BERKSHIRE HATHAWAY INC DEL

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

Portfolio Design Labs, LLC's Holding History (CIK: 0002010278)

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

Q4 2025

Shares 11,504 Value ($000) $5,782 Avg Close $497.53 Range $473.15 - $516.85

Q3 2025

Shares 11,114 Value ($000) $5,587 Avg Close $484.36 Range $455.19 - $507.66

Q2 2024

Shares 641 Value ($000) $261 Avg Close $408.62 Range $395.66 - $424.52

Q1 2024

Shares 822 Value ($000) $346 Avg Close $393.34 Range $355.94 - $430.00

Q4 2023

Shares 957 Value ($000) $341 Avg Close $350.99 Range $330.58 - $364.05

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	11,504	$5,782	$497.53	$473.15 - $516.85
Q3 2025	11,114	$5,587	$484.36	$455.19 - $507.66
Q2 2024	641	$261	$408.62	$395.66 - $424.52
Q1 2024	822	$346	$393.34	$355.94 - $430.00
Q4 2023	957	$341	$350.99	$330.58 - $364.05