| # | % | |||||
|---|---|---|---|---|---|---|
| 1 | GROUP ONE TRADING LLC | 82,300 | 1,155,000 | 50.95% | Call | |
| 2 | Iguana Healthcare Management, LLC | 65,000 | 912,000 | 40.23% | Call | |
| 3 | CITADEL ADVISORS LLC | 9,300 | 130,000 | 5.73% | Call | |
| 4 | SIMPLEX TRADING, LLC | 82 | 70,000 | 3.09% | 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.
