| BERKSHIRE HATHAWAY INC | 124,807,117 | $2,495,518 |
| VANGUARD GROUP INC | 18,320,515 | $366,319 |
| BlackRock, Inc. | 10,050,903 | $200,968 |
| Kontiki Capital Management (HK) Ltd. | 5,968,024 | $119,331 |
| GEODE CAPITAL MANAGEMENT, LLC | 3,689,187 | $73,817 |
| STATE STREET CORP | 3,487,415 | $69,731 |
| D. E. Shaw & Co., Inc. | 3,306,242 | $66,108 |
| GOLDMAN SACHS GROUP INC | 3,275,597 | $65,496 |
| LSV ASSET MANAGEMENT | 3,073,200 | $61 |
| CHECK CAPITAL MANAGEMENT INC/CA | 2,883,500 | $57,656 |
| NORGES BANK | 2,856,916 | $57,124 |
| TWO SIGMA INVESTMENTS, LP | 2,518,787 | $50,363 |
| AMERIPRISE FINANCIAL INC | 2,375,730 | $47,503 |
| THOMPSON SIEGEL & WALMSLEY LLC | 2,313,347 | $46 |
| HSBC HOLDINGS PLC | 2,076,539 | $41,726 |
| Bank of New York Mellon Corp | 2,019,901 | $40,388 |
| SEIZERT CAPITAL PARTNERS, LLC | 1,900,152 | $37,994 |
| CANADA PENSION PLAN INVESTMENT BOARD | 1,875,280 | $37,496 |
| DIMENSIONAL FUND ADVISORS LP | 1,740,360 | $34,798 |
| Pacer Advisors, Inc. | 1,727,827 | $34,548 |
| MORGAN STANLEY | 1,711,687 | $34,225 |
| HBK INVESTMENTS L P | 1,685,004 | $33,692 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1,627,230 | $32,536 |
| UBS Group AG | 1,524,795 | $30,488 |
| AQR CAPITAL MANAGEMENT LLC | 1,449,947 | $28,992 |
| WEITZ INVESTMENT MANAGEMENT, INC. | 1,384,000 | $27,673 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1,379,627 | $27,586 |
| PRIVATE MANAGEMENT GROUP INC | 1,346,183 | $26,917 |
| Toroso Investments, LLC | 1,233,457 | $24,663 |
| WITTENBERG INVESTMENT MANAGEMENT, INC. | 1,092,331 | $21,841 |
| NORTHERN TRUST CORP | 1,049,692 | $20,989 |
| TWO SIGMA ADVISERS, LP | 973,804 | $19,471 |
| Point72 Asset Management, L.P. | 946,100 | $18,917 |
| RAYMOND JAMES FINANCIAL INC | 903,249 | $18,060 |
| Gotham Asset Management, LLC | 843,365 | $16,863 |
| CITADEL ADVISORS LLC | 790,308 | $15,802 |
| J. Goldman & Co LP | 710,364 | $14,204 |
| S&CO INC | 701,442 | $14 |
| Empyrean Capital Partners, LP | 692,775 | $13,852 |
| JPMORGAN CHASE & CO | 678,027 | $13,557 |
| BANK OF AMERICA CORP /DE/ | 672,906 | $13,455 |
| Alberta Investment Management Corp | 620,000 | $12,397 |
| UBS ASSET MANAGEMENT AMERICAS INC | 605,800 | $12,113 |
| BISLETT MANAGEMENT, LLC | 600,000 | $11,997 |
| BALYASNY ASSET MANAGEMENT L.P. | 580,841 | $11,614 |
| BARCLAYS PLC | 575,697 | $11,511 |
| READYSTATE ASSET MANAGEMENT LP | 565,623 | $11,310 |
| Hi-Line Capital Management, LLC | 552,047 | $11,038 |
| GABELLI FUNDS LLC | 534,882 | $10,695 |
| CAPITAL MANAGEMENT CORP /VA | 513,699 | $10,271 |
| Allianz Asset Management GmbH | 480,428 | $9,606 |
| Advisors Asset Management, Inc. | 452,955 | $9,057 |
| GAMCO INVESTORS, INC. ET AL | 424,239 | $8,483 |
| Chou Associates Management Inc. | 409,589 | $8,190 |
| swisspartners Advisors Ltd | 389,976 | $7,789 |
| Cadence Bank | 384,859 | $7,695 |
| Penserra Capital Management LLC | 382,923 | $8 |
| FIRST TRUST ADVISORS LP | 373,910 | $7,476 |
| Swiss National Bank | 365,085 | $7,300 |
| Invesco Ltd. | 348,053 | $6,959 |
| Ninety One UK Ltd | 342,090 | $6,840 |
| TOWERVIEW LLC | 335,300 | $6,704 |
| FMR LLC | 328,362 | $6,566 |
| Aequim Alternative Investments LP | 293,124 | $5,861 |
| BNP Paribas Investment Partners S.A. | 280,921 | $6 |
| Nuveen, LLC | 279,310 | $5,585 |
| SEI INVESTMENTS CO | 278,492 | $5,568 |
| JANE STREET GROUP, LLC | 274,394 | $5,487 |
| OSAIC HOLDINGS, INC. | 264,113 | $5,282 |
| Legal & General Group Plc | 260,494 | $5,209 |
| MAVERICK CAPITAL LTD | 248,591 | $4,971 |
| DARK FOREST CAPITAL MANAGEMENT LP | 244,216 | $4,883 |
| MILLENNIUM MANAGEMENT LLC | 243,835 | $4,875 |
| Weiss Asset Management LP | 236,149 | $4,722 |
| FIRST MANHATTAN CO. LLC. | 229,320 | $4,585 |
| Verition Fund Management LLC | 215,676 | $4,312 |
| RHUMBLINE ADVISERS | 206,942 | $4,138 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | 206,402 | $4,127 |
| State of Alaska, Department of Revenue | 204,242 | $4 |
| STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM | 204,021 | $4,079 |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | 192,478 | $3,849 |
| Mitsubishi UFJ Trust & Banking Corp | 191,161 | $3,822 |
| LMR Partners LLP | 186,049 | $3,720 |
| WHITEBOX ADVISORS LLC | 170,943 | $3,418 |
| CITIGROUP INC | 169,747 | $3,394 |
| SG Americas Securities, LLC | 154,078 | $3 |
| SummitTX Capital, L.P. | 153,960 | $3,078 |
| BANK OF NOVA SCOTIA | 150,000 | $2,999 |
| PRICE T ROWE ASSOCIATES INC /MD/ | 149,310 | $3 |
| BNP PARIBAS ARBITRAGE, SA | 144,986 | $2,899 |
| ArrowMark Colorado Holdings LLC | 144,827 | $2,896 |
| STIFEL FINANCIAL CORP | 141,093 | $2,821 |
| CastleKnight Management LP | 139,000 | $2,779 |
| TUDOR INVESTMENT CORP ET AL | 137,995 | $2,759 |
| PENN DAVIS MCFARLAND INC | 136,262 | $2,725 |
| ROYAL BANK OF CANADA | 135,826 | $2,716 |
| CAPTRUST FINANCIAL ADVISORS | 130,405 | $2,607 |
| Inspire Investing, LLC | 127,978 | $2,559 |
| WELLS FARGO & COMPANY/MN | 123,204 | $2,463 |
| NATIXIS | 122,331 | $2,446 |
| 403 other institutions | 8,051,569 | $147,858 |