The smart money on BRK.B

Every signal we track for BRK.B in one place: which legendary investors hold it, which members of Congress traded it, insider open-market buys, and activist stakes. From public SEC and STOCK Act filings. Free — not investment advice.

2
Superinvestors
2
Congress trades
0
Insider buys
0
Activist stakes

Superinvestors · 2 of 15 hold it

Investor% of portfolioPositionLast quarter
Bill Gates21.4%$7.4BTRIMMED
George Soros0.9%$67MHELD

Congress · 2 disclosed trades

Trade dateMemberActionAmount
2026-08-07Hon. Maria Elvira Salazar FL27BUY$1.001k–$15k
2026-07-30Hon. Richard Dean Dr McCormick GA06BUY$1.001k–$15k

Follow these investors free →See all Congress trades

13F is a quarterly snapshot (up to 45 days late); Congress and insider filings land within days. Public data, not investment advice.

Building on this? Get insider trades, 8-K, 13F and 13D as JSON from the SEC EDGAR API.