TRAPHAGEN INVESTMENT ADVISORS LLC

Holdings History for BERKSHIRE HATHAWAY INC DEL - CLASS A COMMON STOCK (BRKA)

Symbol: BRKA on NYSE
Investment type: Equity / CLASS A COMMON STOCK

Shares, Excluding Options vs Price

Value, Excluding Options

Holdings date	Weight	Change	Value $	Shares	Price	All Holders
31 Dec 2025	0.87%	0%	$10,567,200	14	$754800.00	Q4 2025
30 Sep 2025	0.91%	0%	$10,558,800	14	$754200.00	Q3 2025
30 Jun 2025	0.97%	0%	$10,203,200	14	$728800.00	Q2 2025
31 Mar 2025	1.2%	0%	$11,178,182	14	$798441.57	Q1 2025
31 Dec 2024	0.97%	0%	$9,532,880	14	$680920.00	Q4 2024
30 Sep 2024	0.98%	0%	$9,676,520	14	$691180.00	Q3 2024
30 Jun 2024	0.93%	0%	$8,571,374	14	$612241.00	Q2 2024
31 Mar 2024	0.95%	0%	$8,882,160	14	$634440.00	Q1 2024
31 Dec 2023	0.89%	0%	$7,596,750	14	$542625.00	Q4 2023
30 Sep 2023	0.94%	0%	$7,440,678	14	$531477.00	Q3 2023
30 Jun 2023		0%	$3,140,951	9,211	$341.00 ^*	Q2 2023
31 Mar 2023		0%	$2,909,848	9,424	$308.77 ^*	Q1 2023
31 Dec 2022		0%	$3,100,429	10,037	$308.90 ^*	Q4 2022
30 Sep 2022		0%	$2,731,882	10,231	$267.02 ^*	Q3 2022
30 Jun 2022		0%	$2,825,757	10,350	$273.02 ^*	Q2 2022
31 Mar 2022		0%	$3,210,422	9,097	$352.91 ^*	Q1 2022
31 Dec 2021		0%	$3,048,604	10,196	$299.00 ^*	Q4 2021
30 Sep 2021		0%	$335,620	400	$839.05 ^*	Q3 2021
30 Jun 2021		0%	$350,151	400	$875.38 ^*	Q2 2021
31 Mar 2021		0%	$304,740	404	$754.31 ^*	Q1 2021
31 Dec 2020		0%	$297,431	412	$721.92 ^*	Q4 2020
30 Sep 2020		0%	$232,287	412	$563.80 ^*	Q3 2020
30 Jun 2020		0%	$1,977,534	11,078	$178.51 ^*	Q2 2020
31 Mar 2020		0%	$1,986,996	10,868	$182.83 ^*	Q1 2020
31 Dec 2019		0%	$1,906,904	8,419	$226.50 ^*	Q4 2019
30 Sep 2019		0%	$1,841,809	8,854	$208.02 ^*	Q3 2019
30 Jun 2019		0%	$1,885,275	8,844	$213.17 ^*	Q2 2019
31 Mar 2019		0%	$1,776,671	8,844	$200.89 ^*	Q1 2019

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.