BRK-B - BERKSHIRE HATHAWAY INC DEL
This page shows which of the focused investors we track hold BRK-B and how their positions changed, so you can see how much conviction the group has in the stock.
In Q4 2025 it was held by 26 managers with an aggregate reported value of $19B, which is 1.48% of the combined portfolio.
As of Q4 2025, 26 tracked institutional managers held BRK-B (BERKSHIRE HATHAWAY INC DEL) with an aggregate reported value of $19B — 1.48% of the combined AlphaBaseline portfolio.
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- Source
- Curated SEC 13F filings
- Period
- Q4 2025
- Ticker
- BRK-B
13F data is delayed and excludes shorts/non-13F assets.
Long holders
| 1 | Bill & Melinda Gates Foundation Trust - Bill & Melinda Gates Foundation Trust | 27.59% | Reduce -10.8% | 19,406,764 | $9.75B |
| 2 | Duan Yongping - H&H International Investment | 20.63% | Add +38.2% | 7,176,196 | $3.61B |
| 3 | Thomas Gayner - Markel Asset Management | 6.14% | - | 1,531,971 | $770.05M |
| 4 | Thomas Russo - Gardner Russo & Quinn | 6.11% | Reduce -3.1% | 1,125,395 | $565.68M |
| 5 | Steven Check - Check Capital Management | 33.13% | Add +2.5% | 1,102,508 | $554.18M |
| 6 | Li Lu - Himalaya Capital Management | 12.64% | - | 897,749 | $451.25M |
| 7 | Christopher Davis - Davis Advisors | 1.67% | Add +38.6% | 739,875 | $371.91M |
| 8 | Francois Rochon - Giverny Capital | 8.48% | Reduce -0.9% | 505,984 | $254.33M |
| 9 | Ruane Cunniff LP - Ruane Cunniff LP | 2.48% | Reduce -2.0% | 316,106 | $158.89M |
| 10 | Yacktman Asset Management - Yacktman Asset Management | 2.20% | Reduce -2.3% | 313,033 | $157.35M |
| 11 | Wallace Weitz - Weitz Investment Management | 8.55% | - | 286,850 | $144.19M |
| 12 | Christopher Bloomstran - Semper Augustus | 14.41% | Reduce -0.4% | 249,211 | $125.27M |
| 13 | Harry Burn - Sound Shore | 3.36% | Add +17.3% | 210,204 | $105.66M |
| 14 | Guy Spier - Aquamarine Capital | 33.25% | Reduce -30.6% | 97,600 | $49.06M |
| 15 | Tweedy Browne Co. - Tweedy Browne Value Fund | 3.94% | Reduce -2.0% | 97,081 | $48.8M |
| 16 | First Eagle - First Eagle Investment Management | 0.05% | Add +238.8% | 51,877 | $26.08M |
| 17 | Bruce Berkowitz - Fairholme Capital | 1.68% | Reduce -0.9% | 48,012 | $24.13M |
| 18 | Muhlenkamp - Muhlenkamp | 5.19% | Add +0.1% | 38,411 | $19.31M |
| 19 | Bill Nygren - Oakmark Funds | 0.02% | Reduce -3.9% | 25,999 | $13.07M |
| 20 | Mairs & Power Growth Fund - Mairs & Power Growth Fund | 0.12% | Reduce -2.1% | 24,857 | $12.49M |
| 21 | Chuck Akre - Akre Capital Management | 0.07% | Reduce -14.9% | 11,902 | $5.98M |
| 22 | David Katz - Matrix Asset Advisors | 0.52% | Reduce -0.1% | 11,595 | $5.83M |
| 23 | Dodge & Cox - Dodge & Cox | 0.00% | - | 11,440 | $5.75M |
| 24 | Robert Olstein - Olstein Capital Management | 1.13% | - | 11,000 | $5.53M |
| 25 | Torray Funds - Torray Funds | 0.21% | Reduce -88.3% | 2,884 | $1.45M |
Call holders — bullish via leverage
1 manager holds call options on BRK-B — a right to buy at strike. Notional value, not premium.
| 1 | Steven Check - Check Capital Management | Add +21.3% | 3,510,000 | $1.76B |
Loading holder history for BRK-B…