BERKSHIRE HATHAWAY INC DEL

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

GATEWAY INVESTMENT ADVISERS LLC's Holding History (CIK: 0001114618)

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

Q4 2025

Shares 413,325 Value ($000) $207,758 Avg Close $497.53 Range $473.15 - $516.85

Q3 2025

Shares 414,325 Value ($000) $208,298 Avg Close $484.36 Range $455.19 - $507.66

Q2 2025

Shares 406,376 Value ($000) $197,405 Avg Close $507.86 Range $462.10 - $542.07

Q1 2025

Shares 426,191 Value ($000) $226,981 Avg Close $486.15 Range $440.10 - $537.63

Q4 2024

Shares 406,950 Value ($000) $184,462 Avg Close $461.73 Range $437.90 - $491.67

Q3 2024

Shares 418,206 Value ($000) $192,483 Avg Close $442.18 Range $403.82 - $484.82

Q2 2024

Shares 448,416 Value ($000) $182,416 Avg Close $408.62 Range $395.66 - $424.52

Q1 2024

Shares 457,460 Value ($000) $192,371 Avg Close $393.34 Range $355.94 - $430.00

Q4 2023

Shares 503,772 Value ($000) $179,675 Avg Close $350.99 Range $330.58 - $364.05

Q3 2023

Shares 531,689 Value ($000) $186,251 Avg Close $354.77 Range $338.41 - $373.34

Q2 2023

Shares 548,242 Value ($000) $186,951 Avg Close $326.37 Range $307.07 - $342.50

Q1 2023

Shares 548,515 Value ($000) $169,365 Avg Close $308.18 Range $292.42 - $321.32

Q4 2022

Shares 567,886 Value ($000) $175,420 Avg Close $296.98 Range $259.85 - $319.56

Q3 2022

Shares 562,995 Value ($000) $150,331 Avg Close $284.56 Range $261.55 - $308.15

Q2 2022

Shares 593,455 Value ($000) $162,025 Avg Close $313.72 Range $263.68 - $354.58

Q1 2022

Shares 558,720 Value ($000) $197,178 Avg Close $323.46 Range $294.81 - $362.10

Q4 2021

Shares 552,833 Value ($000) $165,297 Avg Close $286.41 Range $272.22 - $301.65

Q3 2021

Shares 561,565 Value ($000) $153,274 Avg Close $280.86 Range $270.73 - $291.82

Q2 2021

Shares 565,354 Value ($000) $157,123 Avg Close $279.44 Range $254.80 - $295.08

Q1 2021

Shares 600,215 Value ($000) $153,337 Avg Close $242.84 Range $226.10 - $267.50

Q4 2020

Shares 663,599 Value ($000) $153,869 Avg Close $220.20 Range $197.81 - $234.99

Q3 2020

Shares 711,155 Value ($000) $151,433 Avg Close $204.56 Range $177.34 - $223.24

Q2 2020

Shares 743,687 Value ($000) $132,756 Avg Close $182.62 Range $167.04 - $203.33

Q1 2020

Shares 957,128 Value ($000) $174,992 Avg Close $212.55 Range $159.50 - $231.61

Q4 2019

Shares 872,150 Value ($000) $197,542 Avg Close $217.17 Range $201.33 - $228.23

Q3 2019

Shares 879,698 Value ($000) $182,995 Avg Close $206.04 Range $195.40 - $216.58

Q2 2019

Shares 972,741 Value ($000) $207,359 Avg Close $206.92 Range $196.89 - $219.16

Q1 2019

Shares 1,017,090 Value ($000) $204,323 Avg Close $201.85 Range $191.04 - $209.40

Q4 2018

Shares 1,074,515 Value ($000) $219,394 Avg Close $208.87 Range $186.10 - $224.07

Q3 2018

Shares 1,071,412 Value ($000) $229,400 Avg Close $205.18 Range $185.72 - $223.00

Q2 2018

Shares 1,080,729 Value ($000) $201,718 Avg Close $194.92 Range $184.75 - $202.77

Q1 2018

Shares 1,092,420 Value ($000) $217,916 Avg Close $205.34 Range $189.30 - $217.62

Q4 2017

Shares 1,148,588 Value ($000) $227,673 Avg Close $189.88 Range $180.44 - $200.50

Q3 2017

Shares 1,188,568 Value ($000) $217,888 Avg Close $176.72 Range $168.00 - $184.00

Q2 2017

Shares 1,179,664 Value ($000) $199,800 Avg Close $166.33 Range $160.93 - $171.95

Q1 2017

Shares 1,179,438 Value ($000) $196,589 Avg Close $167.31 Range $158.61 - $177.86

Q4 2016

Shares 1,202,832 Value ($000) $196,038 Avg Close $153.96 Range $141.92 - $167.25

Q3 2016

Shares 1,294,510 Value ($000) $187,018 Avg Close $146.25 Range $140.95 - $151.05

Q2 2016

Shares 1,382,893 Value ($000) $200,229 Avg Close $142.96 Range $136.65 - $148.03

Q1 2016

Shares 1,339,323 Value ($000) $190,023 Avg Close $132.58 Range $123.55 - $143.40

Q4 2015

Shares 1,401,395 Value ($000) $185,040 Avg Close $134.20 Range $127.46 - $138.62

Q3 2015

Shares 1,417,963 Value ($000) $184,902 Avg Close $137.00 Range $125.50 - $144.69

Q2 2015

Shares 1,483,305 Value ($000) $201,893 Avg Close $142.63 Range $136.08 - $148.57

Q1 2015

Shares 1,486,580 Value ($000) $214,543 Avg Close $147.14 Range $142.50 - $151.69

Q4 2014

Shares 1,449,279 Value ($000) $217,609 Avg Close $144.37 Range $132.03 - $152.94

Q3 2014

Shares 1,299,301 Value ($000) $179,485 Avg Close $133.21 Range $122.72 - $142.45

Q2 2014

Shares 1,148,368 Value ($000) $145,337 Avg Close $126.57 Range $121.09 - $129.73

Q1 2014

Shares 1,114,535 Value ($000) $139,283 Avg Close $116.85 Range $108.12 - $125.91

Q4 2013

Shares 1,132,067 Value ($000) $134,218 Avg Close $115.63 Range $110.84 - $118.66

Q3 2013

Shares 1,189,180 Value ($000) $134,984 Avg Close $115.36 Range $110.72 - $119.30

Q2 2013

Shares 1,042,319 Value ($000) $116,656 Avg Close $110.02 Range $102.69 - $115.98

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	413,325	$207,758	$497.53	$473.15 - $516.85
Q3 2025	414,325	$208,298	$484.36	$455.19 - $507.66
Q2 2025	406,376	$197,405	$507.86	$462.10 - $542.07
Q1 2025	426,191	$226,981	$486.15	$440.10 - $537.63
Q4 2024	406,950	$184,462	$461.73	$437.90 - $491.67
Q3 2024	418,206	$192,483	$442.18	$403.82 - $484.82
Q2 2024	448,416	$182,416	$408.62	$395.66 - $424.52
Q1 2024	457,460	$192,371	$393.34	$355.94 - $430.00
Q4 2023	503,772	$179,675	$350.99	$330.58 - $364.05
Q3 2023	531,689	$186,251	$354.77	$338.41 - $373.34
Q2 2023	548,242	$186,951	$326.37	$307.07 - $342.50
Q1 2023	548,515	$169,365	$308.18	$292.42 - $321.32
Q4 2022	567,886	$175,420	$296.98	$259.85 - $319.56
Q3 2022	562,995	$150,331	$284.56	$261.55 - $308.15
Q2 2022	593,455	$162,025	$313.72	$263.68 - $354.58
Q1 2022	558,720	$197,178	$323.46	$294.81 - $362.10
Q4 2021	552,833	$165,297	$286.41	$272.22 - $301.65
Q3 2021	561,565	$153,274	$280.86	$270.73 - $291.82
Q2 2021	565,354	$157,123	$279.44	$254.80 - $295.08
Q1 2021	600,215	$153,337	$242.84	$226.10 - $267.50
Q4 2020	663,599	$153,869	$220.20	$197.81 - $234.99
Q3 2020	711,155	$151,433	$204.56	$177.34 - $223.24
Q2 2020	743,687	$132,756	$182.62	$167.04 - $203.33
Q1 2020	957,128	$174,992	$212.55	$159.50 - $231.61
Q4 2019	872,150	$197,542	$217.17	$201.33 - $228.23
Q3 2019	879,698	$182,995	$206.04	$195.40 - $216.58
Q2 2019	972,741	$207,359	$206.92	$196.89 - $219.16
Q1 2019	1,017,090	$204,323	$201.85	$191.04 - $209.40
Q4 2018	1,074,515	$219,394	$208.87	$186.10 - $224.07
Q3 2018	1,071,412	$229,400	$205.18	$185.72 - $223.00
Q2 2018	1,080,729	$201,718	$194.92	$184.75 - $202.77
Q1 2018	1,092,420	$217,916	$205.34	$189.30 - $217.62
Q4 2017	1,148,588	$227,673	$189.88	$180.44 - $200.50
Q3 2017	1,188,568	$217,888	$176.72	$168.00 - $184.00
Q2 2017	1,179,664	$199,800	$166.33	$160.93 - $171.95
Q1 2017	1,179,438	$196,589	$167.31	$158.61 - $177.86
Q4 2016	1,202,832	$196,038	$153.96	$141.92 - $167.25
Q3 2016	1,294,510	$187,018	$146.25	$140.95 - $151.05
Q2 2016	1,382,893	$200,229	$142.96	$136.65 - $148.03
Q1 2016	1,339,323	$190,023	$132.58	$123.55 - $143.40
Q4 2015	1,401,395	$185,040	$134.20	$127.46 - $138.62
Q3 2015	1,417,963	$184,902	$137.00	$125.50 - $144.69
Q2 2015	1,483,305	$201,893	$142.63	$136.08 - $148.57
Q1 2015	1,486,580	$214,543	$147.14	$142.50 - $151.69
Q4 2014	1,449,279	$217,609	$144.37	$132.03 - $152.94
Q3 2014	1,299,301	$179,485	$133.21	$122.72 - $142.45
Q2 2014	1,148,368	$145,337	$126.57	$121.09 - $129.73
Q1 2014	1,114,535	$139,283	$116.85	$108.12 - $125.91
Q4 2013	1,132,067	$134,218	$115.63	$110.84 - $118.66
Q3 2013	1,189,180	$134,984	$115.36	$110.72 - $119.30
Q2 2013	1,042,319	$116,656	$110.02	$102.69 - $115.98