Berkshire Hathaway Ownership | Who Owns Berkshire Hathaway?
Berkshire Hathaway Ownership Summary
Berkshire Hathaway is owned by 43.14% institutional investors, 0.27% insiders, and 56.59% retail investors. Xxec is the largest institutional shareholder, holding 10.08% of BRK-B shares.
BRK-B Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Berkshire Hathaway | 43.14% | 0.27% | 56.59% |
| Sector | Financial Services Stocks | 734.95% | 13.85% | -648.79% |
| Industry | Diversified Insurance Stocks | 51.35% | 11.81% | 36.83% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Xxec | 217.51M | 10.08% | $1.06B |
| Vanguard group | 157.10M | 7.28% | $78.97B |
| Blackrock funding, inc. /de | 121.18M | 5.62% | $60.64B |
| Vanguard capital management | 118.36M | 5.49% | $59.23B |
| Blackrock | 107.26M | 4.97% | $43.63B |
| State street | 75.75M | 3.51% | $37.90B |
| Geode capital management | 41.53M | 1.93% | $20.74B |
| Morgan stanley | 26.67M | 1.24% | $13.34B |
| Northern trust | 15.44M | 0.72% | $7.72B |
| Bill & melinda gates foundation trust | 14.69M | 0.68% | $7.35B |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| University of notre dame du lac | 177.78K | 100.00% | $72.32M |
| Tetrad | 1.92M | 92.03% | $962.31M |
| 1922 investment | 2.83K | 74.85% | $1.41M |
| Black point wealth management | 4.12K | 57.26% | $2.00M |
| Cook & bynum capital management | 110.67K | 41.17% | $55.38M |
| Greylin investment management | 528.35K | 35.95% | $214.93M |
| Aquamarine zurich | 97.60K | 33.89% | $48.84M |
| Templeton & phillips capital management | 92.23K | 33.67% | $46.15M |
| Ardent capital management | 158.32K | 32.92% | $79.22M |
| Pacifica capital investments | 188.47K | 32.20% | $94.31M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Xxec | 217.51M | 0.77% | 217.47M |
| Sixth street partners management company | 11.57M | 0.77% | 11.57M |
| Norges bank | 8.79M | 0.44% | 8.79M |
| Org wealth partners | 5.25M | 2.12% | 5.22M |
| Vanguard group | 157.10M | 1.14% | 2.78M |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Fmr | 10.40M | 0.23% | -4.55M |
| Jpmorgan chase | 12.97M | 0.36% | -3.39M |
| Bill & melinda gates foundation trust | 14.69M | 21.35% | -2.36M |
| Gqg partners | - | - | -1.90M |
| Barclays | 4.41M | 0.42% | -1.78M |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Sixth street partners management company | 11.57M | 0.77% | 11.57M | $5.79B |
| Norges bank | 8.79M | 0.44% | 8.79M | $4.40B |
| Capital world investors | 2.71M | 0.16% | 2.71M | $1.36B |
| Cibc world markets | 349.15K | 0.84% | 349.15K | $175.50M |
| Lansforsakringar fondforvaltning ab (publ) | 312.85K | 0.70% | 312.85K | $156.55M |
Sold Out
| Holder | Change |
|---|---|
| Beacon capital management | -1.00 |
| Systrade | -1.00 |
| Peak6 investments | -2.00 |
| Thomas j. herzfeld advisors | -6.00 |
| Cordant | -8.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Jun 30, 2026 | 4,972 | 0.55% | 930,526,138 | 2.16% | 43 | 2.42% | 2,223 | 2.35% | 1,965 | -3.06% |
| Mar 31, 2026 | 4,799 | -3.15% | 882,897,621 | -2.97% | 40 | 2.30% | 2,122 | -8.34% | 1,953 | 1.14% |
| Dec 31, 2025 | 3,944 | -15.05% | 715,588,641 | -19.40% | 33 | 1.96% | 1,767 | -13.89% | 1,616 | -11.21% |
| Sep 30, 2025 | 4,462 | -3.69% | 881,312,202 | -0.26% | 40 | 2.44% | 1,971 | -9.50% | 1,749 | 0.87% |
| Jun 30, 2025 | 4,520 | -1.16% | 881,363,173 | 1.15% | 40 | 2.50% | 2,120 | 1.19% | 1,696 | -5.25% |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Aug 12, 2026 | O'Sullivan Michael J. | See Remarks | Buy | $22.09K |
| Aug 12, 2026 | O'Sullivan Michael J. | See Remarks | Buy | $22.98K |
| Aug 12, 2026 | O'Sullivan Michael J. | See Remarks | Buy | $205.01K |
| Aug 12, 2026 | Chang Charles C | See Remarks | Buy | - |
| Aug 12, 2026 | Chang Charles C | See Remarks | Buy | - |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q3 | 5 | - |
| 2024 Q1 | - | - |
| 2023 Q4 | 12 | 2 |
| 2023 Q3 | - | 12 |
| 2023 Q2 | 13 | - |
BRK-B Ownership FAQ
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