BERKSHIRE HATHAWAY INC-CL B (BRK-B) Stock Institutional Trading Activity


BERKSHIRE HATHAWAY INC-CL B (BRK-B) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Bill & Melinda Gates Foundation Trust, H&H International Investment, Renaissance Technologies LLC, Aquamarine Zurich AG, and Yacktman Asset Management. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

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Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q3 2025Fairholme Capital ManagementSell-16048,437$24,351,217
Q3 2025Eagle Capital ManagementBuy3950,873$25,575,892
Q3 2025Greenbrier Partners Capital ManagementSell-84887,964$44,223,021
Q3 2025Sequoia Financial AdvisorsSell-1,478226,492$113,866,443
Q3 2025Semper Augustus Investments GroupBuy3,575250,239$125,805,155
Q3 2025Sequoia FundSell-4,289322,552$162,159,792
Q3 2025Giverny CapitalSell-1,140510,644$256,721,165
Q3 2025H&H International InvestmentBuy1,810,0005,191,300$2,609,874,162
Q3 2025Bill & Melinda Gates Foundation TrustSell-2,358,46021,765,224$10,942,248,714
Q3 2025Tweedy, Browne Co All Funds (US)Sell-2,38699,113$49,828,070
Q3 2025Cullen Value FundSell-69196,718$48,236,829
Q2 2025Torray FundSell-4,57137,274$18,106,591
Q2 2025Yacktman Asset ManagementSell-49,924326,867$158,782,183
Q2 2025Lountzis Asset ManagementSell-3135,368$65,757,713
Q2 2025Sound Shore ManagementSell-24,774117,348$57,004,138
Q2 2025Gardner Russo & QuinnSell-26,0421,154,566$560,853,526
Q2 2025Olstein Capital ManagementSell-1,1507,600$3,692
Q2 2025Eagle Capital ManagementBuy1311,354$5,515
Q2 2025Matrix Private Capital GroupSell-1591,394$677,163
Q2 2025Renaissance Technologies LLCBuy1,2323,268$1,586,270
Q2 2025Akre Capital ManagementSell-1,19013,985$6,793,493
Q2 2025First Eagle U.S. ValueBuy2,99418,876$9,169,540
Q2 2025Mairs & Power Growth FundBuy1,48826,092$12,674,711
Q2 2025Muhlenkamp & CoBuy21338,351$18,629,959
Q2 2025Fairholme Capital ManagementSell-12048,597$23,606,965
Q2 2025Eagle Capital ManagementSell-11250,834$24,693,632
Q2 2025Sequoia Financial AdvisorsBuy655227,970$110,740,959
Q2 2025Semper Augustus Investments GroupBuy7,315246,664$119,821,971
Q2 2025Sequoia FundSell-10,141326,841$158,769,553
Q2 2025Giverny CapitalBuy8,452511,784$248,609,314

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.