Walleye Trading LLC's ownership history for ZTS

Walleye Trading LLC currently holds 530.4K shares with a market value of $66.7M. It started holding ZTS on 2024-12-31. At its peak, it held 530.4K shares on 2025-12-31. Its highest holding value was $66.7M on 2025-12-31. At its lowest, it held 11.3K shares on 2025-06-30, with a value of $1.8M on 2025-06-30. In the recent 180 days, Walleye Trading LLC has increased its shares by 505.4K.

It has also owned 192 contracts of calls, with the market value of the underlying securities totaling $2.4M on 2024-12-31. At its peak, it held 415 contracts of calls on 2025-03-31 and it owned calls with the market value of the underlying securities totaling $6.8M on 2025-03-31. At its lowest, it held 153 contracts of calls on 2025-09-30 and it owned calls with the market value of the underlying securities totaling $2.2M on 2025-09-30. In the recent 180 days, Walleye Trading LLC has decreased its holdings by 120 contracts. In the recent year, Walleye Trading LLC has decreased its holdings by 33 contracts.

It has also owned 212 contracts of puts, with the market value of the underlying securities totaling $2.7M on 2024-12-31. At its peak, it held 512 contracts of puts on 2025-03-31 and it owned puts with the market value of the underlying securities totaling $8.4M on 2025-03-31. At its lowest, it held 187 contracts of puts on 2025-09-30 and it owned puts with the market value of the underlying securities totaling $2.7M on 2025-12-31. In the recent 180 days, Walleye Trading LLC has decreased its holdings by 225 contracts. In the recent year, Walleye Trading LLC has increased its holdings by 530.0K contracts.