ValuationViz

BRK.B fund manager activity

Berkshire Hathaway Inc. New · NYSE. Reported by 43 tracked fund managers in their 13F filings, Q3 2012 to Q3 2026.

Q3 2026

ManagerActivitySharesValue% of portfolioFiled
David Katz - Matrix Asset AdvisorsAdded12,645$6,296,5780.52%Oct 13, 2026

Q2 2026

ManagerActivitySharesValue% of portfolioFiled
Chuck Akre - Akre Capital ManagementTrimmed8,184$4,095,1920.08%Aug 14, 2026
Guy Spier - Aquamarine CapitalNo change97,600$48,838,00033.9%Jul 10, 2026
Bill & Melinda Gates Foundation TrustTrimmed14,689,844$7,350,651,03921.4%Aug 14, 2026
Arnold Van Den Berg - Century ManagementTrimmed22,466$11,241,7592.38%Aug 14, 2026
Steven Check - Check Capital ManagementAdded1,119,075$559,973,70431.7%Aug 5, 2026
Francis Chou - Chou AssociatesNo change3,100$1,551,2090.72%Aug 12, 2026
Christopher Davis - Davis AdvisorsTrimmed738,433$369,514,4551.59%Aug 11, 2026
Dodge & Cox FundsNo change11,440$5,724,4620.00%Aug 13, 2026
Bruce Berkowitz - Fairholme CapitalAdded87,852$43,960,2622.95%Aug 14, 2026
First Eagle Investment ManagementAdded67,626$33,839,4890.06%Aug 24, 2026
Ken Fisher - Fisher Asset ManagementTrimmed35,194$17,611,1680.01%Aug 4, 2026
Jeremy Grantham - GMOSold out——0.00%Aug 13, 2026
Thomas Russo - Gardner Russo & QuinnTrimmed1,079,364$540,102,9526.05%Aug 13, 2026
Francois Rochon - Giverny CapitalTrimmed248,447$124,320,3944.18%Aug 26, 2026
Joel Greenblatt - Gotham Asset ManagementTrimmed103,053$51,566,6910.12%Aug 14, 2026
Duan Yongping - H&H International InvestmentAdded9,229,696$4,618,447,58124.2%Aug 14, 2026
Li Lu - Himalaya Capital ManagementAdded1,108,318$554,591,24415.0%Aug 14, 2026
Mairs & Power FundsTrimmed23,590$11,804,2000.11%Aug 14, 2026
Thomas Gayner - Markel GroupNo change1,531,971$766,582,9695.84%Jul 31, 2026
David Katz - Matrix Asset AdvisorsAdded11,645$5,827,0420.47%Jul 15, 2026
MuhlenkampAdded38,495$19,262,5135.58%Aug 18, 2026
Bill Nygren - Oakmark FundsTrimmed25,253$12,636,3490.02%Aug 14, 2026
Robert Olstein - Olstein Capital ManagementSold out——0.00%Jul 7, 2026
Ruane Cunniff LPTrimmed300,672$150,453,2622.34%Aug 14, 2026
Christopher Bloomstran - Semper AugustusAdded273,145$136,679,02715.5%Aug 14, 2026
Harry Burn - Sound ShoreAdded203,903$102,031,0223.14%Aug 12, 2026
Torray FundsNo change2,884$1,443,1250.19%Jul 30, 2026
Tweedy BrowneAdded97,625$48,850,5743.70%Aug 7, 2026
Wallace Weitz - Weitz Investment ManagementTrimmed271,600$135,905,9249.41%Aug 12, 2026
Yacktman Asset ManagementAdded1,161,530$581,217,9977.19%Aug 11, 2026

Older quarters