BRK.A fund manager activity
Berkshire Hathaway Inc · NYSE. Reported by 26 tracked fund managers in their 13F filings, Q3 2012 to Q2 2026.
Q2 2026
| Manager | Activity | Shares | Value | % of portfolio | Filed |
|---|---|---|---|---|---|
| Guy Spier - Aquamarine Capital | No change | 30 | $22,466,000 | 15.6% | Jul 10, 2026 |
| Ron Baron - Baron Capital | No change | 1 | $748,850 | 0.00% | Aug 14, 2026 |
| Steven Check - Check Capital Management | No change | 28 | $20,967,800 | 1.19% | Aug 5, 2026 |
| Francis Chou - Chou Associates | No change | 86 | $64,401,080 | 29.7% | Aug 12, 2026 |
| Christopher Davis - Davis Advisors | Trimmed | 868 | $650,010,400 | 2.79% | Aug 11, 2026 |
| Dodge & Cox Funds | No change | 4 | $2,995,400 | 0.00% | Aug 13, 2026 |
| Prem Watsa - Fairfax Financial Holdings | No change | 1 | $748,836 | 0.03% | Aug 14, 2026 |
| Bruce Berkowitz - Fairholme Capital | Added | 11 | $8,237,350 | 0.55% | Aug 14, 2026 |
| First Eagle Investment Management | No change | 565 | $423,100,250 | 0.70% | Aug 24, 2026 |
| Ken Fisher - Fisher Asset Management | No change | 2 | $1,497,700 | 0.00% | Aug 4, 2026 |
| Thomas Russo - Gardner Russo & Quinn | Trimmed | 1,432 | $1,072,353,200 | 12.0% | Aug 13, 2026 |
| Francois Rochon - Giverny Capital | Trimmed | 9 | $6,739,650 | 0.23% | Aug 26, 2026 |
| Joel Greenblatt - Gotham Asset Management | Added | 11 | $8,237,350 | 0.02% | Aug 14, 2026 |
| Josh Tarasoff - Greenlea Lane Capital | No change | 63 | $47,177,550 | 13.0% | Aug 14, 2026 |
| Mairs & Power Funds | No change | 5 | $3,744,250 | 0.03% | Aug 14, 2026 |
| Thomas Gayner - Markel Group | No change | 1,114 | $834,218,900 | 6.35% | Jul 31, 2026 |
| Norbert Lou - Punch Card Management | No change | 145 | $108,583,250 | 42.4% | Aug 14, 2026 |
| Ruane Cunniff LP | Trimmed | 103 | $77,131,550 | 1.20% | Aug 14, 2026 |
| Christopher Bloomstran - Semper Augustus | Added | 120 | $89,862,000 | 10.2% | Aug 14, 2026 |
| Tweedy Browne | No change | 144 | $107,834,400 | 8.17% | Aug 7, 2026 |
Q1 2026
| Manager | Activity | Shares | Value | % of portfolio | Filed |
|---|---|---|---|---|---|
| Guy Spier - Aquamarine Capital | No change | 30 | $21,544,000 | 15.9% | Apr 17, 2026 |
| Ron Baron - Baron Capital | No change | 1 | $718,140 | 0.00% | May 15, 2026 |
| Steven Check - Check Capital Management | No change | 29 | $20,826,060 | 1.28% | May 4, 2026 |
| Francis Chou - Chou Associates | No change | 86 | $61,760,065 | 29.7% | May 14, 2026 |
| Christopher Davis - Davis Advisors | Trimmed | 923 | $662,843,220 | 3.04% | May 7, 2026 |
| Dodge & Cox Funds | No change | 4 | $2,872,560 | 0.00% | May 14, 2026 |
| Prem Watsa - Fairfax Financial Holdings | No change | 1 | $718,176 | 0.04% | May 15, 2026 |
| Bruce Berkowitz - Fairholme Capital | No change | 2 | $1,436,280 | 0.09% | May 15, 2026 |
| First Eagle Investment Management | Added | 565 | $405,749,100 | 0.69% | May 14, 2026 |
| Ken Fisher - Fisher Asset Management | No change | 3 | $2,154,420 | 0.00% | May 5, 2026 |
| Thomas Russo - Gardner Russo & Quinn | Trimmed | 1,460 | $1,048,484,400 | 12.3% | May 13, 2026 |
| Francois Rochon - Giverny Capital | No change | 11 | $7,899,540 | 0.29% | May 15, 2026 |
| Joel Greenblatt - Gotham Asset Management | No change | 9 | $6,463,260 | 0.02% | May 15, 2026 |
| Josh Tarasoff - Greenlea Lane Capital | Trimmed | 63 | $45,242,820 | 13.1% | May 11, 2026 |
| Mairs & Power Funds | No change | 5 | $3,590,700 | 0.04% | May 14, 2026 |
| Thomas Gayner - Markel Group | No change | 1,114 | $800,007,960 | 6.70% | May 1, 2026 |
| Norbert Lou - Punch Card Management | No change | 145 | $104,130,300 | 38.5% | May 15, 2026 |
| Ruane Cunniff LP | Trimmed | 110 | $78,995,400 | 1.31% | May 15, 2026 |
| Christopher Bloomstran - Semper Augustus | No change | 116 | $83,304,240 | 9.95% | May 15, 2026 |
| Tweedy Browne | No change | 144 | $103,412,160 | 8.22% | May 6, 2026 |