BERKSHIRE HATHAWAY INC DEL

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

KCM INVESTMENT ADVISORS LLC's Holding History (CIK: 0001109228)

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

Q4 2025

Shares 28,336 Value ($000) $14,243 Avg Close $497.53 Range $473.15 - $516.85

Q3 2025

Shares 28,765 Value ($000) $14,461 Avg Close $484.36 Range $455.19 - $507.66

Q2 2025

Shares 28,373 Value ($000) $13,783 Avg Close $507.86 Range $462.10 - $542.07

Q1 2025

Shares 29,049 Value ($000) $15,471 Avg Close $486.15 Range $440.10 - $537.63

Q4 2024

Shares 29,280 Value ($000) $13,272 Avg Close $461.73 Range $437.90 - $491.67

Q3 2024

Shares 29,229 Value ($000) $13,453 Avg Close $442.18 Range $403.82 - $484.82

Q2 2024

Shares 29,337 Value ($000) $11,934 Avg Close $408.62 Range $395.66 - $424.52

Q1 2024

Shares 28,562 Value ($000) $12,011 Avg Close $393.34 Range $355.94 - $430.00

Q4 2023

Shares 25,597 Value ($000) $9,129 Avg Close $350.99 Range $330.58 - $364.05

Q3 2023

Shares 25,224 Value ($000) $8,836 Avg Close $354.77 Range $338.41 - $373.34

Q2 2023

Shares 26,561 Value ($000) $9,057 Avg Close $326.37 Range $307.07 - $342.50

Q1 2023

Shares 31,387 Value ($000) $9,691 Avg Close $308.18 Range $292.42 - $321.32

Q4 2022

Shares 26,772 Value ($000) $8 Avg Close $296.98 Range $259.85 - $319.56

Q3 2022

Shares 26,674 Value ($000) $7,122 Avg Close $284.56 Range $261.55 - $308.15

Q2 2022

Shares 26,749 Value ($000) $7,303 Avg Close $313.72 Range $263.68 - $354.58

Q1 2022

Shares 26,745 Value ($000) $9,439 Avg Close $323.46 Range $294.81 - $362.10

Q4 2021

Shares 25,522 Value ($000) $7,631 Avg Close $286.41 Range $272.22 - $301.65

Q3 2021

Shares 26,308 Value ($000) $7,181 Avg Close $280.86 Range $270.73 - $291.82

Q2 2021

Shares 28,128 Value ($000) $7,817 Avg Close $279.44 Range $254.80 - $295.08

Q1 2021

Shares 26,109 Value ($000) $6,670 Avg Close $242.84 Range $226.10 - $267.50

Q4 2020

Shares 26,473 Value ($000) $6,138 Avg Close $220.20 Range $197.81 - $234.99

Q3 2020

Shares 26,342 Value ($000) $5,609 Avg Close $204.56 Range $177.34 - $223.24

Q2 2020

Shares 32,441 Value ($000) $5,791 Avg Close $182.62 Range $167.04 - $203.33

Q1 2020

Shares 25,348 Value ($000) $4,634 Avg Close $212.55 Range $159.50 - $231.61

Q4 2019

Shares 24,757 Value ($000) $5,607 Avg Close $217.17 Range $201.33 - $228.23

Q3 2019

Shares 24,722 Value ($000) $5,143 Avg Close $206.04 Range $195.40 - $216.58

Q2 2019

Shares 31,577 Value ($000) $6,731 Avg Close $206.92 Range $196.89 - $219.16

Q1 2019

Shares 21,793 Value ($000) $4,378 Avg Close $201.85 Range $191.04 - $209.40

Q4 2018

Shares 22,052 Value ($000) $4,503 Avg Close $208.87 Range $186.10 - $224.07

Q3 2018

Shares 21,222 Value ($000) $4,544 Avg Close $205.18 Range $185.72 - $223.00

Q2 2018

Shares 21,056 Value ($000) $3,930 Avg Close $194.92 Range $184.75 - $202.77

Q1 2018

Shares 21,191 Value ($000) $4,227 Avg Close $205.34 Range $189.30 - $217.62

Q4 2017

Shares 20,222 Value ($000) $4,008 Avg Close $189.88 Range $180.44 - $200.50

Q3 2017

Shares 20,900 Value ($000) $3,831 Avg Close $176.72 Range $168.00 - $184.00

Q2 2017

Shares 21,593 Value ($000) $3,657 Avg Close $166.33 Range $160.93 - $171.95

Q1 2017

Shares 22,999 Value ($000) $3,833 Avg Close $167.31 Range $158.61 - $177.86

Q4 2016

Shares 23,642 Value ($000) $3,853 Avg Close $153.96 Range $141.92 - $167.25

Q3 2016

Shares 23,712 Value ($000) $3,426 Avg Close $146.25 Range $140.95 - $151.05

Q2 2016

Shares 25,515 Value ($000) $3,694 Avg Close $142.96 Range $136.65 - $148.03

Q1 2016

Shares 22,262 Value ($000) $3,159 Avg Close $132.58 Range $123.55 - $143.40

Q4 2015

Shares 21,609 Value ($000) $2,853 Avg Close $134.20 Range $127.46 - $138.62

Q3 2015

Shares 22,628 Value ($000) $2,951 Avg Close $137.00 Range $125.50 - $144.69

Q2 2015

Shares 21,528 Value ($000) $2,930 Avg Close $142.63 Range $136.08 - $148.57

Q1 2015

Shares 21,658 Value ($000) $3,126 Avg Close $147.14 Range $142.50 - $151.69

Q4 2014

Shares 21,371 Value ($000) $3,209 Avg Close $144.37 Range $132.03 - $152.94

Q3 2014

Shares 20,087 Value ($000) $2,775 Avg Close $133.21 Range $122.72 - $142.45

Q2 2014

Shares 20,720 Value ($000) $2,622 Avg Close $126.57 Range $121.09 - $129.73

Q1 2014

Shares 18,800 Value ($000) $2,349 Avg Close $116.85 Range $108.12 - $125.91

Q4 2013

Shares 17,753 Value ($000) $2,105 Avg Close $115.63 Range $110.84 - $118.66

Q3 2013

Shares 18,128 Value ($000) $2,058 Avg Close $115.36 Range $110.72 - $119.30

Q2 2013

Shares 24,728 Value ($000) $2,768 Avg Close $110.02 Range $102.69 - $115.98

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	28,336	$14,243	$497.53	$473.15 - $516.85
Q3 2025	28,765	$14,461	$484.36	$455.19 - $507.66
Q2 2025	28,373	$13,783	$507.86	$462.10 - $542.07
Q1 2025	29,049	$15,471	$486.15	$440.10 - $537.63
Q4 2024	29,280	$13,272	$461.73	$437.90 - $491.67
Q3 2024	29,229	$13,453	$442.18	$403.82 - $484.82
Q2 2024	29,337	$11,934	$408.62	$395.66 - $424.52
Q1 2024	28,562	$12,011	$393.34	$355.94 - $430.00
Q4 2023	25,597	$9,129	$350.99	$330.58 - $364.05
Q3 2023	25,224	$8,836	$354.77	$338.41 - $373.34
Q2 2023	26,561	$9,057	$326.37	$307.07 - $342.50
Q1 2023	31,387	$9,691	$308.18	$292.42 - $321.32
Q4 2022	26,772	$8	$296.98	$259.85 - $319.56
Q3 2022	26,674	$7,122	$284.56	$261.55 - $308.15
Q2 2022	26,749	$7,303	$313.72	$263.68 - $354.58
Q1 2022	26,745	$9,439	$323.46	$294.81 - $362.10
Q4 2021	25,522	$7,631	$286.41	$272.22 - $301.65
Q3 2021	26,308	$7,181	$280.86	$270.73 - $291.82
Q2 2021	28,128	$7,817	$279.44	$254.80 - $295.08
Q1 2021	26,109	$6,670	$242.84	$226.10 - $267.50
Q4 2020	26,473	$6,138	$220.20	$197.81 - $234.99
Q3 2020	26,342	$5,609	$204.56	$177.34 - $223.24
Q2 2020	32,441	$5,791	$182.62	$167.04 - $203.33
Q1 2020	25,348	$4,634	$212.55	$159.50 - $231.61
Q4 2019	24,757	$5,607	$217.17	$201.33 - $228.23
Q3 2019	24,722	$5,143	$206.04	$195.40 - $216.58
Q2 2019	31,577	$6,731	$206.92	$196.89 - $219.16
Q1 2019	21,793	$4,378	$201.85	$191.04 - $209.40
Q4 2018	22,052	$4,503	$208.87	$186.10 - $224.07
Q3 2018	21,222	$4,544	$205.18	$185.72 - $223.00
Q2 2018	21,056	$3,930	$194.92	$184.75 - $202.77
Q1 2018	21,191	$4,227	$205.34	$189.30 - $217.62
Q4 2017	20,222	$4,008	$189.88	$180.44 - $200.50
Q3 2017	20,900	$3,831	$176.72	$168.00 - $184.00
Q2 2017	21,593	$3,657	$166.33	$160.93 - $171.95
Q1 2017	22,999	$3,833	$167.31	$158.61 - $177.86
Q4 2016	23,642	$3,853	$153.96	$141.92 - $167.25
Q3 2016	23,712	$3,426	$146.25	$140.95 - $151.05
Q2 2016	25,515	$3,694	$142.96	$136.65 - $148.03
Q1 2016	22,262	$3,159	$132.58	$123.55 - $143.40
Q4 2015	21,609	$2,853	$134.20	$127.46 - $138.62
Q3 2015	22,628	$2,951	$137.00	$125.50 - $144.69
Q2 2015	21,528	$2,930	$142.63	$136.08 - $148.57
Q1 2015	21,658	$3,126	$147.14	$142.50 - $151.69
Q4 2014	21,371	$3,209	$144.37	$132.03 - $152.94
Q3 2014	20,087	$2,775	$133.21	$122.72 - $142.45
Q2 2014	20,720	$2,622	$126.57	$121.09 - $129.73
Q1 2014	18,800	$2,349	$116.85	$108.12 - $125.91
Q4 2013	17,753	$2,105	$115.63	$110.84 - $118.66
Q3 2013	18,128	$2,058	$115.36	$110.72 - $119.30
Q2 2013	24,728	$2,768	$110.02	$102.69 - $115.98