ActivistsInvestorsTrumpPoliticiansSerenityCitriniSemianalysisTradeArbitrageSearch
By filer · By stock

$BRK.B:NYSE · BERKSHIRE HATHAWAY INC DEL

Sector: financefintech

Conviction from: S&P

Tradable on: Bitget →

Berkshire Hathaway is a diversified holding company led by Warren Buffett, owning insurance, railroad, energy, and manufacturing businesses alongside a large portfolio of public equities.

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

Aggregate 13FScore 65 — mean of 15 scored holder(s) · buyers (new/add) avg 55. Higher = the smart money in this name has the better track record.

Filer13FScoreThis quarterSharesValue% of their book
George Soros / Soros Fund Mgmt31New buy133,277$63,866,3380.7%
H&H International Investment, LLC (auto-surfaced)68Added +27%9,147,796$4,383,623,84321.9%
Andrew Law / Caxton67Added +2%727$348,3418.7%
Norbert Lou / Punch Card49Holds (flat)145$104,130,30038.5%
Guy Spier / Aquamarine67Holds (flat)97,600$46,77034.6%
Guy Spier / Aquamarine67Holds (flat)30$21,54415.9%
François Rochon / Giverny68Holds (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)51Trimmed -1%1,466,548$702,769,80210.8%
François Rochon / Giverny68Trimmed -25%378,625$181,437,1006.6%
Ruane Cunniff / Sequoia Fund76Trimmed -2%310,388$148,737,9302.5%
Ruane Cunniff / Sequoia Fund76Trimmed -4%110$78,995,4001.3%
Chuck Akre / Akre Capital43Trimmed -13%10,339$4,954,4490.1%
Bill Nygren / Oakmark (Harris Associates)68Trimmed -2%25,439$12,190,3690.0%

Beyond 13F — activists, insiders, politicians & research

Insider open-market buys daily digest →

FiledInsiderRoleSharesValue
2026-05-06O'Sullivan Michael J.officer536$250,545Form 4

Congressional trades all politician trades →

18 disclosed trade(s) by 8 filer(s).

Trade dateWhoTypeAmount
2026-06-23Jerry Moran, senateBUY$15,001 - $50,000PTR
2026-05-27Jerry Moran, senateBUY$1,001 - $15,000PTR
2026-05-27Jerry Moran, senateBUY$1,001 - $15,000PTR
2026-05-27Jerry Moran, senateBUY$1,001 - $15,000PTR
2026-05-27Jerry Moran, senateBUY$1,001 - $15,000PTR
2026-05-04Josh Gottheimer NJ05SELL$1,001 - $15,000PTR
2026-05-04Josh Gottheimer NJ05SELL$1,001 - $15,000PTR
2026-03-31Tina Smith senateSELL$100,001 - $250,000PTR
2026-03-27Alan Armstrong senateBUY$50,001 - $100,000PTR
2026-03-25Gilbert Cisneros CA31SELL$1,001 - $15,000PTR
2026-03-16Gilbert Cisneros CA31SELL$1,001 - $15,000PTR
2026-03-16Mark Alford MO04SELL$1,001 - $15,000PTR
2026-03-13August Lee Pfluger II TX11BUY$15,001 - $50,000PTR
2026-02-10Christian D. Menefee TX18SELL$1,001 - $15,000PTR
2026-02-10Christian D. Menefee TX18SELL$15,001 - $50,000PTR
2026-02-10Christian D. Menefee TX18SELL$15,001 - $50,000PTR
2026-01-27Tina Smith senateSELL$100,001 - $250,000PTR
2025-12-24Gilbert Cisneros CA31SELL$1,001 - $15,000PTR

Trump & executive branch trades all Trump/exec trades →

20 disclosed trade(s) by 1 filer(s).

Trade dateWhoTypeAmount
2026-07-01Trump, Donald J PresidentSELL$15,001 - $50,000PTR
2026-07-01Trump, Donald J PresidentSELL$100,001 - $250,000PTR
2026-07-01Trump, Donald J PresidentBUY$100,001 - $250,000PTR
2026-07-01Trump, Donald J PresidentSELL$1,001 - $15,000PTR
2026-07-01Trump, Donald J PresidentBUY$15,001 - $50,000PTR
2026-07-01Trump, Donald J PresidentSELL$1,000,001 - $5,000,000PTR
2026-07-01Trump, Donald J PresidentBUY$1,001 - $15,000PTR
2026-07-01Trump, Donald J PresidentBUY$50,001 - $100,000PTR
2026-05-14Trump, Donald J PresidentSELL$15,001 - $50,000PTR
2026-05-14Trump, Donald J PresidentBUY$15,001 - $50,000PTR
2026-05-14Trump, Donald J PresidentBUY$15,001 - $50,000PTR
2026-05-14Trump, Donald J PresidentBUY$50,001 - $100,000PTR
2026-05-14Trump, Donald J PresidentBUY$1,001 - $15,000PTR
2026-05-14Trump, Donald J PresidentBUY$50,004 - $100,000PTR
2026-05-14Trump, Donald J PresidentBUY$50,001 - $100,000PTR
2026-05-14Trump, Donald J PresidentBUY$100,001 - $250,000PTR
2026-05-14Trump, Donald J PresidentBUY$15,001 - $50,000PTR
2026-05-14Trump, Donald J PresidentBUY$100,001PTR
2026-05-14Trump, Donald J PresidentBUY$1,001 - $15,000PTR
2026-05-14Trump, Donald J PresidentBUY$1,001 - $15,000PTR

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 2026-07-20.