| ADAGE CAPITAL PARTNERS GP, L.L.C. | 1,800,000 | 7.6% | +0 |
| Alberta Investment Management Corp | 1,200,000 | 5.1% | +0 |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | 1,150,000 | 4.9% | +0 |
| PICTON MAHONEY ASSET MANAGEMENT | 1,015,000 | 4.3% | +15,000 |
| Magnetar Financial LLC | 921,640 | 3.9% | +0 |
| AQR Arbitrage LLC | 883,323 | 3.7% | +14,851 |
| D. E. Shaw & Co., Inc. | 837,673 | 3.5% | +37,000 |
| TENOR CAPITAL MANAGEMENT Co., L.P. | 800,000 | 3.4% | +0 |
| MILLENNIUM MANAGEMENT LLC | 800,000 | 3.4% | +0 |
| Linden Advisors LP | 750,000 | 3.2% | +0 |
| ARISTEIA CAPITAL, L.L.C. | 701,357 | 3.0% | +0 |
| Hudson Bay Capital Management LP | 654,009 | 2.8% | +0 |
| Radcliffe Capital Management, L.P. | 550,000 | 2.3% | +0 |
| BNP PARIBAS FINANCIAL MARKETS | 538,730 | 2.3% | +0 |
| BERKLEY W R CORP | 518,564 | 2.2% | +0 |