| BERKSHIRE HATHAWAY INC | 30,100,585 | $4.626B |
| BlackRock, Inc. | 2,766,751 | $425M |
| VANGUARD CAPITAL MANAGEMENT LLC | 2,180,225 | $335M |
| MORGAN STANLEY | 1,666,038 | $256M |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 1,479,600 | $227M |
| Invesco Ltd. | 1,467,881 | $226M |
| STATE STREET CORP | 1,351,737 | $208M |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 1,110,151 | $171M |
| GEODE CAPITAL MANAGEMENT, LLC | 939,781 | $144M |
| LSV ASSET MANAGEMENT | 931,058 | $143K |
| Gates Capital Management, Inc. | 723,008 | $111M |
| CITADEL ADVISORS LLC | 719,408 | $111M |
| Neuberger Berman Group LLC | 532,087 | $81.74M |
| D. E. Shaw & Co., Inc. | 504,639 | $77.56M |
| Woodline Partners LP | 452,979 | $69.62M |
| GOLDMAN SACHS GROUP INC | 447,422 | $68.76M |
| NORTHERN TRUST CORP | 413,229 | $63.51M |
| AQR CAPITAL MANAGEMENT LLC | 410,014 | $62.75M |
| NORDEA INVESTMENT MANAGEMENT AB | 384,709 | $58.65M |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 383,642 | $58.96M |
| Doma Perpetual Capital Management LLC | 316,025 | $48.57M |
| Freestone Grove Partners LP | 315,157 | $48.44M |
| JANE STREET GROUP, LLC | 305,950 | $47.02M |
| HRT FINANCIAL LP | 287,342 | $44.16M |
| JPMORGAN CHASE & CO | 263,172 | $40.1M |
| ROYAL BANK OF CANADA | 242,615 | $37.28M |
| WEDGE CAPITAL MANAGEMENT L L P/NC | 241,328 | $37.09M |
| BANK OF AMERICA CORP /DE/ | 241,059 | $37.05M |
| Quantinno Capital Management LP | 232,666 | $35.76M |
| Tidal Investments LLC | 229,405 | $35.26M |
| TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY | 225,177 | $34,607 |
| TODD ASSET MANAGEMENT LLC | 222,677 | $34.22M |
| VANGUARD FIDUCIARY TRUST CO | 193,215 | $29.7M |
| RENAISSANCE TECHNOLOGIES LLC | 189,200 | $29.08M |
| Gotham Asset Management, LLC | 175,573 | $26.98M |
| Allianz Asset Management GmbH | 164,949 | $25.35M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AME | 151,313 | $23.26M |
| Engineers Gate Manager LP | 140,957 | $21.66M |
| RHUMBLINE ADVISERS | 120,633 | $18.54M |
| Amundi | 115,300 | $17.72M |
| OSAIC HOLDINGS, INC. | 114,260 | $17.56M |
| VICTORY CAPITAL MANAGEMENT INC | 111,695 | $17.17M |
| Squarepoint Ops LLC | 100,397 | $15.43M |
| SCHRODER INVESTMENT MANAGEMENT GROUP | 97,184 | $14.94M |
| CANADA PENSION PLAN INVESTMENT BOARD | 91,424 | $14.05M |
| BARCLAYS PLC | 88,856 | $13.66M |
| Connor, Clark & Lunn Investment Management Ltd. | 81,997 | $12.6M |
| TUDOR INVESTMENT CORP ET AL | 79,915 | $12.28M |
| HSBC HOLDINGS PLC | 78,790 | $12.07M |
| Vanguard Global Advisers, LLC | 69,897 | $10.74M |
| Man Group plc | 69,886 | $10.74M |
| SEI INVESTMENTS CO | 68,340 | $10.5M |
| ACADIAN ASSET MANAGEMENT LLC | 68,188 | $10,476 |
| National Philanthropic Trust | 62,931 | $9.672M |
| ALLIANCEBERNSTEIN L.P. | 61,790 | $7.02M |
| Susquehanna Portfolio Strategies, LLC | 61,049 | $9.383M |
| Te Ahumairangi Investment Management Ltd | 59,330 | $9.118M |
| MILLENNIUM MANAGEMENT LLC | 55,006 | $8.454M |
| BNP PARIBAS FINANCIAL MARKETS | 54,717 | $8.409M |
| Corient Private Wealth LLC | 54,256 | $8.314M |
| Fund 1 Investments, LLC | 54,256 | $8.339M |
| STOREBRAND ASSET MANAGEMENT AS | 54,222 | $8.333M |
| PRICE T ROWE ASSOCIATES INC /MD/ | 50,518 | $7,765 |
| Ranmore Fund Management Ltd | 50,000 | $7.684M |
| Quadrature Capital Ltd | 49,641 | $7.629M |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC | 49,175 | $7.558M |
| TWO SIGMA INVESTMENTS, LP | 49,125 | $7.55M |
| Jump Financial, LLC | 48,222 | $7.411M |
| Aquatic Capital Management LLC | 46,466 | $7.141M |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | 45,243 | $6.953M |
| CITIGROUP INC | 43,995 | $6.762M |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 43,710 | $6.718M |
| ARMISTICE CAPITAL, LLC | 42,978 | $6.605M |
| Mitsubishi UFJ Trust & Banking Corp | 41,397 | $6.362M |
| Inlet Private Wealth, LLC | 40,500 | $6.224M |
| PRINCIPAL FINANCIAL GROUP INC | 39,823 | $6.12M |
| Mitsubishi UFJ Asset Management Co., Ltd. | 39,710 | $6.103M |
| RAYMOND JAMES FINANCIAL INC | 38,853 | $5.971M |
| FIFTH THIRD BANCORP | 38,411 | $5.903M |
| BANK OF MONTREAL /CAN/ | 38,351 | $5.894M |
| NEW YORK STATE TEACHERS RETIREMENT SYSTEM | 37,944 | $5,832 |
| FIRST TRUST ADVISORS LP | 37,692 | $5.793M |
| JANUS HENDERSON GROUP PLC | 37,188 | $5.716M |
| FMR LLC | 36,705 | $5.641M |
| NATIONAL BANK OF CANADA /FI/ | 35,890 | $5.516M |
| Callahan Advisors, LLC | 35,139 | $5.401M |
| VANGUARD ASSET MANAGEMENT, Ltd | 35,115 | $5.397M |
| Schonfeld Strategic Advisors LLC | 34,092 | $5.24M |
| DAVIDSON KEMPNER CAPITAL MANAGEMENT LP | 33,400 | $5.133M |
| PINEBRIDGE INVESTMENTS LLC | 32,257 | $4.958M |
| Summit Trail Advisors, LLC | 32,033 | $4.923M |
| Promethos Capital, LLC | 28,955 | $4.45M |
| WELLS FARGO & COMPANY/MN | 28,638 | $4.401M |
| NISA INVESTMENT ADVISORS, LLC | 28,470 | $4.376M |
| Numerai GP LLC | 28,311 | $4.351M |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | 27,492 | $4.225M |
| FRANKLIN RESOURCES INC | 26,165 | $4.021M |
| Campbell & CO Investment Adviser LLC | 22,068 | $3.392M |
| Point72 Asset Management, L.P. | 21,896 | $3.365M |
| WORLDQUANT MILLENNIUM ADVISORS LLC | 21,270 | $3.269M |
| 251 other institutions | 1,244,763 | $181M |