BERKSHIRE HATHAWAY INC DEL

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

PARTHENON LLC's Holding History (CIK: 0001088859)

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

Q4 2025

Shares 138,619 Value ($000) $69,677 Avg Close $497.53 Range $473.15 - $516.85

Q3 2025

Shares 138,201 Value ($000) $69,479 Avg Close $484.36 Range $455.19 - $507.66

Q2 2025

Shares 142,286 Value ($000) $69,118 Avg Close $507.86 Range $462.10 - $542.07

Q1 2025

Shares 142,651 Value ($000) $75,973 Avg Close $486.15 Range $440.10 - $537.63

Q4 2024

Shares 146,638 Value ($000) $66,468 Avg Close $461.73 Range $437.90 - $491.67

Q3 2024

Shares 149,172 Value ($000) $68,658 Avg Close $442.18 Range $403.82 - $484.82

Q2 2024

Shares 150,655 Value ($000) $61,286 Avg Close $408.62 Range $395.66 - $424.52

Q1 2024

Shares 153,420 Value ($000) $64,516 Avg Close $393.34 Range $355.94 - $430.00

Q4 2023

Shares 153,725 Value ($000) $54,828 Avg Close $350.99 Range $330.58 - $364.05

Q3 2023

Shares 154,710 Value ($000) $54,195 Avg Close $354.77 Range $338.41 - $373.34

Q2 2023

Shares 156,005 Value ($000) $53,198 Avg Close $326.37 Range $307.07 - $342.50

Q1 2023

Shares 156,145 Value ($000) $48,213 Avg Close $308.18 Range $292.42 - $321.32

Q4 2022

Shares 155,762 Value ($000) $48,115 Avg Close $296.98 Range $259.85 - $319.56

Q3 2022

Shares 156,353 Value ($000) $41,749 Avg Close $284.56 Range $261.55 - $308.15

Q2 2022

Shares 155,593 Value ($000) $42,480 Avg Close $313.72 Range $263.68 - $354.58

Q1 2022

Shares 157,523 Value ($000) $55,591 Avg Close $323.46 Range $294.81 - $362.10

Q4 2021

Shares 156,898 Value ($000) $46,913 Avg Close $286.41 Range $272.22 - $301.65

Q3 2021

Shares 163,158 Value ($000) $44,532 Avg Close $280.86 Range $270.73 - $291.82

Q2 2021

Shares 163,468 Value ($000) $45,431 Avg Close $279.44 Range $254.80 - $295.08

Q1 2021

Shares 161,883 Value ($000) $41,356 Avg Close $242.84 Range $226.10 - $267.50

Q4 2020

Shares 162,973 Value ($000) $37,789 Avg Close $220.20 Range $197.81 - $234.99

Q3 2020

Shares 164,376 Value ($000) $35,002 Avg Close $204.56 Range $177.34 - $223.24

Q2 2020

Shares 164,441 Value ($000) $29,354 Avg Close $182.62 Range $167.04 - $203.33

Q1 2020

Shares 163,076 Value ($000) $29,815 Avg Close $212.55 Range $159.50 - $231.61

Q4 2019

Shares 164,166 Value ($000) $37,184 Avg Close $217.17 Range $201.33 - $228.23

Q3 2019

Shares 164,349 Value ($000) $34,188 Avg Close $206.04 Range $195.40 - $216.58

Q2 2019

Shares 164,464 Value ($000) $35,059 Avg Close $206.92 Range $196.89 - $219.16

Q1 2019

Shares 163,665 Value ($000) $32,879 Avg Close $201.85 Range $191.04 - $209.40

Q4 2018

Shares 162,574 Value ($000) $33,194 Avg Close $208.87 Range $186.10 - $224.07

Q3 2018

Shares 162,354 Value ($000) $34,762 Avg Close $205.18 Range $185.72 - $223.00

Q2 2018

Shares 165,757 Value ($000) $30,939 Avg Close $194.92 Range $184.75 - $202.77

Q1 2018

Shares 164,112 Value ($000) $32,737 Avg Close $205.34 Range $189.30 - $217.62

Q4 2017

Shares 165,480 Value ($000) $32,801 Avg Close $189.88 Range $180.44 - $200.50

Q3 2017

Shares 164,277 Value ($000) $30,115 Avg Close $176.72 Range $168.00 - $184.00

Q2 2017

Shares 169,153 Value ($000) $28,649 Avg Close $166.33 Range $160.93 - $171.95

Q1 2017

Shares 168,858 Value ($000) $28,145 Avg Close $167.31 Range $158.61 - $177.86

Q4 2016

Shares 173,199 Value ($000) $28,228 Avg Close $153.96 Range $141.92 - $167.25

Q3 2016

Shares 175,557 Value ($000) $25,363 Avg Close $146.25 Range $140.95 - $151.05

Q2 2016

Shares 175,967 Value ($000) $25,478 Avg Close $142.96 Range $136.65 - $148.03

Q1 2016

Shares 176,492 Value ($000) $25,041 Avg Close $132.58 Range $123.55 - $143.40

Q4 2015

Shares 175,677 Value ($000) $23,196 Avg Close $134.20 Range $127.46 - $138.62

Q3 2015

Shares 177,527 Value ($000) $23,150 Avg Close $137.00 Range $125.50 - $144.69

Q2 2015

Shares 179,592 Value ($000) $24,444 Avg Close $142.63 Range $136.08 - $148.57

Q1 2015

Shares 177,467 Value ($000) $25,612 Avg Close $147.14 Range $142.50 - $151.69

Q4 2014

Shares 176,067 Value ($000) $26,436 Avg Close $144.37 Range $132.03 - $152.94

Q3 2014

Shares 176,252 Value ($000) $24,347 Avg Close $133.21 Range $122.72 - $142.45

Q2 2014

Shares 176,552 Value ($000) $22,344 Avg Close $126.57 Range $121.09 - $129.73

Q1 2014

Shares 176,599 Value ($000) $22,070 Avg Close $116.85 Range $108.12 - $125.91

Q4 2013

Shares 177,653 Value ($000) $21,063 Avg Close $115.63 Range $110.84 - $118.66

Q3 2013

Shares 179,592 Value ($000) $20,385 Avg Close $115.36 Range $110.72 - $119.30

Q2 2013

Shares 181,242 Value ($000) $20,285 Avg Close $110.02 Range $102.69 - $115.98

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	138,619	$69,677	$497.53	$473.15 - $516.85
Q3 2025	138,201	$69,479	$484.36	$455.19 - $507.66
Q2 2025	142,286	$69,118	$507.86	$462.10 - $542.07
Q1 2025	142,651	$75,973	$486.15	$440.10 - $537.63
Q4 2024	146,638	$66,468	$461.73	$437.90 - $491.67
Q3 2024	149,172	$68,658	$442.18	$403.82 - $484.82
Q2 2024	150,655	$61,286	$408.62	$395.66 - $424.52
Q1 2024	153,420	$64,516	$393.34	$355.94 - $430.00
Q4 2023	153,725	$54,828	$350.99	$330.58 - $364.05
Q3 2023	154,710	$54,195	$354.77	$338.41 - $373.34
Q2 2023	156,005	$53,198	$326.37	$307.07 - $342.50
Q1 2023	156,145	$48,213	$308.18	$292.42 - $321.32
Q4 2022	155,762	$48,115	$296.98	$259.85 - $319.56
Q3 2022	156,353	$41,749	$284.56	$261.55 - $308.15
Q2 2022	155,593	$42,480	$313.72	$263.68 - $354.58
Q1 2022	157,523	$55,591	$323.46	$294.81 - $362.10
Q4 2021	156,898	$46,913	$286.41	$272.22 - $301.65
Q3 2021	163,158	$44,532	$280.86	$270.73 - $291.82
Q2 2021	163,468	$45,431	$279.44	$254.80 - $295.08
Q1 2021	161,883	$41,356	$242.84	$226.10 - $267.50
Q4 2020	162,973	$37,789	$220.20	$197.81 - $234.99
Q3 2020	164,376	$35,002	$204.56	$177.34 - $223.24
Q2 2020	164,441	$29,354	$182.62	$167.04 - $203.33
Q1 2020	163,076	$29,815	$212.55	$159.50 - $231.61
Q4 2019	164,166	$37,184	$217.17	$201.33 - $228.23
Q3 2019	164,349	$34,188	$206.04	$195.40 - $216.58
Q2 2019	164,464	$35,059	$206.92	$196.89 - $219.16
Q1 2019	163,665	$32,879	$201.85	$191.04 - $209.40
Q4 2018	162,574	$33,194	$208.87	$186.10 - $224.07
Q3 2018	162,354	$34,762	$205.18	$185.72 - $223.00
Q2 2018	165,757	$30,939	$194.92	$184.75 - $202.77
Q1 2018	164,112	$32,737	$205.34	$189.30 - $217.62
Q4 2017	165,480	$32,801	$189.88	$180.44 - $200.50
Q3 2017	164,277	$30,115	$176.72	$168.00 - $184.00
Q2 2017	169,153	$28,649	$166.33	$160.93 - $171.95
Q1 2017	168,858	$28,145	$167.31	$158.61 - $177.86
Q4 2016	173,199	$28,228	$153.96	$141.92 - $167.25
Q3 2016	175,557	$25,363	$146.25	$140.95 - $151.05
Q2 2016	175,967	$25,478	$142.96	$136.65 - $148.03
Q1 2016	176,492	$25,041	$132.58	$123.55 - $143.40
Q4 2015	175,677	$23,196	$134.20	$127.46 - $138.62
Q3 2015	177,527	$23,150	$137.00	$125.50 - $144.69
Q2 2015	179,592	$24,444	$142.63	$136.08 - $148.57
Q1 2015	177,467	$25,612	$147.14	$142.50 - $151.69
Q4 2014	176,067	$26,436	$144.37	$132.03 - $152.94
Q3 2014	176,252	$24,347	$133.21	$122.72 - $142.45
Q2 2014	176,552	$22,344	$126.57	$121.09 - $129.73
Q1 2014	176,599	$22,070	$116.85	$108.12 - $125.91
Q4 2013	177,653	$21,063	$115.63	$110.84 - $118.66
Q3 2013	179,592	$20,385	$115.36	$110.72 - $119.30
Q2 2013	181,242	$20,285	$110.02	$102.69 - $115.98