| 1 | NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | 237,906 | $29.9M | 0.02% | Share |
| 2 | TORONTO DOMINION BANK | 3,577,200 | $23.0M | 0.03% | Call |
| 3 | GROUP ONE TRADING LLC | 1,383,700 | $9.2M | 0.02% | Call |
| 4 | VANGUARD GROUP INC | 903,233 | $6.0M | 0.00% | Share |
| 5 | SIMPLEX TRADING, LLC | 842,900 | $5.0M | 0.00% | Call |
| 6 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 801,600 | $5.0M | 0.00% | Call |
| 7 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 828,200 | $5.0M | 0.00% | Put |
| 8 | TORONTO DOMINION BANK | 483,100 | $3.0M | 0.00% | Call |
| 9 | Invesco Ltd. | 340,479 | $2.3M | 0.00% | Share |
| 10 | BlackRock, Inc. | 383,456 | $2.0M | 0.00% | Share |
| 11 | MILLENNIUM MANAGEMENT LLC | 362,839 | $2.0M | 0.00% | Share |
| 12 | IMC-Chicago, LLC | 263,600 | $1.8M | 0.00% | Call |
| 13 | GROUP ONE TRADING LLC | 156,800 | $1.0M | 0.00% | Put |
| 14 | GOLDMAN SACHS GROUP INC | 179,686 | $1.0M | 0.00% | Share |
| 15 | CITADEL ADVISORS LLC | 221,960 | $1.0M | 0.00% | Put |
| 16 | MARSHALL WACE, LLP | 158,719 | $1.0M | 0.00% | Share |
| 17 | CITIGROUP INC | 183,370 | $1.0M | 0.00% | Call |
| 18 | MORGAN STANLEY | 173,848 | $1.0M | 0.00% | Share |
| 19 | NOMURA HOLDINGS INC | 225,790 | $1.0M | 0.00% | Call |
| 20 | GEODE CAPITAL MANAGEMENT, LLC | 206,052 | $1.0M | 0.00% | Share |
| 21 | SIMPLEX TRADING, LLC | 298,000 | $1.0M | 0.00% | Put |
| 22 | VANGUARD GROUP INC | 133,780 | $888K | 0.00% | Share |
| 23 | Crawford Fund Management, LLC | 115,500 | $766K | 0.10% | Put |
| 24 | UBS Group AG | 100,024 | $664K | 0.00% | Share |
| 25 | Crawford Fund Management, LLC | 68,500 | $454K | 0.06% | Put |
| 26 | Sullivan Wood Capital Management LLC | 66,500 | $441K | 0.67% | Share |
| 27 | IMC-Chicago, LLC | 64,300 | $426K | 0.00% | Put |
| 28 | Alamea Verwaltungs GmbH | 36,116 | $394K | 0.27% | Share |
| 29 | UBS Group AG | 29,781 | $197K | 0.00% | Share |
| 30 | TD Capital Management LLC | 25 | $166K | 0.00% | Share |
| 31 | Swiss Life Asset Management Ltd | 19,081 | $126K | 0.00% | Share |
| 32 | HSBC HOLDINGS PLC | 10,868 | $72K | 0.00% | Share |
| 33 | Pilgrim Partners Asia Pte Ltd | 8,600 | $57K | 0.03% | Share |
| 34 | VANGUARD GROUP INC | 6,915 | $45K | 0.00% | Share |
| 35 | Anchor Investment Management, LLC | 5 | $33K | 0.00% | Share |
| 36 | Firsthand Capital Management, Inc. | 3,000 | $19K | 0.04% | Share |
| 37 | Sanctuary Advisors, LLC | 33,020 | $19K | 0.00% | Share |
| 38 | Sanctuary Advisors, LLC | 27,026 | $19K | 0.00% | Share |
| 39 | Sanctuary Advisors, LLC | 33,020 | $19K | 0.00% | Share |
| 40 | UBS Group AG | 2,766 | $18K | 0.00% | Share |
| 41 | UBS Group AG | 2,713 | $18K | 0.00% | Share |
| 42 | Center for Financial Planning, Inc. | 2,000 | $13K | 0.00% | Share |
| 43 | SBI Securities Co., Ltd. | 1,271 | $8K | 0.00% | Share |
| 44 | Pine Valley Investments Ltd Liability Co | 9,050 | $6K | 0.00% | Share |
| 45 | Leonteq Securities AG | 465 | $5K | 0.00% | Share |
| 46 | Pine Valley Investments Ltd Liability Co | 9,050 | $5K | 0.00% | Share |
| 47 | TD Waterhouse Canada Inc. | 582 | $3K | 0.00% | Share |
| 48 | Golden State Wealth Management, LLC | 460 | $3K | 0.00% | Share |
| 49 | Capital Analysts, LLC | 264 | $2K | 0.00% | Share |
| 50 | Capital Analysts, LLC | 321 | $2K | 0.00% | Share |