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.

Explore more:

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q4 2024Sound Shore ManagementBuy27,698158,812$71,986,304
Q4 2024Gardner Russo & QuinnSell-55,9831,286,921$583,335,551
Q4 2024Eagle Capital ManagementBuy6811,396$5,166
Q4 2024Olstein Capital ManagementBuy1,00013,100$5,938
Q4 2024Renaissance Technologies LLCSell-220,2452,270$1,031,956
Q4 2024First Eagle U.S. ValueBuy3,05211,356$5,147,611
Q4 2024Matrix Advisors Value FundBuy9,79312,567$5,696,370
Q4 2024Mairs & Power Growth FundBuy94625,993$11,782,107
Q4 2024Muhlenkamp & CoBuy4838,172$17,302,785
Q4 2024Fairholme Capital ManagementSell-1,35548,717$22,082,442
Q4 2024Semper Augustus Investments GroupBuy233238,053$107,904,664
Q4 2024Sequoia Financial AdvisorsBuy1,704247,904$112,370,135
Q4 2024Sequoia FundSell-86,057348,247$157,853,400
Q4 2024Giverny CapitalBuy16,239505,550$229,155,704
Q4 2024Bill & Melinda Gates Foundation TrustSell-2,482,58919,655,024$8,909,229,279
Q4 2024Tweedy, Browne Co All Funds (US)Sell-40,440100,415$45,516,111
Q4 2024Cullen Value FundSell-56599,114$44,926,394
Q3 2024Torray FundSell-6,35858,027$26,707,507
Q3 2024Yacktman Asset ManagementSell-102,901583,195$268,421,331
Q3 2024Lountzis Asset ManagementSell-244139,231$64,082,460
Q3 2024Sound Shore ManagementSell-73,273131,114$60,346,530
Q3 2024Gardner Russo & QuinnSell-47,4061,342,904$618,084,995
Q3 2024Eagle Capital ManagementBuy1811,328$5,214
Q3 2024Olstein Capital ManagementSell-1,40012,100$5,569
Q3 2024First Eagle U.S. ValueBuy2,2018,304$3,822,188
Q3 2024Akre Capital ManagementSell-62115,274$7,030,011
Q3 2024Mairs & Power Growth FundSell-1,33225,047$11,528,132
Q3 2024Muhlenkamp & CoSell-1838,124$17,547,136
Q3 2024Fairholme Capital ManagementBuy12050,072$23,046,139
Q3 2024Greenbrier Partners Capital ManagementSell-11788,812$41,507,176

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.