| BATTERY MANAGEMENT CORP. | 2,421,673 | $14.9m | 4.1% |
| NEA Management Company, LLC | 1,713,720 | $10.6m | 0.7% |
| VANGUARD CAPITAL MANAGEMENT LLC | 301,353 | $1.9m | 0.0% |
| TOCQUEVILLE ASSET MANAGEMENT L.P. | 295,658 | $1.8m | 0.0% |
| MORGAN STANLEY | 235,400 | $1.5m | 0.0% |
| BANK OF AMERICA CORP /DE/ | 214,058 | $1.3m | 0.0% |
| RENAISSANCE TECHNOLOGIES LLC | 139,039 | $856,480 | 0.0% |
| BlackRock, Inc. | 129,848 | $799,864 | 0.0% |
| Mink Brook Asset Management LLC | 111,338 | $685,842 | 0.3% |
| GEODE CAPITAL MANAGEMENT, LLC | 76,300 | $470,118 | 0.0% |
| HighTower Advisors, LLC | 41,901 | $258,110 | 0.0% |
| VANGUARD FIDUCIARY TRUST CO | 33,239 | $204,752 | 0.0% |
| NORTHERN TRUST CORP | 27,910 | $171,926 | 0.0% |
| STATE STREET CORP | 26,203 | $161,410 | 0.0% |
| Cambridge Investment Research Advisors, Inc. | 24,504 | $150,000 | 0.0% |
| Bank of New York Mellon Corp | 21,614 | $133,142 | 0.0% |
| ACADIAN ASSET MANAGEMENT LLC | 20,523 | $125,000 | 0.0% |
| CITADEL ADVISORS LLC | 18,295 | $112,697 | 0.0% |
| ESSEX INVESTMENT MANAGEMENT CO LLC | 18,221 | $112,241 | 0.0% |
| Mesirow Financial Investment Management, Inc. | 15,800 | $97,328 | 0.0% |
| MERCER GLOBAL ADVISORS INC /ADV | 12,775 | $78,694 | 0.0% |
| Vanguard Global Advisers, LLC | 2,093 | $12,893 | 0.0% |
| BARCLAYS PLC | 13 | $80 | 0.0% |
| JPMORGAN CHASE & CO | 11 | $71 | 0.0% |
| Cassaday & Co Wealth Management LLC | 10 | $62 | 0.0% |