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$BRK.B · BERKSHIRE HATHAWAY INC DEL

Buffett conglomerate — insurance, railroads, utilities, equities

15 tracked filer(s) hold this · 1 opened, 2 added, 8 trimmed in 31-MAR-2026

Aggregate 13FScore 60 — mean of 15 scored holder(s) · buyers (new/add) avg 52. Higher = the smart money in this name has the better track record.

Filer13FScoreThis quarterSharesValue% of their book
George Soros / Soros Fund Mgmt30New buy133,277$63,866,3380.7%
H&H International Investment, LLC (auto-surfaced)63Added +27%9,147,796$4,383,623,84321.9%
Andrew Law / Caxton64Added +2%727$348,3418.7%
Norbert Lou / Punch Card46Holds (flat)145$104,130,30038.5%
Guy Spier / Aquamarine63Holds (flat)97,600$46,77034.6%
Guy Spier / Aquamarine63Holds (flat)30$21,54415.9%
François Rochon / Giverny63Holds (flat)11$7,899,5400.3%
GATES FOUNDATION TRUST (auto-surfaced)78Trimmed -12%17,048,304$8,169,547,27725.8%
Li Lu / Himalaya Capital93Trimmed -50%897,749$430,201,32113.4%
Rothschild & Co Wealth Management UK Ltd (auto-surfaced)42Trimmed -1%1,466,548$702,769,80210.8%
François Rochon / Giverny63Trimmed -25%378,625$181,437,1006.6%
Ruane Cunniff / Sequoia Fund71Trimmed -2%310,388$148,737,9302.5%
Ruane Cunniff / Sequoia Fund71Trimmed -4%110$78,995,4001.3%
Chuck Akre / Akre Capital33Trimmed -13%10,339$4,954,4490.1%
Bill Nygren / Oakmark (Harris Associates)62Trimmed -2%25,439$12,190,3690.0%

Every tracked holder of this name, sorted new → added → flat → trimmed. Shares = reported 13F share count; Value as reported (a few managers file values in $thousands). Generated 2026-06-27.