| BERKSHIRE HATHAWAY INC | 28,880,209 | $6.425B |
| BlackRock, Inc. | 2,460,987 | $548M |
| VANGUARD CAPITAL MANAGEMENT LLC | 2,101,425 | $468M |
| MORGAN STANLEY | 1,601,710 | $356M |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 1,377,914 | $307M |
| STATE STREET CORP | 1,323,019 | $294M |
| Invesco Ltd. | 1,211,917 | $270M |
| DIMENSIONAL FUND ADVISORS LP | 1,137,814 | $253M |
| Neuberger Berman Group LLC | 925,579 | $206M |
| LSV ASSET MANAGEMENT | 908,389 | $202M |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 889,082 | $198M |
| GEODE CAPITAL MANAGEMENT, LLC | 853,602 | $190M |
| Gates Capital Management, Inc. | 688,136 | $153M |
| BANK OF AMERICA CORP /DE/ | 651,999 | $145M |
| D. E. Shaw & Co., Inc. | 640,827 | $143M |
| AQR CAPITAL MANAGEMENT LLC | 587,758 | $128M |
| GOLDMAN SACHS GROUP INC | 463,381 | $103M |
| Bank of New York Mellon Corp | 454,545 | $101M |
| NORDEA INVESTMENT MANAGEMENT AB | 395,687 | $87.43M |
| NORTHERN TRUST CORP | 382,037 | $85M |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 365,569 | $81.33M |
| NORGES BANK | 344,422 | $76.63M |
| ACADIAN ASSET MANAGEMENT LLC | 331,145 | $73.64M |
| UBS Group AG | 305,199 | $67.9M |
| JANE STREET GROUP, LLC | 281,140 | $62.55M |
| Holocene Advisors, LP | 237,665 | $52.88M |
| KBC Group NV | 225,405 | $50.15M |
| Tidal Investments LLC | 217,828 | $48.46M |
| ROYAL BANK OF CANADA | 214,787 | $47.79M |
| DEUTSCHE BANK AG\ | 208,362 | $46.36M |
| Quantinno Capital Management LP | 203,910 | $45.37M |
| JPMORGAN CHASE & CO | 200,781 | $44.47M |
| CITADEL ADVISORS LLC | 199,862 | $44.47M |
| BARCLAYS PLC | 195,122 | $43.41M |
| WEDGE CAPITAL MANAGEMENT L L P/NC | 186,227 | $41.43M |
| VANGUARD FIDUCIARY TRUST CO | 180,396 | $40.13M |
| Gotham Asset Management, LLC | 163,580 | $36.39M |
| Doma Perpetual Capital Management LLC | 159,668 | $35.52M |
| FIRST TRUST ADVISORS LP | 153,548 | $34.16M |
| TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY | 149,717 | $33.31M |
| TODD ASSET MANAGEMENT LLC | 146,969 | $32.7M |
| LOS ANGELES CAPITAL MANAGEMENT LLC | 143,884 | $32.01M |
| Allianz Asset Management GmbH | 135,906 | $30.24M |
| BI Asset Management Fondsmaeglerselskab A/S | 128,567 | $28.6M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AME | 126,765 | $28.2M |
| CANADA PENSION PLAN INVESTMENT BOARD | 119,024 | $26.48M |
| VICTORY CAPITAL MANAGEMENT INC | 118,563 | $26.38M |
| Amundi | 116,717 | $25.97M |
| FMR LLC | 114,507 | $25.48M |
| DAVIDSON KEMPNER CAPITAL MANAGEMENT LP | 113,098 | $25.16M |
| ENVESTNET ASSET MANAGEMENT INC | 105,999 | $23.58M |
| RHUMBLINE ADVISERS | 103,725 | $23.08M |
| Woodline Partners LP | 102,807 | $22.87M |
| PRICE T ROWE ASSOCIATES INC /MD/ | 102,272 | $22.75M |
| SCHRODER INVESTMENT MANAGEMENT GROUP | 98,425 | $21.9M |
| SEI INVESTMENTS CO | 94,903 | $21.11M |
| Legal & General Group Plc | 90,009 | $20.03M |
| OSAIC HOLDINGS, INC. | 87,811 | $19.54M |
| Nuveen, LLC | 86,646 | $19.28M |
| HSBC HOLDINGS PLC | 79,500 | $17.66M |
| MILLENNIUM MANAGEMENT LLC | 77,094 | $17.15M |
| HRT FINANCIAL LP | 70,164 | $15.61M |
| Russell Investments Group, Ltd. | 69,867 | $15.46M |
| CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM | 69,086 | $15.37M |
| Swiss National Bank | 67,000 | $14.91M |
| SG Americas Securities, LLC | 66,073 | $14.7M |
| Vanguard Global Advisers, LLC | 66,059 | $14.7M |
| National Philanthropic Trust | 62,931 | $14M |
| TUDOR INVESTMENT CORP ET AL | 59,895 | $13.33M |
| BNP PARIBAS FINANCIAL MARKETS | 58,534 | $13.02M |
| Candriam S.C.A. | 57,263 | $12.73M |
| DANSKE BANK A/S | 56,055 | $12.47M |
| Susquehanna Portfolio Strategies, LLC | 54,925 | $12.22M |
| STOREBRAND ASSET MANAGEMENT AS | 51,693 | $11.5M |
| BANK OF MONTREAL /CAN/ | 51,152 | $11.38M |
| LPL Financial LLC | 48,449 | $10.78M |
| PRINCIPAL FINANCIAL GROUP INC | 47,656 | $10.6M |
| Robeco Institutional Asset Management B.V. | 45,324 | $10.08M |
| Callahan Advisors, LLC | 45,098 | $10.03M |
| Assenagon Asset Management S.A. | 44,783 | $9.963M |
| Verition Fund Management LLC | 43,780 | $9.74M |
| Prospera Financial Services Inc | 42,623 | $9.482M |
| Te Ahumairangi Investment Management Ltd | 42,612 | $9.48M |
| Connor, Clark & Lunn Investment Management Ltd. | 41,386 | $9.208M |
| RAYMOND JAMES FINANCIAL INC | 40,740 | $9.064M |
| Jupiter Topco LLC | 40,588 | $9.03M |
| Inlet Private Wealth, LLC | 40,475 | $9.005M |
| NATIONAL BANK OF CANADA /FI/ | 40,224 | $8.949M |
| GHP Investment Advisors, Inc. | 40,223 | $8.949M |
| Mitsubishi UFJ Asset Management Co., Ltd. | 39,712 | $8.835M |
| CAISSE DE DEPOT ET PLACEMENT DU QUEBEC | 39,200 | $8.721M |
| MARSHALL WACE, LLP | 36,897 | $8.209M |
| FRANKLIN RESOURCES INC | 36,829 | $8.194M |
| ALLIANCEBERNSTEIN L.P. | 36,221 | $5.567M |
| NISA INVESTMENT ADVISORS, LLC | 35,722 | $7.947M |
| IEQ CAPITAL, LLC | 35,510 | $7.9M |
| Stolper Co | 34,820 | $7.747M |
| Counterpoint Mutual Funds LLC | 33,190 | $7.384M |
| VANGUARD ASSET MANAGEMENT, Ltd | 32,229 | $7.17M |
| FIFTH THIRD BANCORP | 31,797 | $7.074M |
| 528 other institutions | 2,325,318 | $516M |