| BERKSHIRE HATHAWAY INC | 4,986,588 | $406,407 |
| Linonia Partnership LP | 2,498,950 | $203,664 |
| VANGUARD GROUP INC | 2,003,440 | $163,280 |
| ValueAct Holdings, L.P. | 1,799,319 | $146,644 |
| BANK OF AMERICA CORP /DE/ | 1,618,556 | $131,912 |
| MORGAN STANLEY | 1,152,499 | $93,929 |
| Sculptor Capital LP | 1,100,000 | $89,650 |
| Corvex Management LP | 1,005,434 | $81,943 |
| D. E. Shaw & Co., Inc. | 958,734 | $78,137 |
| BlackRock, Inc. | 947,504 | $77,222 |
| Alberta Investment Management Corp | 594,000 | $48,411 |
| SG Americas Securities, LLC | 437,553 | $36 |
| PRINCIPAL FINANCIAL GROUP INC | 402,017 | $32,764 |
| JNE Partners LLP | 368,121 | $30,002 |
| STATE STREET CORP | 348,853 | $28,432 |
| GEODE CAPITAL MANAGEMENT, LLC | 341,035 | $27,795 |
| Virtu Financial LLC | 273,429 | $22 |
| JPMORGAN CHASE & CO | 244,931 | $19,962 |
| LMR Partners LLP | 233,632 | $19,041 |
| HIGHBRIDGE CAPITAL MANAGEMENT LLC | 210,332 | $17,142 |
| Amundi | 189,310 | $15,429 |
| STATE OF WISCONSIN INVESTMENT BOARD | 167,512 | $13,652 |
| DIMENSIONAL FUND ADVISORS LP | 160,526 | $13,083 |
| BANK OF NOVA SCOTIA | 138,274 | $11,269 |
| NORGES BANK | 122,880 | $10,015 |
| ING GROEP NV | 118,500 | $9,658 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 111,782 | $9,110 |
| NORTHERN TRUST CORP | 98,169 | $8,001 |
| BNP PARIBAS ARBITRAGE, SA | 97,596 | $7,954 |
| Quantinno Capital Management LP | 82,954 | $6,761 |
| Empyrean Capital Partners, LP | 72,250 | $5,888 |
| NATIXIS | 62,664 | $5,107 |
| GABELLI FUNDS LLC | 55,232 | $4,501 |
| FMR LLC | 54,263 | $4,422 |
| PINNACLE ASSOCIATES LTD | 52,362 | $4,267 |
| S&CO INC | 47,547 | $4 |
| UBS Group AG | 46,586 | $3,797 |
| INTREPID CAPITAL MANAGEMENT INC | 46,149 | $3,761 |
| Bank of New York Mellon Corp | 45,853 | $3,737 |
| UBS ASSET MANAGEMENT AMERICAS INC | 45,444 | $3,704 |
| JANE STREET GROUP, LLC | 43,868 | $3,575 |
| GOLDMAN SACHS GROUP INC | 42,453 | $3,460 |
| Boussard & Gavaudan Investment Management LLP | 41,916 | $3,406 |
| CSS LLC/IL | 41,755 | $3,403 |
| Nuveen, LLC | 40,422 | $3,294 |
| GAMCO INVESTORS, INC. ET AL | 39,699 | $3,235 |
| Swiss National Bank | 35,276 | $2,875 |
| BISLETT MANAGEMENT, LLC | 35,000 | $2,853 |
| Yakira Capital Management, Inc. | 33,526 | $2,732 |
| SCHWERIN BOYLE CAPITAL MANAGEMENT INC | 32,567 | $2,654 |
| Jefferies Financial Group Inc. | 31,434 | $2,562 |
| AYAL Capital Advisors Ltd | 31,000 | $2,527 |
| State of New Jersey Common Pension Fund D | 28,268 | $2,304 |
| Anfield Capital Management, LLC | 24,178 | $1,971 |
| Russell Investments Group, Ltd. | 23,580 | $1,922 |
| TUDOR INVESTMENT CORP ET AL | 22,658 | $1,847 |
| Invesco Ltd. | 22,610 | $1,843 |
| CI INVESTMENTS INC. | 21,698 | $1,768 |
| TORONTO DOMINION BANK | 20,000 | $1,630 |
| RHUMBLINE ADVISERS | 19,359 | $1,578 |
| IEQ CAPITAL, LLC | 19,233 | $1,567 |
| Verition Fund Management LLC | 18,500 | $1,508 |
| STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM | 18,396 | $1,499 |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | 17,597 | $1,434 |
| Legal & General Group Plc | 17,111 | $1,395 |
| VIRGINIA RETIREMENT SYSTEMS ET AL | 17,000 | $1,386 |
| PRICE T ROWE ASSOCIATES INC /MD/ | 16,221 | $1 |
| AQR CAPITAL MANAGEMENT LLC | 15,215 | $1,240 |
| Creative Planning | 12,946 | $1,055 |
| Summit Trail Advisors, LLC | 12,448 | $1,015 |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 11,768 | $959 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 11,706 | $954 |
| ALGERT GLOBAL LLC | 11,490 | $1 |
| R.H. Dinel Investment Counsel, Inc. | 9,538 | $777 |
| Illinois Municipal Retirement Fund | 9,163 | $747 |
| COMMERCE BANK | 8,982 | $732 |
| FIRST MANHATTAN CO. LLC. | 8,828 | $719 |
| NEW YORK STATE COMMON RETIREMENT FUND | 8,697 | $709 |
| Police & Firemen's Retirement System of New Jersey | 8,628 | $703 |
| Treasurer of the State of North Carolina | 8,250 | $1 |
| JANUS HENDERSON GROUP PLC | 7,300 | $595 |
| Oak Thistle LLC | 7,291 | $594 |
| BROWN ADVISORY INC | 6,468 | $537 |
| Handelsbanken Fonder AB | 6,300 | $1 |
| Bleichroeder LP | 6,047 | $502 |
| PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO | 5,927 | $483 |
| Hosking Partners LLP | 5,505 | $449 |
| SHERBROOKE PARK ADVISERS LLC | 5,268 | $429 |
| AMERICAN CENTURY COMPANIES INC | 5,231 | $426 |
| ALLIANCEBERNSTEIN L.P. | 5,077 | $414 |
| MILLENNIUM MANAGEMENT LLC | 5,053 | $412 |
| Arizona State Retirement System | 4,975 | $405 |
| AIRE ADVISORS, LLC | 4,715 | $384 |
| Pathstone Holdings, LLC | 4,580 | $373 |
| WEALTH ENHANCEMENT ADVISORY SERVICES, LLC | 4,431 | $363 |
| RAYMOND JAMES FINANCIAL INC | 4,063 | $331 |
| Supplemental Annuity Collective Trust of NJ | 4,000 | $326 |
| EVERGREEN CAPITAL MANAGEMENT LLC | 3,817 | $311 |
| CITIGROUP INC | 3,427 | $279 |
| SEI INVESTMENTS CO | 3,419 | $279 |
| 108 other institutions | 59,171 | $4,058 |