| Harraden Circle Investments, LLC | $811.9K | 2,291,633 | 0.10% | 4q | HELD |
| Saba Capital Management, L.P. | $347.7K | 981,344 | 0.01% | 4q | HELD |
| Verition Fund Management LLC | $297.4K | 826,200 | 0.00% | 4q | +100.0%+$148.7K |
| HIGHBRIDGE CAPITAL MANAGEMENT LLC | $280.7K | 758,720 | 0.01% | 2q | +48.4%+$91.6K |
| CSS LLC/IL | $269.9K | 761,739 | 0.01% | 4q | HELD |
| MMCAP International Inc. SPC | $212.6K | 600,000 | 0.02% | 4q | HELD |
| LMR Partners LLP | $212.6K | 600,000 | 0.00% | 4q | HELD |
| Linden Advisors LP | $176.4K | 511,206 | 0.00% | 4q | HELD |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | $162.0K | 450,000 | 0.00% | 4q | HELD |
| TENOR CAPITAL MANAGEMENT Co., L.P. | $141.7K | 400,000 | 0.00% | 4q | HELD |
| Magnetar Financial LLC | $135.0K | 375,000 | 0.00% | 4q | HELD |
| AQR Arbitrage LLC | $118.3K | 333,931 | 0.00% | 4q | +0.8% |
| WHITEBOX ADVISORS LLC | $106.3K | 300,000 | 0.00% | 4q | HELD |
| Walleye Capital LLC | $92.3K | 260,447 | 0.00% | 4q | HELD |
| Wealthspring Capital LLC | $87.9K | 248,000 | 0.02% | 4q | -0.8% |
| Context Capital Management, LLC | $85.7K | 241,750 | 0.00% | 4q | HELD |
| Governors Lane LP | $84.9K | 239,531 | 0.01% | 4q | HELD |
| TORONTO DOMINION BANK | $81.8K | 230,970 | 0.00% | 4q | -6.1%-$5.3K |
| Shaolin Capital Management LLC | $81.6K | 230,310 | 0.00% | 4q | +2.4%+$1.9K |
| HGC Investment Management Inc. | $79.7K | 225,000 | 0.02% | 4q | HELD |
| Westchester Capital Management, LLC | $69.2K | 192,324 | 0.00% | 2q | HELD |
| DLD Asset Management, LP | $59.0K | 166,499 | 0.00% | 3q | HELD |
| ARISTEIA CAPITAL, L.L.C. | $55.2K | 159,953 | 0.00% | 4q | HELD |
| MILLENNIUM MANAGEMENT LLC | $52.2K | options only | 0.00% | 4q | OPTIONS |
| Mint Tower Capital Management B.V. | $51.0K | 143,321 | 0.01% | 4q | HELD |
| Polar Asset Management Partners Inc. | $46.1K | 130,015 | 0.00% | 4q | +4.0%+$1.8K |
| Parallax Volatility Advisers, L.P. | $45.7K | 126,816 | 0.00% | 4q | HELD |
| MOORE CAPITAL MANAGEMENT, LP | $44.3K | 125,000 | 0.00% | 4q | HELD |
| Alberta Investment Management Corp | $44.3K | 125,000 | 0.00% | 3q | HELD |
| PICTON MAHONEY ASSET MANAGEMENT | $44.3K | 125,000 | 0.00% | 4q | HELD |
| K2 PRINCIPAL FUND, L.P. | $39.6K | 113,158 | 0.00% | 4q | HELD |
| Radcliffe Capital Management, L.P. | $39.3K | 113,810 | 0.00% | 4q | HELD |
| BNP PARIBAS FINANCIAL MARKETS | $39.2K | 110,585 | 0.00% | 4q | HELD |
| Lineage Point Capital LP | $31.9K | 90,000 | 0.01% | 3q | HELD |
| Centiva Capital, LP | $27.0K | 75,000 | 0.00% | 3q | HELD |
| GLAZER CAPITAL, LLC | $25.0K | 69,334 | 0.00% | 4q | HELD |
| COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS | $24.6K | 69,499 | 0.00% | 4q | HELD |
| Clear Street Group Inc. | $23.7K | 66,768 | 0.00% | 4q | -15.4%-$4.3K |
| D. E. Shaw & Co., Inc. | $18.0K | 50,000 | 0.00% | 4q | HELD |
| Periscope Capital Inc. | $17.6K | 49,700 | 0.00% | 4q | HELD |
| GRITSTONE ASSET MANAGEMENT LLC | $17.5K | 49,429 | 0.02% | 4q | HELD |
| Endure Capital Management, LLC | $14.5K | 40,837 | 0.00% | 2q | HELD |
| RIVERNORTH CAPITAL MANAGEMENT, LLC | $13.7K | 49,687 | 0.00% | 4q | HELD |
| Bulldog Investors, LLP | $12.4K | 35,000 | 0.00% | 4q | HELD |
| WOLVERINE ASSET MANAGEMENT LLC | $8.0K | 22,641 | 0.00% | 4q | HELD |
| Osbon Capital Management LLC | $7.1K | 20,000 | 0.01% | 3q | HELD |
| Quarry LP | $7.1K | 20,000 | 0.00% | 2q | HELD |
| RLH Capital LLC | $7.1K | 20,000 | 0.00% | 2q | HELD |
| Schonfeld Strategic Advisors LLC | $5.1K | 14,489 | 0.00% | 4q | -27.6%-$2.0K |
| SkyView Investment Advisors, LLC | $9 | 25,000? | 0.01% | new | |