| # | % | |||||
|---|---|---|---|---|---|---|
| 1 | GROUP ONE TRADING LLC | 1,621,558 | 5,627,000 | 98.12% | ||
| 2 | SIMPLEX TRADING, LLC | 31,101 | 108,000 | 1.88% |
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.
