| # | % | |||||
|---|---|---|---|---|---|---|
| 1 | GROUP ONE TRADING LLC | 2,872,200 | 20,019,000 | 92.03% | Call | |
| 2 | Marathon Trading Investment Management LLC | 149,900 | 1,041,000 | 4.79% | Call | |
| 3 | PEAK6 Group LLC | 99,400 | 693,000 | 3.19% | 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.