| Cambridge Investment Research Advisors, Inc. | 67,562 | $7.0m | 0.0% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 58,330 | $6.0m | 0.0% |
| WealthCare Asset Management, LLC | 44,778 | $4.6m | 1.9% |
| Merit Financial Group, LLC | 37,323 | $3.8m | 0.0% |
| JANE STREET GROUP, LLC | 27,510 | $2.8m | 0.0% |
| Exit Wealth Advisors, LLC. | 27,355 | $2.8m | 1.3% |
| OSAIC HOLDINGS, INC. | 19,888 | $2.0m | 0.0% |
| Pinnacle Wealth Planning Services, Inc. | 19,000 | $2.0m | 0.2% |
| Blue Capital, Inc. | 18,444 | $1.9m | 1.2% |
| Cetera Investment Advisers | 17,893 | $1.8m | 0.0% |
| Professional Financial Advisors, LLC | 13,935 | $1.4m | 0.2% |
| ENVESTNET ASSET MANAGEMENT INC | 11,789 | $1.2m | 0.0% |
| ROMAN BUTLER FULLERTON & CO | 9,845 | $1.1m | 0.3% |
| Belvedere Trading LLC | 10,371 | $1.1m | 0.0% |
| Parallax Volatility Advisers, L.P. | 8,411 | $866,081 | 0.0% |
| CALTON & ASSOCIATES, INC. | 6,587 | $678,263 | 0.1% |
| COMMONWEALTH EQUITY SERVICES, LLC | 6,164 | $634,710 | 0.0% |
| EverSource Wealth Advisors, LLC | 6,028 | $620,703 | 0.0% |
| National Wealth Management Group, LLC | 5,742 | $591,254 | 0.2% |
| Three Seasons Wealth, LLC | 5,521 | $568,497 | 0.1% |
| ROYAL BANK OF CANADA | 5,487 | $565,000 | 0.0% |
| Pettinga Financial Advisors LLC | 4,808 | $495,080 | 0.1% |
| BLAIR WILLIAM & CO/IL | 4,750 | $489,108 | 0.0% |
| Capital Wealth Alliance, LLC | 4,239 | $435,696 | 0.2% |
| Tactive Advisors, LLC | 3,881 | $399,627 | 0.1% |