BERKSHIRE HATHAWAY INC DEL

Ticker: BRK/B CUSIP: 084670702 Class: Common Stock

Family Office Research LLC's Holding History (CIK: 0002041267)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 2,095 Value ($000) $1,050 Avg Close $497.53 Range $473.15 - $516.85

Q3 2025

Shares 2,164 Value ($000) $1,088 Avg Close $484.36 Range $455.19 - $507.66

Q1 2025

Shares 1,814 Value ($000) $966 Avg Close $486.15 Range $440.10 - $537.63

Q4 2024

Shares 1,692 Value ($000) $767 Avg Close $461.73 Range $437.90 - $491.67

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	2,095	$1,050	$497.53	$473.15 - $516.85
Q3 2025	2,164	$1,088	$484.36	$455.19 - $507.66
Q1 2025	1,814	$966	$486.15	$440.10 - $537.63
Q4 2024	1,692	$767	$461.73	$437.90 - $491.67