| Douglass Winthrop Advisors, LLC | 1,461,905 | $458,746 |
| BECK MACK & OLIVER LLC | 998,822 | $313,430 |
| DF DENT & CO INC | 824,929 | $258,863 |
| ZEVENBERGEN CAPITAL INVESTMENTS LLC | 595,660 | $186,918 |
| BARR E S & CO | 547,808 | $171,902 |
| FRANKLIN STREET ADVISORS INC /NC | 321,598 | $100,917 |
| NORTH STAR ASSET MANAGEMENT INC | 214,685 | $67,368 |
| ACADEMY CAPITAL MANAGEMENT INC/TX | 207,830 | $65,217 |
| OVERBROOK MANAGEMENT CORP | 130,378 | $40,913 |
| GoodHaven Capital Management, LLC | 127,510 | $40,013 |
| NFC Investments, LLC | 108,223 | $34 |
| Ramsay, Stattman, Vela & Price, Inc. | 97,093 | $30,468 |
| Tufton Capital Management | 88,091 | $28 |
| Broadleaf Partners, LLC | 83,222 | $26,115 |
| SVB WEALTH LLC | 79,305 | $24,886 |
| WEIK CAPITAL MANAGEMENT | 67,372 | $21,141 |
| Mengis Capital Management, Inc. | 63,599 | $19,958 |
| Lipe & Dalton | 52,302 | $16 |
| BAHL & GAYNOR INC | 49,607 | $15,567 |
| SlateStone Wealth, LLC | 42,041 | $13 |
| Orca Investment Management, LLC | 36,370 | $11,413 |
| Curbstone Financial Management Corp | 35,547 | $11,155 |
| DOHENY ASSET MANAGEMENT /CA | 34,306 | $11 |
| Norman Fields, Gottscho Capital Management, LLC | 33,419 | $10,487 |
| ELCO Management Co., LLC | 26,200 | $8,222 |
| Councilmark Asset Management, LLC | 23,204 | $7,281 |
| BERKSHIRE ASSET MANAGEMENT LLC/PA | 21,254 | $6,669 |
| Pettee Investors, Inc. | 20,955 | $6,576 |
| COZAD ASSET MANAGEMENT INC | 17,218 | $5,403 |
| CHICKASAW CAPITAL MANAGEMENT LLC | 17,011 | $5 |
| JOHN G ULLMAN & ASSOCIATES INC | 16,813 | $5,276 |
| SOL Capital Management CO | 16,449 | $5 |
| Azimuth Capital Investment Management LLC | 16,157 | $5,070 |
| MAGNOLIA CAPITAL MANAGEMENT LTD | 16,040 | $5 |
| FORBES J M & CO LLP | 16,009 | $5,024 |
| NORTHSTAR ASSET MANAGEMENT LLC | 15,280 | $4,795 |
| MONETARY MANAGEMENT GROUP INC | 14,750 | $4,629 |
| MARIETTA INVESTMENT PARTNERS LLC | 11,976 | $3,758 |
| Sageworth Trust Co | 11,378 | $3,570 |
| Sippican Capital Advisors | 10,545 | $3,309 |
| GLOBALT Investments LLC / GA | 8,844 | $2,775 |
| Corundum Group, Inc. | 8,742 | $2,743 |
| L & S Advisors Inc | 8,432 | $2,646 |
| US Asset Management LLC | 7,828 | $2,456 |
| AUXIER ASSET MANAGEMENT LLC | 6,844 | $2,148 |
| Calydon Capital | 6,826 | $2,142 |
| BOSTON RESEARCH & MANAGEMENT INC | 6,457 | $2 |
| Corundum Trust Company, INC | 5,881 | $1,845 |
| EADS & HEALD WEALTH MANAGEMENT | 5,761 | $1,808 |
| VAUGHAN DAVID INVESTMENTS LLC/IL | 5,076 | $2 |
| Sageworth Trust Co of South Dakota | 4,040 | $1,268 |
| Legato Capital Management LLC | 3,681 | $1,155 |
| ISTHMUS PARTNERS, LLC | 1,849 | $580 |
| OBERWEIS ASSET MANAGEMENT INC/ | 1,620 | $508 |
| HENDLEY & CO INC | 1,125 | $0 |
| JMG Financial Group, Ltd. | 1,120 | $351 |
| Corient IA LLC | 1,000 | $314 |
| TEACHERS INSURANCE & ANNUITY ASSOCIATION OF AMERICA | 800 | $251 |