| ZEVENBERGEN CAPITAL INVESTMENTS LLC | 694,114 | $312,157 |
| HANTZ FINANCIAL SERVICES, INC. | 27,753 | $12 |
| SVB WEALTH LLC | 23,811 | $10,708 |
| Broadleaf Partners, LLC | 22,283 | $10,021 |
| Private Capital Advisors, Inc. | 21,331 | $9,593 |
| Legato Capital Management LLC | 14,805 | $6,658 |
| FORBES J M & CO LLP | 13,340 | $5,999 |
| Pinnacle Wealth Management Advisory Group, LLC | 13,098 | $5,890 |
| Douglass Winthrop Advisors, LLC | 12,895 | $5,799 |
| Sageworth Trust Co | 12,279 | $5,522 |
| Ramsay, Stattman, Vela & Price, Inc. | 12,035 | $5,412 |
| GLOBALT Investments LLC / GA | 11,104 | $4,994 |
| SOL Capital Management CO | 9,895 | $4 |
| Ancora Advisors LLC | 7,913 | $3,559 |
| Calydon Capital | 5,907 | $2,656 |
| COZAD ASSET MANAGEMENT INC | 5,207 | $2,342 |
| S&CO INC | 5,115 | $2 |
| NORTH STAR ASSET MANAGEMENT INC | 3,321 | $1,494 |
| CHECK CAPITAL MANAGEMENT INC/CA | 2,500 | $1,124 |
| SlateStone Wealth, LLC | 2,171 | $1 |
| Sandhill Capital Partners LLC | 1,823 | $820 |
| DOHENY ASSET MANAGEMENT /CA | 1,593 | $1 |
| BOSTON RESEARCH & MANAGEMENT INC | 1,265 | $1 |
| L & S Advisors Inc | 1,123 | $505 |
| Mengis Capital Management, Inc. | 942 | $424 |
| Curbstone Financial Management Corp | 902 | $406 |
| WINSLOW ASSET MANAGEMENT INC | 899 | $0 |
| Azimuth Capital Investment Management LLC | 837 | $376 |
| BERKSHIRE ASSET MANAGEMENT LLC/PA | 812 | $365 |
| Sippican Capital Advisors | 791 | $356 |
| VAUGHAN DAVID INVESTMENTS LLC/IL | 729 | $0 |
| DUMONT & BLAKE INVESTMENT ADVISORS LLC | 690 | $0 |
| BAHL & GAYNOR INC | 679 | $305 |
| Sequent Asset Management, LLC | 648 | $291 |
| ACADEMY CAPITAL MANAGEMENT INC/TX | 631 | $284 |
| KITCHING PARTNERS, LLC | 520 | $234 |
| RiverPark Advisors, LLC | 175 | $79 |
| HOERTKORN RICHARD CHARLES | 30 | $13 |
| DB Fitzpatrick & Co, Inc | 5 | $2 |