BERKSHIRE HATHAWAY INC-CL B (BRK-B) Institutional Ownership Changes & 13F Activity

BERKSHIRE HATHAWAY INC-CL B (BRK-B) institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC 13F filings (Q1 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Bill & Melinda Gates Foundation Trust, H&H International Investment, Renaissance Technologies LLC, Giverny Capital, and Sequoia Financial Advisors.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2026Bill & Melinda Gates Foundation TrustSell-2,358,46017,048,304$8,169,547,277
Q1 2026H&H International InvestmentBuy1,971,6009,147,796$4,383,623,843
Q1 2026Renaissance Technologies LLCSell-250,4661,722$824,942
Q1 2026Giverny CapitalSell-127,359378,625$181,437,100
Q1 2026Sequoia Financial AdvisorsSell-28,248252,527$121,011,066
Q1 2026Gardner Russo & QuinnSell-14,9661,110,429$532,117,577
Q1 2026Sound Shore ManagementSell-10,719199,485$95,593,212
Q1 2026First Eagle U.S. ValueBuy5,72657,603$27,603,257
Q1 2026Sequoia FundSell-5,718310,388$148,737,930
Q1 2026Greenbrier Partners Capital ManagementSell-3,91080,704$38,673,357
Q1 2026Semper Augustus Investments GroupBuy3,814253,025$121,249,580
Q1 2026Chou Associates ManagementBuy3,1003,100$1,485,520
Q1 2026Fairholme Capital ManagementBuy2,44050,452$24,176,598
Q1 2026Yacktman Asset ManagementBuy1,948314,981$150,938,895
Q1 2026Akre Capital ManagementSell-1,56310,339$4,954,449
Q1 2026Mairs & Power Growth FundSell-92823,929$11,466,777
Q1 2026Cullen Value FundBuy685101,430$48,603,277
Q1 2026Tweedy, Browne Co All Funds (US)Buy32597,406$46,676,955
Q1 2026Lountzis Asset ManagementSell-265134,308$64,360,394
Q1 2026Matrix Private Capital GroupBuy1292,088$1,000,570
Q1 2026Muhlenkamp & CoSell-6038,351$18,377,799
Q1 2026Eagle Capital ManagementSell-2011,105$5,322
Q4 2025Bill & Melinda Gates Foundation TrustSell-2,358,46019,406,764$9,754,809,925
Q4 2025H&H International InvestmentBuy1,984,8967,176,196$3,607,114,919
Q4 2025Renaissance Technologies LLCBuy249,133252,188$126,757,442
Q4 2025Sequoia Financial AdvisorsBuy54,283280,775$141,131,410
Q4 2025Aquamarine Zurich AGSell-43,00097,600$49,059
Q4 2025First Eagle U.S. ValueBuy36,56751,877$26,076,024
Q4 2025Gardner Russo & QuinnSell-35,9991,125,395$565,679,797
Q4 2025Sound Shore ManagementBuy30,970210,204$105,659,041

Frequently asked questions about BRK-B activity

  • Which institutional owners are buying BRK-B?

    Institutional owners buying BRK-B include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in BRK-B activity?

    "Buy" means an investor increased their reported position in BRK-B compared to the prior reporting period. This reflects growing exposure to BERKSHIRE HATHAWAY INC-CL B (BRK-B) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in BRK-B increasing?

    Institutional interest in BRK-B can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.

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