CITADEL ADVISORS LLC's ownership history for RGEN

CITADEL ADVISORS LLC currently holds 1.1M shares with a market value of $129.5M. It started holding RGEN on 2024-09-30. At its peak, it held 1.7M shares on 2025-09-30. Its highest holding value was $228.5M on 2025-12-31. At its lowest, it held 515.9K shares on 2024-09-30, with a value of $76.8M on 2024-09-30. In the recent 180 days, CITADEL ADVISORS LLC has decreased its shares by 585.5K. In the recent year, CITADEL ADVISORS LLC has decreased its shares by 230.6K.

It has also owned 396 contracts of calls, with the market value of the underlying securities totaling $4.7M on 2024-09-30. At its peak, it held 570 contracts of calls on 2024-09-30 and it owned calls with the market value of the underlying securities totaling $8.5M on 2024-09-30. At its lowest, it held 250 contracts of calls on 2025-03-31 and it owned calls with the market value of the underlying securities totaling $3.2M on 2025-03-31. In the recent 180 days, CITADEL ADVISORS LLC has increased its holdings by 45 contracts. In the recent year, CITADEL ADVISORS LLC has increased its holdings by 146 contracts.

It has also owned 227 contracts of puts, with the market value of the underlying securities totaling $2.7M on 2024-09-30. At its peak, it held 464 contracts of puts on 2025-06-30 and it owned puts with the market value of the underlying securities totaling $5.8M on 2025-06-30. At its lowest, it held 114 contracts of puts on 2025-12-31 and it owned puts with the market value of the underlying securities totaling $1.9M on 2025-12-31. In the recent 180 days, CITADEL ADVISORS LLC has decreased its holdings by 169 contracts. In the recent year, CITADEL ADVISORS LLC has increased its holdings by 1.1M contracts.