| BERKSHIRE HATHAWAY INC | 31,759,065 | $3,608,147 |
| VANGUARD GROUP INC | 4,154,354 | $471,976 |
| BlackRock, Inc. | 2,926,392 | $332,467 |
| Invesco Ltd. | 1,683,259 | $191,235 |
| MORGAN STANLEY | 1,477,045 | $167,807 |
| STATE STREET CORP | 1,438,488 | $163,427 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 1,190,000 | $135,196 |
| Gates Capital Management, Inc. | 1,175,485 | $133,547 |
| DIMENSIONAL FUND ADVISORS LP | 1,089,100 | $123,733 |
| GEODE CAPITAL MANAGEMENT, LLC | 978,790 | $111,016 |
| LSV ASSET MANAGEMENT | 936,768 | $106 |
| MILLENNIUM MANAGEMENT LLC | 852,380 | $96,839 |
| D. E. Shaw & Co., Inc. | 505,332 | $57,411 |
| Squarepoint Ops LLC | 492,028 | $55,899 |
| NORTHERN TRUST CORP | 469,279 | $53,315 |
| NEUBERGER BERMAN GROUP LLC | 441,556 | $50,170 |
| KBC Group NV | 434,211 | $49 |
| NORGES BANK | 432,748 | $49,165 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 378,529 | $43,005 |
| JANE STREET GROUP, LLC | 376,867 | $42,816 |
| BANK OF AMERICA CORP /DE/ | 361,701 | $41,093 |
| CITADEL ADVISORS LLC | 361,471 | $41,067 |
| Corient Private Wealth LLC | 358,299 | $3,129 |
| NORDEA INVESTMENT MANAGEMENT AB | 338,192 | $38,321 |
| WORLDQUANT MILLENNIUM ADVISORS LLC | 324,468 | $36,863 |
| TUDOR INVESTMENT CORP ET AL | 324,246 | $36,838 |
| UBS Group AG | 316,331 | $35,938 |
| GOLDMAN SACHS GROUP INC | 310,845 | $35,315 |
| Doma Perpetual Capital Management LLC | 302,883 | $34,411 |
| WEDGE CAPITAL MANAGEMENT L L P/NC | 296,916 | $33,733 |
| Man Group plc | 293,263 | $33,318 |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC | 292,129 | $33,189 |
| BARCLAYS PLC | 288,320 | $32,756 |
| Quantinno Capital Management LP | 268,276 | $30,479 |
| DEUTSCHE BANK AG\ | 261,730 | $29,735 |
| ROYAL BANK OF CANADA | 259,132 | $29,440 |
| Toroso Investments, LLC | 257,878 | $29,298 |
| Bank of New York Mellon Corp | 252,509 | $28,688 |
| JPMORGAN CHASE & CO | 238,289 | $27,072 |
| Allianz Asset Management GmbH | 188,764 | $21,445 |
| TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY | 187,377 | $21 |
| TODD ASSET MANAGEMENT LLC | 186,274 | $21,163 |
| HRT FINANCIAL LP | 174,728 | $20 |
| RENAISSANCE TECHNOLOGIES LLC | 171,500 | $19,484 |
| SG Americas Securities, LLC | 166,684 | $19 |
| Connor, Clark & Lunn Investment Management Ltd. | 149,609 | $16,997 |
| Gotham Asset Management, LLC | 145,287 | $16,506 |
| RHUMBLINE ADVISERS | 135,514 | $15,396 |
| HSBC HOLDINGS PLC | 133,080 | $15,110 |
| UBS ASSET MANAGEMENT AMERICAS INC | 132,265 | $15,027 |
| Qube Research & Technologies Ltd | 131,981 | $14,994 |
| Susquehanna Portfolio Strategies, LLC | 127,622 | $14,499 |
| ExodusPoint Capital Management, LP | 125,275 | $14,232 |
| BNP PARIBAS ARBITRAGE, SA | 121,447 | $13,798 |
| ROVIN CAPITAL /UT/ /ADV | 120,562 | $14 |
| Amundi | 120,414 | $13,680 |
| Trexquant Investment LP | 116,226 | $13,204 |
| Legal & General Group Plc | 113,076 | $12,847 |
| NATIXIS | 104,707 | $11,896 |
| Russell Investments Group, Ltd. | 99,519 | $11,307 |
| CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM | 94,656 | $10,754 |
| CANADA PENSION PLAN INVESTMENT BOARD | 94,400 | $10,725 |
| CITIGROUP INC | 93,863 | $10,664 |
| Nuveen, LLC | 93,754 | $10,651 |
| PINEBRIDGE INVESTMENTS LLC | 91,212 | $10,363 |
| SPEECE THORSON CAPITAL GROUP INC | 88,552 | $10 |
| SEI INVESTMENTS CO | 87,393 | $9,928 |
| BI Asset Management Fondsmaeglerselskab A/S | 86,000 | $10 |
| Te Ahumairangi Investment Management Ltd | 78,973 | $8,972 |
| Swiss National Bank | 77,600 | $8,816 |
| Quantbot Technologies LP | 74,925 | $8,512 |
| Atom Investors LP | 71,796 | $8,157 |
| Campbell & CO Investment Adviser LLC | 67,877 | $7,712 |
| Schonfeld Strategic Advisors LLC | 63,743 | $7,242 |
| PBU - The Pension Fund of Early Childhood & Youth Educators | 63,461 | $7,210 |
| Jefferies Financial Group Inc. | 61,051 | $6,936 |
| Jump Financial, LLC | 60,942 | $6,924 |
| Boston Partners | 59,531 | $6,763 |
| VICTORY CAPITAL MANAGEMENT INC | 57,479 | $6,530 |
| MOORE CAPITAL MANAGEMENT, LP | 56,354 | $6,402 |
| Mitsubishi UFJ Trust & Banking Corp | 55,973 | $6,364 |
| OSSIAM | 53,498 | $6,078 |
| Verition Fund Management LLC | 52,056 | $5,914 |
| PRICE T ROWE ASSOCIATES INC /MD/ | 51,801 | $6 |
| BANK OF MONTREAL /CAN/ | 49,900 | $5,669 |
| ALLIANCEBERNSTEIN L.P. | 49,546 | $5,629 |
| Robeco Institutional Asset Management B.V. | 48,854 | $5,550 |
| AQR CAPITAL MANAGEMENT LLC | 46,440 | $5,276 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 44,038 | $5,003 |
| NATIONAL BANK OF CANADA /FI/ | 43,470 | $4,938 |
| Assenagon Asset Management S.A. | 42,628 | $4,843 |
| Stolper Co | 42,502 | $5 |
| PRINCIPAL FINANCIAL GROUP INC | 40,800 | $4,635 |
| Inlet Private Wealth, LLC | 40,080 | $4,553 |
| Summit Trail Advisors, LLC | 39,963 | $4,540 |
| COMERICA BANK | 39,756 | $4,517 |
| GHP Investment Advisors, Inc. | 39,738 | $4,515 |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 39,735 | $4,550 |
| Eurizon Capital SGR S.p.A. | 39,174 | $4,451 |
| STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM | 38,427 | $4,366 |
| 425 other institutions | 2,388,789 | $248,891 |