BERKSHIRE HATHAWAY INC DEL

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

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q3 2025

Shares 14,607 Value ($000) $7,344 Avg Close $484.36 Range $455.19 - $507.66

Q2 2025

Shares 12,623 Value ($000) $6,132 Avg Close $507.86 Range $462.10 - $542.07

Q4 2024

Shares 6,360 Value ($000) $2,883 Avg Close $461.73 Range $437.90 - $491.67

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	14,607	$7,344	$484.36	$455.19 - $507.66
Q2 2025	12,623	$6,132	$507.86	$462.10 - $542.07
Q4 2024	6,360	$2,883	$461.73	$437.90 - $491.67