| 2.11% | % of Shares Held by All Insider |
| 89.65% | % of Shares Held by Institutions |
| 91.59% | % of Float Held by Institutions |
| 649 | Number of Institutions Holding Shares |
| Holder | Shares | Date Reported | % Out | Value |
|---|---|---|---|---|
| Berkshire Hathaway, Inc | 38,565,570 | Mar 30, 2019 | 23.18% | 2,093,724,795 |
| Vanguard Group, Inc. (The) | 13,588,525 | Mar 30, 2019 | 8.17% | 737,721,022 |
| Blackrock Inc. | 12,414,579 | Mar 30, 2019 | 7.46% | 673,987,493 |
| State Street Corporation | 6,340,407 | Mar 30, 2019 | 3.81% | 344,220,696 |
| Norges Bank Investment Management | 5,337,638 | Dec 30, 2018 | 3.21% | 274,674,851 |
| JP Morgan Chase & Company | 4,501,487 | Mar 30, 2019 | 2.71% | 244,385,729 |
| Gates Capital Management, Inc. | 2,981,285 | Mar 30, 2019 | 1.79% | 161,853,962 |
| PAR Capital Management, Inc. | 2,957,700 | Mar 30, 2019 | 1.78% | 160,573,533 |
| Viking Global Investors, L.P. | 2,755,505 | Mar 30, 2019 | 1.66% | 149,596,366 |
| Dimensional Fund Advisors LP | 2,645,777 | Mar 30, 2019 | 1.59% | 143,639,233 |
| Holder | Shares | Date Reported | % Out | Value |
|---|---|---|---|---|
| Vanguard Total Stock Market Index Fund | 3,218,864 | Sep 29, 2018 | 1.93% | 230,567,228 |
| Vanguard Mid-Cap Index Fund | 2,936,696 | Sep 29, 2018 | 1.76% | 210,355,534 |
| Oppenheimer Main Street Fund | 2,931,320 | Aug 30, 2018 | 1.76% | 203,111,162 |
| Vanguard 500 Index Fund | 2,361,588 | Sep 29, 2018 | 1.42% | 169,160,548 |
| SPDR S&P 500 ETF Trust | 1,412,519 | Mar 30, 2019 | 0.85% | 76,685,656 |
| Vanguard Institutional Index Fund-Institutional Index Fund | 1,210,938 | Sep 29, 2018 | 0.73% | 86,739,488 |
| DFA U.S. Large Cap Value Series | 1,134,770 | Oct 30, 2018 | 0.68% | 76,415,411 |
| Fidelity 500 Index Fund | 989,393 | Mar 30, 2019 | 0.59% | 53,714,145 |
| iShares Core S&P 500 ETF | 906,351 | Mar 30, 2019 | 0.54% | 49,205,795 |
| JP Morgan U.S. Large Cap Core Plus Fund | 891,455 | Mar 30, 2019 | 0.54% | 48,397,091 |