| MANGROVE PARTNERS | $5.0M | 500,000? | 0.25% | 2q | |
| SIMPLEX TRADING, LLC | $1.6M | options only | 0.00% | 3q | OPTIONS |
| Radcliffe Capital Management, L.P. | $1.3M | 133,332? | 0.03% | 8q | |
| Shannon River Fund Management LLC | $1.2M | 430,675? | 0.35% | 7q | |
| Linden Advisors LP | $156.0K | 1,194,672 | 0.00% | 7q | HELD |
| CANTOR FITZGERALD, L. P. | $116.0K | 894,552 | 0.00% | 3q | -3.9%-$4.7K |
| MSD Partners, L.P. | $108.0K | 833,333 | 0.01% | 8q | HELD |
| Magnetar Financial LLC | $98.0K | 751,701 | 0.00% | new | NEW |
| Castle Creek Arbitrage, LLC | $91.0K | 701,733 | 0.00% | 8q | HELD |
| Sage Rock Capital Management LP | $70.0K | 536,886 | 0.01% | 8q | -51.5%-$74.5K |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | $65.0K | 500,000 | 0.00% | 8q | HELD |
| Luxor Capital Group, LP | $64.0K | 494,165 | 0.00% | 7q | HELD |
| Westchester Capital Management, LLC | $61.0K | 471,267 | 0.00% | 7q | HELD |
| Fort Baker Capital Management LP | $57.0K | 431,613 | 0.01% | 2q | +159.2%+$35.0K |
| Ratan Capital Management LP | $54.0K | 417,752 | 0.05% | 8q | HELD |
| Shaolin Capital Management LLC | $54.0K | 415,225 | 0.00% | 6q | +15.3%+$7.2K |
| ARISTEIA CAPITAL LLC | $53.0K | 404,604 | 0.00% | 6q | -2.1%-$1.1K |
| Sculptor Capital LP | $34.0K | 260,000 | 0.00% | 8q | -1.8% |
| MOORE CAPITAL MANAGEMENT, LP | $33.0K | 250,000 | 0.00% | 8q | HELD |
| RAMIUS ADVISORS LLC | $29.0K | 223,346 | 0.01% | new | NEW |
| TIG Advisors, LLC | $27.0K | 208,479 | 0.00% | 8q | HELD |
| Ionic Capital Management LLC | $24.0K | 186,114 | 0.00% | 2q | HELD |
| AQR Arbitrage LLC | $22.0K | 166,666 | 0.00% | 7q | HELD |
| JANE STREET GROUP, LLC | $21.0K | 160,309 | 0.00% | 6q | -0.6% |
| MILLENNIUM MANAGEMENT LLC | $18.0K | options only | 0.00% | 4q | OPTIONS |
| TENOR CAPITAL MANAGEMENT Co., L.P. | $18.0K | 134,999 | 0.00% | 8q | HELD |
| Fortress Investment Group LLC | $18.0K | 141,165 | 0.00% | 7q | HELD |
| Meteora Capital, LLC | $17.0K | 128,000 | 0.00% | new | NEW |
| Walleye Capital LLC | $14.0K | 107,629 | 0.00% | 6q | HELD |
| Taconic Capital Advisors LP | $13.0K | 100,000 | 0.00% | 8q | HELD |
| Telemetry Investments, L.L.C. | $13.0K | 99,002 | 0.02% | 4q | HELD |
| SkyView Investment Advisors, LLC | $12.0K | 91,124 | 0.00% | 2q | +4.6% |
| OMERS ADMINISTRATION Corp | $11.0K | 83,333 | 0.00% | 4q | HELD |
| Atalaya Capital Management LP | $11.0K | 83,333 | 0.00% | 7q | HELD |
| Parallax Volatility Advisers, L.P. | $10.0K | 73,086 | 0.00% | 2q | -68.7%-$21.9K |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | $9.0K | 61,813 | 0.00% | 7q | +23.6%+$1.7K |
| JPMORGAN CHASE & CO | $8.0K | 58,470 | 0.00% | 6q | +220.8%+$5.5K |
| Walleye Trading LLC | $8.0K | 60,345 | 0.00% | 5q | HELD |
| Yakira Capital Management, Inc. | $8.0K | 63,089 | 0.00% | 2q | HELD |
| COWEN AND COMPANY, LLC | $7.0K | 50,000 | 0.00% | 5q | -1.4% |
| Mint Tower Capital Management B.V. | $7.0K | 52,258 | 0.00% | new | NEW |
| Sagefield Capital LP | $6.0K | 42,500 | 0.00% | 3q | -5.6% |
| GABELLI & Co INVESTMENT ADVISERS, INC. | $5.0K | 35,400 | 0.00% | 8q | HELD |
| Bulldog Investors, LLP | $5.0K | 40,564 | 0.00% | 6q | -5.6% |
| Potrero Capital Research LLC | $5.0K | 42,010 | 0.00% | 6q | HELD |
| Wealthspring Capital LLC | $5.0K | 41,086 | 0.00% | new | NEW |
| GABELLI FUNDS LLC | $4.0K | 31,266 | 0.00% | 7q | HELD |
| PICTON MAHONEY ASSET MANAGEMENT | $4.0K | 33,333 | 0.00% | 5q | HELD |
| Alpine Global Management, LLC | $4.0K | 28,759 | 0.00% | new | NEW |
| Sage Mountain Advisors LLC | $4.0K | 33,822 | 0.00% | new | NEW |
| EQUITEC PROPRIETARY MARKETS, LLC | $3.0K | 20,000 | 0.00% | 5q | HELD |
| K.J. Harrison & Partners Inc | $3.0K | 26,118 | 0.00% | 4q | -15.9% |
| OLD MISSION CAPITAL LLC | $3.0K | 20,305 | 0.00% | 2q | +64.7%+$1.2K |
| Schechter Investment Advisors, LLC | $3.0K | 25,842 | 0.00% | new | NEW |
| STATE OF WISCONSIN INVESTMENT BOARD | $2.0K | 16,666 | 0.00% | 3q | HELD |
| Cheyne Capital Management (UK) LLP | $2.0K | 16,666 | 0.00% | 2q | HELD |
| HGC Investment Management Inc. | $2.0K | 2? | 0.00% | 8q | |
| DUPONT CAPITAL MANAGEMENT CORP | $1.0K | 8,333 | 0.00% | 8q | HELD |
| CAPTRUST FINANCIAL ADVISORS | $1.0K | 10,094 | 0.00% | 6q | -2.2% |
| UBS Group AG | $1.0K | 8,381 | 0.00% | 4q | -79.6%-$3.9K |