| ADAGE CAPITAL PARTNERS GP, L.L.C. | 1,800,000 | 7.6% | +0 |
| Alberta Investment Management Corp | 1,250,000 | 5.3% | +0 |
| AQR Arbitrage LLC | 1,246,946 | 5.3% | +31,755 |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | 1,000,000 | 4.2% | +0 |
| Magnetar Financial LLC | 929,288 | 3.9% | +0 |
| Hudson Bay Capital Management LP | 901,878 | 3.8% | +0 |
| MILLENNIUM MANAGEMENT LLC | 852,000 | 3.6% | +2 |
| Linden Advisors LP | 750,000 | 3.2% | +0 |
| TWO SIGMA INVESTMENTS, LP | 632,853 | 2.7% | +0 |
| Radcliffe Capital Management, L.P. | 556,664 | 2.4% | +14,053 |
| Schonfeld Strategic Advisors LLC | 543,691 | 2.3% | +3,691 |
| Verition Fund Management LLC | 536,599 | 2.3% | +0 |
| TENOR CAPITAL MANAGEMENT Co., L.P. | 500,000 | 2.1% | +0 |
| Sculptor Capital LP | 500,000 | 2.1% | +0 |
| BNP PARIBAS FINANCIAL MARKETS | 453,043 | 1.9% | +0 |