Walleye Trading LLC's ownership history for GRMN

Walleye Trading LLC currently holds 11.5K shares with a market value of $2.3M. It started holding GRMN on 2025-12-31. At its peak, it held 11.5K shares on 2025-12-31. Its highest holding value was $2.3M on 2025-12-31. At its lowest, it held 11.5K shares on 2025-12-31, with a value of $2.3M on 2025-12-31.

It has also owned 21 contracts of calls, with the market value of the underlying securities totaling $426.0K on 2024-12-31. At its peak, it held 505 contracts of calls on 2025-03-31 and it owned calls with the market value of the underlying securities totaling $11.0M on 2025-03-31. At its lowest, it held 21 contracts of calls on 2025-12-31 and it owned calls with the market value of the underlying securities totaling $426.0K on 2025-12-31. In the recent 180 days, Walleye Trading LLC has decreased its holdings by 222 contracts. In the recent year, Walleye Trading LLC has decreased its holdings by 477 contracts.

It has also owned 163 contracts of puts, with the market value of the underlying securities totaling $3.3M on 2024-12-31. At its peak, it held 163 contracts of puts on 2025-12-31 and it owned puts with the market value of the underlying securities totaling $3.7M on 2025-09-30. At its lowest, it held 55 contracts of puts on 2024-12-31 and it owned puts with the market value of the underlying securities totaling $1.1M on 2024-12-31. In the recent 180 days, Walleye Trading LLC has increased its holdings by 76 contracts. In the recent year, Walleye Trading LLC has increased its holdings by 11.4K contracts.