CITADEL ADVISORS LLC's ownership history for ISRG

CITADEL ADVISORS LLC currently holds 1.4M shares with a market value of $625.1M. It started holding ISRG on 2024-09-30. At its peak, it held 1.4M shares on 2026-03-31. Its highest holding value was $625.1M on 2026-03-31. At its lowest, it held 339.2K shares on 2025-06-30, with a value of $181.5M on 2025-03-31. In the recent 180 days, CITADEL ADVISORS LLC has increased its shares by 526.4K. In the recent year, CITADEL ADVISORS LLC has increased its shares by 989.5K.

It has also owned 5.9K contracts of calls, with the market value of the underlying securities totaling $270.0M on 2024-09-30. At its peak, it held 5.9K contracts of calls on 2026-03-31 and it owned calls with the market value of the underlying securities totaling $307.0M on 2025-12-31. At its lowest, it held 3.4K contracts of calls on 2025-09-30 and it owned calls with the market value of the underlying securities totaling $154.2M on 2025-09-30. In the recent 180 days, CITADEL ADVISORS LLC has increased its holdings by 2.4K contracts. In the recent year, CITADEL ADVISORS LLC has increased its holdings by 725 contracts.

It has also owned 3.0K contracts of puts, with the market value of the underlying securities totaling $137.1M on 2024-09-30. At its peak, it held 4.7K contracts of puts on 2025-12-31 and it owned puts with the market value of the underlying securities totaling $264.0M on 2025-12-31. At its lowest, it held 2.5K contracts of puts on 2025-06-30 and it owned puts with the market value of the underlying securities totaling $133.5M on 2025-06-30. In the recent 180 days, CITADEL ADVISORS LLC has decreased its holdings by 366 contracts. In the recent year, CITADEL ADVISORS LLC has increased its holdings by 1.4M contracts.