Cornerstone Advisory, LLC

SEC CIK: 0001668189
Latest filing: Jul 29, 2026

SEC filings (opens in a new tab)

BRK.B holding history

Berkshire Hathaway Inc in every 13F filed by Cornerstone Advisory, LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

BRK.B overview All 13F holders of BRK.B Full Q2 2026 holdings

Shares (Q2 2026): 51,523
Value: $25.8M
% of portfolio: 2.1%
Quarters held: 22; Since Q1 2021

Holdings of BRK.B by Cornerstone Advisory, LLC, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q2 2026	51,523	$25.8M	2.1%	−2,679−4.9%	Reduced	Holders
Q1 2026	54,202	$26.0M	2.5%	+227+0.4%	Added	Holders
Q4 2025	53,975	$27.1M	2.6%	+869+1.6%	Added	Holders
Q3 2025	53,106	$26.7M	2.6%	+8,726+19.7%	Added	Holders
Q2 2025	44,380	$21.6M	2.3%	+144+0.3%	Added	Holders
Q1 2025	44,236	$22.7M	2.6%	−70−0.2%	Reduced	Holders
Q4 2024	44,306	$21.2M	2.4%	+1,211+2.8%	Added	Holders
Q3 2024	43,095	$19.8M	2.6%	+164+0.4%	Added	Holders
Q2 2024	42,931	$17.5M	2.5%	−723−1.7%	Reduced	Holders
Q1 2024	43,654	$18.4M	2.6%	+1,169+2.8%	Added	Holders
Q4 2023	42,485	$15.2M	2.4%	+469+1.1%	Added	Holders
Q3 2023	42,016	$14.7M	2.6%	+6,154+17.2%	Added	Holders
Q2 2023	35,862	$12.2M	2.1%	−1,517−4.1%	Reduced	Holders
Q1 2023	37,379	$11.5M	2.1%	−758−2.0%	Reduced	Holders
Q4 2022	38,137	$11.8M	2.3%	−669−1.7%	Reduced	Holders
Q3 2022	38,806	$10.4M	2.3%	+2,448+6.7%	Added	Holders
Q2 2022	36,358	$9.93M	2.3%	−3,554−8.9%	Reduced	Holders
Q1 2022	39,912	$14.1M	2.1%	+222+0.6%	Added	Holders
Q4 2021	39,690	$11.9M	1.7%	+1,279+3.3%	Added	Holders
Q3 2021	38,411	$10.5M	1.7%	−502−1.3%	Reduced	Holders
Q2 2021	38,913	$10.8M	1.8%	+195+0.5%	Added	Holders
Q1 2021	38,718	$9.89M	1.9%	–	–	Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.