BERKSHIRE HATHAWAY INC DEL

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

Osher Van de Voorde Investment Management's Holding History (CIK: 0001569174)

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

Q4 2025

Shares 37,948 Value ($000) $19,075 Avg Close $497.53 Range $473.15 - $516.85

Q3 2025

Shares 36,455 Value ($000) $18,327 Avg Close $484.36 Range $455.19 - $507.66

Q2 2025

Shares 36,638 Value ($000) $17,798 Avg Close $507.86 Range $462.10 - $542.07

Q1 2025

Shares 38,856 Value ($000) $20,694 Avg Close $486.15 Range $440.10 - $537.63

Q4 2024

Shares 43,917 Value ($000) $19,907 Avg Close $461.73 Range $437.90 - $491.67

Q3 2024

Shares 44,356 Value ($000) $20,415 Avg Close $442.18 Range $403.82 - $484.82

Q2 2024

Shares 44,515 Value ($000) $18,109 Avg Close $408.62 Range $395.66 - $424.52

Q1 2024

Shares 44,886 Value ($000) $18,875 Avg Close $393.34 Range $355.94 - $430.00

Q4 2023

Shares 55,774 Value ($000) $19,892 Avg Close $350.99 Range $330.58 - $364.05

Q3 2023

Shares 53,119 Value ($000) $18,608 Avg Close $354.77 Range $338.41 - $373.34

Q2 2023

Shares 53,129 Value ($000) $18,117 Avg Close $326.37 Range $307.07 - $342.50

Q1 2023

Shares 53,722 Value ($000) $16,588 Avg Close $308.18 Range $292.42 - $321.32

Q4 2022

Shares 54,777 Value ($000) $16,921 Avg Close $296.98 Range $259.85 - $319.56

Q3 2022

Shares 55,260 Value ($000) $14,756 Avg Close $284.56 Range $261.55 - $308.15

Q2 2022

Shares 51,243 Value ($000) $13,990 Avg Close $313.72 Range $263.68 - $354.58

Q1 2022

Shares 65,111 Value ($000) $22,978 Avg Close $323.46 Range $294.81 - $362.10

Q4 2021

Shares 64,066 Value ($000) $19,156 Avg Close $286.41 Range $272.22 - $301.65

Q3 2021

Shares 63,096 Value ($000) $17,221 Avg Close $280.86 Range $270.73 - $291.82

Q2 2021

Shares 61,511 Value ($000) $17,095 Avg Close $279.44 Range $254.80 - $295.08

Q1 2021

Shares 61,226 Value ($000) $15,641 Avg Close $242.84 Range $226.10 - $267.50

Q4 2020

Shares 60,876 Value ($000) $14,115 Avg Close $220.20 Range $197.81 - $234.99

Q3 2020

Shares 59,971 Value ($000) $12,770 Avg Close $204.56 Range $177.34 - $223.24

Q2 2020

Shares 56,788 Value ($000) $10,137 Avg Close $182.62 Range $167.04 - $203.33

Q1 2020

Shares 56,801 Value ($000) $10,385 Avg Close $212.55 Range $159.50 - $231.61

Q4 2019

Shares 47,981 Value ($000) $10,868 Avg Close $217.17 Range $201.33 - $228.23

Q3 2019

Shares 48,116 Value ($000) $10,009 Avg Close $206.04 Range $195.40 - $216.58

Q2 2019

Shares 47,688 Value ($000) $10,166 Avg Close $206.92 Range $196.89 - $219.16

Q1 2019

Shares 47,117 Value ($000) $9,465 Avg Close $201.85 Range $191.04 - $209.40

Q4 2018

Shares 46,837 Value ($000) $9,563 Avg Close $208.87 Range $186.10 - $224.07

Q3 2018

Shares 46,565 Value ($000) $9,970 Avg Close $205.18 Range $185.72 - $223.00

Q2 2018

Shares 46,200 Value ($000) $8,623 Avg Close $194.92 Range $184.75 - $202.77

Q1 2018

Shares 46,560 Value ($000) $9,288 Avg Close $205.34 Range $189.30 - $217.62

Q4 2017

Shares 51,395 Value ($000) $9,422 Avg Close $189.88 Range $180.44 - $200.50

Q3 2017

Shares 51,395 Value ($000) $9,422 Avg Close $176.72 Range $168.00 - $184.00

Q2 2017

Shares 51,660 Value ($000) $8,750 Avg Close $166.33 Range $160.93 - $171.95

Q1 2017

Shares 52,540 Value ($000) $8,757 Avg Close $167.31 Range $158.61 - $177.86

Q4 2016

Shares 58,405 Value ($000) $9,519 Avg Close $153.96 Range $141.92 - $167.25

Q3 2016

Shares 63,103 Value ($000) $9,116 Avg Close $146.25 Range $140.95 - $151.05

Q2 2016

Shares 62,171 Value ($000) $9,002 Avg Close $142.96 Range $136.65 - $148.03

Q1 2016

Shares 61,396 Value ($000) $8,711 Avg Close $132.58 Range $123.55 - $143.40

Q4 2015

Shares 61,191 Value ($000) $8,080 Avg Close $134.20 Range $127.46 - $138.62

Q3 2015

Shares 61,368 Value ($000) $8,002 Avg Close $137.00 Range $125.50 - $144.69

Q2 2015

Shares 58,853 Value ($000) $8,010 Avg Close $142.63 Range $136.08 - $148.57

Q1 2015

Shares 58,078 Value ($000) $8,382 Avg Close $147.14 Range $142.50 - $151.69

Q4 2014

Shares 58,043 Value ($000) $8,715 Avg Close $144.37 Range $132.03 - $152.94

Q3 2014

Shares 58,218 Value ($000) $8,042 Avg Close $133.21 Range $122.72 - $142.45

Q2 2014

Shares 58,168 Value ($000) $7,445 Avg Close $126.57 Range $121.09 - $129.73

Q1 2014

Shares 63,618 Value ($000) $7,950 Avg Close $116.85 Range $108.12 - $125.91

Q4 2013

Shares 56,668 Value ($000) $6,719 Avg Close $115.63 Range $110.84 - $118.66

Q3 2013

Shares 56,693 Value ($000) $6,435 Avg Close $115.36 Range $110.72 - $119.30

Q2 2013

Shares 57,193 Value ($000) $6,401 Avg Close $110.02 Range $102.69 - $115.98

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	37,948	$19,075	$497.53	$473.15 - $516.85
Q3 2025	36,455	$18,327	$484.36	$455.19 - $507.66
Q2 2025	36,638	$17,798	$507.86	$462.10 - $542.07
Q1 2025	38,856	$20,694	$486.15	$440.10 - $537.63
Q4 2024	43,917	$19,907	$461.73	$437.90 - $491.67
Q3 2024	44,356	$20,415	$442.18	$403.82 - $484.82
Q2 2024	44,515	$18,109	$408.62	$395.66 - $424.52
Q1 2024	44,886	$18,875	$393.34	$355.94 - $430.00
Q4 2023	55,774	$19,892	$350.99	$330.58 - $364.05
Q3 2023	53,119	$18,608	$354.77	$338.41 - $373.34
Q2 2023	53,129	$18,117	$326.37	$307.07 - $342.50
Q1 2023	53,722	$16,588	$308.18	$292.42 - $321.32
Q4 2022	54,777	$16,921	$296.98	$259.85 - $319.56
Q3 2022	55,260	$14,756	$284.56	$261.55 - $308.15
Q2 2022	51,243	$13,990	$313.72	$263.68 - $354.58
Q1 2022	65,111	$22,978	$323.46	$294.81 - $362.10
Q4 2021	64,066	$19,156	$286.41	$272.22 - $301.65
Q3 2021	63,096	$17,221	$280.86	$270.73 - $291.82
Q2 2021	61,511	$17,095	$279.44	$254.80 - $295.08
Q1 2021	61,226	$15,641	$242.84	$226.10 - $267.50
Q4 2020	60,876	$14,115	$220.20	$197.81 - $234.99
Q3 2020	59,971	$12,770	$204.56	$177.34 - $223.24
Q2 2020	56,788	$10,137	$182.62	$167.04 - $203.33
Q1 2020	56,801	$10,385	$212.55	$159.50 - $231.61
Q4 2019	47,981	$10,868	$217.17	$201.33 - $228.23
Q3 2019	48,116	$10,009	$206.04	$195.40 - $216.58
Q2 2019	47,688	$10,166	$206.92	$196.89 - $219.16
Q1 2019	47,117	$9,465	$201.85	$191.04 - $209.40
Q4 2018	46,837	$9,563	$208.87	$186.10 - $224.07
Q3 2018	46,565	$9,970	$205.18	$185.72 - $223.00
Q2 2018	46,200	$8,623	$194.92	$184.75 - $202.77
Q1 2018	46,560	$9,288	$205.34	$189.30 - $217.62
Q4 2017	51,395	$9,422	$189.88	$180.44 - $200.50
Q3 2017	51,395	$9,422	$176.72	$168.00 - $184.00
Q2 2017	51,660	$8,750	$166.33	$160.93 - $171.95
Q1 2017	52,540	$8,757	$167.31	$158.61 - $177.86
Q4 2016	58,405	$9,519	$153.96	$141.92 - $167.25
Q3 2016	63,103	$9,116	$146.25	$140.95 - $151.05
Q2 2016	62,171	$9,002	$142.96	$136.65 - $148.03
Q1 2016	61,396	$8,711	$132.58	$123.55 - $143.40
Q4 2015	61,191	$8,080	$134.20	$127.46 - $138.62
Q3 2015	61,368	$8,002	$137.00	$125.50 - $144.69
Q2 2015	58,853	$8,010	$142.63	$136.08 - $148.57
Q1 2015	58,078	$8,382	$147.14	$142.50 - $151.69
Q4 2014	58,043	$8,715	$144.37	$132.03 - $152.94
Q3 2014	58,218	$8,042	$133.21	$122.72 - $142.45
Q2 2014	58,168	$7,445	$126.57	$121.09 - $129.73
Q1 2014	63,618	$7,950	$116.85	$108.12 - $125.91
Q4 2013	56,668	$6,719	$115.63	$110.84 - $118.66
Q3 2013	56,693	$6,435	$115.36	$110.72 - $119.30
Q2 2013	57,193	$6,401	$110.02	$102.69 - $115.98