BERKSHIRE HATHAWAY INC DEL

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

PRIVATE TRUST CO NA's Holding History (CIK: 0001277557)

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

Q4 2025

Shares 12,821 Value ($000) $6,445 Avg Close $497.53 Range $473.15 - $516.85

Q3 2025

Shares 13,259 Value ($000) $6,666 Avg Close $484.36 Range $455.19 - $507.66

Q2 2025

Shares 13,781 Value ($000) $6,694 Avg Close $507.86 Range $462.10 - $542.07

Q1 2025

Shares 13,524 Value ($000) $7,203 Avg Close $486.15 Range $440.10 - $537.63

Q4 2024

Shares 13,395 Value ($000) $6,072 Avg Close $461.73 Range $437.90 - $491.67

Q3 2024

Shares 13,795 Value ($000) $6,349 Avg Close $442.18 Range $403.82 - $484.82

Q2 2024

Shares 13,799 Value ($000) $5,613 Avg Close $408.62 Range $395.66 - $424.52

Q1 2024

Shares 13,138 Value ($000) $5,525 Avg Close $393.34 Range $355.94 - $430.00

Q4 2023

Shares 11,883 Value ($000) $4,238 Avg Close $350.99 Range $330.58 - $364.05

Q3 2023

Shares 11,815 Value ($000) $4,139 Avg Close $354.77 Range $338.41 - $373.34

Q2 2023

Shares 13,823 Value ($000) $4,714 Avg Close $326.37 Range $307.07 - $342.50

Q1 2023

Shares 13,828 Value ($000) $4,270 Avg Close $308.18 Range $292.42 - $321.32

Q4 2022

Shares 15,297 Value ($000) $5 Avg Close $296.98 Range $259.85 - $319.56

Q3 2022

Shares 15,000 Value ($000) $4,005 Avg Close $284.56 Range $261.55 - $308.15

Q2 2022

Shares 14,872 Value ($000) $4,060 Avg Close $313.72 Range $263.68 - $354.58

Q1 2022

Shares 18,031 Value ($000) $6,363 Avg Close $323.46 Range $294.81 - $362.10

Q4 2021

Shares 15,669 Value ($000) $4,685 Avg Close $286.41 Range $272.22 - $301.65

Q3 2021

Shares 16,115 Value ($000) $4,398 Avg Close $280.86 Range $270.73 - $291.82

Q2 2021

Shares 11,774 Value ($000) $3,272 Avg Close $279.44 Range $254.80 - $295.08

Q1 2021

Shares 13,062 Value ($000) $3,336 Avg Close $242.84 Range $226.10 - $267.50

Q4 2020

Shares 15,602 Value ($000) $3,617 Avg Close $220.20 Range $197.81 - $234.99

Q3 2020

Shares 12,883 Value ($000) $2,743 Avg Close $204.56 Range $177.34 - $223.24

Q2 2020

Shares 13,837 Value ($000) $2,474 Avg Close $182.62 Range $167.04 - $203.33

Q1 2020

Shares 19,196 Value ($000) $3,509 Avg Close $212.55 Range $159.50 - $231.61

Q4 2019

Shares 17,793 Value ($000) $4,030 Avg Close $217.17 Range $201.33 - $228.23

Q3 2019

Shares 15,951 Value ($000) $3,318 Avg Close $206.04 Range $195.40 - $216.58

Q2 2019

Shares 11,302 Value ($000) $2,409 Avg Close $206.92 Range $196.89 - $219.16

Q1 2019

Shares 10,722 Value ($000) $2,153 Avg Close $201.85 Range $191.04 - $209.40

Q4 2018

Shares 10,625 Value ($000) $2,169 Avg Close $208.87 Range $186.10 - $224.07

Q3 2018

Shares 11,969 Value ($000) $2,562 Avg Close $205.18 Range $185.72 - $223.00

Q2 2018

Shares 12,885 Value ($000) $2,404 Avg Close $194.92 Range $184.75 - $202.77

Q1 2018

Shares 12,484 Value ($000) $2,490 Avg Close $205.34 Range $189.30 - $217.62

Q4 2017

Shares 12,370 Value ($000) $2,451 Avg Close $189.88 Range $180.44 - $200.50

Q3 2017

Shares 11,918 Value ($000) $2,184 Avg Close $176.72 Range $168.00 - $184.00

Q2 2017

Shares 11,446 Value ($000) $1,938 Avg Close $166.33 Range $160.93 - $171.95

Q1 2017

Shares 10,922 Value ($000) $1,820 Avg Close $167.31 Range $158.61 - $177.86

Q4 2016

Shares 13,772 Value ($000) $2,244 Avg Close $153.96 Range $141.92 - $167.25

Q3 2016

Shares 12,104 Value ($000) $1,748 Avg Close $146.25 Range $140.95 - $151.05

Q2 2016

Shares 12,243 Value ($000) $1,772 Avg Close $142.96 Range $136.65 - $148.03

Q1 2016

Shares 12,313 Value ($000) $1,746 Avg Close $132.58 Range $123.55 - $143.40

Q4 2015

Shares 12,343 Value ($000) $1,629 Avg Close $134.20 Range $127.46 - $138.62

Q3 2015

Shares 12,149 Value ($000) $1,584 Avg Close $137.00 Range $125.50 - $144.69

Q2 2015

Shares 11,788 Value ($000) $1,604 Avg Close $142.63 Range $136.08 - $148.57

Q1 2015

Shares 10,957 Value ($000) $1,581 Avg Close $147.14 Range $142.50 - $151.69

Q4 2014

Shares 10,632 Value ($000) $1,596 Avg Close $144.37 Range $132.03 - $152.94

Q3 2014

Shares 7,709 Value ($000) $1,065 Avg Close $133.21 Range $122.72 - $142.45

Q2 2014

Shares 8,719 Value ($000) $1,103 Avg Close $126.57 Range $121.09 - $129.73

Q1 2014

Shares 8,269 Value ($000) $1,033 Avg Close $116.85 Range $108.12 - $125.91

Q4 2013

Shares 8,292 Value ($000) $983 Avg Close $115.63 Range $110.84 - $118.66

Q3 2013

Shares 4,535 Value ($000) $515 Avg Close $115.36 Range $110.72 - $119.30

Q2 2013

Shares 3,847 Value ($000) $431 Avg Close $110.02 Range $102.69 - $115.98

Q1 2013

Shares 3,847 Value ($000) $431 Avg Close $99.00 Range $91.29 - $104.48

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	12,821	$6,445	$497.53	$473.15 - $516.85
Q3 2025	13,259	$6,666	$484.36	$455.19 - $507.66
Q2 2025	13,781	$6,694	$507.86	$462.10 - $542.07
Q1 2025	13,524	$7,203	$486.15	$440.10 - $537.63
Q4 2024	13,395	$6,072	$461.73	$437.90 - $491.67
Q3 2024	13,795	$6,349	$442.18	$403.82 - $484.82
Q2 2024	13,799	$5,613	$408.62	$395.66 - $424.52
Q1 2024	13,138	$5,525	$393.34	$355.94 - $430.00
Q4 2023	11,883	$4,238	$350.99	$330.58 - $364.05
Q3 2023	11,815	$4,139	$354.77	$338.41 - $373.34
Q2 2023	13,823	$4,714	$326.37	$307.07 - $342.50
Q1 2023	13,828	$4,270	$308.18	$292.42 - $321.32
Q4 2022	15,297	$5	$296.98	$259.85 - $319.56
Q3 2022	15,000	$4,005	$284.56	$261.55 - $308.15
Q2 2022	14,872	$4,060	$313.72	$263.68 - $354.58
Q1 2022	18,031	$6,363	$323.46	$294.81 - $362.10
Q4 2021	15,669	$4,685	$286.41	$272.22 - $301.65
Q3 2021	16,115	$4,398	$280.86	$270.73 - $291.82
Q2 2021	11,774	$3,272	$279.44	$254.80 - $295.08
Q1 2021	13,062	$3,336	$242.84	$226.10 - $267.50
Q4 2020	15,602	$3,617	$220.20	$197.81 - $234.99
Q3 2020	12,883	$2,743	$204.56	$177.34 - $223.24
Q2 2020	13,837	$2,474	$182.62	$167.04 - $203.33
Q1 2020	19,196	$3,509	$212.55	$159.50 - $231.61
Q4 2019	17,793	$4,030	$217.17	$201.33 - $228.23
Q3 2019	15,951	$3,318	$206.04	$195.40 - $216.58
Q2 2019	11,302	$2,409	$206.92	$196.89 - $219.16
Q1 2019	10,722	$2,153	$201.85	$191.04 - $209.40
Q4 2018	10,625	$2,169	$208.87	$186.10 - $224.07
Q3 2018	11,969	$2,562	$205.18	$185.72 - $223.00
Q2 2018	12,885	$2,404	$194.92	$184.75 - $202.77
Q1 2018	12,484	$2,490	$205.34	$189.30 - $217.62
Q4 2017	12,370	$2,451	$189.88	$180.44 - $200.50
Q3 2017	11,918	$2,184	$176.72	$168.00 - $184.00
Q2 2017	11,446	$1,938	$166.33	$160.93 - $171.95
Q1 2017	10,922	$1,820	$167.31	$158.61 - $177.86
Q4 2016	13,772	$2,244	$153.96	$141.92 - $167.25
Q3 2016	12,104	$1,748	$146.25	$140.95 - $151.05
Q2 2016	12,243	$1,772	$142.96	$136.65 - $148.03
Q1 2016	12,313	$1,746	$132.58	$123.55 - $143.40
Q4 2015	12,343	$1,629	$134.20	$127.46 - $138.62
Q3 2015	12,149	$1,584	$137.00	$125.50 - $144.69
Q2 2015	11,788	$1,604	$142.63	$136.08 - $148.57
Q1 2015	10,957	$1,581	$147.14	$142.50 - $151.69
Q4 2014	10,632	$1,596	$144.37	$132.03 - $152.94
Q3 2014	7,709	$1,065	$133.21	$122.72 - $142.45
Q2 2014	8,719	$1,103	$126.57	$121.09 - $129.73
Q1 2014	8,269	$1,033	$116.85	$108.12 - $125.91
Q4 2013	8,292	$983	$115.63	$110.84 - $118.66
Q3 2013	4,535	$515	$115.36	$110.72 - $119.30
Q2 2013	3,847	$431	$110.02	$102.69 - $115.98
Q1 2013	3,847	$431	$99.00	$91.29 - $104.48