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© 2026 DataHeimdall. All rights reserved.Data sourced from SEC EDGAR public filings.
Insider Trades

BRKB

Superinvestors

Institutional investors holding BRKB

Consensus →
InvestorFundWeightSharesValueQuarter
Bill & Melinda Gates FoundationBill & Melinda Gates Foundation Trust25.80%17,048,304$8.2B2026Q1
Guy SpierAquamarine Capital22.55%140,600$38.4M2022Q2
Duan YongpingH&H International Investment21.91%9,147,796$4.4B2026Q1
Bill AckmanPershing Square Capital Management15.17%5,453,360$997.0M2020Q1
Mohnish PabraiPabrai Investments14.41%444,941$33.9M2011Q4
Li LuHimalaya Capital Management13.44%897,749$430.2M2026Q1
Wallace WeitzWeitz Investment Management9.33%278,850$133.6M2026Q1
Francois RochonGiverny Capital6.64%378,625$181.4M2026Q1
Thomas GaynerMarkel Group6.43%31,546$124.7M2007Q3
Glenn GreenbergBrave Warrior Advisors6.40%671,870$200.9M2021Q4
Thomas RussoGardner Russo & Quinn6.26%1,110,429$532.1M2026Q1
Tweedy Browne Co.Tweedy Browne Value Fund3.71%97,406$46.7M2026Q1
Ruane CunniffSequoia Fund3.30%2,031,475$402.7M2017Q4
Harry BurnSound Shore3.20%199,485$95.6M2026Q1
Yacktman Asset ManagementYacktman Asset Management2.01%314,981$150.9M2026Q1
Christopher DavisDavis Selected Advisers1.65%749,846$359.3M2026Q1
Bruce BerkowitzFairholme Capital1.60%50,452$24.2M2026Q1
David EinhornGreenlight Capital1.50%57,500$10.5M2020Q1
Viking Global InvestorsViking Global Investors1.43%2,304,200$206.7M2012Q4
Robert OlsteinOlstein Capital Management1.15%11,000$5K2026Q1
David KatzMatrix Asset Advisors0.51%11,595$5.6M2026Q1
Torray FundsTorray Investment Partners0.20%2,884$1.4M2026Q1
Mason HawkinsLongleaf Partners – Southeastern Asset Management0.17%38,700$7.1M2020Q1
Kahn Brothers GroupKahn Brothers Group0.14%3,107$959K2023Q1
Mairs & PowerMairs & Power Growth Fund0.12%23,929$11.5M2026Q1
Chuck AkreAkre Capital Management0.08%10,339$5.0M2026Q1
Polen Capital ManagementPolen Capital Management0.07%90$403K2008Q1
First Eagle Investment ManagementFirst Eagle Investment Management0.04%57,603$27.6M2026Q1
Bill NygrenOakmark Select Fund – Harris Associates0.02%25,439$12.2M2026Q1
Kenneth FisherFisher Asset Management0.01%38,121$18.3M2026Q1
Greenhaven AssociatesGreenhaven Associates0.01%1,001$533K2025Q1
Jensen Investment ManagementJensen Investment Management0.00%1$3K2009Q3
Dodge & CoxDodge & Cox0.00%11,440$5.5M2026Q1

Congressional Activity

Congressional data coming soon

Insider Activity

No insider trades in the last 90 days

Insider Tradeslast 90 days

No insider trades in the last 90 days.

Congressional Tradeslast 90 days

Congressional trade data is being sourced and will appear here shortly.