BERKSHIRE HATHAWAY INC DEL

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

BOKF, NA's Holding History (CIK: 0000009634)

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

Q4 2025

Shares 79,210 Value ($000) $39,815 Avg Close $497.53 Range $473.15 - $516.85

Q3 2025

Shares 83,541 Value ($000) $41,999 Avg Close $484.36 Range $455.19 - $507.66

Q2 2025

Shares 91,644 Value ($000) $44,518 Avg Close $507.86 Range $462.10 - $542.07

Q1 2025

Shares 90,112 Value ($000) $47,992 Avg Close $486.15 Range $440.10 - $537.63

Q4 2024

Shares 94,880 Value ($000) $42,000 Avg Close $461.73 Range $437.90 - $491.67

Q3 2024

Shares 94,301 Value ($000) $42,715 Avg Close $442.18 Range $403.82 - $484.82

Q2 2024

Shares 97,098 Value ($000) $39,499 Avg Close $408.62 Range $395.66 - $424.52

Q1 2024

Shares 90,404 Value ($000) $37,988 Avg Close $393.34 Range $355.94 - $430.00

Q4 2023

Shares 90,048 Value ($000) $32,117 Avg Close $350.99 Range $330.58 - $364.05

Q3 2023

Shares 90,333 Value ($000) $30,833 Avg Close $354.77 Range $338.41 - $373.34

Q2 2023

Shares 90,954 Value ($000) $31,015 Avg Close $326.37 Range $307.07 - $342.50

Q1 2023

Shares 92,990 Value ($000) $28,713 Avg Close $308.18 Range $292.42 - $321.32

Q4 2022

Shares 111,739 Value ($000) $34,516 Avg Close $296.98 Range $259.85 - $319.56

Q3 2022

Shares 128,395 Value ($000) $34,284 Avg Close $284.56 Range $261.55 - $308.15

Q2 2022

Shares 130,623 Value ($000) $35,663 Avg Close $313.72 Range $263.68 - $354.58

Q1 2022

Shares 127,352 Value ($000) $44,944 Avg Close $323.46 Range $294.81 - $362.10

Q4 2021

Shares 121,492 Value ($000) $36,326 Avg Close $286.41 Range $272.22 - $301.65

Q3 2021

Shares 120,074 Value ($000) $32,773 Avg Close $280.86 Range $270.73 - $291.82

Q1 2021

Shares 106,907 Value ($000) $27,312 Avg Close $242.84 Range $226.10 - $267.50

Q4 2020

Shares 106,163 Value ($000) $24,616 Avg Close $220.20 Range $197.81 - $234.99

Q3 2020

Shares 100,188 Value ($000) $21,334 Avg Close $204.56 Range $177.34 - $223.24

Q2 2020

Shares 114,423 Value ($000) $20,426 Avg Close $182.62 Range $167.04 - $203.33

Q1 2020

Shares 115,457 Value ($000) $21,108 Avg Close $212.55 Range $159.50 - $231.61

Q4 2019

Shares 115,485 Value ($000) $26,157 Avg Close $217.17 Range $201.33 - $228.23

Q3 2019

Shares 107,691 Value ($000) $22,402 Avg Close $206.04 Range $195.40 - $216.58

Q2 2019

Shares 99,241 Value ($000) $21,155 Avg Close $206.92 Range $196.89 - $219.16

Q1 2019

Shares 106,292 Value ($000) $21,353 Avg Close $201.85 Range $191.04 - $209.40

Q4 2018

Shares 100,473 Value ($000) $20,515 Avg Close $208.87 Range $186.10 - $224.07

Q3 2018

Shares 103,057 Value ($000) $22,066 Avg Close $205.18 Range $185.72 - $223.00

Q2 2018

Shares 114,668 Value ($000) $21,403 Avg Close $194.92 Range $184.75 - $202.77

Q1 2018

Shares 113,450 Value ($000) $22,631 Avg Close $205.34 Range $189.30 - $217.62

Q4 2017

Shares 94,005 Value ($000) $18,635 Avg Close $189.88 Range $180.44 - $200.50

Q3 2017

Shares 91,009 Value ($000) $16,771 Avg Close $176.72 Range $168.00 - $184.00

Q2 2017

Shares 103,866 Value ($000) $17,592 Avg Close $166.33 Range $160.93 - $171.95

Q1 2017

Shares 105,718 Value ($000) $17,621 Avg Close $167.31 Range $158.61 - $177.86

Q4 2016

Shares 107,243 Value ($000) $17,479 Avg Close $153.96 Range $141.92 - $167.25

Q3 2016

Shares 106,757 Value ($000) $15,424 Avg Close $146.25 Range $140.95 - $151.05

Q2 2016

Shares 101,639 Value ($000) $14,716 Avg Close $142.96 Range $136.65 - $148.03

Q1 2016

Shares 101,992 Value ($000) $14,471 Avg Close $132.58 Range $123.55 - $143.40

Q4 2015

Shares 99,546 Value ($000) $13,144 Avg Close $134.20 Range $127.46 - $138.62

Q3 2015

Shares 103,012 Value ($000) $13,433 Avg Close $137.00 Range $125.50 - $144.69

Q2 2015

Shares 101,238 Value ($000) $13,779 Avg Close $142.63 Range $136.08 - $148.57

Q1 2015

Shares 99,990 Value ($000) $14,431 Avg Close $147.14 Range $142.50 - $151.69

Q4 2014

Shares 90,823 Value ($000) $13,636 Avg Close $144.37 Range $132.03 - $152.94

Q3 2014

Shares 101,741 Value ($000) $14,054 Avg Close $133.21 Range $122.72 - $142.45

Q2 2014

Shares 102,087 Value ($000) $12,920 Avg Close $126.57 Range $121.09 - $129.73

Q1 2014

Shares 94,815 Value ($000) $11,849 Avg Close $116.85 Range $108.12 - $125.91

Q4 2013

Shares 93,056 Value ($000) $11,033 Avg Close $115.63 Range $110.84 - $118.66

Q3 2013

Shares 88,938 Value ($000) $10,095 Avg Close $115.36 Range $110.72 - $119.30

Q2 2013

Shares 85,307 Value ($000) $9,547 Avg Close $110.02 Range $102.69 - $115.98

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	79,210	$39,815	$497.53	$473.15 - $516.85
Q3 2025	83,541	$41,999	$484.36	$455.19 - $507.66
Q2 2025	91,644	$44,518	$507.86	$462.10 - $542.07
Q1 2025	90,112	$47,992	$486.15	$440.10 - $537.63
Q4 2024	94,880	$42,000	$461.73	$437.90 - $491.67
Q3 2024	94,301	$42,715	$442.18	$403.82 - $484.82
Q2 2024	97,098	$39,499	$408.62	$395.66 - $424.52
Q1 2024	90,404	$37,988	$393.34	$355.94 - $430.00
Q4 2023	90,048	$32,117	$350.99	$330.58 - $364.05
Q3 2023	90,333	$30,833	$354.77	$338.41 - $373.34
Q2 2023	90,954	$31,015	$326.37	$307.07 - $342.50
Q1 2023	92,990	$28,713	$308.18	$292.42 - $321.32
Q4 2022	111,739	$34,516	$296.98	$259.85 - $319.56
Q3 2022	128,395	$34,284	$284.56	$261.55 - $308.15
Q2 2022	130,623	$35,663	$313.72	$263.68 - $354.58
Q1 2022	127,352	$44,944	$323.46	$294.81 - $362.10
Q4 2021	121,492	$36,326	$286.41	$272.22 - $301.65
Q3 2021	120,074	$32,773	$280.86	$270.73 - $291.82
Q1 2021	106,907	$27,312	$242.84	$226.10 - $267.50
Q4 2020	106,163	$24,616	$220.20	$197.81 - $234.99
Q3 2020	100,188	$21,334	$204.56	$177.34 - $223.24
Q2 2020	114,423	$20,426	$182.62	$167.04 - $203.33
Q1 2020	115,457	$21,108	$212.55	$159.50 - $231.61
Q4 2019	115,485	$26,157	$217.17	$201.33 - $228.23
Q3 2019	107,691	$22,402	$206.04	$195.40 - $216.58
Q2 2019	99,241	$21,155	$206.92	$196.89 - $219.16
Q1 2019	106,292	$21,353	$201.85	$191.04 - $209.40
Q4 2018	100,473	$20,515	$208.87	$186.10 - $224.07
Q3 2018	103,057	$22,066	$205.18	$185.72 - $223.00
Q2 2018	114,668	$21,403	$194.92	$184.75 - $202.77
Q1 2018	113,450	$22,631	$205.34	$189.30 - $217.62
Q4 2017	94,005	$18,635	$189.88	$180.44 - $200.50
Q3 2017	91,009	$16,771	$176.72	$168.00 - $184.00
Q2 2017	103,866	$17,592	$166.33	$160.93 - $171.95
Q1 2017	105,718	$17,621	$167.31	$158.61 - $177.86
Q4 2016	107,243	$17,479	$153.96	$141.92 - $167.25
Q3 2016	106,757	$15,424	$146.25	$140.95 - $151.05
Q2 2016	101,639	$14,716	$142.96	$136.65 - $148.03
Q1 2016	101,992	$14,471	$132.58	$123.55 - $143.40
Q4 2015	99,546	$13,144	$134.20	$127.46 - $138.62
Q3 2015	103,012	$13,433	$137.00	$125.50 - $144.69
Q2 2015	101,238	$13,779	$142.63	$136.08 - $148.57
Q1 2015	99,990	$14,431	$147.14	$142.50 - $151.69
Q4 2014	90,823	$13,636	$144.37	$132.03 - $152.94
Q3 2014	101,741	$14,054	$133.21	$122.72 - $142.45
Q2 2014	102,087	$12,920	$126.57	$121.09 - $129.73
Q1 2014	94,815	$11,849	$116.85	$108.12 - $125.91
Q4 2013	93,056	$11,033	$115.63	$110.84 - $118.66
Q3 2013	88,938	$10,095	$115.36	$110.72 - $119.30
Q2 2013	85,307	$9,547	$110.02	$102.69 - $115.98