BERKSHIRE HATHAWAY Class B (BRK-B) Ownership & Trading Activity
Institutional holders, insider transactions, and congressional trades for BRK-B. 13F holdings as of 2026-06-30.
In 13F filings for the quarter ended June 30, 2026, 4,895 institutions reported holding BRK-B, with 914.8 million shares worth $457.1 billion in aggregate.
Top Institutional Holders
| Institution | Shares | Value | Change |
|---|---|---|---|
| Vanguard | 160,408,794 | $80.3B | INCREASED |
| BlackRock | 121,183,112 | $60.6B | DECREASED |
| State Street | 75,747,788 | $37.9B | INCREASED |
| Geode Capital Management | 41,525,290 | $20.7B | INCREASED |
| Morgan Stanley | 26,667,166 | $13.3B | DECREASED |
Recent Insider Trades
| Insider | Type | Shares | Value | Date |
|---|---|---|---|---|
| Ajit Jain (Vice Chairman) | GIFT | 19 | 2026-10-21 | |
| Ajit Jain (Vice Chairman) | SELL | 39,700 | $20M | 2026-09-28 |
| Ajit Jain (Vice Chairman) | GIFT | 10 | 2026-09-03 | |
| Michael J. O'Sullivan (Senior Vice President, General Counsel and Secretary) | BUY | 43 | $22K | 2026-08-12 |
| Michael J. O'Sullivan (Senior Vice President, General Counsel and Secretary) | BUY | 400 | $205K | 2026-08-12 |
Full institutional holdings, insider history, and congressional trades for BERKSHIRE HATHAWAY Class B on SentiSense.