| BERKSHIRE HATHAWAY INC | 24,669,778 | $11.17B |
| TCI Fund Management Ltd | 14,334,027 | $6.492B |
| BlackRock, Inc. | 12,461,878 | $5.644B |
| VANGUARD CAPITAL MANAGEMENT LLC | 9,757,973 | $4.42B |
| STATE STREET CORP | 7,111,386 | $3.221B |
| FMR LLC | 4,985,040 | $2.258B |
| GEODE CAPITAL MANAGEMENT, LLC | 4,006,816 | $1.81B |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 3,733,380 | $1.691B |
| MORGAN STANLEY | 2,379,424 | $1.078B |
| NORGES BANK | 2,372,048 | $1.074B |
| PineStone Asset Management Inc. | 2,283,961 | $1.034B |
| GOLDMAN SACHS GROUP INC | 2,126,435 | $963M |
| Fiera Capital Corp | 2,085,400 | $945M |
| Bank of New York Mellon Corp | 2,019,609 | $915M |
| Egerton Capital (UK) LLP | 1,704,229 | $772M |
| NORTHERN TRUST CORP | 1,671,990 | $757M |
| PRICE T ROWE ASSOCIATES INC /MD/ | 1,545,468 | $700M |
| PRINCIPAL FINANCIAL GROUP INC | 1,461,325 | $662M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AME | 1,420,099 | $643M |
| WINDACRE PARTNERSHIP LLC | 1,409,900 | $639M |
| Valley Forge Capital Management, LP | 1,317,188 | $597M |
| Invesco Ltd. | 1,201,752 | $544M |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1,201,108 | $544M |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 1,186,385 | $566M |
| AKRE CAPITAL MANAGEMENT LLC | 1,156,893 | $524M |
| Rothschild & Co Wealth Management UK Ltd | 1,104,935 | $500M |
| DIMENSIONAL FUND ADVISORS LP | 1,070,784 | $485M |
| AQR CAPITAL MANAGEMENT LLC | 1,045,155 | $471M |
| Amundi | 1,011,495 | $458M |
| Legal & General Group Plc | 996,557 | $451M |
| VANGUARD FIDUCIARY TRUST CO | 851,332 | $386M |
| Ninety One UK Ltd | 836,571 | $379M |
| ROYAL BANK OF CANADA | 818,967 | $371M |
| SCHRODER INVESTMENT MANAGEMENT GROUP | 744,030 | $337M |
| DEUTSCHE BANK AG\ | 721,425 | $327M |
| BAILLIE GIFFORD & CO | 717,871 | $325M |
| Neuberger Berman Group LLC | 677,875 | $307M |
| BANK OF AMERICA CORP /DE/ | 642,955 | $291M |
| STIFEL FINANCIAL CORP | 614,280 | $278M |
| Russell Investments Group, Ltd. | 612,522 | $277M |
| BARCLAYS PLC | 606,233 | $275M |
| Nuveen, LLC | 575,490 | $261M |
| Longview Partners (Guernsey) LTD | 558,785 | $253M |
| Allen Investment Management, LLC | 544,862 | $247M |
| JPMORGAN CHASE & CO | 539,316 | $244M |
| GENERATION INVESTMENT MANAGEMENT LLP | 538,516 | $244M |
| National Pension Service | 500,927 | $227M |
| NORDEA INVESTMENT MANAGEMENT AB | 499,137 | $227M |
| BLS CAPITAL FONDSMAEGLERSELSKAB A/S | 464,583 | $210M |
| APG Asset Management N.V. | 428,004 | $170M |
| AKO CAPITAL LLP | 427,920 | $194M |
| MARSHFIELD ASSOCIATES | 422,806 | $191M |
| HSBC HOLDINGS PLC | 413,412 | $187M |
| ENVESTNET ASSET MANAGEMENT INC | 412,231 | $187M |
| STOREBRAND ASSET MANAGEMENT AS | 410,972 | $186M |
| Local Pensions Partnership Investment Ltd | 407,207 | $184M |
| Evergreen Quality Fund GP, Ltd. | 404,200 | $183M |
| Canoe Financial LP | 373,122 | $169M |
| D. E. Shaw & Co., Inc. | 369,114 | $167M |
| Mitsubishi UFJ Asset Management Co., Ltd. | 366,989 | $166M |
| LAZARD ASSET MANAGEMENT LLC | 338,284 | $153M |
| CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM | 332,872 | $151M |
| UBS Group AG | 330,302 | $150M |
| Sumitomo Mitsui Trust Group, Inc. | 329,301 | $149M |
| Vanguard Global Advisers, LLC | 324,142 | $147M |
| ROYAL LONDON ASSET MANAGEMENT LTD | 319,889 | $145M |
| CAISSE DE DEPOT ET PLACEMENT DU QUEBEC | 316,164 | $143M |
| Skye Global Management LP | 312,000 | $141M |
| ALTAROCK PARTNERS LP | 302,624 | $137M |
| VANGUARD ASSET MANAGEMENT, Ltd | 297,554 | $135M |
| VOYA INVESTMENT MANAGEMENT LLC | 293,829 | $133M |
| RHUMBLINE ADVISERS | 286,412 | $130M |
| CANADA PENSION PLAN INVESTMENT BOARD | 279,599 | $127M |
| SG Americas Securities, LLC | 273,648 | $124M |
| Newport Trust Company, LLC | 270,475 | $123M |
| DF DENT & CO INC | 269,427 | $122M |
| NATIXIS ADVISORS, LLC | 264,848 | $120M |
| WELLS FARGO & COMPANY/MN | 262,244 | $119M |
| Junto Capital Management LP | 260,298 | $118M |
| KING LUTHER CAPITAL MANAGEMENT CORP | 244,615 | $111M |
| CITIGROUP INC | 242,383 | $110M |
| BRISTOL JOHN W & CO INC /NY/ | 228,446 | $103M |
| SEI INVESTMENTS CO | 228,164 | $103M |
| JONES FINANCIAL COMPANIES LLLP | 226,182 | $102M |
| MARKEL GROUP INC. | 213,890 | $96.88M |
| Holocene Advisors, LP | 208,079 | $94.24M |
| CONGRESS ASSET MANAGEMENT CO | 205,324 | $93M |
| HighTower Advisors, LLC | 200,594 | $90.85M |
| NATIONAL BANK OF CANADA /FI/ | 193,214 | $87.53M |
| Robeco Institutional Asset Management B.V. | 191,260 | $86.63M |
| AMERIPRISE FINANCIAL INC | 186,770 | $84.59M |
| BNP PARIBAS FINANCIAL MARKETS | 184,188 | $83.42M |
| NEW YORK STATE COMMON RETIREMENT FUND | 182,158 | $82.5M |
| CHILTON INVESTMENT CO INC. | 178,199 | $80.71M |
| BANK OF MONTREAL /CAN/ | 177,221 | $80.27M |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 176,528 | $79.9M |
| 1832 Asset Management L.P. | 175,377 | $79.43M |
| YCG, LLC | 174,210 | $78.9M |
| PFA Pension, Forsikringsaktieselskab | 169,399 | $76.72M |
| BARR E S & CO | 163,383 | $74M |
| 1306 other institutions | 16,930,989 | $7.649B |