| BERKSHIRE HATHAWAY INC | 24,669,778 | $10.76B |
| TCI Fund Management Ltd | 14,334,027 | $6.253B |
| BlackRock, Inc. | 13,127,824 | $5.727B |
| VANGUARD CAPITAL MANAGEMENT LLC | 9,885,316 | $4.312B |
| STATE STREET CORP | 7,138,837 | $3.114B |
| FMR LLC | 4,986,752 | $2.175B |
| GEODE CAPITAL MANAGEMENT, LLC | 4,081,564 | $1.776B |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 3,882,472 | $1.694B |
| Fiera Capital Corp | 2,356,454 | $1.028B |
| MORGAN STANLEY | 2,322,297 | $1.013B |
| GOLDMAN SACHS GROUP INC | 2,156,959 | $941M |
| PRICE T ROWE ASSOCIATES INC /MD/ | 1,830,758 | $799K |
| NORTHERN TRUST CORP | 1,752,888 | $765M |
| Egerton Capital (UK) LLP | 1,545,670 | $674M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AME | 1,387,075 | $605M |
| WINDACRE PARTNERSHIP LLC | 1,332,900 | $581M |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 1,328,012 | $605M |
| Valley Forge Capital Management, LP | 1,317,188 | $575M |
| AKRE CAPITAL MANAGEMENT LLC | 1,246,114 | $544M |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1,146,533 | $500M |
| PRINCIPAL FINANCIAL GROUP INC | 1,081,807 | $472M |
| Invesco Ltd. | 1,029,091 | $449M |
| SCHRODER INVESTMENT MANAGEMENT GROUP | 890,699 | $385M |
| VANGUARD FIDUCIARY TRUST CO | 883,679 | $386M |
| ALTAROCK PARTNERS LP | 862,036 | $376M |
| Amundi | 842,967 | $368M |
| ROYAL BANK OF CANADA | 786,943 | $343M |
| BARCLAYS PLC | 709,825 | $310M |
| Longview Partners (Guernsey) LTD | 709,634 | $310M |
| APG Asset Management N.V. | 684,104 | $259M |
| Neuberger Berman Group LLC | 680,927 | $297M |
| BANK OF AMERICA CORP /DE/ | 671,947 | $293M |
| STIFEL FINANCIAL CORP | 655,920 | $286M |
| NORDEA INVESTMENT MANAGEMENT AB | 558,311 | $239M |
| JPMORGAN CHASE & CO | 546,149 | $236M |
| MARSHFIELD ASSOCIATES | 538,993 | $235M |
| AKO CAPITAL LLP | 510,824 | $223K |
| BNP PARIBAS FINANCIAL MARKETS | 504,423 | $220M |
| National Pension Service | 499,293 | $218M |
| HSBC HOLDINGS PLC | 459,565 | $200M |
| AQR CAPITAL MANAGEMENT LLC | 451,090 | $197M |
| STOREBRAND ASSET MANAGEMENT AS | 411,894 | $180M |
| FIRST TRUST ADVISORS LP | 388,309 | $169M |
| Skye Global Management LP | 368,000 | $161M |
| CAISSE DE DEPOT ET PLACEMENT DU QUEBEC | 366,884 | $160M |
| GENERATION INVESTMENT MANAGEMENT LLP | 366,361 | $160M |
| VOYA INVESTMENT MANAGEMENT LLC | 362,497 | $158M |
| Mitsubishi UFJ Asset Management Co., Ltd. | 355,176 | $155M |
| AMERIPRISE FINANCIAL INC | 345,075 | $151M |
| Evergreen Quality Fund GP, Ltd. | 337,200 | $147M |
| Vanguard Global Advisers, LLC | 335,650 | $146M |
| RHUMBLINE ADVISERS | 304,762 | $133M |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC | 297,370 | $130M |
| DF DENT & CO INC | 295,401 | $129M |
| LAZARD ASSET MANAGEMENT LLC | 286,213 | $125M |
| Newport Trust Company, LLC | 272,656 | $119M |
| NATIXIS ADVISORS, LLC | 272,202 | $119K |
| VANGUARD ASSET MANAGEMENT, Ltd | 271,931 | $119M |
| KING LUTHER CAPITAL MANAGEMENT CORP | 259,620 | $113M |
| SEI INVESTMENTS CO | 256,458 | $112M |
| D. E. Shaw & Co., Inc. | 248,431 | $108M |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | 238,947 | $104M |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 238,234 | $104M |
| BRISTOL JOHN W & CO INC /NY/ | 230,261 | $100M |
| NATIONAL BANK OF CANADA /FI/ | 222,894 | $97.27M |
| JONES FINANCIAL COMPANIES LLLP | 222,694 | $94.61M |
| MARKEL GROUP INC. | 213,890 | $93.31M |
| CONGRESS ASSET MANAGEMENT CO | 213,331 | $93.07M |
| CHILTON INVESTMENT CO INC. | 196,399 | $85.68M |
| Prana Capital Management, LP | 186,187 | $81.22M |
| CANADA PENSION PLAN INVESTMENT BOARD | 185,744 | $81.03M |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 181,695 | $79.22M |
| YCG, LLC | 174,963 | $76.33M |
| WELLS FARGO & COMPANY/MN | 168,933 | $73.7M |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | 167,790 | $73.2M |
| AVIVA PLC | 165,926 | $72.39M |
| ALLIANCEBERNSTEIN L.P. | 161,854 | $82.68M |
| Mitsubishi UFJ Trust & Banking Corp | 160,577 | $70.05M |
| CITIGROUP INC | 160,268 | $69.92M |
| BARR E S & CO | 159,864 | $69.74M |
| BANK OF MONTREAL /CAN/ | 155,686 | $67.92M |
| SCHWARTZ INVESTMENT COUNSEL INC | 153,000 | $66.75M |
| CAPTRUST FINANCIAL ADVISORS | 145,331 | $63.4M |
| Bristol Gate Capital Partners Inc. | 144,288 | $62.95M |
| ARMSTRONG HENRY H ASSOCIATES INC | 144,120 | $62.87M |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | 137,454 | $59.96M |
| MARSHALL WACE, LLP | 131,265 | $57.26M |
| CALEDONIA INVESTMENTS PLC | 129,800 | $56.65M |
| SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC | 129,606 | $56.54M |
| RAYMOND JAMES FINANCIAL INC | 129,289 | $56.16M |
| United Super Pty Ltd in its capacity as Trustee for the Cons | 128,307 | $55.97M |
| CANADA LIFE ASSURANCE Co | 127,254 | $55,714 |
| NEW YORK STATE TEACHERS RETIREMENT SYSTEM | 124,559 | $54,339 |
| WESTFIELD CAPITAL MANAGEMENT CO LP | 123,603 | $53.92M |
| BNP Paribas Asset Management Holding S.A. | 122,482 | $53.43M |
| MANNING & NAPIER ADVISORS LLC | 121,671 | $53.08M |
| GFI Investment Counsel Ltd. | 120,472 | $52.56M |
| Rings Capital Management LLC | 120,000 | $52.35M |
| ACADIAN ASSET MANAGEMENT LLC | 119,874 | $52,284 |
| Himalaya Capital Management LLC | 117,784 | $51.38M |
| 626 other institutions | 9,505,914 | $3.945B |