| # | % | |||||
|---|---|---|---|---|---|---|
| 1 | PEAK6 Group LLC | 661,400 | 9,366,000 | 61.38% | Call | |
| 2 | GROUP ONE TRADING LLC | 177,000 | 2,506,000 | 16.42% | Call | |
| 3 | CITADEL ADVISORS LLC | 172,800 | 2,447,000 | 16.04% | Call | |
| 4 | Virtu KCG Holdings LLC | 38,200 | 541,000 | 3.55% | Call | |
| 5 | Timber Hill LLC | 28,200 | 399,000 | 2.61% | Call |
From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.