BERKSHIRE HATHAWAY INC DEL

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

BOSTON FAMILY OFFICE LLC's Holding History (CIK: 0001039807)

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

Q4 2025

Shares 60,552 Value ($000) $30 Avg Close $497.53 Range $473.15 - $516.85

Q3 2025

Shares 58,964 Value ($000) $30 Avg Close $484.36 Range $455.19 - $507.66

Q2 2025

Shares 59,040 Value ($000) $29 Avg Close $507.86 Range $462.10 - $542.07

Q1 2025

Shares 59,517 Value ($000) $32 Avg Close $486.15 Range $440.10 - $537.63

Q4 2024

Shares 61,112 Value ($000) $28 Avg Close $461.73 Range $437.90 - $491.67

Q3 2024

Shares 61,189 Value ($000) $28 Avg Close $442.18 Range $403.82 - $484.82

Q2 2024

Shares 61,651 Value ($000) $25 Avg Close $408.62 Range $395.66 - $424.52

Q1 2024

Shares 61,797 Value ($000) $26 Avg Close $393.34 Range $355.94 - $430.00

Q4 2023

Shares 62,113 Value ($000) $22 Avg Close $350.99 Range $330.58 - $364.05

Q3 2023

Shares 63,179 Value ($000) $22 Avg Close $354.77 Range $338.41 - $373.34

Q2 2023

Shares 63,335 Value ($000) $22 Avg Close $326.37 Range $307.07 - $342.50

Q1 2023

Shares 65,078 Value ($000) $20 Avg Close $308.18 Range $292.42 - $321.32

Q4 2022

Shares 66,071 Value ($000) $20 Avg Close $296.98 Range $259.85 - $319.56

Q3 2022

Shares 66,221 Value ($000) $17,682 Avg Close $284.56 Range $261.55 - $308.15

Q2 2022

Shares 66,743 Value ($000) $18,222 Avg Close $313.72 Range $263.68 - $354.58

Q1 2022

Shares 68,484 Value ($000) $24,169 Avg Close $323.46 Range $294.81 - $362.10

Q4 2021

Shares 68,468 Value ($000) $20,472 Avg Close $286.41 Range $272.22 - $301.65

Q3 2021

Shares 68,006 Value ($000) $18,562 Avg Close $280.86 Range $270.73 - $291.82

Q2 2021

Shares 68,028 Value ($000) $18,906 Avg Close $279.44 Range $254.80 - $295.08

Q1 2021

Shares 66,437 Value ($000) $16,977 Avg Close $242.84 Range $226.10 - $267.50

Q4 2020

Shares 65,771 Value ($000) $15,250 Avg Close $220.20 Range $197.81 - $234.99

Q3 2020

Shares 65,821 Value ($000) $14,016 Avg Close $204.56 Range $177.34 - $223.24

Q2 2020

Shares 65,489 Value ($000) $11,690 Avg Close $182.62 Range $167.04 - $203.33

Q1 2020

Shares 65,855 Value ($000) $12,040 Avg Close $212.55 Range $159.50 - $231.61

Q4 2019

Shares 65,366 Value ($000) $14,805 Avg Close $217.17 Range $201.33 - $228.23

Q3 2019

Shares 65,255 Value ($000) $13,574 Avg Close $206.04 Range $195.40 - $216.58

Q2 2019

Shares 64,958 Value ($000) $13,847 Avg Close $206.92 Range $196.89 - $219.16

Q1 2019

Shares 63,953 Value ($000) $12,848 Avg Close $201.85 Range $191.04 - $209.40

Q4 2018

Shares 64,390 Value ($000) $13,147 Avg Close $208.87 Range $186.10 - $224.07

Q3 2018

Shares 66,465 Value ($000) $14,231 Avg Close $205.18 Range $185.72 - $223.00

Q2 2018

Shares 66,787 Value ($000) $12,466 Avg Close $194.92 Range $184.75 - $202.77

Q1 2018

Shares 65,462 Value ($000) $13,058 Avg Close $205.34 Range $189.30 - $217.62

Q4 2017

Shares 66,742 Value ($000) $13,230 Avg Close $189.88 Range $180.44 - $200.50

Q3 2017

Shares 66,732 Value ($000) $12,233 Avg Close $176.72 Range $168.00 - $184.00

Q2 2017

Shares 67,551 Value ($000) $11,441 Avg Close $166.33 Range $160.93 - $171.95

Q1 2017

Shares 67,676 Value ($000) $11,280 Avg Close $167.31 Range $158.61 - $177.86

Q4 2016

Shares 68,158 Value ($000) $11,108 Avg Close $153.96 Range $141.92 - $167.25

Q3 2016

Shares 68,774 Value ($000) $9,936 Avg Close $146.25 Range $140.95 - $151.05

Q2 2016

Shares 68,801 Value ($000) $9,962 Avg Close $142.96 Range $136.65 - $148.03

Q1 2016

Shares 69,216 Value ($000) $9,820 Avg Close $132.58 Range $123.55 - $143.40

Q4 2015

Shares 67,819 Value ($000) $8,955 Avg Close $134.20 Range $127.46 - $138.62

Q3 2015

Shares 68,285 Value ($000) $8,904 Avg Close $137.00 Range $125.50 - $144.69

Q2 2015

Shares 68,532 Value ($000) $9,328 Avg Close $142.63 Range $136.08 - $148.57

Q1 2015

Shares 68,632 Value ($000) $9,905 Avg Close $147.14 Range $142.50 - $151.69

Q4 2014

Shares 69,174 Value ($000) $10,386 Avg Close $144.37 Range $132.03 - $152.94

Q3 2014

Shares 69,696 Value ($000) $9,628 Avg Close $133.21 Range $122.72 - $142.45

Q2 2014

Shares 69,568 Value ($000) $8,805 Avg Close $126.57 Range $121.09 - $129.73

Q1 2014

Shares 73,499 Value ($000) $9,185 Avg Close $116.85 Range $108.12 - $125.91

Q4 2013

Shares 74,649 Value ($000) $8,850 Avg Close $115.63 Range $110.84 - $118.66

Q3 2013

Shares 48,074 Value ($000) $5,457 Avg Close $115.36 Range $110.72 - $119.30

Q2 2013

Shares 48,324 Value ($000) $5,408 Avg Close $110.02 Range $102.69 - $115.98

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	60,552	$30	$497.53	$473.15 - $516.85
Q3 2025	58,964	$30	$484.36	$455.19 - $507.66
Q2 2025	59,040	$29	$507.86	$462.10 - $542.07
Q1 2025	59,517	$32	$486.15	$440.10 - $537.63
Q4 2024	61,112	$28	$461.73	$437.90 - $491.67
Q3 2024	61,189	$28	$442.18	$403.82 - $484.82
Q2 2024	61,651	$25	$408.62	$395.66 - $424.52
Q1 2024	61,797	$26	$393.34	$355.94 - $430.00
Q4 2023	62,113	$22	$350.99	$330.58 - $364.05
Q3 2023	63,179	$22	$354.77	$338.41 - $373.34
Q2 2023	63,335	$22	$326.37	$307.07 - $342.50
Q1 2023	65,078	$20	$308.18	$292.42 - $321.32
Q4 2022	66,071	$20	$296.98	$259.85 - $319.56
Q3 2022	66,221	$17,682	$284.56	$261.55 - $308.15
Q2 2022	66,743	$18,222	$313.72	$263.68 - $354.58
Q1 2022	68,484	$24,169	$323.46	$294.81 - $362.10
Q4 2021	68,468	$20,472	$286.41	$272.22 - $301.65
Q3 2021	68,006	$18,562	$280.86	$270.73 - $291.82
Q2 2021	68,028	$18,906	$279.44	$254.80 - $295.08
Q1 2021	66,437	$16,977	$242.84	$226.10 - $267.50
Q4 2020	65,771	$15,250	$220.20	$197.81 - $234.99
Q3 2020	65,821	$14,016	$204.56	$177.34 - $223.24
Q2 2020	65,489	$11,690	$182.62	$167.04 - $203.33
Q1 2020	65,855	$12,040	$212.55	$159.50 - $231.61
Q4 2019	65,366	$14,805	$217.17	$201.33 - $228.23
Q3 2019	65,255	$13,574	$206.04	$195.40 - $216.58
Q2 2019	64,958	$13,847	$206.92	$196.89 - $219.16
Q1 2019	63,953	$12,848	$201.85	$191.04 - $209.40
Q4 2018	64,390	$13,147	$208.87	$186.10 - $224.07
Q3 2018	66,465	$14,231	$205.18	$185.72 - $223.00
Q2 2018	66,787	$12,466	$194.92	$184.75 - $202.77
Q1 2018	65,462	$13,058	$205.34	$189.30 - $217.62
Q4 2017	66,742	$13,230	$189.88	$180.44 - $200.50
Q3 2017	66,732	$12,233	$176.72	$168.00 - $184.00
Q2 2017	67,551	$11,441	$166.33	$160.93 - $171.95
Q1 2017	67,676	$11,280	$167.31	$158.61 - $177.86
Q4 2016	68,158	$11,108	$153.96	$141.92 - $167.25
Q3 2016	68,774	$9,936	$146.25	$140.95 - $151.05
Q2 2016	68,801	$9,962	$142.96	$136.65 - $148.03
Q1 2016	69,216	$9,820	$132.58	$123.55 - $143.40
Q4 2015	67,819	$8,955	$134.20	$127.46 - $138.62
Q3 2015	68,285	$8,904	$137.00	$125.50 - $144.69
Q2 2015	68,532	$9,328	$142.63	$136.08 - $148.57
Q1 2015	68,632	$9,905	$147.14	$142.50 - $151.69
Q4 2014	69,174	$10,386	$144.37	$132.03 - $152.94
Q3 2014	69,696	$9,628	$133.21	$122.72 - $142.45
Q2 2014	69,568	$8,805	$126.57	$121.09 - $129.73
Q1 2014	73,499	$9,185	$116.85	$108.12 - $125.91
Q4 2013	74,649	$8,850	$115.63	$110.84 - $118.66
Q3 2013	48,074	$5,457	$115.36	$110.72 - $119.30
Q2 2013	48,324	$5,408	$110.02	$102.69 - $115.98