| Top Institutional Holders |
|---|
| Holder | Shares | % Out | Value* | Reported |
|---|
| Berkshire Hathaway, Inc | 439,857,861 | 8.30 | 15,034,341,688 | Dec 31, 2012 | | Vanguard Group, Inc. (The) | 230,401,864 | 4.35 | 8,522,564,949 | Mar 31, 2013 | | State Street Corporation | 203,987,884 | 3.85 | 7,545,511,829 | Mar 31, 2013 | | FMR LLC | 192,237,919 | 3.63 | 6,570,692,071 | Dec 31, 2012 | | Capital World Investors | 157,882,074 | 2.98 | 5,396,409,289 | Dec 31, 2012 | | BlackRock Institutional Trust Company, N.A. | 132,413,622 | 2.50 | 4,897,979,877 | Mar 31, 2013 | | Wellington Management Company, LLP | 113,152,549 | 2.14 | 3,867,554,124 | Dec 31, 2012 | | JP Morgan Chase & Company | 91,481,706 | 1.73 | 3,383,908,304 | Mar 31, 2013 | | Northern Trust Corporation | 75,197,391 | 1.42 | 2,781,551,493 | Mar 31, 2013 | | Dodge & Cox Inc | 75,101,966 | 1.42 | 2,778,021,722 | Mar 31, 2013 |
|
| Holder | Shares | % Out | Value* | Reported |
|---|
| Vanguard Total Stock Market Index Fund | 67,127,253 | 1.27 | 2,294,409,507 | Dec 31, 2012 | | Fidelity Contrafund Inc | 63,003,093 | 1.19 | 2,330,484,410 | Mar 31, 2013 | | SPDR S&P 500 ETF Trust | 45,789,052 | 0.86 | 1,693,737,033 | Mar 31, 2013 | | Vanguard 500 Index Fund | 45,463,670 | 0.86 | 1,553,948,240 | Dec 31, 2012 | | Vanguard Institutional Index Fund-Institutional Index Fund | 44,856,712 | 0.85 | 1,533,202,416 | Dec 31, 2012 | | Dodge & Cox Stock Fund | 43,934,841 | 0.83 | 1,625,149,768 | Mar 31, 2013 | | Washington Mutual Investors Fund | 42,108,100 | 0.80 | 1,557,578,619 | Mar 31, 2013 | | Vanguard/Wellington Fund Inc. | 37,977,417 | 0.72 | 1,332,247,788 | Feb 28, 2013 | | American Balanced Fund | 34,715,000 | 0.66 | 1,284,107,850 | Mar 31, 2013 | | Franklin Custodian Funds-Income Fund | 30,798,853 | 0.58 | 1,139,249,572 | Mar 31, 2013 |
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View Transactions for Insiders & Institutional Holders Value shown is computed using the security's price on the report date given. Currency in USD. |