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 2024Renaissance Technologies LLCBuy221,217222,515$102,413,748
Q3 2024Semper Augustus Investments GroupBuy746237,820$109,459,033
Q3 2024Sequoia Financial AdvisorsBuy23,654246,200$113,315,824
Q3 2024Sequoia FundSell-4,617434,304$199,892,759
Q3 2024Giverny CapitalBuy4,841489,311$225,210,281
Q3 2024H&H International InvestmentSell-117,0003,782,100$1,740,749,346
Q3 2024Bill & Melinda Gates Foundation TrustSell-2,482,58922,137,613$10,189,057,759
Q3 2024Tweedy, Browne Co All Funds (US)Sell-9,028140,855$64,829,922
Q3 2024Cullen Value FundSell-85999,679$45,878,257
Q2 2024Torray FundBuy50,16364,385$26,191,818
Q2 2024Yacktman Asset ManagementBuy9,514686,096$279,103,853
Q2 2024Lountzis Asset ManagementSell-249139,475$56,738,430
Q2 2024Dodge & Cox Stock FundSell-11712,703$5,167,580
Q2 2024Gardner Russo & QuinnSell-74,2211,390,310$565,578,108
Q2 2024Sound Shore ManagementSell-6,698204,387$83,144,632
Q2 2024Eagle Capital ManagementBuy6811,310$4,601
Q2 2024Meritage GroupSell-834809$329,101
Q2 2024Renaissance Technologies LLCSell-188,2921,298$528,220
Q2 2024Matrix Private Capital GroupBuy1351,889$768,566
Q2 2024Matrix Advisors Value FundBuy252,774$1,128,000
Q2 2024First Eagle U.S. ValueBuy2,3246,103$2,482,627
Q2 2024Akre Capital ManagementSell-59515,895$6,466,086
Q2 2024Mairs & Power Growth FundSell-8526,379$10,730,977
Q2 2024Muhlenkamp & CoSell-4138,142$15,516,166
Q2 2024Fairholme Capital ManagementBuy99449,952$20,320,474
Q2 2024Sequoia Financial AdvisorsSell-4,155222,546$90,531,518
Q2 2024Semper Augustus Investments GroupBuy5,255237,074$96,441,703
Q2 2024Sequoia FundSell-11,601438,921$178,553,063
Q2 2024Giverny CapitalBuy4,495484,470$197,082,396
Q2 2024H&H International InvestmentSell-193,1003,899,100$1,586,153,880

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.