BERKSHIRE HATHAWAY INC DEL

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

Duncan Williams Asset Management, LLC's Holding History (CIK: 0002011771)

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

Q4 2025

Shares 14,611 Value ($000) $7,361 Avg Close $497.53 Range $473.15 - $516.85

Q3 2025

Shares 14,661 Value ($000) $7,371 Avg Close $484.36 Range $455.19 - $507.66

Q2 2025

Shares 14,625 Value ($000) $7,104 Avg Close $507.86 Range $462.10 - $542.07

Q1 2025

Shares 14,425 Value ($000) $7,682 Avg Close $486.15 Range $440.10 - $537.63

Q4 2024

Shares 14,097 Value ($000) $6,390 Avg Close $461.73 Range $437.90 - $491.67

Q3 2024

Shares 1,073 Value ($000) $494 Avg Close $442.18 Range $403.82 - $484.82

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	14,611	$7,361	$497.53	$473.15 - $516.85
Q3 2025	14,661	$7,371	$484.36	$455.19 - $507.66
Q2 2025	14,625	$7,104	$507.86	$462.10 - $542.07
Q1 2025	14,425	$7,682	$486.15	$440.10 - $537.63
Q4 2024	14,097	$6,390	$461.73	$437.90 - $491.67
Q3 2024	1,073	$494	$442.18	$403.82 - $484.82