StockSEC filings
BERKSHIRE HATHAWAY INC DEL (BRKB): Insider Trades and Fund Holdings
What insiders and tracked funds have reported about BERKSHIRE HATHAWAY INC DEL in SEC filings.
0Insider buys, 12 months
$0Bought by insiders, 12 months
$0Sold by insiders, 12 months
7Tracked funds holding
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Tracked funds that report BRKB
From each fund's latest 13F. Holdings are as of quarter end and are filed up to 45 days later.
| Fund | Shares | Value | Change |
|---|---|---|---|
| Gates Foundation Trust | 14,689,844 | $7.35B | ▼ −13.8% |
| Markel Group | 1,531,971 | $766.6M | No change |
| Himalaya Capital | 1,108,318 | $554.6M | ▲ +23.5% |
| Ruane, Cunniff & Goldfarb | 300,672 | $150.5M | ▼ −3.1% |
| Soros Fund Management | 133,277 | $66.7M | No change |
| Akre Capital Management | 8,184 | $4.10M | ▼ −20.8% |
| Renaissance Technologies | 1,791 | $892K | ▲ +4.0% |
Source: SEC Form 13F-HR filings, retrieved Oct 28, 2026. How we read filings
Reading these numbers
Insiders sell for many reasons: taxes, diversification, a house. Purchases with their own money are rarer and are usually read as more informative. A Form 4 is due within two business days of the trade. How to read a Form 4 →