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
Q4 2022Fairholme Capital ManagementSell-35,57061,955$19,137,900
Q4 2022Sequoia Financial AdvisorsBuy30,109151,211$46,709,073
Q4 2022Semper Augustus Investments GroupBuy1,021229,007$70,740,262
Q4 2022Sequoia FundSell-12,923509,192$157,289,409
Q4 2022H&H International InvestmentSell-194,7966,294,465$1,944,360,000
Q4 2022Bill & Melinda Gates Foundation TrustSell-5,000,00024,689,845$7,626,693,121
Q4 2022Tweedy, Browne Co All Funds (US)Sell-1,988190,841$58,951
Q3 2022Kahn Brothers GroupSell-433,107$829,702
Q3 2022Torray FundBuy30064,106$17,118
Q3 2022Yacktman Asset ManagementSell-1,743707,956$189,038
Q3 2022Lountzis Asset ManagementSell-1,205150,766$40,257
Q3 2022Ariel Appreciation FundSell-47526,588$7,100
Q3 2022Gardner Russo & QuinnSell-30,8801,717,887$458,710
Q3 2022Sound Shore ManagementBuy80,707322,987$86,244
Q3 2022Meritage GroupSell-1,0881,643$439
Q3 2022Matrix Private Capital GroupSell-1,6071,898$507
Q3 2022Matrix Advisors Value FundBuy222,728$728
Q3 2022Mairs & Power Growth FundSell-9023,533$6,284
Q3 2022Muhlenkamp & CoBuy20037,394$9,985
Q3 2022Fairholme Capital ManagementBuy48,20097,525$26,041
Q3 2022Sequoia Financial AdvisorsSell-2,832121,102$32,337
Q3 2022Aquamarine Zurich AGBuy140,600140,600$37,543
Q3 2022Semper Augustus Investments GroupBuy1,777227,986$60,877
Q3 2022Giverny CapitalBuy5,105462,807$123,579
Q3 2022Renaissance Technologies LLCSell-1,311,300479,700$128,089
Q3 2022Sequoia FundBuy12,493522,115$139,415
Q3 2022H&H International InvestmentSell-275,2006,489,261$1,732,762
Q3 2022Bill & Melinda Gates Foundation TrustSell-5,000,00029,689,845$7,927,782
Q3 2022Tweedy, Browne Co All Funds (US)Sell-2,646192,829$51,489
Q2 2022Torray FundBuy9,47063,806$17,420

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.