| Berkshire Hathaway INC. |
Common |
151,610,700 |
$51,282,319,275 |
2026-06-30 |
| First Eagle Investment Management, LLC |
Common |
1,680,147 |
$568,309,886 |
2026-06-30 |
| Markel Group INC. |
Common |
490,450 |
$165,894,715 |
2026-06-30 |
| Dodge & Cox / Dodge & Cox Funds |
Common |
271,279 |
$91,760,122 |
2026-06-30 |
| Davis Selected Advisers, L.P. |
Common |
209,821 |
$70,971,938 |
2026-06-30 |
| Harris Associates L.P. |
Common |
203,453 |
$68,817,897 |
2026-06-30 |
| Mairs & Power INC / Mairs & Power Funds Trust |
Common |
145,612 |
$49,253,116 |
2026-06-30 |
| Tweedy, Browne Co LLC |
Common |
62,719 |
$21,214,702 |
2026-06-30 |
| Giverny Capital INC. |
Common |
46,702 |
$15,753,986 |
2026-06-30 |
| Lindsell Train LTD |
Common |
7,600 |
$2,570,700 |
2026-06-30 |
| Gardner Russo & Quinn LLC |
Common |
5,125 |
$1,733,531 |
2026-06-30 |
| Semper Augustus Investments Group LLC |
Common |
3,311 |
$1,119,946 |
2026-06-30 |
| MATRIX ASSET ADVISORS INC/NY |
Common |
2,836 |
$862,429 |
2026-09-30 |
| Ruane, Cunniff & Goldfarb L.P. |
Common |
932 |
$315,249 |
2026-06-30 |