| # | % | |||||
|---|---|---|---|---|---|---|
| 1 | PEAK6 Group LLC | 368,400 | 27,424,000 | 74.74% | Call | |
| 2 | CITADEL ADVISORS LLC | 65,600 | 4,883,000 | 13.31% | Call | |
| 3 | Timber Hill LLC | 41,800 | 3,112,000 | 8.48% | Call | |
| 4 | Virtu KCG Holdings LLC | 17,100 | 1,273,000 | 3.47% | 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.
