BERKSHIRE HATHAWAY INC DEL

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

CANANDAIGUA NATIONAL BANK & TRUST CO's Holding History (CIK: 0001074266)

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

Q4 2025

Shares 6,357 Value ($000) $3,195 Avg Close $497.53 Range $473.15 - $516.85

Q3 2025

Shares 6,627 Value ($000) $3,332 Avg Close $484.36 Range $455.19 - $507.66

Q2 2025

Shares 6,957 Value ($000) $3,380 Avg Close $507.86 Range $462.10 - $542.07

Q1 2025

Shares 7,135 Value ($000) $3,800 Avg Close $486.15 Range $440.10 - $537.63

Q4 2024

Shares 6,025 Value ($000) $2,731 Avg Close $461.73 Range $437.90 - $491.67

Q3 2024

Shares 6,120 Value ($000) $2,817 Avg Close $442.18 Range $403.82 - $484.82

Q2 2024

Shares 6,696 Value ($000) $2,724 Avg Close $408.62 Range $395.66 - $424.52

Q1 2024

Shares 6,824 Value ($000) $2,870 Avg Close $393.34 Range $355.94 - $430.00

Q4 2023

Shares 7,515 Value ($000) $2,680 Avg Close $350.99 Range $330.58 - $364.05

Q3 2023

Shares 7,655 Value ($000) $2,682 Avg Close $354.77 Range $338.41 - $373.34

Q2 2023

Shares 8,017 Value ($000) $2,734 Avg Close $326.37 Range $307.07 - $342.50

Q1 2023

Shares 8,231 Value ($000) $3 Avg Close $308.18 Range $292.42 - $321.32

Q1 2020

Shares 5,458 Value ($000) $998 Avg Close $212.55 Range $159.50 - $231.61

Q4 2019

Shares 5,470 Value ($000) $1,239 Avg Close $217.17 Range $201.33 - $228.23

Q3 2019

Shares 5,568 Value ($000) $1,158 Avg Close $206.04 Range $195.40 - $216.58

Q2 2019

Shares 6,345 Value ($000) $1,353 Avg Close $206.92 Range $196.89 - $219.16

Q1 2019

Shares 6,198 Value ($000) $1,245 Avg Close $201.85 Range $191.04 - $209.40

Q4 2018

Shares 6,148 Value ($000) $1,255 Avg Close $208.87 Range $186.10 - $224.07

Q3 2018

Shares 6,152 Value ($000) $1,317 Avg Close $205.18 Range $185.72 - $223.00

Q2 2018

Shares 6,401 Value ($000) $1,195 Avg Close $194.92 Range $184.75 - $202.77

Q1 2018

Shares 5,922 Value ($000) $1,181 Avg Close $205.34 Range $189.30 - $217.62

Q4 2017

Shares 5,496 Value ($000) $1,089 Avg Close $189.88 Range $180.44 - $200.50

Q3 2017

Shares 5,443 Value ($000) $998 Avg Close $176.72 Range $168.00 - $184.00

Q2 2017

Shares 5,430 Value ($000) $920 Avg Close $166.33 Range $160.93 - $171.95

Q1 2017

Shares 5,338 Value ($000) $889 Avg Close $167.31 Range $158.61 - $177.86

Q4 2016

Shares 6,491 Value ($000) $1,057 Avg Close $153.96 Range $141.92 - $167.25

Q3 2016

Shares 6,491 Value ($000) $938 Avg Close $146.25 Range $140.95 - $151.05

Q2 2016

Shares 6,500 Value ($000) $941 Avg Close $142.96 Range $136.65 - $148.03

Q1 2016

Shares 7,595 Value ($000) $1,078 Avg Close $132.58 Range $123.55 - $143.40

Q4 2015

Shares 7,535 Value ($000) $995 Avg Close $134.20 Range $127.46 - $138.62

Q3 2015

Shares 7,535 Value ($000) $983 Avg Close $137.00 Range $125.50 - $144.69

Q2 2015

Shares 7,149 Value ($000) $973 Avg Close $142.63 Range $136.08 - $148.57

Q1 2015

Shares 6,999 Value ($000) $1,010 Avg Close $147.14 Range $142.50 - $151.69

Q4 2014

Shares 6,424 Value ($000) $965 Avg Close $144.37 Range $132.03 - $152.94

Q3 2014

Shares 6,424 Value ($000) $887 Avg Close $133.21 Range $122.72 - $142.45

Q2 2014

Shares 5,579 Value ($000) $706 Avg Close $126.57 Range $121.09 - $129.73

Q1 2014

Shares 6,079 Value ($000) $760 Avg Close $116.85 Range $108.12 - $125.91

Q4 2013

Shares 6,074 Value ($000) $720 Avg Close $115.63 Range $110.84 - $118.66

Q3 2013

Shares 4,624 Value ($000) $525 Avg Close $115.36 Range $110.72 - $119.30

Q2 2013

Shares 4,274 Value ($000) $478 Avg Close $110.02 Range $102.69 - $115.98

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	6,357	$3,195	$497.53	$473.15 - $516.85
Q3 2025	6,627	$3,332	$484.36	$455.19 - $507.66
Q2 2025	6,957	$3,380	$507.86	$462.10 - $542.07
Q1 2025	7,135	$3,800	$486.15	$440.10 - $537.63
Q4 2024	6,025	$2,731	$461.73	$437.90 - $491.67
Q3 2024	6,120	$2,817	$442.18	$403.82 - $484.82
Q2 2024	6,696	$2,724	$408.62	$395.66 - $424.52
Q1 2024	6,824	$2,870	$393.34	$355.94 - $430.00
Q4 2023	7,515	$2,680	$350.99	$330.58 - $364.05
Q3 2023	7,655	$2,682	$354.77	$338.41 - $373.34
Q2 2023	8,017	$2,734	$326.37	$307.07 - $342.50
Q1 2023	8,231	$3	$308.18	$292.42 - $321.32
Q1 2020	5,458	$998	$212.55	$159.50 - $231.61
Q4 2019	5,470	$1,239	$217.17	$201.33 - $228.23
Q3 2019	5,568	$1,158	$206.04	$195.40 - $216.58
Q2 2019	6,345	$1,353	$206.92	$196.89 - $219.16
Q1 2019	6,198	$1,245	$201.85	$191.04 - $209.40
Q4 2018	6,148	$1,255	$208.87	$186.10 - $224.07
Q3 2018	6,152	$1,317	$205.18	$185.72 - $223.00
Q2 2018	6,401	$1,195	$194.92	$184.75 - $202.77
Q1 2018	5,922	$1,181	$205.34	$189.30 - $217.62
Q4 2017	5,496	$1,089	$189.88	$180.44 - $200.50
Q3 2017	5,443	$998	$176.72	$168.00 - $184.00
Q2 2017	5,430	$920	$166.33	$160.93 - $171.95
Q1 2017	5,338	$889	$167.31	$158.61 - $177.86
Q4 2016	6,491	$1,057	$153.96	$141.92 - $167.25
Q3 2016	6,491	$938	$146.25	$140.95 - $151.05
Q2 2016	6,500	$941	$142.96	$136.65 - $148.03
Q1 2016	7,595	$1,078	$132.58	$123.55 - $143.40
Q4 2015	7,535	$995	$134.20	$127.46 - $138.62
Q3 2015	7,535	$983	$137.00	$125.50 - $144.69
Q2 2015	7,149	$973	$142.63	$136.08 - $148.57
Q1 2015	6,999	$1,010	$147.14	$142.50 - $151.69
Q4 2014	6,424	$965	$144.37	$132.03 - $152.94
Q3 2014	6,424	$887	$133.21	$122.72 - $142.45
Q2 2014	5,579	$706	$126.57	$121.09 - $129.73
Q1 2014	6,079	$760	$116.85	$108.12 - $125.91
Q4 2013	6,074	$720	$115.63	$110.84 - $118.66
Q3 2013	4,624	$525	$115.36	$110.72 - $119.30
Q2 2013	4,274	$478	$110.02	$102.69 - $115.98