Brien Greene & Co., Inc shareholding in Berkshire Hathaway Inc. - Ordinary Shares - Class B over the previous months

Month	Name	Total no. shares held	Percent Holding
Month	Name	Total no. shares held	Percent Holding
Dec 31, 2024	O'Brien Greene & Co., Inc	30,900	0.00%

Sep 30, 2024	O'Brien Greene & Co., Inc	31,597	0.00%

Jun 30, 2024	O'Brien Greene & Co., Inc	34,103	0.00%

Mar 31, 2024	O'Brien Greene & Co., Inc	33,028	0.00%

Dec 31, 2023	O'Brien Greene & Co., Inc	32,728	0.00%

Sep 30, 2023	O'Brien Greene & Co., Inc	32,893	2.28%

Jun 30, 2023	O'Brien Greene & Co., Inc	32,600	0.00%

Mar 31, 2023	O'Brien Greene & Co., Inc	33,343	0.00%