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
Q2 2025Bill & Melinda Gates Foundation TrustBuy6,951,24924,123,684$11,718,561,977
Q2 2025Tweedy, Browne Co All Funds (US)Buy11,529101,499$49,305,169
Q2 2025Cullen Value FundSell-3397,409$47,318,370
Q1 2025Torray FundSell-6,14641,845$22,285,810
Q1 2025Yacktman Asset ManagementSell-95,014376,791$200,671,351
Q1 2025Lountzis Asset ManagementSell-2,269135,371$71,873,879
Q1 2025Dodge & Cox Stock FundBuy3712,740$6,785,069
Q1 2025Sound Shore ManagementSell-16,690142,122$75,691,335
Q1 2025Gardner Russo & QuinnSell-106,3131,180,608$628,768,209
Q1 2025Olstein Capital ManagementSell-4,3508,750$4,660
Q1 2025Eagle Capital ManagementSell-5511,341$6,040
Q1 2025Matrix Private Capital GroupSell-3361,553$827,255
Q1 2025Renaissance Technologies LLCSell-2342,036$1,086,184
Q1 2025Matrix Advisors Value FundSell-97611,591$6,173,135
Q1 2025Akre Capital ManagementSell-9915,175$8,081,901
Q1 2025First Eagle U.S. ValueBuy4,52615,882$8,458,622
Q1 2025Mairs & Power Growth FundSell-1,38924,604$13,103,598
Q1 2025Muhlenkamp & CoSell-3438,138$20,311,749
Q1 2025Eagle Capital ManagementBuy12650,946$27,132,821
Q1 2025Sequoia Financial AdvisorsSell-20,589227,315$121,063,166
Q1 2025Semper Augustus Investments GroupBuy1,296239,349$127,472,490
Q1 2025Sequoia FundSell-11,265336,982$179,469,874
Q1 2025Giverny CapitalSell-2,218503,332$268,064,557
Q1 2025H&H International InvestmentSell-400,8003,381,300$1,800,812,754
Q1 2025Bill & Melinda Gates Foundation TrustSell-2,482,58917,172,435$9,145,695,432
Q1 2025Tweedy, Browne Co All Funds (US)Sell-10,44589,970$47,916,223
Q1 2025Cullen Value FundSell-1,67297,442$51,895,660
Q4 2024Torray FundSell-10,03647,991$21,753,360
Q4 2024Yacktman Asset ManagementSell-111,390471,805$213,859,770
Q4 2024Lountzis Asset ManagementSell-1,591137,640$62,389,459

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.