| Type | Filed | Filer | Subject | Shares Owned | Percent Owned | |
|---|---|---|---|---|---|---|
| SC 13G | 2016-02-12 | STATE STREET CORP | BERKSHIRE HATHAWAY INC | - | 6.2% | EDGAR |
| SC 13G/A | 2016-02-10 | VANGUARD GROUP INC | BERKSHIRE HATHAWAY INC | 98,764,735 | 7.9% | EDGAR |
| SC 13G/A | 2016-01-25 | BlackRock Inc. | BERKSHIRE HATHAWAY INC | 90,744,049 | 7.3% | EDGAR |
| SC 13D/A | 2015-07-06 | BUFFETT WARREN E | BERKSHIRE HATHAWAY INC | 308,400 | 38.0% | EDGAR |
| SC 13D/A | 2015-04-03 | CASCADE INVESTMENT LLC | BERKSHIRE HATHAWAY INC | 6,075,000 | 0.5% | EDGAR |
| SC 13G/A | 2015-02-17 | BERKSHIRE HATHAWAY INC | CHICAGO BRIDGE & IRON CO N V | 10,701,110 | 9.9% | EDGAR |
| SC 13G/A | 2015-02-17 | BERKSHIRE HATHAWAY INC | Liberty Media Corp | 4,000,000 | 3.8% | EDGAR |
| SC 13G/A | 2015-02-17 | BERKSHIRE HATHAWAY INC | DIRECTV | 31,353,468 | 6.2% | EDGAR |
| SC 13G/A | 2015-02-17 | BERKSHIRE HATHAWAY INC | INTERNATIONAL BUSINESS MACHINES CORP | 76,980,817 | 7.8% | EDGAR |
| SC 13G/A | 2015-02-17 | BERKSHIRE HATHAWAY INC | DAVITA HEALTHCARE PARTNERS INC. | 38,565,570 | 17.9% | EDGAR |
| SC 13G/A | 2015-02-17 | BERKSHIRE HATHAWAY INC | US BANCORP \DE\ | 98,365,170 | 5.5% | EDGAR |
| SC 13G | 2015-02-17 | BERKSHIRE HATHAWAY INC | CHARTER COMMUNICATIONS, INC. /MO/ | 6,198,237 | 5.7% | EDGAR |
| SC 13G | 2015-02-11 | STATE STREET CORP | BERKSHIRE HATHAWAY INC | - | 6.8% | EDGAR |
| SC 13G/A | 2015-02-10 | VANGUARD GROUP INC | BERKSHIRE HATHAWAY INC | 87,382,650 | 7.2% | EDGAR |
| SC 13G/A | 2015-01-26 | BlackRock Inc. | BERKSHIRE HATHAWAY INC | 87,417,036 | 7.2% | EDGAR |
| SC 13D/A | 2014-12-29 | BERKSHIRE HATHAWAY INC | MEDIA GENERAL INC | 4,646,220 | 3.6% | EDGAR |
| SC 13G | 2014-08-14 | BERKSHIRE HATHAWAY INC | DOW CHEMICAL CO /DE/ | 72,603,000 | 6.0% | EDGAR |
| SC 13G/A | 2014-08-04 | BERKSHIRE HATHAWAY INC | VERISIGN INC/CA | 12,985,000 | 10.4% | EDGAR |
| SC 13D/A | 2014-07-15 | BUFFETT WARREN E | BERKSHIRE HATHAWAY INC | 321,000 | 38.4% | EDGAR |
| SC 13D/A | 2014-07-01 | BERKSHIRE HATHAWAY INC | Graham Holdings Co | 107,575 | 1.7% | EDGAR |