BERKSHIRE HATHAWAY INC DEL

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

NORRIS PERNE & FRENCH LLP/MI's Holding History (CIK: 0001092290)

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

Q4 2025

Shares 92,206 Value ($000) $46,348 Avg Close $497.53 Range $473.15 - $516.85

Q3 2025

Shares 93,371 Value ($000) $46,942 Avg Close $484.36 Range $455.19 - $507.66

Q2 2025

Shares 92,949 Value ($000) $45,152 Avg Close $507.86 Range $462.10 - $542.07

Q1 2025

Shares 94,263 Value ($000) $50,203 Avg Close $486.15 Range $440.10 - $537.63

Q4 2024

Shares 95,985 Value ($000) $43,508 Avg Close $461.73 Range $437.90 - $491.67

Q3 2024

Shares 133,679 Value ($000) $61,527 Avg Close $442.18 Range $403.82 - $484.82

Q2 2024

Shares 134,725 Value ($000) $54,806 Avg Close $408.62 Range $395.66 - $424.52

Q1 2024

Shares 136,159 Value ($000) $57,258 Avg Close $393.34 Range $355.94 - $430.00

Q4 2023

Shares 138,841 Value ($000) $49,519 Avg Close $350.99 Range $330.58 - $364.05

Q3 2023

Shares 139,222 Value ($000) $48,770 Avg Close $354.77 Range $338.41 - $373.34

Q2 2023

Shares 141,122 Value ($000) $48,122 Avg Close $326.37 Range $307.07 - $342.50

Q1 2023

Shares 141,402 Value ($000) $43,666 Avg Close $308.18 Range $292.42 - $321.32

Q4 2022

Shares 144,135 Value ($000) $44,523 Avg Close $296.98 Range $259.85 - $319.56

Q3 2022

Shares 142,551 Value ($000) $38,064 Avg Close $284.56 Range $261.55 - $308.15

Q2 2022

Shares 135,600 Value ($000) $37,021 Avg Close $313.72 Range $263.68 - $354.58

Q1 2022

Shares 134,281 Value ($000) $47,389 Avg Close $323.46 Range $294.81 - $362.10

Q4 2021

Shares 130,651 Value ($000) $39,065 Avg Close $286.41 Range $272.22 - $301.65

Q3 2021

Shares 128,931 Value ($000) $35,190 Avg Close $280.86 Range $270.73 - $291.82

Q2 2021

Shares 128,830 Value ($000) $35,804 Avg Close $279.44 Range $254.80 - $295.08

Q1 2021

Shares 128,414 Value ($000) $32,806 Avg Close $242.84 Range $226.10 - $267.50

Q4 2020

Shares 125,188 Value ($000) $29,027 Avg Close $220.20 Range $197.81 - $234.99

Q3 2020

Shares 124,419 Value ($000) $26,494 Avg Close $204.56 Range $177.34 - $223.24

Q2 2020

Shares 125,328 Value ($000) $22,372 Avg Close $182.62 Range $167.04 - $203.33

Q1 2020

Shares 99,970 Value ($000) $18,278 Avg Close $212.55 Range $159.50 - $231.61

Q4 2019

Shares 90,115 Value ($000) $20,411 Avg Close $217.17 Range $201.33 - $228.23

Q3 2019

Shares 89,382 Value ($000) $18,593 Avg Close $206.04 Range $195.40 - $216.58

Q2 2019

Shares 91,247 Value ($000) $19,451 Avg Close $206.92 Range $196.89 - $219.16

Q1 2019

Shares 90,635 Value ($000) $18,208 Avg Close $201.85 Range $191.04 - $209.40

Q4 2018

Shares 89,010 Value ($000) $18,174 Avg Close $208.87 Range $186.10 - $224.07

Q3 2018

Shares 88,545 Value ($000) $18,958 Avg Close $205.18 Range $185.72 - $223.00

Q2 2018

Shares 87,246 Value ($000) $16,284 Avg Close $194.92 Range $184.75 - $202.77

Q1 2018

Shares 87,024 Value ($000) $17,360 Avg Close $205.34 Range $189.30 - $217.62

Q4 2017

Shares 87,781 Value ($000) $17,400 Avg Close $189.88 Range $180.44 - $200.50

Q3 2017

Shares 89,756 Value ($000) $16,454 Avg Close $176.72 Range $168.00 - $184.00

Q2 2017

Shares 90,785 Value ($000) $15,376 Avg Close $166.33 Range $160.93 - $171.95

Q1 2017

Shares 80,669 Value ($000) $13,446 Avg Close $167.31 Range $158.61 - $177.86

Q4 2016

Shares 100,239 Value ($000) $16,337 Avg Close $153.96 Range $141.92 - $167.25

Q3 2016

Shares 98,782 Value ($000) $14,271 Avg Close $146.25 Range $140.95 - $151.05

Q2 2016

Shares 100,206 Value ($000) $14,509 Avg Close $142.96 Range $136.65 - $148.03

Q1 2016

Shares 101,485 Value ($000) $14,399 Avg Close $132.58 Range $123.55 - $143.40

Q4 2015

Shares 101,239 Value ($000) $13,368 Avg Close $134.20 Range $127.46 - $138.62

Q3 2015

Shares 98,850 Value ($000) $12,890 Avg Close $137.00 Range $125.50 - $144.69

Q2 2015

Shares 99,693 Value ($000) $13,569 Avg Close $142.63 Range $136.08 - $148.57

Q1 2015

Shares 98,425 Value ($000) $14,205 Avg Close $147.14 Range $142.50 - $151.69

Q4 2014

Shares 99,918 Value ($000) $15,003 Avg Close $144.37 Range $132.03 - $152.94

Q3 2014

Shares 100,615 Value ($000) $13,899 Avg Close $133.21 Range $122.72 - $142.45

Q2 2014

Shares 99,993 Value ($000) $12,655 Avg Close $126.57 Range $121.09 - $129.73

Q1 2014

Shares 101,003 Value ($000) $12,622 Avg Close $116.85 Range $108.12 - $125.91

Q4 2013

Shares 100,336 Value ($000) $11,895 Avg Close $115.63 Range $110.84 - $118.66

Q3 2013

Shares 100,096 Value ($000) $11,361 Avg Close $115.36 Range $110.72 - $119.30

Q2 2013

Shares 102,736 Value ($000) $11,498 Avg Close $110.02 Range $102.69 - $115.98

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	92,206	$46,348	$497.53	$473.15 - $516.85
Q3 2025	93,371	$46,942	$484.36	$455.19 - $507.66
Q2 2025	92,949	$45,152	$507.86	$462.10 - $542.07
Q1 2025	94,263	$50,203	$486.15	$440.10 - $537.63
Q4 2024	95,985	$43,508	$461.73	$437.90 - $491.67
Q3 2024	133,679	$61,527	$442.18	$403.82 - $484.82
Q2 2024	134,725	$54,806	$408.62	$395.66 - $424.52
Q1 2024	136,159	$57,258	$393.34	$355.94 - $430.00
Q4 2023	138,841	$49,519	$350.99	$330.58 - $364.05
Q3 2023	139,222	$48,770	$354.77	$338.41 - $373.34
Q2 2023	141,122	$48,122	$326.37	$307.07 - $342.50
Q1 2023	141,402	$43,666	$308.18	$292.42 - $321.32
Q4 2022	144,135	$44,523	$296.98	$259.85 - $319.56
Q3 2022	142,551	$38,064	$284.56	$261.55 - $308.15
Q2 2022	135,600	$37,021	$313.72	$263.68 - $354.58
Q1 2022	134,281	$47,389	$323.46	$294.81 - $362.10
Q4 2021	130,651	$39,065	$286.41	$272.22 - $301.65
Q3 2021	128,931	$35,190	$280.86	$270.73 - $291.82
Q2 2021	128,830	$35,804	$279.44	$254.80 - $295.08
Q1 2021	128,414	$32,806	$242.84	$226.10 - $267.50
Q4 2020	125,188	$29,027	$220.20	$197.81 - $234.99
Q3 2020	124,419	$26,494	$204.56	$177.34 - $223.24
Q2 2020	125,328	$22,372	$182.62	$167.04 - $203.33
Q1 2020	99,970	$18,278	$212.55	$159.50 - $231.61
Q4 2019	90,115	$20,411	$217.17	$201.33 - $228.23
Q3 2019	89,382	$18,593	$206.04	$195.40 - $216.58
Q2 2019	91,247	$19,451	$206.92	$196.89 - $219.16
Q1 2019	90,635	$18,208	$201.85	$191.04 - $209.40
Q4 2018	89,010	$18,174	$208.87	$186.10 - $224.07
Q3 2018	88,545	$18,958	$205.18	$185.72 - $223.00
Q2 2018	87,246	$16,284	$194.92	$184.75 - $202.77
Q1 2018	87,024	$17,360	$205.34	$189.30 - $217.62
Q4 2017	87,781	$17,400	$189.88	$180.44 - $200.50
Q3 2017	89,756	$16,454	$176.72	$168.00 - $184.00
Q2 2017	90,785	$15,376	$166.33	$160.93 - $171.95
Q1 2017	80,669	$13,446	$167.31	$158.61 - $177.86
Q4 2016	100,239	$16,337	$153.96	$141.92 - $167.25
Q3 2016	98,782	$14,271	$146.25	$140.95 - $151.05
Q2 2016	100,206	$14,509	$142.96	$136.65 - $148.03
Q1 2016	101,485	$14,399	$132.58	$123.55 - $143.40
Q4 2015	101,239	$13,368	$134.20	$127.46 - $138.62
Q3 2015	98,850	$12,890	$137.00	$125.50 - $144.69
Q2 2015	99,693	$13,569	$142.63	$136.08 - $148.57
Q1 2015	98,425	$14,205	$147.14	$142.50 - $151.69
Q4 2014	99,918	$15,003	$144.37	$132.03 - $152.94
Q3 2014	100,615	$13,899	$133.21	$122.72 - $142.45
Q2 2014	99,993	$12,655	$126.57	$121.09 - $129.73
Q1 2014	101,003	$12,622	$116.85	$108.12 - $125.91
Q4 2013	100,336	$11,895	$115.63	$110.84 - $118.66
Q3 2013	100,096	$11,361	$115.36	$110.72 - $119.30
Q2 2013	102,736	$11,498	$110.02	$102.69 - $115.98