Walleye Trading LLC's ownership history for ISRG

Walleye Trading LLC currently holds 21.9K shares with a market value of $10.1M. It started holding ISRG on 2024-12-31. At its peak, it held 60.1K shares on 2025-12-31. Its highest holding value was $34.0M on 2025-12-31. At its lowest, it held 6.7K shares on 2025-03-31, with a value of $3.3M on 2025-03-31. In the recent 180 days, Walleye Trading LLC has decreased its shares by 8.6K. In the recent year, Walleye Trading LLC has increased its shares by 7.7K.

It has also owned 737 contracts of calls, with the market value of the underlying securities totaling $34.0M on 2024-12-31. At its peak, it held 737 contracts of calls on 2026-03-31 and it owned calls with the market value of the underlying securities totaling $34.0M on 2026-03-31. At its lowest, it held 313 contracts of calls on 2024-12-31 and it owned calls with the market value of the underlying securities totaling $14.8M on 2025-09-30. In the recent 180 days, Walleye Trading LLC has increased its holdings by 406 contracts. In the recent year, Walleye Trading LLC has increased its holdings by 268 contracts.

It has also owned 571 contracts of puts, with the market value of the underlying securities totaling $26.3M on 2024-12-31. At its peak, it held 1.3K contracts of puts on 2025-12-31 and it owned puts with the market value of the underlying securities totaling $72.8M on 2025-12-31. At its lowest, it held 411 contracts of puts on 2025-03-31 and it owned puts with the market value of the underlying securities totaling $20.4M on 2025-03-31. In the recent 180 days, Walleye Trading LLC has increased its holdings by 60 contracts. In the recent year, Walleye Trading LLC has increased its holdings by 21.5K contracts.