Berkshire Hathaway Inc. New (BRK.B) ownership: insiders 12% · institutions 101235% · index and ETF funds 21378% (13F 2026-06-30). Insider activity, 90 days: Insiders bought (0 sales, 3 open-market buys). 10 recent congressional STOCK Act disclosures. SEC EDGAR first-party data.
| Holder | Shares | Market Value | % Outstanding | Reported |
|---|---|---|---|---|
| Vanguard | 160412723.00 | $83.21B | 9761.5% | 2026-06-30 |
| BlackRock | 121183559.00 | $60.97B | 7374.3% | 2026-06-30 |
| State Street | 75748056.00 | $38.10B | 4609.5% | 2026-06-30 |
| Geode Capital Management | 41525290.00 | $20.74B | 2526.9% | 2026-06-30 |
| FMR (Fidelity) | 10414540.00 | $16.09B | 633.8% | 2026-06-30 |
| Morgan Stanley | 26667841.00 | $13.95B | 1622.8% | 2026-06-30 |
| Norges Bank | 8795630.00 | $12.16B | 535.2% | 2026-06-30 |
| First Manhattan Co. LLC. | 1791572.00 | $11.23B | 109.0% | 2026-06-30 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-09-03 | |
| Buy | null | 2026-08-12 | |
| Buy | null | 2026-08-12 | |
| Buy | null | 2026-08-12 | |
| Sell | null | 2026-08-12 | |
| Sell | null | 2026-07-14 | |
| Sell | null | 2026-07-14 | |
| Sell | null | 2026-07-14 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.