BERKSHIRE HATHAWAY INC DEL

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

Main Street Research LLC's Holding History (CIK: 0001513211)

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

Q4 2025

Shares 12,116 Value ($000) $6,090 Avg Close $497.53 Range $473.15 - $516.85

Q3 2025

Shares 13,261 Value ($000) $6,667 Avg Close $484.36 Range $455.19 - $507.66

Q2 2025

Shares 116,181 Value ($000) $56,437 Avg Close $507.86 Range $462.10 - $542.07

Q1 2025

Shares 111,420 Value ($000) $59,340 Avg Close $486.15 Range $440.10 - $537.63

Q4 2024

Shares 109,434 Value ($000) $49,604 Avg Close $461.73 Range $437.90 - $491.67

Q3 2024

Shares 107,986 Value ($000) $49,702 Avg Close $442.18 Range $403.82 - $484.82

Q2 2024

Shares 106,734 Value ($000) $43,419 Avg Close $408.62 Range $395.66 - $424.52

Q1 2024

Shares 103,988 Value ($000) $43,729 Avg Close $393.34 Range $355.94 - $430.00

Q4 2023

Shares 94,780 Value ($000) $33,804 Avg Close $350.99 Range $330.58 - $364.05

Q3 2023

Shares 64,621 Value ($000) $22,637 Avg Close $354.77 Range $338.41 - $373.34

Q2 2023

Shares 9,527 Value ($000) $3,249 Avg Close $326.37 Range $307.07 - $342.50

Q1 2023

Shares 8,389 Value ($000) $2,590 Avg Close $308.18 Range $292.42 - $321.32

Q4 2022

Shares 11,545 Value ($000) $3,566 Avg Close $296.98 Range $259.85 - $319.56

Q3 2022

Shares 12,204 Value ($000) $3,259 Avg Close $284.56 Range $261.55 - $308.15

Q2 2022

Shares 8,068 Value ($000) $2,203 Avg Close $313.72 Range $263.68 - $354.58

Q1 2022

Shares 83,858 Value ($000) $29,594 Avg Close $323.46 Range $294.81 - $362.10

Q4 2021

Shares 11,346 Value ($000) $3,392 Avg Close $286.41 Range $272.22 - $301.65

Q3 2021

Shares 10,065 Value ($000) $2,747 Avg Close $280.86 Range $270.73 - $291.82

Q2 2021

Shares 11,052 Value ($000) $3,072 Avg Close $279.44 Range $254.80 - $295.08

Q1 2021

Shares 11,104 Value ($000) $2,837 Avg Close $242.84 Range $226.10 - $267.50

Q4 2020

Shares 11,564 Value ($000) $2,681 Avg Close $220.20 Range $197.81 - $234.99

Q3 2020

Shares 9,218 Value ($000) $1,963 Avg Close $204.56 Range $177.34 - $223.24

Q2 2020

Shares 11,324 Value ($000) $2,021 Avg Close $182.62 Range $167.04 - $203.33

Q1 2020

Shares 8,592 Value ($000) $1,571 Avg Close $212.55 Range $159.50 - $231.61

Q4 2019

Shares 10,864 Value ($000) $2,461 Avg Close $217.17 Range $201.33 - $228.23

Q3 2019

Shares 9,943 Value ($000) $2,068 Avg Close $206.04 Range $195.40 - $216.58

Q2 2019

Shares 47,524 Value ($000) $10,131 Avg Close $206.92 Range $196.89 - $219.16

Q1 2019

Shares 42,682 Value ($000) $8,574 Avg Close $201.85 Range $191.04 - $209.40

Q4 2018

Shares 41,919 Value ($000) $8,559 Avg Close $208.87 Range $186.10 - $224.07

Q3 2018

Shares 12,205 Value ($000) $2,613 Avg Close $205.18 Range $185.72 - $223.00

Q2 2018

Shares 10,158 Value ($000) $1,896 Avg Close $194.92 Range $184.75 - $202.77

Q1 2018

Shares 8,106 Value ($000) $1,617 Avg Close $205.34 Range $189.30 - $217.62

Q4 2017

Shares 8,197 Value ($000) $1,625 Avg Close $189.88 Range $180.44 - $200.50

Q3 2017

Shares 7,541 Value ($000) $1,382 Avg Close $176.72 Range $168.00 - $184.00

Q2 2017

Shares 7,497 Value ($000) $1,270 Avg Close $166.33 Range $160.93 - $171.95

Q1 2017

Shares 6,192 Value ($000) $1,032 Avg Close $167.31 Range $158.61 - $177.86

Q4 2016

Shares 6,116 Value ($000) $997 Avg Close $153.96 Range $141.92 - $167.25

Q3 2016

Shares 6,326 Value ($000) $914 Avg Close $146.25 Range $140.95 - $151.05

Q2 2016

Shares 5,826 Value ($000) $844 Avg Close $142.96 Range $136.65 - $148.03

Q1 2016

Shares 2,700 Value ($000) $383 Avg Close $132.58 Range $123.55 - $143.40

Q4 2015

Shares 4,239 Value ($000) $560 Avg Close $134.20 Range $127.46 - $138.62

Q3 2015

Shares 5,149 Value ($000) $700 Avg Close $137.00 Range $125.50 - $144.69

Q2 2015

Shares 5,053 Value ($000) $688 Avg Close $142.63 Range $136.08 - $148.57

Q1 2015

Shares 4,867 Value ($000) $702 Avg Close $147.14 Range $142.50 - $151.69

Q4 2014

Shares 3,955 Value ($000) $594 Avg Close $144.37 Range $132.03 - $152.94

Q3 2014

Shares 3,905 Value ($000) $539 Avg Close $133.21 Range $122.72 - $142.45

Q2 2014

Shares 3,905 Value ($000) $494 Avg Close $126.57 Range $121.09 - $129.73

Q1 2014

Shares 3,905 Value ($000) $488 Avg Close $116.85 Range $108.12 - $125.91

Q4 2013

Shares 3,905 Value ($000) $463 Avg Close $115.63 Range $110.84 - $118.66

Q3 2013

Shares 3,905 Value ($000) $443 Avg Close $115.36 Range $110.72 - $119.30

Q2 2013

Shares 3,905 Value ($000) $437 Avg Close $110.02 Range $102.69 - $115.98

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	12,116	$6,090	$497.53	$473.15 - $516.85
Q3 2025	13,261	$6,667	$484.36	$455.19 - $507.66
Q2 2025	116,181	$56,437	$507.86	$462.10 - $542.07
Q1 2025	111,420	$59,340	$486.15	$440.10 - $537.63
Q4 2024	109,434	$49,604	$461.73	$437.90 - $491.67
Q3 2024	107,986	$49,702	$442.18	$403.82 - $484.82
Q2 2024	106,734	$43,419	$408.62	$395.66 - $424.52
Q1 2024	103,988	$43,729	$393.34	$355.94 - $430.00
Q4 2023	94,780	$33,804	$350.99	$330.58 - $364.05
Q3 2023	64,621	$22,637	$354.77	$338.41 - $373.34
Q2 2023	9,527	$3,249	$326.37	$307.07 - $342.50
Q1 2023	8,389	$2,590	$308.18	$292.42 - $321.32
Q4 2022	11,545	$3,566	$296.98	$259.85 - $319.56
Q3 2022	12,204	$3,259	$284.56	$261.55 - $308.15
Q2 2022	8,068	$2,203	$313.72	$263.68 - $354.58
Q1 2022	83,858	$29,594	$323.46	$294.81 - $362.10
Q4 2021	11,346	$3,392	$286.41	$272.22 - $301.65
Q3 2021	10,065	$2,747	$280.86	$270.73 - $291.82
Q2 2021	11,052	$3,072	$279.44	$254.80 - $295.08
Q1 2021	11,104	$2,837	$242.84	$226.10 - $267.50
Q4 2020	11,564	$2,681	$220.20	$197.81 - $234.99
Q3 2020	9,218	$1,963	$204.56	$177.34 - $223.24
Q2 2020	11,324	$2,021	$182.62	$167.04 - $203.33
Q1 2020	8,592	$1,571	$212.55	$159.50 - $231.61
Q4 2019	10,864	$2,461	$217.17	$201.33 - $228.23
Q3 2019	9,943	$2,068	$206.04	$195.40 - $216.58
Q2 2019	47,524	$10,131	$206.92	$196.89 - $219.16
Q1 2019	42,682	$8,574	$201.85	$191.04 - $209.40
Q4 2018	41,919	$8,559	$208.87	$186.10 - $224.07
Q3 2018	12,205	$2,613	$205.18	$185.72 - $223.00
Q2 2018	10,158	$1,896	$194.92	$184.75 - $202.77
Q1 2018	8,106	$1,617	$205.34	$189.30 - $217.62
Q4 2017	8,197	$1,625	$189.88	$180.44 - $200.50
Q3 2017	7,541	$1,382	$176.72	$168.00 - $184.00
Q2 2017	7,497	$1,270	$166.33	$160.93 - $171.95
Q1 2017	6,192	$1,032	$167.31	$158.61 - $177.86
Q4 2016	6,116	$997	$153.96	$141.92 - $167.25
Q3 2016	6,326	$914	$146.25	$140.95 - $151.05
Q2 2016	5,826	$844	$142.96	$136.65 - $148.03
Q1 2016	2,700	$383	$132.58	$123.55 - $143.40
Q4 2015	4,239	$560	$134.20	$127.46 - $138.62
Q3 2015	5,149	$700	$137.00	$125.50 - $144.69
Q2 2015	5,053	$688	$142.63	$136.08 - $148.57
Q1 2015	4,867	$702	$147.14	$142.50 - $151.69
Q4 2014	3,955	$594	$144.37	$132.03 - $152.94
Q3 2014	3,905	$539	$133.21	$122.72 - $142.45
Q2 2014	3,905	$494	$126.57	$121.09 - $129.73
Q1 2014	3,905	$488	$116.85	$108.12 - $125.91
Q4 2013	3,905	$463	$115.63	$110.84 - $118.66
Q3 2013	3,905	$443	$115.36	$110.72 - $119.30
Q2 2013	3,905	$437	$110.02	$102.69 - $115.98