BERKSHIRE HATHAWAY INC DEL

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

M&T Bank Corp's Holding History (CIK: 0000036270)

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

Q4 2025

Shares 281,923 Value ($000) $141,709 Avg Close $497.53 Range $473.15 - $516.85

Q3 2025

Shares 261,099 Value ($000) $131,265 Avg Close $484.36 Range $455.19 - $507.66

Q2 2025

Shares 292,106 Value ($000) $141,896 Avg Close $507.86 Range $462.10 - $542.07

Q1 2025

Shares 296,904 Value ($000) $158,125 Avg Close $486.15 Range $440.10 - $537.63

Q3 2024

Shares 298,860 Value ($000) $137,553 Avg Close $442.18 Range $403.82 - $484.82

Q2 2024

Shares 299,734 Value ($000) $121,932 Avg Close $408.62 Range $395.66 - $424.52

Q1 2024

Shares 302,632 Value ($000) $127,263 Avg Close $393.34 Range $355.94 - $430.00

Q4 2023

Shares 297,375 Value ($000) $106,062 Avg Close $350.99 Range $330.58 - $364.05

Q3 2023

Shares 310,396 Value ($000) $108,732 Avg Close $354.77 Range $338.41 - $373.34

Q2 2023

Shares 329,143 Value ($000) $112,238 Avg Close $326.37 Range $307.07 - $342.50

Q1 2023

Shares 387,265 Value ($000) $119,576 Avg Close $308.18 Range $292.42 - $321.32

Q4 2022

Shares 400,456 Value ($000) $123,701 Avg Close $296.98 Range $259.85 - $319.56

Q3 2022

Shares 349,397 Value ($000) $93,296 Avg Close $284.56 Range $261.55 - $308.15

Q2 2022

Shares 368,057 Value ($000) $79,509 Avg Close $313.72 Range $263.68 - $354.58

Q1 2022

Shares 267,912 Value ($000) $94,548 Avg Close $323.46 Range $294.81 - $362.10

Q4 2021

Shares 292,505 Value ($000) $87,460 Avg Close $286.41 Range $272.22 - $301.65

Q3 2021

Shares 301,737 Value ($000) $82,356 Avg Close $280.86 Range $270.73 - $291.82

Q2 2021

Shares 308,527 Value ($000) $85,746 Avg Close $279.44 Range $254.80 - $295.08

Q1 2021

Shares 343,855 Value ($000) $87,842 Avg Close $242.84 Range $226.10 - $267.50

Q4 2020

Shares 438,727 Value ($000) $101,729 Avg Close $220.20 Range $197.81 - $234.99

Q3 2020

Shares 443,302 Value ($000) $94,397 Avg Close $204.56 Range $177.34 - $223.24

Q2 2020

Shares 453,182 Value ($000) $80,897 Avg Close $182.62 Range $167.04 - $203.33

Q1 2020

Shares 472,904 Value ($000) $86,461 Avg Close $212.55 Range $159.50 - $231.61

Q3 2019

Shares 458,278 Value ($000) $95,331 Avg Close $206.04 Range $195.40 - $216.58

Q2 2019

Shares 445,634 Value ($000) $94,996 Avg Close $206.92 Range $196.89 - $219.16

Q1 2019

Shares 446,127 Value ($000) $89,623 Avg Close $201.85 Range $191.04 - $209.40

Q4 2018

Shares 413,579 Value ($000) $84,445 Avg Close $208.87 Range $186.10 - $224.07

Q3 2018

Shares 418,572 Value ($000) $89,621 Avg Close $205.18 Range $185.72 - $223.00

Q2 2018

Shares 426,298 Value ($000) $79,570 Avg Close $194.92 Range $184.75 - $202.77

Q1 2018

Shares 424,222 Value ($000) $84,623 Avg Close $205.34 Range $189.30 - $217.62

Q4 2017

Shares 422,267 Value ($000) $83,702 Avg Close $189.88 Range $180.44 - $200.50

Q3 2017

Shares 418,236 Value ($000) $76,673 Avg Close $176.72 Range $168.00 - $184.00

Q2 2017

Shares 407,909 Value ($000) $69,087 Avg Close $166.33 Range $160.93 - $171.95

Q1 2017

Shares 380,120 Value ($000) $63,357 Avg Close $167.31 Range $158.61 - $177.86

Q4 2016

Shares 387,071 Value ($000) $63,084 Avg Close $153.96 Range $141.92 - $167.25

Q3 2016

Shares 379,656 Value ($000) $54,851 Avg Close $146.25 Range $140.95 - $151.05

Q2 2016

Shares 380,448 Value ($000) $55,085 Avg Close $142.96 Range $136.65 - $148.03

Q1 2016

Shares 383,826 Value ($000) $54,457 Avg Close $132.58 Range $123.55 - $143.40

Q4 2015

Shares 413,962 Value ($000) $54,658 Avg Close $134.20 Range $127.46 - $138.62

Q3 2015

Shares 408,226 Value ($000) $53,232 Avg Close $137.00 Range $125.50 - $144.69

Q2 2015

Shares 326,904 Value ($000) $44,494 Avg Close $142.63 Range $136.08 - $148.57

Q1 2015

Shares 342,679 Value ($000) $49,456 Avg Close $147.14 Range $142.50 - $151.69

Q4 2014

Shares 335,602 Value ($000) $50,390 Avg Close $144.37 Range $132.03 - $152.94

Q3 2014

Shares 327,342 Value ($000) $45,219 Avg Close $133.21 Range $122.72 - $142.45

Q2 2014

Shares 37,282 Value ($000) $4,718 Avg Close $126.57 Range $121.09 - $129.73

Q1 2014

Shares 43,395 Value ($000) $5,423 Avg Close $116.85 Range $108.12 - $125.91

Q4 2013

Shares 46,760 Value ($000) $5,544 Avg Close $115.63 Range $110.84 - $118.66

Q3 2013

Shares 50,135 Value ($000) $5,691 Avg Close $115.36 Range $110.72 - $119.30

Q2 2013

Shares 54,452 Value ($000) $6,094 Avg Close $110.02 Range $102.69 - $115.98

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	281,923	$141,709	$497.53	$473.15 - $516.85
Q3 2025	261,099	$131,265	$484.36	$455.19 - $507.66
Q2 2025	292,106	$141,896	$507.86	$462.10 - $542.07
Q1 2025	296,904	$158,125	$486.15	$440.10 - $537.63
Q3 2024	298,860	$137,553	$442.18	$403.82 - $484.82
Q2 2024	299,734	$121,932	$408.62	$395.66 - $424.52
Q1 2024	302,632	$127,263	$393.34	$355.94 - $430.00
Q4 2023	297,375	$106,062	$350.99	$330.58 - $364.05
Q3 2023	310,396	$108,732	$354.77	$338.41 - $373.34
Q2 2023	329,143	$112,238	$326.37	$307.07 - $342.50
Q1 2023	387,265	$119,576	$308.18	$292.42 - $321.32
Q4 2022	400,456	$123,701	$296.98	$259.85 - $319.56
Q3 2022	349,397	$93,296	$284.56	$261.55 - $308.15
Q2 2022	368,057	$79,509	$313.72	$263.68 - $354.58
Q1 2022	267,912	$94,548	$323.46	$294.81 - $362.10
Q4 2021	292,505	$87,460	$286.41	$272.22 - $301.65
Q3 2021	301,737	$82,356	$280.86	$270.73 - $291.82
Q2 2021	308,527	$85,746	$279.44	$254.80 - $295.08
Q1 2021	343,855	$87,842	$242.84	$226.10 - $267.50
Q4 2020	438,727	$101,729	$220.20	$197.81 - $234.99
Q3 2020	443,302	$94,397	$204.56	$177.34 - $223.24
Q2 2020	453,182	$80,897	$182.62	$167.04 - $203.33
Q1 2020	472,904	$86,461	$212.55	$159.50 - $231.61
Q3 2019	458,278	$95,331	$206.04	$195.40 - $216.58
Q2 2019	445,634	$94,996	$206.92	$196.89 - $219.16
Q1 2019	446,127	$89,623	$201.85	$191.04 - $209.40
Q4 2018	413,579	$84,445	$208.87	$186.10 - $224.07
Q3 2018	418,572	$89,621	$205.18	$185.72 - $223.00
Q2 2018	426,298	$79,570	$194.92	$184.75 - $202.77
Q1 2018	424,222	$84,623	$205.34	$189.30 - $217.62
Q4 2017	422,267	$83,702	$189.88	$180.44 - $200.50
Q3 2017	418,236	$76,673	$176.72	$168.00 - $184.00
Q2 2017	407,909	$69,087	$166.33	$160.93 - $171.95
Q1 2017	380,120	$63,357	$167.31	$158.61 - $177.86
Q4 2016	387,071	$63,084	$153.96	$141.92 - $167.25
Q3 2016	379,656	$54,851	$146.25	$140.95 - $151.05
Q2 2016	380,448	$55,085	$142.96	$136.65 - $148.03
Q1 2016	383,826	$54,457	$132.58	$123.55 - $143.40
Q4 2015	413,962	$54,658	$134.20	$127.46 - $138.62
Q3 2015	408,226	$53,232	$137.00	$125.50 - $144.69
Q2 2015	326,904	$44,494	$142.63	$136.08 - $148.57
Q1 2015	342,679	$49,456	$147.14	$142.50 - $151.69
Q4 2014	335,602	$50,390	$144.37	$132.03 - $152.94
Q3 2014	327,342	$45,219	$133.21	$122.72 - $142.45
Q2 2014	37,282	$4,718	$126.57	$121.09 - $129.73
Q1 2014	43,395	$5,423	$116.85	$108.12 - $125.91
Q4 2013	46,760	$5,544	$115.63	$110.84 - $118.66
Q3 2013	50,135	$5,691	$115.36	$110.72 - $119.30
Q2 2013	54,452	$6,094	$110.02	$102.69 - $115.98