BERKSHIRE HATHAWAY INC DEL

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

Madison Asset Management, LLC's Holding History (CIK: 0001299351)

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

Q4 2025

Shares 30,808 Value ($000) $15,486 Avg Close $497.53 Range $473.15 - $516.85

Q3 2025

Shares 31,891 Value ($000) $16,033 Avg Close $484.36 Range $455.19 - $507.66

Q2 2025

Shares 38,756 Value ($000) $18,826 Avg Close $507.86 Range $462.10 - $542.07

Q1 2025

Shares 241,649 Value ($000) $128,697 Avg Close $486.15 Range $440.10 - $537.63

Q4 2024

Shares 245,479 Value ($000) $111,271 Avg Close $461.73 Range $437.90 - $491.67

Q3 2024

Shares 247,572 Value ($000) $113,948 Avg Close $442.18 Range $403.82 - $484.82

Q2 2024

Shares 253,148 Value ($000) $102,980 Avg Close $408.62 Range $395.66 - $424.52

Q1 2024

Shares 256,065 Value ($000) $107,680 Avg Close $393.34 Range $355.94 - $430.00

Q4 2023

Shares 257,804 Value ($000) $91,949 Avg Close $350.99 Range $330.58 - $364.05

Q3 2023

Shares 254,374 Value ($000) $89,107 Avg Close $354.77 Range $338.41 - $373.34

Q2 2023

Shares 250,729 Value ($000) $85,499 Avg Close $326.37 Range $307.07 - $342.50

Q1 2023

Shares 252,490 Value ($000) $77,961 Avg Close $308.18 Range $292.42 - $321.32

Q4 2022

Shares 256,598 Value ($000) $79 Avg Close $296.98 Range $259.85 - $319.56

Q3 2022

Shares 261,999 Value ($000) $69,959 Avg Close $284.56 Range $261.55 - $308.15

Q2 2022

Shares 267,113 Value ($000) $72,927 Avg Close $313.72 Range $263.68 - $354.58

Q1 2022

Shares 252,860 Value ($000) $89,237 Avg Close $323.46 Range $294.81 - $362.10

Q4 2021

Shares 258,788 Value ($000) $77,378 Avg Close $286.41 Range $272.22 - $301.65

Q3 2021

Shares 302,449 Value ($000) $82,550 Avg Close $280.86 Range $270.73 - $291.82

Q2 2021

Shares 305,115 Value ($000) $84,798 Avg Close $279.44 Range $254.80 - $295.08

Q1 2021

Shares 348,996 Value ($000) $89,158 Avg Close $242.84 Range $226.10 - $267.50

Q4 2020

Shares 388,323 Value ($000) $90,040 Avg Close $220.20 Range $197.81 - $234.99

Q3 2020

Shares 392,432 Value ($000) $83,564 Avg Close $204.56 Range $177.34 - $223.24

Q2 2020

Shares 404,935 Value ($000) $72,285 Avg Close $182.62 Range $167.04 - $203.33

Q1 2020

Shares 433,175 Value ($000) $79,197 Avg Close $212.55 Range $159.50 - $231.61

Q4 2019

Shares 401,380 Value ($000) $90,913 Avg Close $217.17 Range $201.33 - $228.23

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	30,808	$15,486	$497.53	$473.15 - $516.85
Q3 2025	31,891	$16,033	$484.36	$455.19 - $507.66
Q2 2025	38,756	$18,826	$507.86	$462.10 - $542.07
Q1 2025	241,649	$128,697	$486.15	$440.10 - $537.63
Q4 2024	245,479	$111,271	$461.73	$437.90 - $491.67
Q3 2024	247,572	$113,948	$442.18	$403.82 - $484.82
Q2 2024	253,148	$102,980	$408.62	$395.66 - $424.52
Q1 2024	256,065	$107,680	$393.34	$355.94 - $430.00
Q4 2023	257,804	$91,949	$350.99	$330.58 - $364.05
Q3 2023	254,374	$89,107	$354.77	$338.41 - $373.34
Q2 2023	250,729	$85,499	$326.37	$307.07 - $342.50
Q1 2023	252,490	$77,961	$308.18	$292.42 - $321.32
Q4 2022	256,598	$79	$296.98	$259.85 - $319.56
Q3 2022	261,999	$69,959	$284.56	$261.55 - $308.15
Q2 2022	267,113	$72,927	$313.72	$263.68 - $354.58
Q1 2022	252,860	$89,237	$323.46	$294.81 - $362.10
Q4 2021	258,788	$77,378	$286.41	$272.22 - $301.65
Q3 2021	302,449	$82,550	$280.86	$270.73 - $291.82
Q2 2021	305,115	$84,798	$279.44	$254.80 - $295.08
Q1 2021	348,996	$89,158	$242.84	$226.10 - $267.50
Q4 2020	388,323	$90,040	$220.20	$197.81 - $234.99
Q3 2020	392,432	$83,564	$204.56	$177.34 - $223.24
Q2 2020	404,935	$72,285	$182.62	$167.04 - $203.33
Q1 2020	433,175	$79,197	$212.55	$159.50 - $231.61
Q4 2019	401,380	$90,913	$217.17	$201.33 - $228.23