BRK.B fund manager activity
Berkshire Hathaway Inc. New · NYSE. Reported by 43 tracked fund managers in their 13F filings, Q3 2012 to Q3 2026.
Q3 2025
| Manager | Activity | Shares | Value | % of portfolio | Filed |
|---|---|---|---|---|---|
| Chuck Akre - Akre Capital Management | No change | 13,985 | $7,030,819 | 0.07% | Nov 13, 2025 |
| Guy Spier - Aquamarine Capital | No change | 140,600 | $70,685,000 | 22.3% | Oct 20, 2025 |
| Bill & Melinda Gates Foundation Trust | Trimmed | 21,765,224 | $10,942,248,714 | 29.9% | Nov 14, 2025 |
| Arnold Van Den Berg - Century Management | Trimmed | 27,844 | $13,998,290 | 3.51% | Nov 14, 2025 |
| Steven Check - Check Capital Management | Added | 1,075,160 | $540,525,824 | 34.2% | Nov 6, 2025 |
| Christopher Davis - Davis Advisors | Trimmed | 533,948 | $268,437,018 | 1.40% | Dec 29, 2025 |
| Dodge & Cox Funds | Trimmed | 11,440 | $5,751,346 | 0.00% | Nov 13, 2025 |
| Bruce Berkowitz - Fairholme Capital | Trimmed | 48,437 | $24,351,217 | 1.97% | Nov 14, 2025 |
| First Eagle Investment Management | Trimmed | 15,310 | $7,697,035 | 0.01% | Nov 12, 2025 |
| Ken Fisher - Fisher Asset Management | Trimmed | 35,468 | $17,831,190 | 0.01% | Nov 12, 2025 |
| Jeremy Grantham - GMO | Added | 8,070 | $4,057,112 | 0.01% | Nov 13, 2025 |
| Thomas Russo - Gardner Russo & Quinn | Added | 1,161,394 | $583,879,220 | 6.26% | Nov 12, 2025 |
| Francois Rochon - Giverny Capital | Trimmed | 510,644 | $256,721,165 | 8.70% | Nov 17, 2025 |
| Joel Greenblatt - Gotham Asset Management | Added | 103,244 | $51,904,889 | 0.23% | Nov 14, 2025 |
| Duan Yongping - H&H International Investment | Added | 5,191,300 | $2,609,874,162 | 17.8% | Nov 14, 2025 |
| Li Lu - Himalaya Capital Management | No change | 897,749 | $451,334,332 | 14.0% | Nov 12, 2025 |
| Mairs & Power Funds | Trimmed | 25,379 | $12,759,038 | 0.12% | Nov 14, 2025 |
| Thomas Gayner - Markel Group | No change | 1,531,971 | $770,183,100 | 6.25% | Oct 31, 2025 |
| David Katz - Matrix Asset Advisors | Added | 11,601 | $5,832,287 | 0.54% | Oct 14, 2025 |
| Muhlenkamp | Added | 38,380 | $19,295,362 | 5.24% | Nov 7, 2025 |
| Bill Nygren - Oakmark Funds | Trimmed | 27,046 | $13,597,106 | 0.02% | Nov 14, 2025 |
| Robert Olstein - Olstein Capital Management | Added | 11,000 | $5,530 | 1.04% | Oct 21, 2025 |
| Ruane Cunniff LP | Trimmed | 322,552 | $162,159,792 | 2.69% | Nov 14, 2025 |
| Christopher Bloomstran - Semper Augustus | Added | 250,239 | $125,805,155 | 15.7% | Nov 14, 2025 |
| Harry Burn - Sound Shore | Added | 179,234 | $90,108,101 | 2.98% | Nov 6, 2025 |
| Torray Funds | Trimmed | 24,624 | $12,379,470 | 1.68% | Oct 22, 2025 |
| Tweedy Browne | Trimmed | 99,113 | $49,828,070 | 4.33% | Nov 20, 2025 |
| Wallace Weitz - Weitz Investment Management | No change | 286,850 | $144,210,969 | 7.83% | Nov 10, 2025 |
| Yacktman Asset Management | Trimmed | 320,356 | $161,055,775 | 2.22% | Nov 4, 2025 |
Q2 2025
| Manager | Activity | Shares | Value | % of portfolio | Filed |
|---|---|---|---|---|---|
| Chuck Akre - Akre Capital Management | Trimmed | 13,985 | $6,793,493 | 0.07% | Aug 14, 2025 |
| Guy Spier - Aquamarine Capital | No change | 140,600 | $68,299,000 | 22.0% | Jul 18, 2025 |
| Bill & Melinda Gates Foundation Trust | Added | 24,123,684 | $11,718,561,977 | 24.5% | Aug 14, 2025 |
| Arnold Van Den Berg - Century Management | Trimmed | 27,981 | $13,592,328 | 3.86% | Aug 14, 2025 |
| Steven Check - Check Capital Management | Added | 1,072,065 | $520,776,904 | 34.3% | Jul 25, 2025 |
| Christopher Davis - Davis Advisors | Trimmed | 553,845 | $269,041,285 | 1.44% | Aug 8, 2025 |
| Dodge & Cox Funds | No change | 12,740 | $6,188,710 | 0.00% | Aug 13, 2025 |
| Bruce Berkowitz - Fairholme Capital | Trimmed | 48,597 | $23,606,965 | 1.92% | Aug 14, 2025 |
| First Eagle Investment Management | Added | 18,876 | $9,169,540 | 0.02% | Aug 6, 2025 |
| Ken Fisher - Fisher Asset Management | Added | 36,010 | $17,492,766 | 0.01% | Aug 13, 2025 |
| Jeremy Grantham - GMO | Added | 7,568 | $3,676,307 | 0.01% | Aug 13, 2025 |
| Thomas Russo - Gardner Russo & Quinn | Trimmed | 1,154,566 | $560,853,526 | 5.96% | Aug 13, 2025 |
| Francois Rochon - Giverny Capital | Added | 511,784 | $248,609,314 | 8.53% | Aug 13, 2025 |
| Joel Greenblatt - Gotham Asset Management | Added | 97,984 | $47,597,688 | 0.28% | Aug 14, 2025 |
| Greenhaven Associates | Sold out | — | — | 0.00% | Jul 8, 2025 |
| Duan Yongping - H&H International Investment | No change | 3,381,300 | $1,642,534,101 | 14.2% | Aug 14, 2025 |
| Li Lu - Himalaya Capital Management | No change | 897,749 | $436,099,532 | 16.2% | Aug 14, 2025 |
| Mairs & Power Funds | Added | 26,092 | $12,674,711 | 0.13% | Aug 14, 2025 |
| Thomas Gayner - Markel Group | No change | 1,531,971 | $744,185,552 | 6.29% | Aug 1, 2025 |
| David Katz - Matrix Asset Advisors | No change | 11,591 | $5,630,560 | 0.57% | Aug 13, 2025 |
| Muhlenkamp | Added | 38,351 | $18,629,959 | 5.81% | Jul 24, 2025 |
| Bill Nygren - Oakmark Funds | Trimmed | 27,699 | $13,455,343 | 0.02% | Aug 14, 2025 |
| Robert Olstein - Olstein Capital Management | Trimmed | 7,600 | $3,692 | 0.69% | Jul 22, 2025 |
| Ruane Cunniff LP | Trimmed | 326,841 | $158,769,553 | 2.72% | Aug 14, 2025 |
| Christopher Bloomstran - Semper Augustus | Added | 246,664 | $119,821,971 | 16.9% | Aug 15, 2025 |
| Harry Burn - Sound Shore | Trimmed | 117,348 | $57,004,138 | 1.94% | Aug 6, 2025 |
| Torray Funds | Trimmed | 37,274 | $18,106,591 | 2.63% | Aug 5, 2025 |
| Tweedy Browne | Added | 101,499 | $49,305,169 | 4.57% | Jul 29, 2025 |
| Wallace Weitz - Weitz Investment Management | No change | 286,850 | $139,343,125 | 7.49% | Aug 12, 2025 |
| Yacktman Asset Management | Trimmed | 326,867 | $158,782,183 | 2.13% | Aug 6, 2025 |