Berkshire Hathaway Inc
Ownership
Ownership Structure
Who owns Berkshire Hathaway Inc (BRK-A)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions.
Largest Shareholders
No ownership data is available for this stock yet.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| O'Sullivan Michael J. | See Remarks | 1,151 | 876,677,681 $ | Aug 12, 2026 | indirect |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 12, 2026 | O'Sullivan Michael J. | See Remarks | Buy | 43 | 513.61 | 22,085 |
| Aug 12, 2026 | O'Sullivan Michael J. | See Remarks | Buy | 400 | 512.52 | 205,008 |
| Aug 12, 2026 | O'Sullivan Michael J. | See Remarks | Buy | 45 | 510.64 | 22,979 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: August 13, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.