BRK.A fund manager activity
Berkshire Hathaway Inc · NYSE. Reported by 26 tracked fund managers in their 13F filings, Q3 2012 to Q2 2026.
Q4 2025
| Manager | Activity | Shares | Value | % of portfolio | Filed |
|---|---|---|---|---|---|
| Guy Spier - Aquamarine Capital | No change | 30 | $22,644,000 | 15.3% | Jan 15, 2026 |
| Ron Baron - Baron Capital | No change | 1 | $754,800 | 0.00% | Feb 17, 2026 |
| Steven Check - Check Capital Management | No change | 29 | $21,889,200 | 1.31% | Feb 6, 2026 |
| Francis Chou - Chou Associates | No change | 86 | $64,912,806 | 32.2% | Feb 13, 2026 |
| Christopher Davis - Davis Advisors | Trimmed | 943 | $711,776,400 | 3.20% | Feb 2, 2026 |
| Dodge & Cox Funds | No change | 4 | $3,019,200 | 0.00% | Feb 13, 2026 |
| Prem Watsa - Fairfax Financial Holdings | No change | 1 | $753,250 | 0.04% | Feb 17, 2026 |
| Bruce Berkowitz - Fairholme Capital | No change | 1 | $754,800 | 0.05% | Feb 17, 2026 |
| First Eagle Investment Management | Trimmed | 553 | $417,404,400 | 0.73% | Feb 4, 2026 |
| Ken Fisher - Fisher Asset Management | No change | 2 | $1,509,600 | 0.00% | Feb 9, 2026 |
| Thomas Russo - Gardner Russo & Quinn | Trimmed | 1,488 | $1,123,142,400 | 12.1% | Feb 12, 2026 |
| Francois Rochon - Giverny Capital | No change | 11 | $8,302,800 | 0.28% | Feb 13, 2026 |
| Joel Greenblatt - Gotham Asset Management | No change | 9 | $6,793,200 | 0.02% | Feb 17, 2026 |
| Josh Tarasoff - Greenlea Lane Capital | No change | 67 | $50,571,600 | 14.8% | Feb 17, 2026 |
| Mairs & Power Funds | No change | 5 | $3,774,000 | 0.04% | Feb 17, 2026 |
| Thomas Gayner - Markel Group | No change | 1,114 | $840,847,200 | 6.70% | Feb 6, 2026 |
| Norbert Lou - Punch Card Management | No change | 145 | $109,446,000 | 36.4% | Feb 17, 2026 |
| Ruane Cunniff LP | Trimmed | 115 | $86,802,000 | 1.36% | Feb 13, 2026 |
| Christopher Bloomstran - Semper Augustus | No change | 116 | $87,556,800 | 10.1% | Feb 17, 2026 |
| Tweedy Browne | No change | 144 | $108,691,200 | 8.78% | Feb 3, 2026 |
Q3 2025
| Manager | Activity | Shares | Value | % of portfolio | Filed |
|---|---|---|---|---|---|
| Guy Spier - Aquamarine Capital | No change | 30 | $22,626,000 | 7.13% | Oct 20, 2025 |
| Ron Baron - Baron Capital | No change | 1 | $754,200 | 0.00% | Nov 14, 2025 |
| Steven Check - Check Capital Management | No change | 29 | $21,871,800 | 1.39% | Nov 6, 2025 |
| Francis Chou - Chou Associates | No change | 86 | $64,861,222 | 31.2% | Nov 14, 2025 |
| Christopher Davis - Davis Advisors | Trimmed | 998 | $752,691,600 | 3.93% | Dec 29, 2025 |
| Dodge & Cox Funds | No change | 4 | $3,016,800 | 0.00% | Nov 13, 2025 |
| Prem Watsa - Fairfax Financial Holdings | No change | 1 | $753,100 | 0.04% | Nov 14, 2025 |
| Bruce Berkowitz - Fairholme Capital | No change | 1 | $754,200 | 0.06% | Nov 14, 2025 |
| First Eagle Investment Management | Trimmed | 569 | $429,139,800 | 0.78% | Nov 12, 2025 |
| Ken Fisher - Fisher Asset Management | No change | 2 | $1,508,400 | 0.00% | Nov 12, 2025 |
| Thomas Russo - Gardner Russo & Quinn | Trimmed | 1,541 | $1,162,222,200 | 12.5% | Nov 12, 2025 |
| Francois Rochon - Giverny Capital | No change | 11 | $8,472,035 | 0.29% | Nov 17, 2025 |
| Joel Greenblatt - Gotham Asset Management | No change | 9 | $6,787,800 | 0.03% | Nov 14, 2025 |
| Josh Tarasoff - Greenlea Lane Capital | No change | 67 | $50,531,400 | 14.7% | Nov 14, 2025 |
| Mairs & Power Funds | No change | 5 | $3,771,000 | 0.04% | Nov 14, 2025 |
| Thomas Gayner - Markel Group | No change | 1,114 | $840,178,800 | 6.82% | Oct 31, 2025 |
| Norbert Lou - Punch Card Management | No change | 145 | $109,359,000 | 33.9% | Nov 14, 2025 |
| Ruane Cunniff LP | No change | 117 | $88,241,400 | 1.46% | Nov 14, 2025 |
| Christopher Bloomstran - Semper Augustus | No change | 116 | $87,487,200 | 10.9% | Nov 14, 2025 |
| Tweedy Browne | Trimmed | 144 | $108,604,800 | 9.43% | Nov 20, 2025 |
| Yacktman Asset Management | Sold out | — | — | 0.00% | Nov 4, 2025 |