| Type | Filed | Filer | Subject | Shares Owned | Percent Owned | |
|---|---|---|---|---|---|---|
| SC 13G | 2019-02-14 | BERKSHIRE HATHAWAY INC | GOLDMAN SACHS GROUP INC | 18,784,698 | 5.1% | EDGAR |
| SC 13G | 2019-02-14 | BERKSHIRE HATHAWAY INC | APPLE INC | 255,300,329 | 5.4% | EDGAR |
| SC 13G | 2019-02-13 | STATE STREET CORP | BERKSHIRE HATHAWAY INC | - | 5.8% | EDGAR |
| SC 13G/A | 2019-02-11 | VANGUARD GROUP INC | BERKSHIRE HATHAWAY INC | 136,576,639 | 10.0% | EDGAR |
| SC 13G/A | 2019-02-08 | VANGUARD GROUP INC | BERKSHIRE HATHAWAY INC | 135,986,951 | 10.0% | EDGAR |
| SC 13G/A | 2019-02-04 | BlackRock Inc. | BERKSHIRE HATHAWAY INC | 107,111,080 | 7.9% | EDGAR |
| SC 13D/A | 2018-11-13 | BERKSHIRE HATHAWAY INC | DAVITA INC. | 38,565,570 | 23.2% | EDGAR |
| SC 13G | 2018-11-09 | BERKSHIRE HATHAWAY INC | StoneCo Ltd. | 14,166,748 | 11.3% | EDGAR |
| SC 13D/A | 2018-10-01 | GATES WILLIAM H III | BERKSHIRE HATHAWAY INC | 68,603,974 | 5.0% | EDGAR |
| SC 13G/A | 2018-09-10 | BERKSHIRE HATHAWAY INC | Phillips 66 | 22,186,384 | 4.8% | EDGAR |
| SC 13G/A | 2018-08-10 | BERKSHIRE HATHAWAY INC | Axalta Coating Systems Ltd. | 24,264,000 | 10.1% | EDGAR |
| SC 13D | 2018-07-23 | GATES WILLIAM H III | BERKSHIRE HATHAWAY INC | 72,493,774 | 5.4% | EDGAR |
| SC 13D/A | 2018-07-18 | BUFFETT WARREN E | BERKSHIRE HATHAWAY INC | 270,644 | 36.2% | EDGAR |
| SC 13D/A | 2018-06-11 | BERKSHIRE HATHAWAY INC | USG CORP | 43,387,980 | 31.1% | EDGAR |
| SC 13D/A | 2018-05-11 | BERKSHIRE HATHAWAY INC | DAVITA INC. | 38,565,570 | 22.1% | EDGAR |
| SC 13G | 2018-04-20 | BERKSHIRE HATHAWAY INC | TORCHMARK CORP | 6,353,727 | 5.6% | EDGAR |
| SC 13D/A | 2018-04-12 | BERKSHIRE HATHAWAY INC | USG CORP | 43,387,980 | 31.0% | EDGAR |
| SC 13D/A | 2018-04-06 | CASCADE INVESTMENT, L.L.C. | BERKSHIRE HATHAWAY INC | 6,075,000 | 0.4% | EDGAR |
| SC 13D/A | 2018-03-26 | BERKSHIRE HATHAWAY INC | USG CORP | 43,387,980 | 30.8% | EDGAR |
| SC 13G/A | 2018-02-21 | BERKSHIRE HATHAWAY INC | Phillips 66 | 45,689,892 | 9.8% | EDGAR |