BERKSHIRE HATHAWAY INC DEL

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

United American Securities Inc. (d/b/a UAS Asset Management)'s Holding History (CIK: 0001349353)

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

Q4 2025

Shares 309,900 Value ($000) $155,771 Avg Close $497.53 Range $473.15 - $516.85

Q3 2025

Shares 315,410 Value ($000) $158,569 Avg Close $484.36 Range $455.19 - $507.66

Q2 2025

Shares 319,643 Value ($000) $155,273 Avg Close $507.86 Range $462.10 - $542.07

Q1 2025

Shares 315,188 Value ($000) $167,863 Avg Close $486.15 Range $440.10 - $537.63

Q4 2024

Shares 317,569 Value ($000) $143,948 Avg Close $461.73 Range $437.90 - $491.67

Q3 2024

Shares 311,115 Value ($000) $143,194 Avg Close $442.18 Range $403.82 - $484.82

Q2 2024

Shares 311,911 Value ($000) $126,885 Avg Close $408.62 Range $395.66 - $424.52

Q1 2024

Shares 322,667 Value ($000) $135,688 Avg Close $393.34 Range $355.94 - $430.00

Q4 2023

Shares 322,062 Value ($000) $114,867 Avg Close $350.99 Range $330.58 - $364.05

Q3 2023

Shares 309,439 Value ($000) $108,396 Avg Close $354.77 Range $338.41 - $373.34

Q2 2023

Shares 312,066 Value ($000) $106,415 Avg Close $326.37 Range $307.07 - $342.50

Q1 2023

Shares 312,603 Value ($000) $96,522 Avg Close $308.18 Range $292.42 - $321.32

Q4 2022

Shares 300,574 Value ($000) $92,847 Avg Close $296.98 Range $259.85 - $319.56

Q3 2022

Shares 319,401 Value ($000) $85 Avg Close $284.56 Range $261.55 - $308.15

Q2 2022

Shares 300,255 Value ($000) $82 Avg Close $313.72 Range $263.68 - $354.58

Q1 2022

Shares 336,261 Value ($000) $118,670 Avg Close $323.46 Range $294.81 - $362.10

Q4 2021

Shares 346,950 Value ($000) $103,738 Avg Close $286.41 Range $272.22 - $301.65

Q3 2021

Shares 330,614 Value ($000) $90,238 Avg Close $280.86 Range $270.73 - $291.82

Q2 2021

Shares 341,811 Value ($000) $94,996 Avg Close $279.44 Range $254.80 - $295.08

Q1 2021

Shares 373,778 Value ($000) $95,489 Avg Close $242.84 Range $226.10 - $267.50

Q4 2020

Shares 313,846 Value ($000) $72,771 Avg Close $220.20 Range $197.81 - $234.99

Q3 2020

Shares 324,684 Value ($000) $69,138 Avg Close $204.56 Range $177.34 - $223.24

Q2 2020

Shares 276,933 Value ($000) $49,435 Avg Close $182.62 Range $167.04 - $203.33

Q1 2020

Shares 325,271 Value ($000) $59,469 Avg Close $212.55 Range $159.50 - $231.61

Q4 2019

Shares 313,385 Value ($000) $70,982 Avg Close $217.17 Range $201.33 - $228.23

Q3 2019

Shares 337,573 Value ($000) $70,222 Avg Close $206.04 Range $195.40 - $216.58

Q2 2019

Shares 314,959 Value ($000) $67,140 Avg Close $206.92 Range $196.89 - $219.16

Q1 2019

Shares 323,331 Value ($000) $64,954 Avg Close $201.85 Range $191.04 - $209.40

Q4 2018

Shares 300,370 Value ($000) $61,330 Avg Close $208.87 Range $186.10 - $224.07

Q3 2018

Shares 264,630 Value ($000) $56,660 Avg Close $205.18 Range $185.72 - $223.00

Q2 2018

Shares 259,785 Value ($000) $48,489 Avg Close $194.92 Range $184.75 - $202.77

Q1 2018

Shares 261,660 Value ($000) $52,196 Avg Close $205.34 Range $189.30 - $217.62

Q4 2017

Shares 262,888 Value ($000) $52,110 Avg Close $189.88 Range $180.44 - $200.50

Q3 2017

Shares 262,962 Value ($000) $48,206 Avg Close $176.72 Range $168.00 - $184.00

Q2 2017

Shares 256,407 Value ($000) $43,428 Avg Close $166.33 Range $160.93 - $171.95

Q1 2017

Shares 256,347 Value ($000) $42,728 Avg Close $167.31 Range $158.61 - $177.86

Q4 2016

Shares 256,727 Value ($000) $41,841 Avg Close $153.96 Range $141.92 - $167.25

Q3 2016

Shares 257,864 Value ($000) $37,254 Avg Close $146.25 Range $140.95 - $151.05

Q2 2016

Shares 311,864 Value ($000) $45,155 Avg Close $142.96 Range $136.65 - $148.03

Q1 2016

Shares 332,894 Value ($000) $47,231 Avg Close $132.58 Range $123.55 - $143.40

Q4 2015

Shares 298,834 Value ($000) $39,458 Avg Close $134.20 Range $127.46 - $138.62

Q3 2015

Shares 203,720 Value ($000) $26,565 Avg Close $137.00 Range $125.50 - $144.69

Q2 2015

Shares 207,420 Value ($000) $28,232 Avg Close $142.63 Range $136.08 - $148.57

Q1 2015

Shares 180,435 Value ($000) $26,040 Avg Close $147.14 Range $142.50 - $151.69

Q4 2014

Shares 157,590 Value ($000) $23,662 Avg Close $144.37 Range $132.03 - $152.94

Q3 2014

Shares 145,815 Value ($000) $20,143 Avg Close $133.21 Range $122.72 - $142.45

Q2 2014

Shares 141,530 Value ($000) $17,912 Avg Close $126.57 Range $121.09 - $129.73

Q1 2014

Shares 147,151 Value ($000) $18,389 Avg Close $116.85 Range $108.12 - $125.91

Q4 2013

Shares 126,951 Value ($000) $15,051 Avg Close $115.63 Range $110.84 - $118.66

Q3 2013

Shares 124,395 Value ($000) $14,120 Avg Close $115.36 Range $110.72 - $119.30

Q2 2013

Shares 124,420 Value ($000) $13,925 Avg Close $110.02 Range $102.69 - $115.98

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	309,900	$155,771	$497.53	$473.15 - $516.85
Q3 2025	315,410	$158,569	$484.36	$455.19 - $507.66
Q2 2025	319,643	$155,273	$507.86	$462.10 - $542.07
Q1 2025	315,188	$167,863	$486.15	$440.10 - $537.63
Q4 2024	317,569	$143,948	$461.73	$437.90 - $491.67
Q3 2024	311,115	$143,194	$442.18	$403.82 - $484.82
Q2 2024	311,911	$126,885	$408.62	$395.66 - $424.52
Q1 2024	322,667	$135,688	$393.34	$355.94 - $430.00
Q4 2023	322,062	$114,867	$350.99	$330.58 - $364.05
Q3 2023	309,439	$108,396	$354.77	$338.41 - $373.34
Q2 2023	312,066	$106,415	$326.37	$307.07 - $342.50
Q1 2023	312,603	$96,522	$308.18	$292.42 - $321.32
Q4 2022	300,574	$92,847	$296.98	$259.85 - $319.56
Q3 2022	319,401	$85	$284.56	$261.55 - $308.15
Q2 2022	300,255	$82	$313.72	$263.68 - $354.58
Q1 2022	336,261	$118,670	$323.46	$294.81 - $362.10
Q4 2021	346,950	$103,738	$286.41	$272.22 - $301.65
Q3 2021	330,614	$90,238	$280.86	$270.73 - $291.82
Q2 2021	341,811	$94,996	$279.44	$254.80 - $295.08
Q1 2021	373,778	$95,489	$242.84	$226.10 - $267.50
Q4 2020	313,846	$72,771	$220.20	$197.81 - $234.99
Q3 2020	324,684	$69,138	$204.56	$177.34 - $223.24
Q2 2020	276,933	$49,435	$182.62	$167.04 - $203.33
Q1 2020	325,271	$59,469	$212.55	$159.50 - $231.61
Q4 2019	313,385	$70,982	$217.17	$201.33 - $228.23
Q3 2019	337,573	$70,222	$206.04	$195.40 - $216.58
Q2 2019	314,959	$67,140	$206.92	$196.89 - $219.16
Q1 2019	323,331	$64,954	$201.85	$191.04 - $209.40
Q4 2018	300,370	$61,330	$208.87	$186.10 - $224.07
Q3 2018	264,630	$56,660	$205.18	$185.72 - $223.00
Q2 2018	259,785	$48,489	$194.92	$184.75 - $202.77
Q1 2018	261,660	$52,196	$205.34	$189.30 - $217.62
Q4 2017	262,888	$52,110	$189.88	$180.44 - $200.50
Q3 2017	262,962	$48,206	$176.72	$168.00 - $184.00
Q2 2017	256,407	$43,428	$166.33	$160.93 - $171.95
Q1 2017	256,347	$42,728	$167.31	$158.61 - $177.86
Q4 2016	256,727	$41,841	$153.96	$141.92 - $167.25
Q3 2016	257,864	$37,254	$146.25	$140.95 - $151.05
Q2 2016	311,864	$45,155	$142.96	$136.65 - $148.03
Q1 2016	332,894	$47,231	$132.58	$123.55 - $143.40
Q4 2015	298,834	$39,458	$134.20	$127.46 - $138.62
Q3 2015	203,720	$26,565	$137.00	$125.50 - $144.69
Q2 2015	207,420	$28,232	$142.63	$136.08 - $148.57
Q1 2015	180,435	$26,040	$147.14	$142.50 - $151.69
Q4 2014	157,590	$23,662	$144.37	$132.03 - $152.94
Q3 2014	145,815	$20,143	$133.21	$122.72 - $142.45
Q2 2014	141,530	$17,912	$126.57	$121.09 - $129.73
Q1 2014	147,151	$18,389	$116.85	$108.12 - $125.91
Q4 2013	126,951	$15,051	$115.63	$110.84 - $118.66
Q3 2013	124,395	$14,120	$115.36	$110.72 - $119.30
Q2 2013	124,420	$13,925	$110.02	$102.69 - $115.98