| Ayer Capital Management LP | 5.15% | 1,156,598 | 2,105,008 | +200,000 | +20.91% |
| Senvest International LLC | 1.74% | 390,850 | 711,347 | -308,450 | -44.11% |
| Ridgeback Capital Management LLC | 0.84% | 189,511 | 344,910 | +94,511 | +99.49% |
| Oppenheim Asset Management Servic... | 0.21% | 47,750 | 86,905 | +47,750 | -- |
| Medical Strategy GmbH | 0.21% | 47,750 | 86,905 | 0 | 0.00% |
| Knight Capital Americas LLC | 0.14% | 31,515 | 57,357 | +16,515 | +110.10% |
| WAY Investment Managers Ltd. | 0.11% | 23,500 | 42,770 | 0 | 0.00% |
| BNY Mellon Asset Management | 0.08% | 17,800 | 32,396 | 0 | 0.00% |
| Deutsche Asset Management Investm... | 0.05% | 11,500 | 20,930 | +11,500 | -- |
| IBI Mutual Funds Management (1978... | 0.05% | 10,600 | 19,292 | -2,400 | -18.46% |