Berkshire Hathaway Inc
BRK.B- Exchange
- NYSE
- Industry
- Fire, Marine & Casualty Insurance
- SEC CIK
- 0001067983
In the last 90 days, Berkshire Hathaway Inc insiders filed 1 open-market purchase and 0 sales; 4,927 institutions reported holding it in 13F filings for Q2 2026, worth $460.4B in total; 13 superinvestors hold it, including Gates Foundation Trust and H&H International Investment.
Other share classesBRK.A
Key figures
- Insider buysLast 90 days, $250.1K in total
- 1
- Insider sellsOpen market, last 90 days
- 0
- 13F holdersQ2 2026, +100 vs. previous quarter
- 4,927
- 13F valueReported value at the end of Q2 2026
- $460.4B
- Superinvestors holdingAt the end of Q2 2026
- 13
Price chart
Superinvestors holding BRK.B, Q2 2026
13 superinvestors report holding Berkshire Hathaway Inc on Form 13F. Percentages are the stock's share of each portfolio.
Gates Foundation Trust
Bill Gates
21.4%
Berkshire Hathaway Inc's share of the portfolio
- Shares
- 14,689,844
- Value
- $7.35B
H&H International Investment
Duan Yongping
24.2%
Berkshire Hathaway Inc's share of the portfolio
- Shares
- 9,229,696
- Value
- $4.62B
| Superinvestor | Weight | Value |
|---|---|---|
| Markel Group | 5.8% | $766.6M |
| Himalaya Capital | 15.0% | $554.6M |
| Gardner Russo & Quinn | 6.1% | $540.1M |
| Semper Augustus | 15.5% | $136.7M |
| Weitz Investment Management | 9.4% | $135.9M |
| Superinvestor | Weight | Value |
|---|---|---|
| Giverny Capital | 4.2% | $124.3M |
| Soros Fund Management | 0.9% | $66.7M |
| Aquamarine | 33.9% | $48.8M |
| Harris Associates (Oakmark) | <0.1% | $12.6M |
| Akre Capital Management | 0.1% | $4.10M |
Latest insider trades
Open-market purchases and sales by Berkshire Hathaway Inc insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Aug 13, 2026 (view filing)5:06 PM ET | Aug 12 | 1 day | O'Sullivan Michael J.See Remarks | PPurchaseClass B Common Stock | +488 | $512.44 | +$250.1K | +73.6%1.15K after | 3 lots |
| Aug 13, 2026 (view filing)5:00 PM ET | Aug 12 | 1 day | Chang Charles CSee Remarks | PPurchaseClass A Common Stock | +2 | $765,187.06 | +$1.53M | –8 after | Derivative2 lotsPrice outlier |
| May 6, 2026 (view filing) | May 6 | Same day | O'Sullivan Michael J.See Remarks | PPurchaseClass B Common Stock | +536 | $467.44 | +$250.5K | +422.0%663 after | 2 lots |
| Mar 5, 2026 (view filing)7:25 AM ET | Mar 4 | 1 day | Abel GregorySee Remarks | PPurchaseClass A Common Stock | +21 | $728,970.11 | +$15.3M | –249 after | Derivative18 lotsPrice outlier |
| Sep 26, 2025 (view filing) | Sep 26 | Same day | Jain AjitVice Chairman | SSaleClass B Common Stock | −15.0K | – | – | −12.3%107.3K after | |
| Aug 8, 2025 (view filing) | Aug 8 | Same day | Jain AjitVice Chairman | SSaleClass B Common Stock | −2.00K | $464.73 | −$929.5K | −1.6%122.3K after | |
| Mar 4, 2025 (view filing) | Mar 3 | 1 day | Witmer Meryl BDirector | SSaleClass A Common Stock | −2 | $775,883.30 | −$1.55M | −50.0%2 after | |
| Jan 3, 2025 (view filing) | Dec 31, 2024 | 3 days | Guyman CharlotteDirector | SSaleClass A Common Stock | −1 | $678,064.00 | −$678.1K | –55 after | DerivativePrice outlier |
| Sep 11, 2024 (view filing) | Sep 9 | 2 days | Jain AjitVice Chairman | SSaleClass B Common Stock | −300.0K | $463.61 | −$139.1M | –61 after | DerivativePrice outlier |
| Aug 10, 2023 (view filing) | Aug 8 | 2 days | Jain AjitVice Chairman | SSaleClass B Common Stock | −28.0K | $362.55 | −$10.2M | −18.4%124.3K after |
Top 10 13F holders, Q2 2026
The largest institutional positions in Berkshire Hathaway Inc at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 121,183,112 | $60.6B | 0.90% | −24,5350.0% | Reduced |
| Vanguard Capital Management LLC | 118,360,180 | $59.2B | 1.27% | +944,645+0.8% | Added |
| State Street Corp | 75,747,788 | $37.9B | 1.12% | +1,648,726+2.2% | Added |
| Geode Capital Management, LLC | 41,525,290 | $20.7B | 1.11% | +365,484+0.9% | Added |
| Morgan Stanley | 26,667,029 | $13.3B | 0.71% | −187,412−0.7% | Reduced |
| Vanguard Portfolio Management LLC | 24,378,984 | $12.2B | 0.55% | +650,470+2.7% | Added |
| Northern Trust Corp | 15,437,812 | $7.72B | 0.90% | −49,504−0.3% | Reduced |
| Gates Foundation TrustSuperinvestorGates Foundation Trust | 14,689,844 | $7.35B | 21.35% | −2,358,460−13.8% | Reduced |
| JPMorgan Chase & Co | 12,973,252 | $6.43B | 0.38% | −3,388,086−20.7% | Reduced |
| Charles Schwab Investment Management Inc | 11,570,593 | $5.79B | 0.77% | +188,804+1.7% | Added |