BERKSHIRE HATHAWAY INC DEL

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

Washington Trust Bank's Holding History (CIK: 0000861787)

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

Q4 2025

Shares 9,039 Value ($000) $4,543 Avg Close $497.53 Range $473.15 - $516.85

Q3 2025

Shares 9,008 Value ($000) $4,529 Avg Close $484.36 Range $455.19 - $507.66

Q2 2025

Shares 8,971 Value ($000) $4,358 Avg Close $507.86 Range $462.10 - $542.07

Q1 2025

Shares 9,211 Value ($000) $4,906 Avg Close $486.15 Range $440.10 - $537.63

Q4 2024

Shares 9,973 Value ($000) $4,521 Avg Close $461.73 Range $437.90 - $491.67

Q3 2024

Shares 10,180 Value ($000) $4,685 Avg Close $442.18 Range $403.82 - $484.82

Q2 2024

Shares 9,959 Value ($000) $4,051 Avg Close $408.62 Range $395.66 - $424.52

Q1 2024

Shares 10,049 Value ($000) $4,226 Avg Close $393.34 Range $355.94 - $430.00

Q4 2023

Shares 9,931 Value ($000) $3,542 Avg Close $350.99 Range $330.58 - $364.05

Q3 2023

Shares 10,282 Value ($000) $3,602 Avg Close $354.77 Range $338.41 - $373.34

Q2 2023

Shares 10,273 Value ($000) $3,503 Avg Close $326.37 Range $307.07 - $342.50

Q1 2023

Shares 10,263 Value ($000) $3,169 Avg Close $308.18 Range $292.42 - $321.32

Q4 2022

Shares 10,200 Value ($000) $3 Avg Close $296.98 Range $259.85 - $319.56

Q3 2022

Shares 11,011 Value ($000) $2,940 Avg Close $284.56 Range $261.55 - $308.15

Q2 2022

Shares 10,944 Value ($000) $2,988 Avg Close $313.72 Range $263.68 - $354.58

Q1 2022

Shares 11,199 Value ($000) $3,952 Avg Close $323.46 Range $294.81 - $362.10

Q4 2021

Shares 11,334 Value ($000) $3,389 Avg Close $286.41 Range $272.22 - $301.65

Q3 2021

Shares 11,526 Value ($000) $3,146 Avg Close $280.86 Range $270.73 - $291.82

Q2 2021

Shares 11,816 Value ($000) $3,284 Avg Close $279.44 Range $254.80 - $295.08

Q1 2021

Shares 11,823 Value ($000) $3,021 Avg Close $242.84 Range $226.10 - $267.50

Q4 2020

Shares 12,240 Value ($000) $2,838 Avg Close $220.20 Range $197.81 - $234.99

Q3 2020

Shares 11,940 Value ($000) $2,542 Avg Close $204.56 Range $177.34 - $223.24

Q2 2020

Shares 12,015 Value ($000) $2,144 Avg Close $182.62 Range $167.04 - $203.33

Q1 2020

Shares 13,886 Value ($000) $2,538 Avg Close $212.55 Range $159.50 - $231.61

Q4 2019

Shares 10,803 Value ($000) $2,447 Avg Close $217.17 Range $201.33 - $228.23

Q3 2019

Shares 10,823 Value ($000) $2,251 Avg Close $206.04 Range $195.40 - $216.58

Q2 2019

Shares 11,008 Value ($000) $2,347 Avg Close $206.92 Range $196.89 - $219.16

Q1 2019

Shares 10,876 Value ($000) $2,185 Avg Close $201.85 Range $191.04 - $209.40

Q4 2018

Shares 10,761 Value ($000) $2,198 Avg Close $208.87 Range $186.10 - $224.07

Q3 2018

Shares 10,763 Value ($000) $2,304 Avg Close $205.18 Range $185.72 - $223.00

Q2 2018

Shares 11,178 Value ($000) $2,087 Avg Close $194.92 Range $184.75 - $202.77

Q1 2018

Shares 4,153 Value ($000) $829 Avg Close $205.34 Range $189.30 - $217.62

Q4 2017

Shares 4,739 Value ($000) $939 Avg Close $189.88 Range $180.44 - $200.50

Q3 2017

Shares 4,939 Value ($000) $906 Avg Close $176.72 Range $168.00 - $184.00

Q2 2017

Shares 4,205 Value ($000) $712 Avg Close $166.33 Range $160.93 - $171.95

Q1 2017

Shares 5,089 Value ($000) $848 Avg Close $167.31 Range $158.61 - $177.86

Q4 2016

Shares 5,028 Value ($000) $819 Avg Close $153.96 Range $141.92 - $167.25

Q3 2016

Shares 5,126 Value ($000) $741 Avg Close $146.25 Range $140.95 - $151.05

Q2 2016

Shares 5,142 Value ($000) $745 Avg Close $142.96 Range $136.65 - $148.03

Q1 2016

Shares 4,404 Value ($000) $625 Avg Close $132.58 Range $123.55 - $143.40

Q4 2015

Shares 4,510 Value ($000) $596 Avg Close $134.20 Range $127.46 - $138.62

Q3 2015

Shares 4,784 Value ($000) $624 Avg Close $137.00 Range $125.50 - $144.69

Q2 2015

Shares 4,080 Value ($000) $555 Avg Close $142.63 Range $136.08 - $148.57

Q1 2015

Shares 4,021 Value ($000) $580 Avg Close $147.14 Range $142.50 - $151.69

Q4 2014

Shares 4,819 Value ($000) $724 Avg Close $144.37 Range $132.03 - $152.94

Q3 2014

Shares 4,431 Value ($000) $612 Avg Close $133.21 Range $122.72 - $142.45

Q2 2014

Shares 4,641 Value ($000) $587 Avg Close $126.57 Range $121.09 - $129.73

Q1 2014

Shares 4,641 Value ($000) $580 Avg Close $116.85 Range $108.12 - $125.91

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	9,039	$4,543	$497.53	$473.15 - $516.85
Q3 2025	9,008	$4,529	$484.36	$455.19 - $507.66
Q2 2025	8,971	$4,358	$507.86	$462.10 - $542.07
Q1 2025	9,211	$4,906	$486.15	$440.10 - $537.63
Q4 2024	9,973	$4,521	$461.73	$437.90 - $491.67
Q3 2024	10,180	$4,685	$442.18	$403.82 - $484.82
Q2 2024	9,959	$4,051	$408.62	$395.66 - $424.52
Q1 2024	10,049	$4,226	$393.34	$355.94 - $430.00
Q4 2023	9,931	$3,542	$350.99	$330.58 - $364.05
Q3 2023	10,282	$3,602	$354.77	$338.41 - $373.34
Q2 2023	10,273	$3,503	$326.37	$307.07 - $342.50
Q1 2023	10,263	$3,169	$308.18	$292.42 - $321.32
Q4 2022	10,200	$3	$296.98	$259.85 - $319.56
Q3 2022	11,011	$2,940	$284.56	$261.55 - $308.15
Q2 2022	10,944	$2,988	$313.72	$263.68 - $354.58
Q1 2022	11,199	$3,952	$323.46	$294.81 - $362.10
Q4 2021	11,334	$3,389	$286.41	$272.22 - $301.65
Q3 2021	11,526	$3,146	$280.86	$270.73 - $291.82
Q2 2021	11,816	$3,284	$279.44	$254.80 - $295.08
Q1 2021	11,823	$3,021	$242.84	$226.10 - $267.50
Q4 2020	12,240	$2,838	$220.20	$197.81 - $234.99
Q3 2020	11,940	$2,542	$204.56	$177.34 - $223.24
Q2 2020	12,015	$2,144	$182.62	$167.04 - $203.33
Q1 2020	13,886	$2,538	$212.55	$159.50 - $231.61
Q4 2019	10,803	$2,447	$217.17	$201.33 - $228.23
Q3 2019	10,823	$2,251	$206.04	$195.40 - $216.58
Q2 2019	11,008	$2,347	$206.92	$196.89 - $219.16
Q1 2019	10,876	$2,185	$201.85	$191.04 - $209.40
Q4 2018	10,761	$2,198	$208.87	$186.10 - $224.07
Q3 2018	10,763	$2,304	$205.18	$185.72 - $223.00
Q2 2018	11,178	$2,087	$194.92	$184.75 - $202.77
Q1 2018	4,153	$829	$205.34	$189.30 - $217.62
Q4 2017	4,739	$939	$189.88	$180.44 - $200.50
Q3 2017	4,939	$906	$176.72	$168.00 - $184.00
Q2 2017	4,205	$712	$166.33	$160.93 - $171.95
Q1 2017	5,089	$848	$167.31	$158.61 - $177.86
Q4 2016	5,028	$819	$153.96	$141.92 - $167.25
Q3 2016	5,126	$741	$146.25	$140.95 - $151.05
Q2 2016	5,142	$745	$142.96	$136.65 - $148.03
Q1 2016	4,404	$625	$132.58	$123.55 - $143.40
Q4 2015	4,510	$596	$134.20	$127.46 - $138.62
Q3 2015	4,784	$624	$137.00	$125.50 - $144.69
Q2 2015	4,080	$555	$142.63	$136.08 - $148.57
Q1 2015	4,021	$580	$147.14	$142.50 - $151.69
Q4 2014	4,819	$724	$144.37	$132.03 - $152.94
Q3 2014	4,431	$612	$133.21	$122.72 - $142.45
Q2 2014	4,641	$587	$126.57	$121.09 - $129.73
Q1 2014	4,641	$580	$116.85	$108.12 - $125.91