BERKSHIRE HATHAWAY INC DEL

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

HARTFORD INVESTMENT MANAGEMENT CO's Holding History (CIK: 0000922439)

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

Q4 2025

Shares 105,944 Value ($000) $53,253 Avg Close $497.53 Range $473.15 - $516.85

Q3 2025

Shares 107,445 Value ($000) $54,017 Avg Close $484.36 Range $455.19 - $507.66

Q2 2025

Shares 110,621 Value ($000) $53,736 Avg Close $507.86 Range $462.10 - $542.07

Q1 2025

Shares 111,854 Value ($000) $59,571 Avg Close $486.15 Range $440.10 - $537.63

Q4 2024

Shares 113,258 Value ($000) $51,338 Avg Close $461.73 Range $437.90 - $491.67

Q3 2024

Shares 115,291 Value ($000) $53,064 Avg Close $442.18 Range $403.82 - $484.82

Q2 2024

Shares 115,974 Value ($000) $47,178 Avg Close $408.62 Range $395.66 - $424.52

Q1 2024

Shares 117,595 Value ($000) $49,451 Avg Close $393.34 Range $355.94 - $430.00

Q4 2023

Shares 122,588 Value ($000) $43,722 Avg Close $350.99 Range $330.58 - $364.05

Q3 2023

Shares 124,280 Value ($000) $43,535 Avg Close $354.77 Range $338.41 - $373.34

Q2 2023

Shares 125,076 Value ($000) $42,651 Avg Close $326.37 Range $307.07 - $342.50

Q1 2023

Shares 151,700 Value ($000) $46,840 Avg Close $308.18 Range $292.42 - $321.32

Q4 2022

Shares 130,349 Value ($000) $40 Avg Close $296.98 Range $259.85 - $319.56

Q3 2022

Shares 186,466 Value ($000) $49,790 Avg Close $284.56 Range $261.55 - $308.15

Q2 2022

Shares 185,149 Value ($000) $50,549 Avg Close $313.72 Range $263.68 - $354.58

Q1 2022

Shares 184,978 Value ($000) $65,281 Avg Close $323.46 Range $294.81 - $362.10

Q4 2021

Shares 197,836 Value ($000) $59,153 Avg Close $286.41 Range $272.22 - $301.65

Q3 2021

Shares 185,048 Value ($000) $50,507 Avg Close $280.86 Range $270.73 - $291.82

Q2 2021

Shares 211,580 Value ($000) $58,802 Avg Close $279.44 Range $254.80 - $295.08

Q1 2021

Shares 215,854 Value ($000) $55,144 Avg Close $242.84 Range $226.10 - $267.50

Q4 2020

Shares 222,330 Value ($000) $51,552 Avg Close $220.20 Range $197.81 - $234.99

Q3 2020

Shares 207,271 Value ($000) $44,136 Avg Close $204.56 Range $177.34 - $223.24

Q2 2020

Shares 211,038 Value ($000) $37,672 Avg Close $182.62 Range $167.04 - $203.33

Q1 2020

Shares 213,973 Value ($000) $39,121 Avg Close $212.55 Range $159.50 - $231.61

Q4 2019

Shares 206,534 Value ($000) $46,780 Avg Close $217.17 Range $201.33 - $228.23

Q3 2019

Shares 212,013 Value ($000) $44,103 Avg Close $206.04 Range $195.40 - $216.58

Q2 2019

Shares 212,827 Value ($000) $45,368 Avg Close $206.92 Range $196.89 - $219.16

Q1 2019

Shares 212,492 Value ($000) $42,688 Avg Close $201.85 Range $191.04 - $209.40

Q4 2018

Shares 215,474 Value ($000) $43,995 Avg Close $208.87 Range $186.10 - $224.07

Q3 2018

Shares 218,022 Value ($000) $46,681 Avg Close $205.18 Range $185.72 - $223.00

Q2 2018

Shares 219,319 Value ($000) $40,936 Avg Close $194.92 Range $184.75 - $202.77

Q1 2018

Shares 365,617 Value ($000) $72,933 Avg Close $205.34 Range $189.30 - $217.62

Q4 2017

Shares 396,449 Value ($000) $78,584 Avg Close $189.88 Range $180.44 - $200.50

Q3 2017

Shares 416,036 Value ($000) $76,268 Avg Close $176.72 Range $168.00 - $184.00

Q2 2017

Shares 414,832 Value ($000) $70,260 Avg Close $166.33 Range $160.93 - $171.95

Q1 2017

Shares 432,628 Value ($000) $72,110 Avg Close $167.31 Range $158.61 - $177.86

Q4 2016

Shares 453,704 Value ($000) $73,945 Avg Close $153.96 Range $141.92 - $167.25

Q3 2016

Shares 446,757 Value ($000) $64,543 Avg Close $146.25 Range $140.95 - $151.05

Q2 2016

Shares 434,936 Value ($000) $62,974 Avg Close $142.96 Range $136.65 - $148.03

Q1 2016

Shares 447,510 Value ($000) $63,493 Avg Close $132.58 Range $123.55 - $143.40

Q4 2015

Shares 442,011 Value ($000) $58,363 Avg Close $134.20 Range $127.46 - $138.62

Q3 2015

Shares 453,356 Value ($000) $59,118 Avg Close $137.00 Range $125.50 - $144.69

Q2 2015

Shares 439,322 Value ($000) $59,796 Avg Close $142.63 Range $136.08 - $148.57

Q1 2015

Shares 971,827 Value ($000) $140,254 Avg Close $147.14 Range $142.50 - $151.69

Q4 2014

Shares 500,785 Value ($000) $75,193 Avg Close $144.37 Range $132.03 - $152.94

Q3 2014

Shares 443,434 Value ($000) $61,256 Avg Close $133.21 Range $122.72 - $142.45

Q2 2014

Shares 453,254 Value ($000) $57,364 Avg Close $126.57 Range $121.09 - $129.73

Q1 2014

Shares 462,566 Value ($000) $57,807 Avg Close $116.85 Range $108.12 - $125.91

Q4 2013

Shares 467,909 Value ($000) $55,475 Avg Close $115.63 Range $110.84 - $118.66

Q3 2013

Shares 494,214 Value ($000) $56,098 Avg Close $115.36 Range $110.72 - $119.30

Q2 2013

Shares 513,571 Value ($000) $57,479 Avg Close $110.02 Range $102.69 - $115.98

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	105,944	$53,253	$497.53	$473.15 - $516.85
Q3 2025	107,445	$54,017	$484.36	$455.19 - $507.66
Q2 2025	110,621	$53,736	$507.86	$462.10 - $542.07
Q1 2025	111,854	$59,571	$486.15	$440.10 - $537.63
Q4 2024	113,258	$51,338	$461.73	$437.90 - $491.67
Q3 2024	115,291	$53,064	$442.18	$403.82 - $484.82
Q2 2024	115,974	$47,178	$408.62	$395.66 - $424.52
Q1 2024	117,595	$49,451	$393.34	$355.94 - $430.00
Q4 2023	122,588	$43,722	$350.99	$330.58 - $364.05
Q3 2023	124,280	$43,535	$354.77	$338.41 - $373.34
Q2 2023	125,076	$42,651	$326.37	$307.07 - $342.50
Q1 2023	151,700	$46,840	$308.18	$292.42 - $321.32
Q4 2022	130,349	$40	$296.98	$259.85 - $319.56
Q3 2022	186,466	$49,790	$284.56	$261.55 - $308.15
Q2 2022	185,149	$50,549	$313.72	$263.68 - $354.58
Q1 2022	184,978	$65,281	$323.46	$294.81 - $362.10
Q4 2021	197,836	$59,153	$286.41	$272.22 - $301.65
Q3 2021	185,048	$50,507	$280.86	$270.73 - $291.82
Q2 2021	211,580	$58,802	$279.44	$254.80 - $295.08
Q1 2021	215,854	$55,144	$242.84	$226.10 - $267.50
Q4 2020	222,330	$51,552	$220.20	$197.81 - $234.99
Q3 2020	207,271	$44,136	$204.56	$177.34 - $223.24
Q2 2020	211,038	$37,672	$182.62	$167.04 - $203.33
Q1 2020	213,973	$39,121	$212.55	$159.50 - $231.61
Q4 2019	206,534	$46,780	$217.17	$201.33 - $228.23
Q3 2019	212,013	$44,103	$206.04	$195.40 - $216.58
Q2 2019	212,827	$45,368	$206.92	$196.89 - $219.16
Q1 2019	212,492	$42,688	$201.85	$191.04 - $209.40
Q4 2018	215,474	$43,995	$208.87	$186.10 - $224.07
Q3 2018	218,022	$46,681	$205.18	$185.72 - $223.00
Q2 2018	219,319	$40,936	$194.92	$184.75 - $202.77
Q1 2018	365,617	$72,933	$205.34	$189.30 - $217.62
Q4 2017	396,449	$78,584	$189.88	$180.44 - $200.50
Q3 2017	416,036	$76,268	$176.72	$168.00 - $184.00
Q2 2017	414,832	$70,260	$166.33	$160.93 - $171.95
Q1 2017	432,628	$72,110	$167.31	$158.61 - $177.86
Q4 2016	453,704	$73,945	$153.96	$141.92 - $167.25
Q3 2016	446,757	$64,543	$146.25	$140.95 - $151.05
Q2 2016	434,936	$62,974	$142.96	$136.65 - $148.03
Q1 2016	447,510	$63,493	$132.58	$123.55 - $143.40
Q4 2015	442,011	$58,363	$134.20	$127.46 - $138.62
Q3 2015	453,356	$59,118	$137.00	$125.50 - $144.69
Q2 2015	439,322	$59,796	$142.63	$136.08 - $148.57
Q1 2015	971,827	$140,254	$147.14	$142.50 - $151.69
Q4 2014	500,785	$75,193	$144.37	$132.03 - $152.94
Q3 2014	443,434	$61,256	$133.21	$122.72 - $142.45
Q2 2014	453,254	$57,364	$126.57	$121.09 - $129.73
Q1 2014	462,566	$57,807	$116.85	$108.12 - $125.91
Q4 2013	467,909	$55,475	$115.63	$110.84 - $118.66
Q3 2013	494,214	$56,098	$115.36	$110.72 - $119.30
Q2 2013	513,571	$57,479	$110.02	$102.69 - $115.98