As of 2024 yearend:

Shareholders' equity:  		649,368 million
Class A outstanding shares:  	1,438,223

BRKA book value:                (649,368 * 1,000,000)/(1,438,223) = 451,507
BRKB book value:                451,507/1,500 = 300.98

==========

		Average
		Repurchase	Quarterend	
                Price		BV		Ratio

December	0.00		300.98		N/A
November	0.00		300.98		N/A
October		0.00		300.98		N/A
September	0.00		291.72		N/A
August		0.00		291.72		N/A
July		0.00		291.72		N/A
June		0.00		282.92		N/A
May		417.79		282.92		1.48
April		413.87		282.92		1.46
March		415.47		265.08		1.57
February	414.12		265.08		1.56
January		370.08		265.08		1.40
December	360.71		259.58		1.39
November	355.27		259.58		1.37
October		348.50		259.58		1.34
September	366.42		242.28		1.51
August		361.16		242.28		1.49
July		347.62		242.28		1.43
June		335.55		248.64		1.35
May		329.00		248.64		1.32
April		308.57		248.64		1.24
March		308.51		231.95		1.33
February	306.07		231.95		1.32
January		312.92		231.95		1.35