| # | % | |||||
|---|---|---|---|---|---|---|
| 1 | PFM Health Sciences, LP | 212,000 | 27,677,000 | 64.20% | Call | |
| 2 | CITADEL ADVISORS LLC | 87,500 | 11,423,000 | 26.50% | Call | |
| 3 | GROUP ONE TRADING LLC | 26,200 | 3,420,000 | 7.93% | Call | |
| 4 | Partner Investment Management, L.P. | 4,300 | 561,000 | 1.30% | Call | |
| 5 | SIMPLEX TRADING, LLC | 54 | 32,000 | 0.07% | 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.