| # | % | |||||
|---|---|---|---|---|---|---|
| 1 | GROUP ONE TRADING LLC | 81,420 | 507,000 | 83.94% | ||
| 2 | SIMPLEX TRADING, LLC | 15,560 | 97,000 | 16.06% |
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.
