BERKSHIRE HATHAWAY INC DEL

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

Optas, LLC's Holding History (CIK: 0001802961)

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

Q4 2025

Shares 8,666 Value ($000) $4,356 Avg Close $497.53 Range $473.15 - $516.85

Q3 2025

Shares 8,147 Value ($000) $4,096 Avg Close $484.36 Range $455.19 - $507.66

Q2 2025

Shares 7,983 Value ($000) $3,878 Avg Close $507.86 Range $462.10 - $542.07

Q1 2025

Shares 8,658 Value ($000) $4,611 Avg Close $486.15 Range $440.10 - $537.63

Q4 2024

Shares 8,300 Value ($000) $3,762 Avg Close $461.73 Range $437.90 - $491.67

Q3 2024

Shares 7,886 Value ($000) $3,630 Avg Close $442.18 Range $403.82 - $484.82

Q2 2024

Shares 6,412 Value ($000) $2,608 Avg Close $408.62 Range $395.66 - $424.52

Q1 2024

Shares 5,954 Value ($000) $2,504 Avg Close $393.34 Range $355.94 - $430.00

Q4 2023

Shares 5,901 Value ($000) $2,105 Avg Close $350.99 Range $330.58 - $364.05

Q3 2023

Shares 5,921 Value ($000) $2,074 Avg Close $354.77 Range $338.41 - $373.34

Q2 2023

Shares 5,920 Value ($000) $2,019 Avg Close $326.37 Range $307.07 - $342.50

Q1 2023

Shares 5,838 Value ($000) $1,803 Avg Close $308.18 Range $292.42 - $321.32

Q4 2022

Shares 5,839 Value ($000) $1,804 Avg Close $296.98 Range $259.85 - $319.56

Q3 2022

Shares 5,730 Value ($000) $1,529 Avg Close $284.56 Range $261.55 - $308.15

Q2 2022

Shares 994 Value ($000) $271 Avg Close $313.72 Range $263.68 - $354.58

Q1 2022

Shares 937 Value ($000) $330 Avg Close $323.46 Range $294.81 - $362.10

Q4 2021

Shares 888 Value ($000) $266 Avg Close $286.41 Range $272.22 - $301.65

Q3 2021

Shares 888 Value ($000) $242 Avg Close $280.86 Range $270.73 - $291.82

Q2 2021

Shares 1,352 Value ($000) $376 Avg Close $279.44 Range $254.80 - $295.08

Q1 2021

Shares 1,352 Value ($000) $345 Avg Close $242.84 Range $226.10 - $267.50

Q4 2020

Shares 1,352 Value ($000) $313 Avg Close $220.20 Range $197.81 - $234.99

Q3 2020

Shares 1,502 Value ($000) $320 Avg Close $204.56 Range $177.34 - $223.24

Q1 2020

Shares 1,137 Value ($000) $207 Avg Close $212.55 Range $159.50 - $231.61

Q4 2019

Shares 1,137 Value ($000) $258 Avg Close $217.17 Range $201.33 - $228.23

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	8,666	$4,356	$497.53	$473.15 - $516.85
Q3 2025	8,147	$4,096	$484.36	$455.19 - $507.66
Q2 2025	7,983	$3,878	$507.86	$462.10 - $542.07
Q1 2025	8,658	$4,611	$486.15	$440.10 - $537.63
Q4 2024	8,300	$3,762	$461.73	$437.90 - $491.67
Q3 2024	7,886	$3,630	$442.18	$403.82 - $484.82
Q2 2024	6,412	$2,608	$408.62	$395.66 - $424.52
Q1 2024	5,954	$2,504	$393.34	$355.94 - $430.00
Q4 2023	5,901	$2,105	$350.99	$330.58 - $364.05
Q3 2023	5,921	$2,074	$354.77	$338.41 - $373.34
Q2 2023	5,920	$2,019	$326.37	$307.07 - $342.50
Q1 2023	5,838	$1,803	$308.18	$292.42 - $321.32
Q4 2022	5,839	$1,804	$296.98	$259.85 - $319.56
Q3 2022	5,730	$1,529	$284.56	$261.55 - $308.15
Q2 2022	994	$271	$313.72	$263.68 - $354.58
Q1 2022	937	$330	$323.46	$294.81 - $362.10
Q4 2021	888	$266	$286.41	$272.22 - $301.65
Q3 2021	888	$242	$280.86	$270.73 - $291.82
Q2 2021	1,352	$376	$279.44	$254.80 - $295.08
Q1 2021	1,352	$345	$242.84	$226.10 - $267.50
Q4 2020	1,352	$313	$220.20	$197.81 - $234.99
Q3 2020	1,502	$320	$204.56	$177.34 - $223.24
Q1 2020	1,137	$207	$212.55	$159.50 - $231.61
Q4 2019	1,137	$258	$217.17	$201.33 - $228.23