BERKSHIRE HATHAWAY INC DEL

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

BALDWIN BROTHERS LLC/MA's Holding History (CIK: 0001021258)

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

Q4 2025

Shares 17,768 Value ($000) $8,931 Avg Close $497.53 Range $473.15 - $516.85

Q3 2025

Shares 17,771 Value ($000) $8,934 Avg Close $484.36 Range $455.19 - $507.66

Q2 2025

Shares 17,832 Value ($000) $8,662 Avg Close $507.86 Range $462.10 - $542.07

Q1 2025

Shares 17,852 Value ($000) $9,508 Avg Close $486.15 Range $440.10 - $537.63

Q3 2024

Shares 18,005 Value ($000) $8,287 Avg Close $442.18 Range $403.82 - $484.82

Q2 2024

Shares 16,189 Value ($000) $6,586 Avg Close $408.62 Range $395.66 - $424.52

Q1 2024

Shares 16,354 Value ($000) $6,877 Avg Close $393.34 Range $355.94 - $430.00

Q4 2023

Shares 16,418 Value ($000) $5,856 Avg Close $350.99 Range $330.58 - $364.05

Q3 2023

Shares 17,019 Value ($000) $5,962 Avg Close $354.77 Range $338.41 - $373.34

Q2 2023

Shares 16,999 Value ($000) $5,797 Avg Close $326.37 Range $307.07 - $342.50

Q1 2023

Shares 17,614 Value ($000) $5,439 Avg Close $308.18 Range $292.42 - $321.32

Q4 2022

Shares 17,595 Value ($000) $5,435 Avg Close $296.98 Range $259.85 - $319.56

Q3 2022

Shares 7,884 Value ($000) $2,105 Avg Close $284.56 Range $261.55 - $308.15

Q2 2022

Shares 8,029 Value ($000) $2,192 Avg Close $313.72 Range $263.68 - $354.58

Q1 2022

Shares 8,229 Value ($000) $2,904 Avg Close $323.46 Range $294.81 - $362.10

Q4 2021

Shares 7,424 Value ($000) $2,219 Avg Close $286.41 Range $272.22 - $301.65

Q3 2021

Shares 7,424 Value ($000) $2,026 Avg Close $280.86 Range $270.73 - $291.82

Q2 2021

Shares 7,441 Value ($000) $2,068 Avg Close $279.44 Range $254.80 - $295.08

Q1 2021

Shares 7,624 Value ($000) $1,948 Avg Close $242.84 Range $226.10 - $267.50

Q4 2020

Shares 7,605 Value ($000) $1,763 Avg Close $220.20 Range $197.81 - $234.99

Q3 2020

Shares 7,825 Value ($000) $1,666 Avg Close $204.56 Range $177.34 - $223.24

Q2 2020

Shares 7,460 Value ($000) $1,332 Avg Close $182.62 Range $167.04 - $203.33

Q1 2020

Shares 7,878 Value ($000) $1,440 Avg Close $212.55 Range $159.50 - $231.61

Q4 2019

Shares 47,507 Value ($000) $10,761 Avg Close $217.17 Range $201.33 - $228.23

Q3 2019

Shares 65,906 Value ($000) $13,710 Avg Close $206.04 Range $195.40 - $216.58

Q2 2019

Shares 80,023 Value ($000) $17,058 Avg Close $206.92 Range $196.89 - $219.16

Q1 2019

Shares 83,061 Value ($000) $16,686 Avg Close $201.85 Range $191.04 - $209.40

Q4 2018

Shares 88,558 Value ($000) $18,081 Avg Close $208.87 Range $186.10 - $224.07

Q3 2018

Shares 88,548 Value ($000) $18,959 Avg Close $205.18 Range $185.72 - $223.00

Q2 2018

Shares 87,159 Value ($000) $16,268 Avg Close $194.92 Range $184.75 - $202.77

Q1 2018

Shares 87,835 Value ($000) $17,521 Avg Close $205.34 Range $189.30 - $217.62

Q4 2017

Shares 95,278 Value ($000) $18,886 Avg Close $189.88 Range $180.44 - $200.50

Q3 2017

Shares 97,119 Value ($000) $17,804 Avg Close $176.72 Range $168.00 - $184.00

Q2 2017

Shares 99,769 Value ($000) $16,898 Avg Close $166.33 Range $160.93 - $171.95

Q1 2017

Shares 99,064 Value ($000) $16,512 Avg Close $167.31 Range $158.61 - $177.86

Q4 2016

Shares 107,976 Value ($000) $17,598 Avg Close $153.96 Range $141.92 - $167.25

Q3 2016

Shares 110,147 Value ($000) $15,913 Avg Close $146.25 Range $140.95 - $151.05

Q2 2016

Shares 109,057 Value ($000) $15,790 Avg Close $142.96 Range $136.65 - $148.03

Q1 2016

Shares 110,725 Value ($000) $15,710 Avg Close $132.58 Range $123.55 - $143.40

Q4 2015

Shares 100,626 Value ($000) $13,287 Avg Close $134.20 Range $127.46 - $138.62

Q3 2015

Shares 104,106 Value ($000) $13,575 Avg Close $137.00 Range $125.50 - $144.69

Q2 2015

Shares 104,088 Value ($000) $14,167 Avg Close $142.63 Range $136.08 - $148.57

Q1 2015

Shares 103,116 Value ($000) $14,882 Avg Close $147.14 Range $142.50 - $151.69

Q4 2014

Shares 101,911 Value ($000) $15,302 Avg Close $144.37 Range $132.03 - $152.94

Q3 2014

Shares 101,669 Value ($000) $14,045 Avg Close $133.21 Range $122.72 - $142.45

Q2 2014

Shares 99,799 Value ($000) $12,631 Avg Close $126.57 Range $121.09 - $129.73

Q1 2014

Shares 99,337 Value ($000) $12,414 Avg Close $116.85 Range $108.12 - $125.91

Q4 2013

Shares 77,391 Value ($000) $9,175 Avg Close $115.63 Range $110.84 - $118.66

Q3 2013

Shares 82,071 Value ($000) $9,316 Avg Close $115.36 Range $110.72 - $119.30

Q2 2013

Shares 82,669 Value ($000) $9,252 Avg Close $110.02 Range $102.69 - $115.98

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	17,768	$8,931	$497.53	$473.15 - $516.85
Q3 2025	17,771	$8,934	$484.36	$455.19 - $507.66
Q2 2025	17,832	$8,662	$507.86	$462.10 - $542.07
Q1 2025	17,852	$9,508	$486.15	$440.10 - $537.63
Q3 2024	18,005	$8,287	$442.18	$403.82 - $484.82
Q2 2024	16,189	$6,586	$408.62	$395.66 - $424.52
Q1 2024	16,354	$6,877	$393.34	$355.94 - $430.00
Q4 2023	16,418	$5,856	$350.99	$330.58 - $364.05
Q3 2023	17,019	$5,962	$354.77	$338.41 - $373.34
Q2 2023	16,999	$5,797	$326.37	$307.07 - $342.50
Q1 2023	17,614	$5,439	$308.18	$292.42 - $321.32
Q4 2022	17,595	$5,435	$296.98	$259.85 - $319.56
Q3 2022	7,884	$2,105	$284.56	$261.55 - $308.15
Q2 2022	8,029	$2,192	$313.72	$263.68 - $354.58
Q1 2022	8,229	$2,904	$323.46	$294.81 - $362.10
Q4 2021	7,424	$2,219	$286.41	$272.22 - $301.65
Q3 2021	7,424	$2,026	$280.86	$270.73 - $291.82
Q2 2021	7,441	$2,068	$279.44	$254.80 - $295.08
Q1 2021	7,624	$1,948	$242.84	$226.10 - $267.50
Q4 2020	7,605	$1,763	$220.20	$197.81 - $234.99
Q3 2020	7,825	$1,666	$204.56	$177.34 - $223.24
Q2 2020	7,460	$1,332	$182.62	$167.04 - $203.33
Q1 2020	7,878	$1,440	$212.55	$159.50 - $231.61
Q4 2019	47,507	$10,761	$217.17	$201.33 - $228.23
Q3 2019	65,906	$13,710	$206.04	$195.40 - $216.58
Q2 2019	80,023	$17,058	$206.92	$196.89 - $219.16
Q1 2019	83,061	$16,686	$201.85	$191.04 - $209.40
Q4 2018	88,558	$18,081	$208.87	$186.10 - $224.07
Q3 2018	88,548	$18,959	$205.18	$185.72 - $223.00
Q2 2018	87,159	$16,268	$194.92	$184.75 - $202.77
Q1 2018	87,835	$17,521	$205.34	$189.30 - $217.62
Q4 2017	95,278	$18,886	$189.88	$180.44 - $200.50
Q3 2017	97,119	$17,804	$176.72	$168.00 - $184.00
Q2 2017	99,769	$16,898	$166.33	$160.93 - $171.95
Q1 2017	99,064	$16,512	$167.31	$158.61 - $177.86
Q4 2016	107,976	$17,598	$153.96	$141.92 - $167.25
Q3 2016	110,147	$15,913	$146.25	$140.95 - $151.05
Q2 2016	109,057	$15,790	$142.96	$136.65 - $148.03
Q1 2016	110,725	$15,710	$132.58	$123.55 - $143.40
Q4 2015	100,626	$13,287	$134.20	$127.46 - $138.62
Q3 2015	104,106	$13,575	$137.00	$125.50 - $144.69
Q2 2015	104,088	$14,167	$142.63	$136.08 - $148.57
Q1 2015	103,116	$14,882	$147.14	$142.50 - $151.69
Q4 2014	101,911	$15,302	$144.37	$132.03 - $152.94
Q3 2014	101,669	$14,045	$133.21	$122.72 - $142.45
Q2 2014	99,799	$12,631	$126.57	$121.09 - $129.73
Q1 2014	99,337	$12,414	$116.85	$108.12 - $125.91
Q4 2013	77,391	$9,175	$115.63	$110.84 - $118.66
Q3 2013	82,071	$9,316	$115.36	$110.72 - $119.30
Q2 2013	82,669	$9,252	$110.02	$102.69 - $115.98